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Artículos de revistas sobre el tema "Interventional guidance"

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Autor: Grafiati

Publicado: 29 de junio de 2022

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1

Allen, David W., Paul S. Brady y Terence A. S. Matalon. "Ultrasound Guidance in Interventional Radiology". Contemporary Diagnostic Radiology 29, n.º 3 (enero de 2006): 1–5. http://dx.doi.org/10.1097/00219246-200601310-00001.

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&NA;. "Ultrasound Guidance in Interventional Radiology". Contemporary Diagnostic Radiology 29, n.º 3 (enero de 2006): 6. http://dx.doi.org/10.1097/00219246-200601310-00002.

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Matalon, T. A. y B. Silver. "US guidance of interventional procedures." Radiology 174, n.º 1 (enero de 1990): 43–47. http://dx.doi.org/10.1148/radiology.174.1.2403684.

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4

Yeung, Eugene Y., Wendy Thurston, Mark J. Quigley y Chia-Sing Ho. "US Guidance of Interventional Procedures". Radiology 176, n.º 1 (julio de 1990): 289–90. http://dx.doi.org/10.1148/radiology.176.1.289-b.

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5

Aljediea, I., M. Alshehri, K. Alenazi, A. Memesh y M. Fleet. "Experience of Radiology Technologists Performing Peripherally Inserted Central Catheters (PICC)". Arab Journal of Interventional Radiology 05, n.º 02 (julio de 2021): 088–92. http://dx.doi.org/10.1055/s-0041-1739303.

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Abstract Purpose We conducted this study to review our local experience of performing peripherally inserted central catheters by interventional radiology technologists. Materials and Methods This is a retrospective study of peripherally inserted central catheters performed by interventional radiology technologists. These procedures were performed using ultrasound guidance for venous puncture and fluoroscopy or electrocardiography guidance followed by chest X-ray to confirm tip location. Results We reviewed all peripherally inserted central catheters performed in interventional radiology between May 2017 and July 2020. The review process included the success rate, number of venous puncture attempts, method of guidance, procedure time, fluoroscopy time, catheter duration to removal, and complications. Conclusion Interventional radiology technologists can perform peripherally inserted central catheters safely with high success rate. Extending interventional radiology technologists' role to perform peripherally inserted central catheters allow interventional radiologists to do more complex procedures. This enhances the workflow, increases the interventional radiology team efficiency, and improves the waiting time.

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Powell, Michael F. "C-arm Fluoroscopic Cone Beam CT for Guidance of Minimally Invasive Spine Interventions". Pain Physician 1;13, n.º 1;1 (14 de enero de 2010): 51–59. http://dx.doi.org/10.36076/ppj.2010/13/51.

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Background: Isocentric C-arm fluoroscopic cone beam CT (CBCT) is a new technique for near real time 3-D volume imaging guidance of percutaneous interventional procedures. In combination with digital flat panel detectors, CBCT has high spatial resolution with isotropic voxel size, allowing for high resolution image reconstruction in any plane, including 3D rotational reconstructions. CBCT combines the advantages of conventional CT imaging guidance with the improved spatial resolution, patient positioning, and access of fluoroscopy. Objective: The aim of this study is to demonstrate the advantages of CBCT over conventional CT and biplane fluoroscopy for imaging guidance of minimally invasive spinal and paraspinal interventional procedures. Methods: Five patients referred to the department of interventional neuroradiology for percutaneous spinal or paraspinal interventional procedures were intraoperatively evaluated with CBCT to assist in guidance of instrumentation placement. Procedures included transoral cervical vertebral biopsy, percutaneous thoracic vertebral biopsy, vertebroplasty, pelvic paraspinal/epidural abscess drainage, and paraspinal fiducial marker placement for treatment of osteoid osteoma. Results: All procedures were successfully performed with satisfactory diagnostic yield or therapeutic effect without procedure-related complications. Conclusion: Isocentric C-arm fluoroscopic cone beam CT (CBCT) is a new technique for 3D volume imaging guidance of interventional procedures of the spine with the capability to produce near real time high resolution image reconstructions in any plane. Compared to conventional CT and biplane fluoroscopy, CBCT offers improved anatomic visualization allowing high accuracy instrumentation placement, improving procedure results and minimizing risk of complications. Key words: Vertebroplasty, kyphoplasty, biopsy, computed tomography, CT, fluoroscopy, Carm, percutaneous, interventional radiology, imaging guidance

7

Linden, Belinda. "Interventional guidance for treating resistant hypertension". British Journal of Cardiac Nursing 8, n.º 7 (julio de 2013): 311–12. http://dx.doi.org/10.12968/bjca.2013.8.7.311.

