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Articoli di riviste sul tema "Ultrasound Navigation"

Autore: Grafiati

Pubblicato: 12 aprile 2025

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1

Paczesny, Łukasz, Matthias Lorkowski, Tomasz Pielak, Rafał Wójcicki, Gazi Huri e Jan Zabrzyński. "The Role of Ultrasound Guidance in Mini-Invasive Musculoskeletal Surgery—A Pictorial Essay". Applied Sciences 13, n. 19 (30 settembre 2023): 10900. http://dx.doi.org/10.3390/app131910900.

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In this article, the authors review the role of ultrasound guidance in MSK mini-invasive surgery. Ultrasound imaging has become an important tool in the field of musculoskeletal examination and has advantages over the X-ray guidance traditionally used by orthopaedic surgeons. Ultrasound provides the 3D localization of the area where the instruments are being used, does not require X-ray’s certified personnel, and poses less of a health risk to the patient and the medical staff. This article explores the development and application of ultrasound navigation in mini-invasive surgery, including the use of ultrasound during different stages of arthroscopic procedures or for the entire operation. Ultrasounds can assist in setting access points around the joint, localize the pathology and assure its complete resection, identify vessels and nerves, establish access to and constant control of difficult operating areas with a high potential for neurovascular complications. In this paper, the authors also acknowledge that there are some disadvantages, including the need for additional equipment and personnel, a long learning curve, and the potential elongation of the procedure. To identify all of the essential studies that report relevant information and data concerning the ultrasounds navigation in mini-invasive MSK surgery, an extensive search of the major and significant electronic databases was performed by two authors. An investigation was conducted in January 2023 using the following key terms: ultrasounds navigation, ultrasounds in arthroscopy, ultrasounds in MSK, with no limits regarding the year of publication. The authors focused both on the advantages and disadvantages of ultrasound navigation in MSK mini-invasive surgery, and also on particular techniques in mini-invasive and arthroscopic surgeries. The described techniques are the application of ultrasound in arthroscopy (knee, hip, and shoulder), hallux rigidus surgery, mini-invasive Achilles tendon surgery, gastrocnemius recession, carpal tunnel release, and hematoma evacuation.

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Onogi, Shinya, Kohji Masuda e Makoto Hashizume. "Freehand 3D Ultrasound Technique for Ultrasound Navigation". Journal of Japan Society of Computer Aided Surgery 21, n. 2 (2019): 75–80. http://dx.doi.org/10.5759/jscas.21.75.

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Bopp, Miriam, Benjamin Saß, Mirza Pojskic, Alexander Grote e Christopher Nimsky. "Intraoperative navigated ultrasound in posterior fossa surgery". Current Directions in Biomedical Engineering 10, n. 2 (14 settembre 2024): 115–17. http://dx.doi.org/10.1515/cdbme-2024-1081.

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Abstract High navigation accuracy is a prerequisite for tailored and safe tumor resections. However, in posterior fossa surgery, especially in the semi-sitting position, navigation is often considered to be non-useful due to limited accuracy caused by gravitational effects and brain-shift. To enable navigation in these surgical approaches intraoperative evaluation of accuracy and navigation update strategies are required. Navigated intraoperative ultrasound (iUS) might serve as valuable tool to quantify navigation accuracy and even update navigation to gain higher accuracy. Data of 23 patients (28 lesions) undergoing navigation supported surgery in the posterior fossa with application of navigated iUS including acquisition of a 3D iUS data set were evaluated retrospectively based on intraoperative ratings on accuracy and tumor segmentation based on preoperative magnetic resonance imaging (MRI) and iUS data. In nine cases (eleven lesions) navigation was rated “insufficient” leading to a navigation update by manually outlining the tumor volumes within the iUS data set, whereas in all other cases navigation accuracy was rated “sufficient” with no need for further updates. Tumor volume was comparable between MRIand iUS-based segmentation. IUS was successfully applied in navigation-supported surgery in the posterior fossa in the semisitting position enabling continuous navigation-support throughout surgery by evaluation of navigation accuracy and navigation updates, supporting safe maximum tumor resection.

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Marinho, Alexandre M. N., Manali Barua, John Haller e Timothy C. Ryken. "Enhanced Anatomic Visualization with Ultrasound-Assisted Intracranial Image-Guidance in Neurosurgery". Technology in Cancer Research & Treatment 1, n. 3 (giugno 2002): 181–85. http://dx.doi.org/10.1177/153303460200100303.

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Anatomical comparisons between ultrasound images and magnetic resonance imaging (MRI)/computed tomography (CT) preoperative images were performed in four ultrasound-assisted image-guided intracranial surgeries. An ultrasound scanner connected to a surgical navigation system allowed the neurosurgeon to acquire useful views from that integration, offering an improved method for visualization. This surgical navigation device and associated ultrasound provides real-time brain shift correction. The accuracy of navigation depends on the identification of the anatomic structures. Despite some limitations of the ultrasound images, the ability to compare preoperative MRI and intraoperative ultrasound proved useful to the surgeon.

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Snyder, Laura A., Cameron G. McDougall, Robert F. Spetzler e Joseph M. Zabramski. "Neck Tumor Dissection Improved With 3-Dimensional Ultrasound Image Guidance: Technical Case Report". Operative Neurosurgery 10, n. 1 (1 marzo 2014): E183—E189. http://dx.doi.org/10.1227/neu.0000000000000248.

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Abstract BACKGROUND AND IMPORTANCE: Three-dimensional ultrasound navigation has been performed to assist in resection of cranial and spinal tumors, but to the best of our knowledge, no one has described the use of real-time 3-dimensional ultrasound navigation in the resection of neck tumors beyond biopsy. CLINICAL PRESENTATION: This case report describes the use of 3-dimensional ultrasonic navigation in assisting with resection of a large neck paraganglioma. The 3-dimensional ultrasonic navigation improved real-time visualization of the carotid arteries, the trachea, and other vital structures. CONCLUSION: The use of 3-dimensional ultrasound navigation should be considered in aiding resection of large neck tumors because it can allow more efficient and safer tumor resection.

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Kim, Deborah. "Fusion Navigation". Canadian Journal of Medical Sonography 9, n. 3 (1 dicembre 2018): 26–37. http://dx.doi.org/10.3138/cjms.v9i3.26.

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Multimodality image registration and fusion plays a vital role in clinical practice for routine diagnosis, follow up, and treatment. The acceptance that one imaging modality will complement another is further indicated through the uptake of dual modality imaging technologies. This article will discuss fusion imaging within the context of ultrasound while covering some clinical and technical considerations, and case examples.

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Tirakotai, Wuttipong, Dorothea Miller, Stefan Heinze, Ludwig Benes, Helmut Bertalanffy e Ulrich Sure. "A Novel Platform for Image-guided Ultrasound". Neurosurgery 58, n. 4 (1 aprile 2006): 710–18. http://dx.doi.org/10.1227/01.neu.0000204454.52414.7a.

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Abstract OBJECTIVE: The combination of classic neuronavigation and intraoperative ultrasound is a recent innovation in image guidance technology. However, this technique requires two hardware components (neuronavigation and an ultrasound system). It was the aim of the study to describe a new simplified technology of a so-called one-platform navigation system developed by our institution in collaboration with the industry and to demonstrate its range of various applications. METHODS: An ultrasound device (IGSonic; BrainLAB, Munich, Germany) is integrated into the VectorVision2 navigation system (BrainLAB, Munich, Germany). The IGSonic Probe 10V5 is connected to the VectorVision Navigation station via an IGSonic Device Box. Once the ultrasound probe is calibrated, the navigated ultrasound displays the sonographic image of the intracranial anatomy on the navigation screen in a composed overlay fashion. It might depict vascular structures within the ultrasound plane by a duplex mode. Ultrasound can also be operated independently from navigation. RESULTS: The VectorVision2 system combines intraoperative ultrasound data sets with preoperatively acquired neuronavigation data sets in plug and play fashion. The system provides a cost-effective intraoperative imaging modality that offers a good anatomic orientation by various composite images, including the display of the amount of brain shift. In our institution, the comprehensible interface led to a routine use of the technology by several neurosurgeons who had not been familiar with the ultrasound technology before. CONCLUSION: The integration of an ultrasound device into an existing navigation system has been successfully developed. The system offers a friendly user interface and cost-effective intraoperative imaging feedback. Although brain shift can be visualized by an image overlay technology as demonstrated by the present system, future developments should aim at fusion techniques of both intra- and preoperative image data sets.

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Katirji, Linda, e Angelo Cruz. "The Utility of a Hospital System-Specific Emergency Medicine Residency Orientation". Prehospital and Disaster Medicine 38, S1 (maggio 2023): s126—s127. http://dx.doi.org/10.1017/s1049023x23003345.

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Introduction:The transition to residency is a challenging time in the medical trainee’s career. In addition to learning and implementing knowledge specific to emergency medicine, logistics and system nuances can initially impede a learner’s ability to begin the process of mastering their profession. In an attempt to ameliorate this transition to residency an orientation was created to introduce concepts of local ultrasound documentation, resuscitation protocols, EMR navigation, and procedural kits.Method:Interns were given a pre-workshop survey on comfort level (1-5 Likert) of ultrasound documentation, resuscitation protocols, EMR navigation, and procedural kits. They rotated through four workshop stations in small groups. The first was an ultrasound workshop showcasing our commonly used ultrasound and how we capture images and videos into our medical system for review. The next was institution specific protocols for medical and trauma resuscitation using simulation. Third was a workshop on how to navigate our electronic medical record with simple overviews of documentation and order entry. Lastly, they went through arterial and central line kits to familiarize themselves with the contents. A post-workshop survey was given.Results:Comfort with ultrasound documentation pre-workshop mean was 4.0 with a post-workshop mean of 4.45 (p=0.068). Comfort with resuscitation pre-workshop mean of 2.91 increased to 3.91 (p=0.008). Electronic medical record documentation comfort rose from a mean of 3.5 to 4.27 (p=0.007). Comfort navigating procedural kits increased to a mean of 4.09 from 3 (p=0.002).Conclusion:There was a statistically significant increase in comfort level with ultrasound documentation, resuscitation protocols, EMR navigation, and procedural kits after completion of the workshops. Only ultrasound documentation had a p value less than 0.05. It can be reasonably deduced that focusing on institutionally specific aspects of workflow can help interns expedite their education by familiarizing them with these nuances prior to their first shift.

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Koryachkin, V. A. "Peripheral nerve blocks and ultrasound navigation". Regional Anesthesia and Acute Pain Management 14, n. 1 (17 settembre 2020): 4–5. http://dx.doi.org/10.17816/1993-6508-2020-14-1-4-5.

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The use of ultrasound in anesthetic practice has contributed to the creation of new techniques for blocking peripheral nerves (PEC I, PEC II, TAP-block, QL-block, IPACK). At the same time, the creation of new blocks with ultrasound navigation deepens the gap between more experienced anesthesiologists and their younger colleagues who prefer to avoid the use of regional anesthesia. A way out of this situation seems to us to create and introduce into practice a list of basic methods of regional anesthesia, which can provide anesthesia during the most frequently performed surgical interventions. We believe that there is every reason to change the paradigm many blockades for the elite to several blockades for all.

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Zhang, Wei. "Navigation among multiple breast ultrasound volumes". Journal of the Acoustical Society of America 128, n. 5 (2010): 3278. http://dx.doi.org/10.1121/1.3525355.

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Demin, DB B., YuYu Yu Solodov, AV V. Laykov, MS S. Funigin e NS S. Gusev. "MINILAPAROTOMIC ACCESS UNDER INTRAOPERATIVE ULTRASOUND NAVIGATION. EXPERIENCE IN THE DEVELOPMENT AND APPLICATION". Science and Innovations in Medicine 1, n. 1 (15 marzo 2016): 67–71. http://dx.doi.org/10.35693/2500-1388-2016-0-1-67-71.

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Aim - to evaluate the effectiveness of minilaparotomic access under intraoperative ultrasound navigation in the surgical treatment of liquid formations in the abdominal cavity and retroperitoneal space in comparison with the puncture-draining interventions under ultrasound guidance. Material and methods. The analysis covered the treatment of 77 patients with interventions for liquid formations of the abdominal cavity and retroperitoneal space using minimally invasive ultrasound-controlled technologies. Among them, 33 patients underwent puncture-draining interventions under ultrasound navigation (I group). Group II consisted of 44 patients with minilaparotomic surgery under intraoperative ultrasound guidance. Results. It is shown that minilaparotomic access under intraoperative ultrasound navigation allows performing one-step sanitation and drainage of abdominal structures of the abdominal cavity and retroperitoneal space, containing in the lumen not only liquid, but also dense necrotic tissues. Conclusion. The process is technically feasible in any surgical hospital, economically relevant, since it does not require the purchase of additional equipment. Application of this method can significantly reduce postoperative mortality.