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Timpone, Dr Vincent. "Computed Tomography Guidance for Spinal Intervention: Basics of Technique, Pearls, and Avoiding Pitfalls". Pain Physician 4;16, n.º 4;7 (14 de julio de 2013): 369–77. http://dx.doi.org/10.36076/ppj.2013/16/369.

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The utilization of spinal interventional pain techniques has grown rapidly over the last decade. However, practitioners use widely different techniques in these procedures, particularly in the use of image guidance. The importance of image guidance was highlighted by the fact that in recent systematic reviews on therapeutic effectiveness of epidural steroid injections and facet joint interventions, only studies that used image guidance were included. The choice of image guidance remains a matter of physician preference with conventional fluoroscopic or Computed Tomography (CT) guidance most common. There are many advantages to CT guidance for certain spinal interventional pain procedures, mainly due to increased needle tip positioning accuracy. CT guidance provides greater anatomical detail that facilitates accurate needle trajectory planning, monitoring and final placement. Unlike conventional fluoroscopy that may be hindered by tissue overlap and lack of surrounding anatomical detail CT guidance offers direct visualization of the entire needle trajectory and the surrounding soft tissue and bone structures. Large osteophytes and adjacent vascular structures can be identified and safely avoided. The goals of this narrative review are to provide a basic overview of CT techniques available for spinal interventional pain procedures, to discuss the potential advantages and disadvantages of CT guidance, to provide a simple step-by-step approach to use of CT guidance, to share technical pearls, and to discuss methods to avoid potential pitfalls. This review will provide interventional pain physicians with knowledge of relevant CT image acquisition techniques and appropriate radiation dose reduction strategies. This will contribute to increased technical success rates while reducing radiation dose to the patient and staff. Key words: Computed tomography, fluoroscopy, analgesia, epidural injection, spinal injection, back pain, safety

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Blanco Sequeiros, R., R. Ojala, J. Kariniemi, J. Perälä, J. Niinimäki, H. Reinikainen y O. Tervonen. "MR-guided interventional procedures: a review". Acta Radiologica 46, n.º 6 (octubre de 2005): 576–86. http://dx.doi.org/10.1080/02841850510021742.

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Magnetic resonance imaging (MRI) has emerged as a potential guidance tool for a variety of procedures. Diagnostic and therapeutic procedures using either open surgical or percutaneous access are performed. They span from simple lesion targeting and biopsy to complex applications requiring multiple tasks performed simultaneously or in rapid succession. These tasks include instrument guidance and therapy monitoring as well as procedural follow-up. The interventional use of MRI (IMRI) is increasing steadily. This article reviews the prerequisites, systems, and clinical interventional procedures of IMRI.

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Harvey, Hugh y Luke Oakden-Rayner. "Guidance for Interventional Trials Involving Artificial Intelligence". Radiology: Artificial Intelligence 2, n.º 6 (1 de noviembre de 2020): e200228. http://dx.doi.org/10.1148/ryai.2020200228.

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Kessner, Rivka, Dean A. Nakamoto, Victor Kondray, Sasan Partovi, Yasmine Ahmed y Nami Azar. "Contrast-Enhanced Ultrasound Guidance for Interventional Procedures". Journal of Ultrasound in Medicine 38, n.º 10 (4 de febrero de 2019): 2541–57. http://dx.doi.org/10.1002/jum.14955.

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12

Tong, Alan D., Abraham Rothman, Daniel G. Blanchard, William Hellenbrand y David J. Sahn. "Interventional cardiac catheterization under transesophageal echocardiographic guidance". American Heart Journal 129, n.º 4 (abril de 1995): 827–31. http://dx.doi.org/10.1016/0002-8703(95)90338-0.

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13

Kewlani, Laveena, Alfredo Illanes, Björn Menze y Michael Friebe. "Integration of Acoustic Emission and Ultrasound for Needle Guidance in Interventional Procedures". International Journal of Biomedical and Clinical Engineering 9, n.º 2 (julio de 2020): 45–55. http://dx.doi.org/10.4018/ijbce.2020070104.

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Challenges like interrupted visualization and artifacts are common during interventional surgery while guiding medical interventional devices (MIDs) such as needles, catheters, etc. This proclaims the need of efficient accessories for improving simultaneous targeting and visualization of MIDs during interventional surgeries. Diagnostic devices are often used, but only visual perception is not enough due to image-related shortcomings. This article proposes a novel approach that reads audio signals via microphone attached to the proximal end of a biopsy needle to support verification and tracking during a surgery. A needle tracking algorithm was also integrated for visual support of intervention. The algorithm acquires the audio signal due to tissue-needle interaction and simultaneously detects the needle in the ultrasound frames using progressive regional properties. The proposed combination has ability to solve problems related to MID localization during interventional procedures, where it is crucial to maintain information flow for verification and target location.

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KACHURA, JOHN R. "THE ROLE OF INTERVENTIONAL RADIOLOGY IN OBSTETRICS". Fetal and Maternal Medicine Review 15, n.º 2 (mayo de 2004): 145–80. http://dx.doi.org/10.1017/s0965539504001251.

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Vascular and Interventional Radiology, more succinctly known as Interventional Radiology (IR), is the subspecialty of Medical Imaging or Radiology that deals with diagnosis and treatment using minimally invasive procedures under imaging guidance. Initially, fluoroscopy was the only imaging modality available, but ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) are also currently being used for guidance. One of the basic skills used by interventional radiologists is the Seldinger technique: the introduction of a needle into a body cavity or lumen allowing passage of a wire guide, which in turn facilitates the insertion of a tube or catheter. Many IR procedures have supplanted more invasive surgical techniques, with the resultant benefits of lower morbidity and mortality, shorter hospital stays and recovery times, and lower costs. Traditionally, obstetricians and interventional radiologists seldom interacted with one another, but their collaboration in patient care and research is increasing as obstetricians realise the value of IR, and as the myriad techniques and tools in the interventionalist's armamentarium expand and evolve.

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Racadio, John M., Drazenko Babic, Robert Homan, John W. Rampton, Manish N. Patel, Judy M. Racadio y Neil D. Johnson. "Live 3D Guidance in the Interventional Radiology Suite". American Journal of Roentgenology 189, n.º 6 (diciembre de 2007): W357—W364. http://dx.doi.org/10.2214/ajr.07.2469.

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16

Kane, David y Juhani Koski. "Musculoskeletal interventional procedures: With or without imaging guidance?" Best Practice & Research Clinical Rheumatology 30, n.º 4 (agosto de 2016): 736–50. http://dx.doi.org/10.1016/j.berh.2016.09.012.

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17

Sheth, Rahul A., Pedram Heidari, Shadi A. Esfahani, Bradford J. Wood y Umar Mahmood. "Interventional Optical Molecular Imaging Guidance during Percutaneous Biopsy". Radiology 271, n.º 3 (junio de 2014): 770–77. http://dx.doi.org/10.1148/radiol.14131880.

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Guttman, Michael A., Robert J. Lederman, Jonathan M. Sorger y Elliot R. McVeigh. "Real-Time Volume Rendered MRI for Interventional Guidance". Journal of Cardiovascular Magnetic Resonance 4, n.º 4 (2 de diciembre de 2002): 431–42. http://dx.doi.org/10.1081/jcmr-120016382.

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19

Kastler, B. y B. Fergane. "Interventional Procedures under CT Guidance in Pain Management". Interventional Neuroradiology 9, n.º 2_suppl (octubre de 2003): 67–73. http://dx.doi.org/10.1177/15910199030090s210.

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20

Loghin, Catalin y Andrei Loghin. "Interventional imaging – a modern Telemacheia". Romanian Journal of Cardiology 30, n.º 3 (1 de octubre de 2020): 365–81. http://dx.doi.org/10.47803/rjc.2020.30.3.365.

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Interventional imaging is maturing into a complex field, which addresses an extremely diverse pathology and integrates the findings of multimodality imaging. The interventional imager is an essential member of a multidisciplinary team focused on the transcatheter treatment of structural heart disease. Advanced echocardiography and cardiac computed tomography techniques and interpretation skills are required in order to provide instrumental information in all stages of patient care, from diagnosis through intraprocedural guidance and follow-up.

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Gharibo, Christopher. "Triaging Interventional Pain Procedures During COVID-19 or Related Elective Surgery Restrictions: Evidence-Informed Guidance from the American Society of Interventional Pain Physicians (ASIPP)". Pain Physician 4S;23, n.º 8;4S (14 de agosto de 2020): E183—S204. http://dx.doi.org/10.36076/ppj.2020/23/s183.