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Shimansky, V. N., V. K. Poshataev, G. A. Denisova, S. V. Tanyashin, G. L. Kobyakov, K. V. Shevchenko e V. V. Karnaukhov. "Contrast-enchanced ultrasound navigation in glioma surgery". Russian journal of neurosurgery 25, n. 2 (10 luglio 2023): 20–27. http://dx.doi.org/10.17650/1683-3295-2023-25-2-20-27.

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Introduction. In the surgery of gliomas, various techniques are currently being applied that allow the maximum resection of the tumor while maintaining a good or satisfactory functional status of the patients. A rare method is intraoperative contrast‑enhanced ultrasound imaging (CEUI) of the brain substance.Aim. To present the first experience of using contrast‑enhanced ultrasound imaging CEUI in surgery of brain tumors (large hemispheres and cerebellum), as well as an assessment of the prospects of the technique in routine use in a neurosurgical hospital.Materials and methods. The features of the application of the technique CEUI, its advantages over routine ultrasound studies and the limitations identified during testing of the technique in 5 patients with various brain tumors.Results. In some cases, the CEUI allows for the intraoperative detection of a tumor, which is similar in sensitivity to magnetic resonance imaging. This greatly facilitates both the search for the neoplasm, and the formation of the optimal trajectory of surgery. In the case of benign brain tumors, ultrasound contrasting of the tumor is not always observed, but it often helps to determine the boards of the tumor with greater accuracy than the routine ultrasound search.Conclusion. The use of CEUI in the surgery of brain tumors seems to be a promising direction. A pilot study has confirmed its effectiveness, but more cases are needed to fully study the problem.

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Elangovan, Hariprashanth, Wei Yao e Kypros Nicolaides. "A Multimodality Navigation System for Endoscopic Fetal Surgery: A Phantom Case Study for Congenital Diaphragmatic Hernia". Surgical Innovation 26, n. 1 (28 novembre 2018): 27–36. http://dx.doi.org/10.1177/1553350618813244.

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This article presents a multi-modality tracking and navigation system achieved by merging optical tracking and ultrasound imaging into a novel navigation software to help in surgical pre-planning and real-time target setting and guidance. Fetal surgeries require extensive experience in coordination of hand-eye-ultrasound-surgical equipment, knowledge, and precise assessment of relative anatomy. While there are navigation systems available for similar constrained working spaces in arthroscopic and cardiovascular procedures, fetal minimally invasive surgery does not yet have a dedicated navigation platform capable of supporting robotic instruments that can be adapted to the set of unique procedures. This article discusses the testing of the novel multi-modality navigation system in a phantom environment developed for this purpose. The outcomes suggest that the subjects demonstrated an increase in average reaching accuracy by about 60% and an overall reduction in time taken by 33.6%. They also showed higher levels of confidence in reaching the targets, which was visualised from the pattern of trajectory of movements during the procedure. To evaluate the navigation system, a phantom surgical environment was found necessary. Therefore, the article also discusses the details of the development of a fetal phantom environment for congenital diaphragmatic hernia for surgical testing, evaluation, and training. A surgical procedure was conducted on the phantom using the proposed tracking navigation system and using only ultrasound.

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Поддубный, А. А., e Л. А. Семичковский. "Vacuum Assisted Breast Biopsy under Ultrasound Navigation". Евразийский онкологический журнал, n. 3-4 (13 gennaio 2022): 250–55. http://dx.doi.org/10.34883/pi.2021.9.3.017.

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В статье представлены исторический литературный обзор и алгоритм использования метода вакуумной биопсии молочной железы, а также личный опыт авторов. The article presents a historical literary review and an algorithm of practical application of the vacuum assisted breast biopsy, as well as the personal experience of the authors.

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Ungi, T., P. Abolmaesumi, R. Jalal, M. Welch, I. Ayukawa, S. Nagpal, A. Lasso et al. "Spinal Needle Navigation by Tracked Ultrasound Snapshots". IEEE Transactions on Biomedical Engineering 59, n. 10 (ottobre 2012): 2766–72. http://dx.doi.org/10.1109/tbme.2012.2209881.

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Kildahl-Andersen, Arne, Erlend Fagertun Hofstad, Ole-Vegard Solberg, Hanne Sorger, Tore Amundsen, Thomas Langø e Håkon Olav Leira. "Navigated ultrasound bronchoscopy with integrated positron emission tomography—A human feasibility study". PLOS ONE 19, n. 8 (30 agosto 2024): e0305785. http://dx.doi.org/10.1371/journal.pone.0305785.

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Background and objective Patients suspected to have lung cancer, undergo endobronchial ultrasound bronchoscopy (EBUS) for the purpose of diagnosis and staging. For presumptive curable patients, the EBUS bronchoscopy is planned based on images and data from computed tomography (CT) images and positron emission tomography (PET). Our study aimed to evaluate the feasibility of a multimodal electromagnetic navigation platform for EBUS bronchoscopy, integrating ultrasound and segmented CT, and PET scan imaging data. Methods The proof-of-concept study included patients with suspected lung cancer and pathological mediastinal/hilar lymph nodes identified on both CT and PET scans. Images obtained from these two modalities were segmented to delineate target lymph nodes and then incorporated into the CustusX navigation platform. The EBUS bronchoscope was equipped with a sensor, calibrated, and affixed to a 3D printed click-on device positioned at the bronchoscope’s tip. Navigation accuracy was measured postoperatively using ultrasound recordings. Results The study enrolled three patients, all presenting with suspected mediastinal lymph node metastasis (N1-3). All PET-positive lymph nodes were displayed in the navigation platform during the EBUS procedures. In total, five distinct lymph nodes were sampled, yielding malignant cells from three nodes and lymphocytes from the remaining two. The median accuracy of the navigation system was 7.7 mm. Conclusion Our study introduces a feasible multimodal electromagnetic navigation platform that combines intraoperative ultrasound with preoperative segmented CT and PET imaging data for EBUS lymph node staging examinations. This innovative approach holds promise for enhancing the accuracy and effectiveness of EBUS procedures.

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Schorn, Lara, Christoph Sproll, Rita Depprich, Norbert R. Kübler, Majeed Rana, Daman D. Singh e Julian Lommen. "Navigated Recovery of Fractured Dental Injection Needles: Case Report and Suggestions for Management during Pandemic Crises". Case Reports in Dentistry 2021 (16 gennaio 2021): 1–6. http://dx.doi.org/10.1155/2021/8820381.