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Background: The COVID-19 pandemic has worsened the pain and suffering of chronic pain patients due to stoppage of “elective” interventional pain management and office visits across the United States. The reopening of America and restarting of interventional techniques and elective surgical procedures has started. Unfortunately, with resurgence in some states, restrictions are once again being imposed. In addition, even during the Phase II and III of reopening, chronic pain patients and interventional pain physicians have faced difficulties because of the priority selection of elective surgical procedures. Chronic pain patients require high intensity care, specifically during a pandemic such as COVID-19. Consequently, it has become necessary to provide guidance for triaging interventional pain procedures, or related elective surgery restrictions during a pandemic. Objectives: The aim of these guidelines is to provide education and guidance for physicians, healthcare administrators, the public and patients during the COVID-19 pandemic. Our goal is to restore the opportunity to receive appropriate care for our patients who may benefit from interventional techniques. Methods: The American Society of Interventional Pain Physicians (ASIPP) has created the COVID-19 Task Force in order to provide guidance for triaging interventional pain procedures or related elective surgery restrictions to provide appropriate access to interventional pain management (IPM) procedures in par with other elective surgical procedures. In developing the guidance, trustworthy standards and appropriate disclosures of conflicts of interest were applied with a section of a panel of experts from various regions, specialties, types of practices (private practice, community hospital and academic institutes) and groups. The literature pertaining to all aspects of COVID-19, specifically related to epidemiology, risk factors, complications, morbidity and mortality, and literature related to risk mitigation and stratification was reviewed. The evidence -- informed with the incorporation of the best available research and practice knowledge was utilized, instead of a simplified evidence-based approach. Consequently, these guidelines are considered evidence-informed with the incorporation of the best available research and practice knowledge. Results: The Task Force defined the medical urgency of a case and developed an IPM acuity scale for elective IPM procedures with 3 tiers. These included emergent, urgent, and elective procedures. Examples of emergent and urgent procedures included new onset or exacerbation of complex regional pain syndrome (CRPS), acute trauma or acute exacerbation of degenerative or neurological disease resulting in impaired mobility and inability to perform activities of daily living. Examples include painful rib fractures affecting oxygenation and post-dural puncture headaches limiting the ability to sit upright, stand and walk. In addition, urgent procedures include procedures to treat any severe or debilitating disease that prevents the patient from carrying out activities of daily living. Elective procedures were considered as any condition that is stable and can be safely managed with alternatives. Limitations: COVID-19 continues to be an ongoing pandemic. When these recommendations were developed, different stages of reopening based on geographical regulations were in process. The pandemic continues to be dynamic creating every changing evidence-based guidance. Consequently, we provided evidence-informed guidance. Conclusion: The COVID-19 pandemic has created unprecedented challenges in IPM creating needless suffering for pain patients. Many IPM procedures cannot be indefinitely postponed without adverse consequences. Chronic pain exacerbations are associated with marked functional declines and risks with alternative treatment modalities. They must be treated with the concern that they deserve. Clinicians must assess patients, local healthcare resources, and weigh the risks and benefits of a procedure against the risks of suffering from disabling pain and exposure to the COVID-19 virus. Key words: Coronavirus, COVID-19, interventional pain management, COVID risk factors, elective surgeries, interventional techniques, chronic pain, immunosuppression

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Plumb, Jonathan, Bruce Campbell y Georgios Lyratzopoulos. "How guidance on the use of interventional procedures is produced in different countries: An international survey". International Journal of Technology Assessment in Health Care 25, n.º 02 (abril de 2009): 124–33. http://dx.doi.org/10.1017/s0266462309090175.

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Objectives:Technology assessment systems for interventional procedures (including surgical operations, minimally invasive procedures, and others) have lagged behind those for pharmaceutical treatments. Such systems have been introduced in some countries during the past decade amid debate about how they should be organized, but there is no collated information about where they exist or how they work. This study was designed to provide hitherto unavailable information about the existence, organization, methods, and outputs of systems aimed at influencing the use of interventional procedures in different countries.Methods:Data were gathered from a questionnaire survey of key informers associated with healthcare technology assessment (HTA) organizations in different countries.Results:Responses were received from key informers working for twenty-eight HTA organizations in twenty-five countries (response rate 83 percent). Information about a national system for assessing interventional procedures was obtained for fifteen countries. There was substantial variability in the type and funding of these organizations, the systems used for the selection of procedures, the types and sources of evidence used, the personnel involved in the appraisal of the evidence, the arrangements for consultation on the draft assessment, the format of assessment recommendations, the status of the guidance, and the use of guidance from other countries.Conclusion:Guidance on interventional procedures is produced variably in different countries—and not at all in some. Greater international collaboration in the assessment of new interventional procedures could help to optimize the efficiency of existing systems as well as the quality of the assessments, by capitalizing on the outputs from scarce (international) resources and expertise.

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Barkhausen, Jörg, Thomas Kahn, Gabriele Krombach, Christiane Kuhl, Joachim Lotz, David Maintz, Jens Ricke, Stefan Schönberg, Thomas Vogl y Frank Wacker. "White Paper: Interventional MRI: Current Status and Potential for Development Considering Economic Perspectives, Part 1: General Application". RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren 189, n.º 07 (26 de junio de 2017): 611–23. http://dx.doi.org/10.1055/s-0043-110011.