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Dislocation of a fractured hypodermic needle is a complication requiring immediate and adequate emergency treatment. In this case report, 3D navigation is evaluated for its use to recover a quickly moving fractured needle. The needle was recovered safely, but it could be demonstrated that navigational planning has to be conducted right before surgery and other navigational tools, such as ultrasound, should be considered as well. Furthermore, an approach is suggested for treatment during pandemic crises such as COVID-19.

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Xu, Tian, Hong Er Tian, Chi Min Zhang, Hui Ming Shen, Yi Xin Sun e Jian Fu. "Design of a Three-Axis Digital Output Gyroscope-Based Intelligent Ultrasonic Diagnostic Navigation System". Advanced Materials Research 634-638 (gennaio 2013): 3844–48. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.3844.

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In this work we reported a design and principle of a three-axis digital output gyroscope-based intelligent ultrasonic diagnostic navigation system. The proposed system provided a real-time intelligent navigation for ultrasound scanning and clinical puncture by transmitting and recording the positional relationship of ultrasound probe and corresponding body structure in real time through network. This system could provide technical support for remote ultrasonic medical consultation.

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Gallo, Christopher, Pezhman Foroughi, Elisabeth Meagher, Ranjith Vellody, Bhupender Yadav, Anthony Ho, Alican Demir, Dorothee Heisenberg, Kevin Cleary e Karun Sharma. "Computer-assisted needle navigation for pediatric internal jugular central venous cannulation: A feasibility study". Journal of Vascular Access 21, n. 6 (27 aprile 2020): 931–37. http://dx.doi.org/10.1177/1129729820915035.

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Introduction: Vascular access for central venous catheter placement is technically challenging in children. Ultrasound guidance is recommended for pediatric central venous catheter placement, yet many practitioners rely on imprecise anatomic landmark techniques risking procedure failure due to difficulty mastering ultrasound guidance. A novel navigation system provides a visual overlay on real-time ultrasound images to depict needle trajectory and tip location during cannulation. We report the first pediatric study assessing feasibility and preliminary safety of using a computer-assisted needle navigation system to aid in central venous access. Methods: A prospective, institutional review board–approved feasibility study was performed. All participants provided written informed consent. Ten patients (mean age: 11.4 years, five males) underwent central venous catheter placement with ultrasound and navigation system guidance. All procedures were performed by interventional radiologists expert in vascular access. Feasibility was measured through binary (yes/no) responses from participating users assessing device usability and feasibility. The number of needle passes and procedure time measures were also recorded. Results: Internal jugular veins (seven right sided, three left sided) were cannulated in all patients with no complications. Users confirmed navigation system feasibility in all 10 participants. Mean vein diameter and depth was 13.3 × 9.8 ± 3.4 × 2.1 and 7.0 ± 1.7 mm, respectively. Successful cannulation occurred in all patients and required only a single needle pass in 9 of 10 patients. Mean device set-up and vascular access times were 5:31 ± 2:28 and 1:48 ± 2:35 min, respectively. Conclusion: This pilot study suggests that it is feasible to use a novel computer-assisted needle navigation system to safely obtain central venous access under ultrasound guidance in pediatric patients.

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Belohlavek, Marek, Panupong Jiamsripong, Eileen M. McMahon, Theresa R. Lombari e Lilach O. Lerman. "Ultrasound-Guided Placement of a Renal Artery Stent Using an Intracardiac Probe for Transvascular Imaging". Open Cardiovascular Medicine Journal 5, n. 1 (3 novembre 2011): 215–17. http://dx.doi.org/10.2174/1874192401105010215.

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In this set of images obtained during an experimental study using a porcine animal model, we introduce ultrasound guidance of percutaneous transluminal renal angioplasty and renal stenting. A state-of-the-art intracardiac ultrasound catheter is used here for transvascular scanning from within the lumen of the abdominal aorta, thus providing a field of view for navigation of a balloon catheter and a wire coil (“stent”) into each renal artery of a pig. This study is intended as a contribution to the growing field of minimally invasive interventions and their navigation by non-ionizing ultrasound imaging.

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Knyazeva, L. A., N. Damjanov, L. I. Knyazeva, E. M. Khardikova, N. S. Meshcherina, M. A. Stepchenko e I. I. Goryainov. "Anatomical and ultrasound navigation of intra joint injections". Almanac of Clinical Medicine 47, n. 5 (13 novembre 2019): 454–60. http://dx.doi.org/10.18786/2072-0505-2019-47-051.

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Optimization of joint syndrome treatment methods, including those based on the intra- and periarticular drug administration and invasive diagnostic techniques, remains high on the agenda of modern clinical rheumatology. The implementation and quite widely spread use of ultrasonographic visualization has been an impetus to the development of this type of treatment for joint diseases. Without any doubt, the quality of intraarticular injection performance mainly depends on the professional level of the specialist and his/hers procedural skills. However, here comes a predictable question: are these conditions sufficient to enable maximal precision, safety, and efficacy of intraarticular interventions? From this perspective, it is interesting to study the possibilities to improve the results of local treatments for the joint syndrome by means of the ultrasound navigation technique. Based on data presented in the literature review, we compared a “blind” invasive treatment method to the ultrasound navigation-guided intra- and periarticular interventions in patients with skeletomuscular and connective tissue disorders. The authors of the studies published point to higher safety, efficacy, procedure precision, and diagnostic quality of the information obtained by the ultrasound navigation. Its important advantages include wider possibilities and availability of this method in outpatient settings, due to its rather low costs and patients' safety. The information from the current literature review reflects an initial stage of studies on the evaluation of the role, significance, determination of potential of the ultrasound navigation to enhance the quality of diagnosis and invasive treatment in patients with joint syndromes of various origins and to minimize adverse effects.

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Vafek, Václav, Tamara Skříšovská, Martina Kosinová, Eva Klabusayová, Tereza Musilová, Tereza Kramplová, Jana Djakow, Jozef Klučka, Jiří Kalina e Petr Štourač. "Central Venous Catheter Cannulation in Pediatric Anesthesia and Intensive Care: A Prospective Observational Trial". Children 9, n. 11 (23 ottobre 2022): 1611. http://dx.doi.org/10.3390/children9111611.

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Currently, ultrasound-guided central venous catheter (CVC) insertion is recommended in pediatric patients. However, the clinical practice may vary. The primary aim of this study was the overall success rate and the first attempt success rate in ultrasound-guided CVC insertion versus anatomic-based CVC insertion in pediatric patients. The secondary aim was the incidence of associated complications and the procedural time. The physician could freely choose the cannulation method and venous approach. Data were collected for 10 months. Overall, 179 patients were assessed for eligibility and 107 patients were included. In almost half of the patients (48.6%), the percutaneous puncture was performed by real-time ultrasound navigation. In 51.4% of the patients, the puncture was performed by the landmark method. The overall success rate was 100% (n = 52) in the real-time ultrasound navigation group, 96.4% (n = 53) in the landmark insertion group, (p = 0.496). The first percutaneous puncture success rate was 57.7% (n = 30) in the real-time ultrasound navigation group and 45.5% (n = 25) in the landmark insertion group, (p = 0.460). The data show a higher overall success rate and the first success rate in the US-guided CVC insertion group, but the difference was not statistically significant.

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Yang, Zi Jian, e Cong Sun. "Design and Research of Quadcopter Navigator". Applied Mechanics and Materials 635-637 (settembre 2014): 1220–23. http://dx.doi.org/10.4028/www.scientific.net/amm.635-637.1220.

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This paper studies the autonomous navigation equipment of Quadcopter. SINS/GPS integrated navigation technology, ultrasonic ranging and barometric altimeter is used in the autonomous navigation system. Navigation board includes measuring height subsystem and measurement position subsystem. The former includes an inertial navigation module and GPS module using the Kalman filter for data fusion, which gets a more accurate and stable location information. Quadcopter height measurement subsystem, using ultrasound and barometers. Complementary filter for effective data fusion, is used to ensure the reliability of height measurement.

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Uetake, Chizu, Akihiro Nakamoto, Toshikuni Suda e Masaya Tamano. "Abdominal ultrasound examination training using an ultrasound phantom and volume navigation system". Journal of Medical Ultrasonics 43, n. 3 (26 febbraio 2016): 381–86. http://dx.doi.org/10.1007/s10396-016-0706-0.

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Belousova, E. I., N. V. Matinyan, A. A. Tsintsadze, D. A. Kuznetsov, E. A. Kovaleva, T. L. Ushakova, T. R. Panferova e V. G. Polyakov. "Ultrasound navigation during blockade in children with retinoblastoma with enucleation of the eyeball". Russian Journal of Pediatric Hematology and Oncology 9, n. 4 (1 febbraio 2023): 37–43. http://dx.doi.org/10.21682/2311-1267-2022-9-4-37-43.

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Introduction. Regional blockades in children in ophthalmology operations are used not only for analgesia in the intra- and postoperative period, but also for the prevention of oculocardial reflex (OCR), postoperative nausea and vomiting (PONV). But there is still no convincing data on the advantages of the methods of retrobulbar blockade (RBB) performed under ultrasound guidance and parabulbar blockade (PBB) performed under ultrasound guidance. Aim. In the present study, we investigated the efficacy and safety of RBB under ultrasound guidance with ropivacaine 0.5 % for the prevention of OCR and postoperative pain, as well as PONV when detected with PBB of ropivacaine 0.5 % under ultrasound guidance upon detection of enucleation of the eyeball. Materials and methods. A prospective randomized arterial study was performed for the period 2016–2022. The study included 110 patients with established inclusion criteria. The patients were divided into two groups: 55 patients who performed a RBB + ultrasound and 55 patients who performed a PBB + ultrasound. Evaluated: the likelihood of the introduction of opioid analgesics, the quality of anesthesia, the duration of the block and the likelihood of complications. Results. There was a decrease in intraoperative diseases in the RBB + ultrasound group, where the average dose of fentanyl was increased by 4.1 ± 1.4 μg/kg, and in the PBB + ultrasound group it was 9.7 ± 1.8 μg/kg (p < 0.05 ). The time to the first frequency of the analgesic in the postoperative period was 6.7 ± 1.8 hours in the PBB + ultrasound group, and 11.7 ± 3.3 hours in the RBB + ultrasound group (p < 0.05). Conclusions. There was a significant difference in analgesic efficacy between RBB + ultrasound and PBB + ultrasound. It was revealed that RBB + ultrasound reduces intraoperative opioid requirements, stable intraoperative hemodynamics and longer postoperative analgesia. Therefore, the use of RBB + ultrasound for enucleation of the eyeball in children with retinoblastoma is the preferred technique.

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Chen, Lixiu, Bin Xia, Bing Yan, Jianhua Liu, Zhaohua Miao, Yan Ma, Jinchen Wang, Hu Peng, Tao He e Zhengbao Zha. "Ultrasound lighting up AIEgens for potential surgical navigation". Journal of Materials Chemistry B 9, n. 15 (2021): 3317–25. http://dx.doi.org/10.1039/d0tb02832k.

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AIEgen-grafted polymer (AIE-Gd) has been synthesized and developed into MBs for in situ lighting up the fluorescence of AIEgens in tumor and capable for enhanced US imaging, MRI and fluorescence imaging (FI) for potential surgical navigation.

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Wang, Kuan-Ju, Chieh-Hsiao Chen, Chun-Yi Lo, Hung-Hsin Lin e Jia-Jin Jason Chen. "Ultrasound Calibration for Dual-Armed Surgical Navigation System". Journal of Healthcare Engineering 2022 (16 febbraio 2022): 1–10. http://dx.doi.org/10.1155/2022/3362495.

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Ultrasound (US) imaging system is widely used in robotic systems for precision positioning in clinical applications. The US calibration is critical to minimize the difference of spatial coordinates between instruments, for minimally invasive surgery (MIS) in navigation systems. In this study, we propose a dual robotic arm system that combines US imaging with one arm for path planning and monitoring and accurate positioning with the other arm for instrument placement via the preplanning procedures. A phantom with N-wire and N-wedge was designed for US calibration. The US calibration showed a mean error of 0.76 mm; the mean dual-arm calibration error is 0.31 mm. The positioning error of the system was verified with a mean error of 1.48 mm. In addition, we used two abdominal phantoms with computed tomography scan validation, with an averaged position error of 1.867 ± 0.436 mm and an orientation error of 2.190 ± 0.764°. The proposed system is aimed to perform clinical operations, such as abdominal MIS, with real-time image monitoring of the organ tissues and instrument positions, which meet the requirements for medical application.

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Michal, Filip, Petr Linzer e Patrik Jurek. "The Utilisation of Ultrasound for Navigation in Neurosurgery". Česká a slovenská neurologie a neurochirurgie 80/113, n. 6 (29 novembre 2017): 627–37. http://dx.doi.org/10.14735/amcsnn2017627.