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Background MRI is attractive for the guiding and monitoring of interventional procedures due to its high intrinsic soft tissue contrast and the possibility to measure physiologic parameters like flow and cardiac function. Method The current status of interventional MRI for the clinical routine was analyzed. Results The effort needed for the development of MR-safe monitoring systems and instruments initially resulted in the application of interventional MRI only for procedures that could not be performed by other means. Accordingly, biopsy of lesions in the breast, which are not detectable by other modalities, has been performed under MRI guidance for decades. Currently, biopsies of the prostate under MRI guidance are established in a similar fashion. At many sites blind biopsy has already been replaced by MR-guided biopsy or at least by the fusion of MR images with ultrasound. Cardiovascular interventions are performed at several centers for ablation as a treatment for atrial fibrillation. Conclusion Interventional MRI has been established in the clinical routine for a variety of indications. Broader application can be expected in the clinical routine in the future owing to the multiple advantages compared to other techniques. Key points Citation format

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Iezzi, Roberto, Tiago Bilhim, Laura Crocetti, Bora Peynircioglu, Shraga Goldberg, Josè Ignacio Bilbao, Ahmed Sami et al. "“Primum Non Nocere” in Interventional Oncology for Liver Cancer: How to Reduce the Risk for Complications?" Life 10, n.º 9 (6 de septiembre de 2020): 180. http://dx.doi.org/10.3390/life10090180.

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Interventional oncology represents a relatively new clinical discipline based upon minimally invasive therapies applicable to almost every human organ and disease. Over the last several decades, rapidly evolving research developments have introduced a newer generation of treatment devices, reagents, and image-guidance systems to expand the armamentarium of interventional oncology across a wide spectrum of disease sites, offering potential cure, control, or palliative care for many types of cancer patients. Due to the widespread use of locoregional procedures, a comprehensive review of the methodologic and technical considerations to optimize patient selection with the aim of performing a safe procedure is mandatory. This article summarizes the expert discussion and report from the Mediterranean Interventional Oncology Live Congress (MIOLive 2020) held in Rome, Italy, integrating evidence-reported literature and experience-based perceptions as a means for providing guidance on prudent ways to reduce complications. The aim of the paper is to provide an updated guiding tool not only to residents and fellows but also to colleagues approaching locoregional treatments.

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Campbell, Bruce. "Guidance has high priority in interventional procedures: Author's reply". BMJ 329, n.º 7461 (5 de agosto de 2004): 351.4. http://dx.doi.org/10.1136/bmj.329.7461.351-c.

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Campbell, Bruce. "NICE Guidance on Interventional Procedures: The First ten Years". Journal of Perioperative Practice 23, n.º 4 (abril de 2013): 66–67. http://dx.doi.org/10.1177/175045891302300401.

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27

Ho, Christopher P. "Interventional Breast Imaging: Ultrasound, Mammography, and MR Guidance Techniques". Journal of Vascular and Interventional Radiology 22, n.º 3 (marzo de 2011): 421. http://dx.doi.org/10.1016/j.jvir.2010.11.003.

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Light, Edward D., John F. Angle y Stephen W. Smith. "Real-time 3-D ultrasound guidance of interventional devices". IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 55, n.º 9 (septiembre de 2008): 2066–78. http://dx.doi.org/10.1109/tuffc.898.

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Herrera, Marcos, Flavio Castañeda, David Hunter, Imre Repa, Janis Letourneau y Wilfrido Castañeda-Zúñiga. "Duplex Ultrasound as Guidance Modality for Intravascular Interventional Procedures". Seminars in Interventional Radiology 5, n.º 04 (diciembre de 1988): 283–85. http://dx.doi.org/10.1055/s-2008-1075973.

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30

Sánchez, Yadiel, Arash Anvari, Anthony E. Samir, Ronald S. Arellano, Anand M. Prabhakar y Raul N. Uppot. "Navigational Guidance and Ablation Planning Tools for Interventional Radiology". Current Problems in Diagnostic Radiology 46, n.º 3 (mayo de 2017): 225–33. http://dx.doi.org/10.1067/j.cpradiol.2016.11.002.

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Zhang, Qiang, Michael Wendt, Andrik J. Aschoff, Lan Zheng, Jonathan S. Lewin y Jeffrey L. Duerk. "Active MR guidance of interventional devices with target-navigation". Magnetic Resonance in Medicine 44, n.º 1 (2000): 56–65. http://dx.doi.org/10.1002/1522-2594(200007)44:1<56::aid-mrm10>3.0.co;2-5.

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Busse, Harald, Thomas Kahn y Michael Moche. "Techniques for Interventional MRI Guidance in Closed-Bore Systems". Topics in Magnetic Resonance Imaging 27, n.º 1 (febrero de 2018): 9–18. http://dx.doi.org/10.1097/rmr.0000000000000150.