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Thorsmark Høj, Anders, Chiara Villa, Ole M. Christensen, Søren Torp-Pedersen, Søren Overgaard e Lars H. Frich. "Validation of Navigation Ultrasound for Clavicular Length Measurement". Ultrasound in Medicine & Biology 43, n. 8 (agosto 2017): 1722–28. http://dx.doi.org/10.1016/j.ultrasmedbio.2017.04.005.

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Xu, H. X., M. D. Lu, L. N. Liu e L. H. Guo. "Magnetic navigation in ultrasound-guided interventional radiology procedures". Clinical Radiology 67, n. 5 (maggio 2012): 447–54. http://dx.doi.org/10.1016/j.crad.2011.10.015.

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31

Zvyagintsev, V. V., V. P. Gorpinyuk, G. V. Fomov e A. S. Mukhin. "Initial intraoperative ultrasound navigation experience during laparoscopic operations". Endoskopicheskaya khirurgiya 25, n. 3 (2019): 5. http://dx.doi.org/10.17116/endoskop2019250315.

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Lakhin, Roman E., A. S. Kusai, E. A. Usoltsev, K. A. Tsygankov e V. V. Shustrov. "Catheterization of the internal jugular vein and subclavian/axillary vein under ultrasound control in the wounded with hemorrhagic shock due to combat trauma: a retrospective cohort study". Annals of Critical Care, n. 1 (27 gennaio 2024): 113–23. http://dx.doi.org/10.21320/1818-474x-2024-1-113-123.

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INTRODUCTION: Catheterization of central veins using ultrasound navigation increases the rate of successful catheterizations and reduces the number of complications. The use of ultrasound navigation can improve the efficiency and safety of catheterization in conditions where central vein puncture is difficult. OBJECTIVE: Comparison of the readiness of the internal jugular vein and the subclavian vein/axillary vein for puncture, the effectiveness and safety of their catheterization using ultrasound navigation in patients with hemorrhagic shock. MATERIALS AND METHODS: A retrospective study of the medical data of 146 victims who required puncture and catheterization of vessels under the control of ultrasound navigation was performed. In all victims, using ultrasound, the readiness of the vessels for puncture was visually assessed by the compression and collapse of the vein at the moment of slight superficial pressure with the sensor. RESULTS: Assessment of the vessel's readiness for catheterization showed that, at all degrees of shock, the readiness of the subclavian vein/axillary vein for catheterization was higher than that of the internal jugular vein. Analysis of all central venous catheterizations performed showed that they were completed on the first attempt, but during the attempt it was necessary to redirect, sometimes tighten and advance the needle again. The data obtained showed statistical differences in patients with II and III degrees of shock (p = 0.001). CONCLUSIONS: Against the background of infusion therapy through a peripheral venous catheter for all degrees of shock, readiness for puncture and catheterization of the subclavian vein/axillary vein was higher compared to the internal jugular vein. Such tactics for shocks of degree II and III result in fewer needle passes.

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Krasnick, Bradley Aaron, David Sindram, Kerri Simo, Ryan Goss, Jeetendra Bharadwaj, Kreg Howk, Katherine A. Herdina e Chet W. Hammill. "Tumor Ablation Using 3-Dimensional Electromagnetic-Guided Ultrasound Versus Standard Ultrasound in a Porcine Model". Surgical Innovation 26, n. 4 (29 gennaio 2019): 420–26. http://dx.doi.org/10.1177/1553350619825717.

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Introduction. The objective of this study was to compare the placement of ablation needles using 3-dimensional electromagnetic-guided ultrasound (guided) to standard ultrasound guidance (standard) in both laparoscopic surgery and open surgery. Endpoints for this study included targeting accuracy and number of required needle withdrawals and reorientations. Methods. Using a porcine model, fiducial markers were placed into the kidney and liver to represent tumors. Navigation and identification of target sites was achieved using standard or guided ultrasound. Intraprocedural observations as well as the number of needle placement attempts per target were recorded. Three board-certified general surgeons performed the navigation and ablation procedures. After completion of the navigation and ablation procedures, necropsy was performed. The position of the ablation zones relative to the fiducial markers was recorded. Results. A total of 48 procedures were performed across 6 animals (50% open and 50% laparoscopic). Overall, the guided ablations required 50% fewer attempts to successfully target the marker ( P = .01). There was a 62% reduction of attempts for guided laparoscopic ablation ( P = .006). On subgroup analysis of laparoscopic ablation, the benefit remained for liver ( P = .041) ablations, but not for renal ablations ( P = .093). There was no significant difference between the groups with regard to targeting accuracy (91.3% guided vs 95.4% standard, P = .58). Conclusions. The number of targeting attempts required during laparoscopic ablation procedures was significantly less with guided than with standard ultrasound, particularly for laparoscopic ablation of liver lesions. These findings suggest that the guided ultrasound can potentially reduce complications during laparoscopic ablation procedures.

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Bopp, Miriam H. A., Alexander Grote, Marko Gjorgjevski, Mirza Pojskic, Benjamin Saß e Christopher Nimsky. "Enabling Navigation and Augmented Reality in the Sitting Position in Posterior Fossa Surgery Using Intraoperative Ultrasound". Cancers 16, n. 11 (23 maggio 2024): 1985. http://dx.doi.org/10.3390/cancers16111985.

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Despite its broad use in cranial and spinal surgery, navigation support and microscope-based augmented reality (AR) have not yet found their way into posterior fossa surgery in the sitting position. While this position offers surgical benefits, navigation accuracy and thereof the use of navigation itself seems limited. Intraoperative ultrasound (iUS) can be applied at any time during surgery, delivering real-time images that can be used for accuracy verification and navigation updates. Within this study, its applicability in the sitting position was assessed. Data from 15 patients with lesions within the posterior fossa who underwent magnetic resonance imaging (MRI)-based navigation-supported surgery in the sitting position were retrospectively analyzed using the standard reference array and new rigid image-based MRI-iUS co-registration. The navigation accuracy was evaluated based on the spatial overlap of the outlined lesions and the distance between the corresponding landmarks in both data sets, respectively. Image-based co-registration significantly improved (p < 0.001) the spatial overlap of the outlined lesion (0.42 ± 0.30 vs. 0.65 ± 0.23) and significantly reduced (p < 0.001) the distance between the corresponding landmarks (8.69 ± 6.23 mm vs. 3.19 ± 2.73 mm), allowing for the sufficient use of navigation and AR support. Navigated iUS can therefore serve as an easy-to-use tool to enable navigation support for posterior fossa surgery in the sitting position.