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Gangi, Afshin, Bruno Kastler, Jean-Marie Arhan, Antoine Klinkert, Jean-Marc Grampp y Jean-Louis Dietemann. "A Compact Laser Beam Guidance System for Interventional CT". Journal of Computer Assisted Tomography 18, n.º 2 (marzo de 1994): 326–28. http://dx.doi.org/10.1097/00004728-199403000-00035.

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Cornelis, F. H. y S. B. Solomon. "Image guidance in interventional radiology: Back to the future?" Diagnostic and Interventional Imaging 101, n.º 7-8 (julio de 2020): 429–30. http://dx.doi.org/10.1016/j.diii.2020.06.003.

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35

Pua, Eric C., Salim F. Idriss, Patrick D. Wolf y S. W. Smith. "Real-Time Three-Dimensional Transesophageal Echocardiography for Guiding Interventional Electrophysiology: Feasibility Study". Ultrasonic Imaging 29, n.º 3 (julio de 2007): 182–94. http://dx.doi.org/10.1177/016173460702900304.

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At present, there are limited methods of acquiring three-dimensional visualization of cardiac structure and function in real-time during interventional electrophysiology procedures. Images acquired for integration of computerized tomography and magnetic resonance imaging with electroanatomic mapping systems are static and are obtained earlier in time. The purpose of this study was to test the feasibility of real-time three-dimensional transesophageal echocardiography for the guidance of interventional electrophysiological studies. A matrix array transducer with 504 channels operating at 5 MHz in a 1 cm diameter steerable esophageal probe was used in conjunction with a scanner capable of real-time 3D scanning of pyramidal volumes from 65° to 120° at rates up to 30 volumes per second. This device has a spatial resolution of approximately 3 mm at 5 cm depth. The authors acquired real-time three-dimensional images of anatomic landmarks of value for electrophysiological procedures in five closed chest canines. Real-time, three-dimensional ultrasound imaging was also used for visualization and guidance of interventional catheter devices within the canine heart. Real-time three-dimensional images of the atria, pulmonary veins, and coronary sinus were acquired. Real-time 3-D color flow Doppler was employed to confirm patency. Multiple image planes of image volumes and rendered views were used to track catheter position and orientation. Images of left veno-atrial junctions have been confirmed by dissection. This study has demonstrated the feasiblity of using real-time three-dimensional transesophageal echocardiography for guiding interventional electrophysiology. The technology has the potential to fill a niche as an adjunct modality for cost-effective real-time interventional guidance and assessment, providing catheter and pacing lead visualization simultaneously with functional volumetric cardiac imaging.

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Zhang, Qiang, Qi Sun, Yiqi Zhang, Hao Zhang, Tonghui Shan, Jingfeng Han, Wenlong Pan, Chuanqi Gu y Ruxiang Xu. "Three-dimensional image fusion of CTA and angiography for real-time guidance during neurointerventional procedures". Journal of NeuroInterventional Surgery 9, n.º 3 (5 de abril de 2016): 302–6. http://dx.doi.org/10.1136/neurintsurg-2015-012216.

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AimTo evaluate the accuracy of three-dimensional (3D) images from two modalities—CT angiography (CTA) and digital subtraction angiography (DSA). Additionally, to explore the value of using preprocedural CTA for real-time guidance during neurointerventional procedures.Materials and methods25 patients with CTA-confirmed cerebral arterial lesions were enrolled. For 12 of these patients, 3D DSA images of the contrast medium-enhanced target vessel were acquired during the intervention and registered with the preprocedurally acquired CTA images for evaluation of the accuracy of image fusion, focusing on the target vessel and the lesion. For the other 13 patients, a low-dose non-contrast 3D angiographic scan was performed. The preprocedurally acquired CTA image was then registered with the coordinate of angiography and overlaid onto the live fluoroscopic image to provide interventional guidance.ResultsBased on visual inspection by two experienced physicians and quantitative evaluation, excellent accuracy in the 3D registration of the CTA and DSA was achieved for all 12 patients examined. Additionally, CTA could be used successfully to guide the interventional procedures, including both diagnostic DSA and stent treatment. The radiation dose and contrast medium use were compared with those used by conventional interventional procedures and both were found to be significantly reduced.Conclusions3D CTA and angiographic image fusion was approved as highly accurate for neurovasculature. Additionally, using the fusion technique to guide interventional procedures enhanced the workflow, and required much less radiation exposure and contrast medium use, thus helping to reduce potential risks and increase treatment safety.

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Anjum, Sharika, John Powell y Kevin Harris. "VP22 Applying The IDEAL Framework To NICE Interventional Procedure Guidance". International Journal of Technology Assessment in Health Care 35, S1 (2019): 80–81. http://dx.doi.org/10.1017/s0266462319002976.