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Devald, Inessa V. "Therapy of degenerative changes in the ankle joint with US-guided linear hyaluronic acid injections. A review". Terapevticheskii arkhiv 95, n. 12 (31 gennaio 2024): 1192–96. http://dx.doi.org/10.26442/00403660.2023.12.202493.

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The article discusses the issue and our own experience of local therapy for osteoarthritis of the ankle joint with injections of linear hyaluronic acid under ultrasound navigation. Since the ankle joint is difficult in terms of surgical treatment in general and endoprosthetics in particular, a course of intra-articular injection of 1% Flexotron® Forte hyaluronate, especially in the early stages of dystrophic changes in cartilage, is a promising method for relieving pain, chondroprotection and preserving the biomechanics of the joint, and ultrasound navigation when performing manipulation, it ensures the most accurate introduction of the drug into the joint cavity.

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Koriachkin, V. A., D. V. Zabolotskii, D. V. Gribanov e T. A. Antoshkova. "Obturator nerve block". Regional Anesthesia and Acute Pain Management 14, n. 3 (7 gennaio 2021): 130–40. http://dx.doi.org/10.17816/1993-6508-2020-14-3-130-140.

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One of the forgotten techniques of regional anesthesia is blockade of the obturator nerve, which was performed using anatomical landmarks and neurostimulation. In recent years, ultrasonic navigation methods have gained wide popularity when using regional blockades. The purpose of the review is to present the current understanding of the use of obturator nerve block in clinical practice. The review presents the anatomical features of the obturator nerve passage, surgical and therapeutic indications for the use of its blockade. The technique for performing obturator blockade using ultrasound navigation is described in detail. Blockade of the obturator nerve using ultrasound navigation can reduce the likelihood of surgical complications during transurethral resection of a tumor located on the lateral wall of the bladder, improve analgesia after hip and knee surgery, and effectively relieve spastic conditions of the adductor muscles of the hip.

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Yusufov, A. A., G. N. Rumyantseva, A. Yu Gorshkov, A. N. Kazakov, D. G. Galakhova e V. N. Kartashev. "Minimally Invasive Treatment of Abdominal Abscesses in Children Using Ultrasound Navigation". Radiology - Practice, n. 5 (21 settembre 2023): 45–59. http://dx.doi.org/10.52560/2713-0118-2023-5-45-59.

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The article provides a brief review of the literature on the diagnosis and management tactics of children with abdominal abscesses. A study of the literature has shown that open methods of treating abdominal abscesses are still the most common in children’s practice, although puncturedrainage techniques have obvious advantages. This publication presents an analysis of the results of five years of experience in the treatment of children with abdominal abscesses using minimally invasive technologies. A unique clinical case of multiple abdominal abscesses in a 10-year-old child undergoing outpatient treatment for gastroduodenitis without an effect is described in detail. During hospitalization, an ultrasound examination (ultrasound) was performed, multiple abscesses of the abdominal cavity of various localization and sizes were found. The method of percutaneous minimally invasive surgical intervention under ultrasound control was chosen as the treatment tactic. The above observation shows the wide possibilities of ultrasound in the diagnosis and treatment of abdominal abscesses in children.

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Girard, Gabriel, Stéphane Côté, Sisi Zlatanova, Yannick Barette, Johanne St-Pierre e Peter Van Oosterom. "Indoor Pedestrian Navigation Using Foot-Mounted IMU and Portable Ultrasound Range Sensors". Sensors 11, n. 8 (2 agosto 2011): 7606–24. http://dx.doi.org/10.3390/s110807606.

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Many solutions have been proposed for indoor pedestrian navigation. Some rely on pre-installed sensor networks, which offer good accuracy but are limited to areas that have been prepared for that purpose, thus requiring an expensive and possibly time-consuming process. Such methods are therefore inappropriate for navigation in emergency situations since the power supply may be disturbed. Other types of solutions track the user without requiring a prepared environment. However, they may have low accuracy. Offline tracking has been proposed to increase accuracy, however this prevents users from knowing their position in real time. This paper describes a real time indoor navigation system that does not require prepared building environments and provides tracking accuracy superior to previously described tracking methods. The system uses a combination of four techniques: foot-mounted IMU (Inertial Motion Unit), ultrasonic ranging, particle filtering and model-based navigation. The very purpose of the project is to combine these four well-known techniques in a novel way to provide better indoor tracking results for pedestrians.

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Kleemann, Markus, Steffen Deichmann, Hamed Esnaashari, Armin Besirevic, Osama Shahin, Hans-Peter Bruch e Tilman Laubert. "Laparoscopic Navigated Liver Resection: Technical Aspects and Clinical Practice in Benign Liver Tumors". Case Reports in Surgery 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/265918.

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Laparoscopic liver resection has been performed mostly in centers with an extended expertise in both hepatobiliary and laparoscopic surgery and only in highly selected patients. In order to overcome the obstacles of this technique through improved intraoperative visualization we developed a laparoscopic navigation system (LapAssistent) to register pre-operatively reconstructed three-dimensional CT or MRI scans within the intra-operative field. After experimental development of the navigation system, we commenced with the clinical use of navigation-assisted laparoscopic liver surgery in January 2010. In this paper we report the technical aspects of the navigation system and the clinical use in one patient with a large benign adenoma. Preoperative planning data were calculated by Fraunhofer MeVis Bremen, Germany. After calibration of the system including camera, laparoscopic instruments, and the intraoperative ultrasound scanner we registered the surface of the liver. Applying the navigated ultrasound the preoperatively planned resection plane was then overlain with the patient's liver. The laparoscopic navigation system could be used under sterile conditions and it was possible to register and visualize the preoperatively planned resection plane. These first results now have to be validated and certified in a larger patient collective. A nationwide prospective multicenter study (ProNavic I) has been conducted and launched.

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Petsiuk e Pearce. "Low-Cost Open Source Ultrasound-Sensing Based Navigational Support for the Visually Impaired". Sensors 19, n. 17 (31 agosto 2019): 3783. http://dx.doi.org/10.3390/s19173783.

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Nineteen million Americans have significant vision loss. Over 70% of these are not employed full-time, and more than a quarter live below the poverty line. Globally, there are 36 million blind people, but less than half use white canes or more costly commercial sensory substitutions. The quality of life for visually impaired people is hampered by the resultant lack of independence. To help alleviate these challenges this study reports on the development of a low-cost, open-source ultrasound-based navigational support system in the form of a wearable bracelet to allow people with the lost vision to navigate, orient themselves in their surroundings and avoid obstacles when moving. The system can be largely made with digitally distributed manufacturing using low-cost 3-D printing/milling. It conveys point-distance information by utilizing the natural active sensing approach and modulates measurements into haptic feedback with various vibration patterns within the four-meter range. It does not require complex calibrations and training, consists of the small number of available and inexpensive components, and can be used as an independent addition to traditional tools. Sighted blindfolded participants successfully demonstrated the device for nine primary everyday navigation and guidance tasks including indoor and outdoor navigation and avoiding collisions with other pedestrians.