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IntroductionThe IDEAL (Idea, Development, Exploration, Assessment, Learning) Framework measures the maturity of evidence base behind surgical innovation. The NICE Interventional Procedures (IP) programme issues guidance for the United Kingdom National Health Service (NHS) on use of surgical innovation. One of four recommendations can be made: (a) standard arrangements, (b) special arrangements, (c) research only, and (d) do not use. This study aimed to investigate whether the recommendation of NICE IP guidance corresponded with the stage of innovation as determined by IDEAL, thus IDEAL's role in informing future guidance production.MethodsA retrospective sample of 103 pieces of guidance issued between 2015 and 2018 was analysed. One researcher examined the evidence base and determined the corresponding stage of the IDEAL framework, numbered 1, 2, 2a, 3 and 4. The primary outcome measure was the association between stage of evidence on IDEAL framework and the recommendation of published NICE IP guidance.ResultsThere were twenty-one (20 percent), thirty-three (32 percent), three (3 percent), forty (39 percent) and six (6 percent) procedures at IDEAL stages 1, 2, 2a, 3 and 4, respectively. Of those at stage 1 (idea), 48 percent were given research only arrangements, 43 percent special arrangements, and 10 percent standard. Many of the procedures at stages 2 (development) and 2a (exploration) were given standard arrangements (39 percent and 67 percent respectively). Forty-three percent of stage 3 (assessment) and 67 percent of stage 4 (learning) guidance were identified standard. At stage 4 none were given a ‘research only’ recommendation.ConclusionsProcedures given ‘standard’ arrangements guidance are more likely have a mature and robust evidence base as determined by IDEAL. Those with limited evidence are more likely to be given a more cautious ‘research only’ guidance. Routine use of this framework could help inform future guidance production however cannot replace the decision-making function of the NICE committee which also involves patient experiences, population characteristics, risk of serious safety events, and equity issues.

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Rübenthaler, Johannes, Vincent Schwarze, Constantin Marschner, Giovanna Negrão de Figueiredo y Dirk-André Clevert. "Contrast-Enhanced Ultrasound in Hepatobiliary Interventions". Digestive Disease Interventions 03, n.º 03 (20 de agosto de 2019): 240–42. http://dx.doi.org/10.1055/s-0039-1694785.

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AbstractContrast-enhanced ultrasound (CEUS) has been widely accepted as a diagnostic tool for the detection and evaluation of benign and malignant liver lesions and has been implemented into the clinical routine as a tool for percutaneous interventional real-time image guidance. CEUS can be combined with computed tomography (CT) and magnetic resonance imaging (MRI) datasets using real-time image fusion to additionally surveil proper interventional treatment and assess treatment success. This review describes the state-of-the-art use of CEUS for the surveillance and monitoring of interventional procedures of the liver and for the evaluation of postinterventional success.

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Campbell, William Bruce, Steven J. Barnes, Rebecca A. Kirby, Sarah L. Willett, Sally Wortley y Georgios Lyratzopoulos. "Association of study type, sample size, and follow-up length with type of recommendation produced by the National Institute for Health and Clinical Excellence Interventional Procedures Programme". International Journal of Technology Assessment in Health Care 23, n.º 1 (enero de 2007): 101–7. http://dx.doi.org/10.1017/s026646230705163x.

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Objectives:The association between type and amount of clinical evidence and type of National Institute for Health and Clinical Excellence recommendations for interventional procedures was examined.Methods:The evidence about 736 studies (including 183,729 patients) relating to 130 different interventional procedures and about relevant recommendations was analyzed. Associations were examined between type of recommendation (“normal arrangements” or “cautionary guidance”) and evidence type, total number of treated patients, and mean follow-up length. Evidence type was categorized as (a) randomized, (b) nonrandomized controlled, and (c) case series/reports. The main outcome measures were frequency of evidence type, total number of patients treated, and mean follow-up length, by type of recommendation.Results:“Normal arrangements” recommendations were made for 70 (54 percent) procedures and “cautionary guidance” was issued for 60 (46 percent) procedures. Procedures supported by at least one randomized study (34 percent,n= 44) were more likely to receive a “normal arrangements” recommendation (relative risk 1.38,p= .063). Overall, there were 85 (12 percent), 135 (18 percent), and 516 (70 percent) studies in categories a–c, respectively. The number of treated patients was significantly larger among procedures with “normal arrangements” (median, 605; range, 26–6,842) than among those with “cautionary guidance” (median, 240; range, 1–3,261;p< .001) recommendation. Mean follow-up length was longer in studies relating to procedures with “normal arrangements” recommendation (median, 16.7; range, 0–84 months) compared with those with “cautionary guidance” (median, 14.6; range, 0–67 months;p= .160).Conclusions:Procedures supported by randomized studies, and with larger numbers of patients and longer follow-up length, were more likely to receive positive guidance. Future research and development on interventional procedures should aim to produce better and more relevant evidence to optimize the possibility of such procedures being accepted by policy makers.