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Andronnikov, Evgenii A., Valentina N. Diomidova, Rodion N. Drandrov e Nikolai S. Nikolaev. "ULTRASOUND DIAGNOSIS OF SUBACROMIAL FIBROSIS IN PATIENTS WITH ROTATOR CUFF IMPINGEMENT SYNDROME". Acta medica Eurasica, n. 1 (30 marzo 2023): 11–18. http://dx.doi.org/10.47026/2413-4864-2023-1-11-18.

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Rotator cuff impingement syndrome (SURM) of the shoulder is considered one of the most common causes of pain in the shoulder joint in people of working age, mostly males. Due to the absence of characteristic signs of this pathology of the shoulder joint at the initial stage of the disease, fibrotic changes in the subacromial space (FI SAP) are detected late. The aim of the study was to evaluate the effectiveness of ultrasound navigation in the diagnosis and verification of fibrous changes in the subacromial space in patients with rotator cuff entrapment syndrome. Materials and methods. An analysis was made of 86 patients with cuff impingement syndrome, in whom fibrotic changes in the subacromial space are was initially detected according to ultrasound data. In group N1 (n1 = 42), the study data were analyzed without a minimally invasive intra-articular treatment procedure at the stage of conservative treatment, and in group N2 (n2 = 44) – with ultrasonic navigation of the subacromial space during a minimally invasive intra-articular treatment procedure. The comparison group (N3; n3 = 25) represented individuals without shoulder joint pathology. All patients underwent an ultrasound examination of the shoulder joint (Philips Sparq ultrasound scanner, linear high-density multifrequency transducer 5–13 MHz). Verification of the results of ultrasound of the shoulder joint is confirmed by the data of other methods of radiation imaging. Results. Ultrasound examination of the shoulder joint using dynamic functional tests before the start of therapeutic manipulations in patients with fibrotic changes in the subacromial space (in groups N1 and N2) visualization of the thickening of the supraspinatus tendon in combination with a decrease in the thickness of the subacromial space correlated with limitation of movement of the upper limb in the shoulder joint (p < 0,001). Comparative results in the study groups showed that the use of ultrasound diagnostics and navigation technologies during a minimally invasive intra-articular treatment procedure for fibrotic changes in the subacromial space provides an improvement in clinical manifestations. Conclusions. The possibility of ultrasonic visualization of the supacromial space in normal conditions without pathological changes in the shoulder joint and with fibrous changes in the subacromial space allows us to recommend the proposed method of ultrasound examination of the shoulder joint to be included in the treatment and diagnostic algorithm for the syndrome of incarceration of the rotator cuff of the shoulder. Ultrasound navigation as an effective method for diagnosing and verifying subacromial fibrosis in patients with rotator cuff entrapment syndrome.

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SEO, Yasutsugu, Nobuyuki IWAMA, Hironobu HONGO, Yoichi OGASAWARA, Yasuo MIYAJIMA e Hitoshi YAMAGATA. "Fundamental Study of Navigation System for Intravascular Ultrasound Probe". Choonpa Igaku 33, n. 1 (2006): 53–64. http://dx.doi.org/10.3179/jjmu.33.53.

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Sebastian, Maciej, e Jerzy Rudnicki. "Laparoscopic Ultrasound and Safe Navigation Around the Shrunken Gallbladder". Journal of Laparoendoscopic & Advanced Surgical Techniques 31, n. 4 (1 aprile 2021): 390–94. http://dx.doi.org/10.1089/lap.2020.1001.

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NAUMOVA, N. V., E. A. BOLDOVSKAYA, V. V. MAKUKHINA e V. A. KRUTOVA. "INTRAOPERATIVE ULTRASOUND NAVIGATION IN SURGICAL TREATMENT OF UTERINE MYOMAS". Kubanskij nauchnyj medicinskij vestnik 25, n. 1 (21 febbraio 2018): 30–33. http://dx.doi.org/10.25207/1608-6228-2018-25-1-30-33.

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Amin, Devin V., Takeo Kanade, Anthony M. Digioia e Branislav Jaramaz. "Ultrasound Registration of the Bone Surface for Surgical Navigation". Computer Aided Surgery 8, n. 1 (gennaio 2003): 1–16. http://dx.doi.org/10.3109/10929080309146097.

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Rafii-Tari, Hedyeh, Victoria A. Lessoway, Allaudin A. Kamani, Purang Abolmaesumi e Robert Rohling. "Panorama Ultrasound for Navigation and Guidance of Epidural Anesthesia". Ultrasound in Medicine & Biology 41, n. 8 (agosto 2015): 2220–31. http://dx.doi.org/10.1016/j.ultrasmedbio.2015.03.012.

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Sakuma, Ichiro, Yasuyoshi Tanaka, Yuichi Takai, Etsuko Kobayashi, Takeyoshi Dohi, Oliver Schorr, Nobuhiko Hata et al. "Three-dimensional digital ultrasound imaging system for surgical navigation". International Congress Series 1230 (giugno 2001): 117–22. http://dx.doi.org/10.1016/s0531-5131(01)00027-9.

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Herth, Felix J. F., e Armin Ernst. "Innovative bronchoscopic diagnostic techniques: endobronchial ultrasound and electromagnetic navigation". Current Opinion in Pulmonary Medicine 11, n. 4 (luglio 2005): 278–81. http://dx.doi.org/10.1097/01.mcp.0000166492.69788.e3.

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Chenna, Praveen, e Alexander Chen. "Radial Probe Endobronchial Ultrasound and Novel Navigation Biopsy Techniques". Seminars in Respiratory and Critical Care Medicine 35, n. 06 (2 dicembre 2014): 645–54. http://dx.doi.org/10.1055/s-0034-1395499.

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Bonsanto, M. M., R. Metzner, A. Aschoff, V. Tronnier, S. Kunze e C. R. Wirtz. "3D ultrasound navigation in syrinx surgery ? a feasibility study". Acta Neurochirurgica 147, n. 5 (4 aprile 2005): 533–41. http://dx.doi.org/10.1007/s00701-005-0505-7.

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