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Kapoor, Baljendra, Weiping Wang y Eunice Moon. "Parenteral Nutrition in Interventional Radiology: Consideration and Management of the Patient". Digestive Disease Interventions 02, n.º 01 (marzo de 2018): 079–84. http://dx.doi.org/10.1055/s-0038-1651484.

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AbstractThe approach for patients on parenteral nutrition is typically multidisciplinary. Catheters for parenteral nutrition are primarily placed by interventional radiologists under image guidance. Therefore, adequate knowledge of different catheters, including their indications and complications, as well as management of the complications is exceptionally important for interventional radiologists as well as the referring service. In this review, we discuss different aspects of parenteral nutrition, including infectious complications and the strategy for their prevention and management.

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Riaz, Ahsun y Riad Salem. "Future Directions of Percutaneous Biliary Interventions". Seminars in Interventional Radiology 38, n.º 03 (agosto de 2021): 373–76. http://dx.doi.org/10.1055/s-0041-1731376.

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AbstractWe are at an exciting cross-road in biliary interventions. While other services such as surgery and gastroenterology have learned to use imaging guidance to improve the safety and efficacy of their procedures, it is time for interventional radiologist to learn endoscopic interventions to achieve the same. The future of interventional radiologists in managing patients with biliary disease depends on (1) increasing comfort of our procedures, (2) publishing our data on biliary interventions, and (3) increasing collaboration with other services to manage biliary disease. We need to appropriately understand the limitations of interventional radiology to help guide the future directions of our specialty in this very interesting space.

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Kaul, David, Oriane Bonhomme, Phillip Schwabe, Bernhard Gebauer y Florian Streitparth. "Osteoid Osteoma with a Multicentric Nidus: Interstitial Laser Ablation under MRI Guidance". Case Reports in Orthopedics 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/254825.

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Osteoid osteoma (OO) is a common benign tumor of the bone and is typically treated by thermal ablation with computed tomography (CT) guidance. Only a few cases of multicentric OO have been described. We here report the case of an 11-year-old boy with multicentric OO of the right femur treated with laser ablation under open high-field MRI guidance. The steps of the interventional MRI procedure are described, discussing the benefits and disadvantages of MRI versus CT guidance especially with regard to younger patients.

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Barkhausen, Jörg, Thomas Kahn, Gabriele Krombach, Christiane Kuhl, Joachim Lotz, David Maintz, Jens Ricke, Stefan Schönberg, Thomas Vogl y Frank Wacker. "White Paper: Interventional MRI: Current Status and Potential for Development Considering Economic Perspectives, Part 2: Liver and Other Applications in Oncology". RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren 189, n.º 11 (1 de septiembre de 2017): 1047–54. http://dx.doi.org/10.1055/s-0043-112336.

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Background MRI is attractive for guiding and monitoring interventional procedures due to its high intrinsic soft tissue contrast and the possibility to measure flow and cardiac function. Methods Technical solutions have been developed for all procedural steps including imaging guidance, MR-safe catheters and instruments and patient monitoring. This has led to widening of the clinical applications. Interventional MRI is becoming increasingly important for the treatment of patients suffering from malignant diseases. The detectability of masses and consequently their accessibility for biopsy is higher, compared to other modalities, due to the high intrinsic soft tissue contrast of MRI. Temperature-dependent sequences allow for minimally invasive and tissue-sparing ablation (A-0 ablation). Conclusion Interventional MRI has become established in the clinical routine for a variety of indications, including biopsies and tumor ablation. Since the economic requirement of covering costs by reimbursement is met and interventional MRI decreases the mortality and morbidity of interventional procedures, broader application of interventional MRI can be expected in the clinical routine in the future. Key points Citation Format

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Grönemeyermd, D. H. W., R. M. M. Seibelmd, A. Melzermd, A. Schmidt, M. Deli, M. Friebe y M. Busch. "Future of advanced guidance techniques by interventional CT and MRI". Minimally Invasive Therapy 4, n.º 5-6 (enero de 1995): 251–59. http://dx.doi.org/10.3109/13645709509152803.

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Daly, B., T. L. Krebs, J. J. Wong-You-Cheong y S. S. Wang. "Percutaneous abdominal and pelvic interventional procedures using CT fluoroscopy guidance." American Journal of Roentgenology 173, n.º 3 (septiembre de 1999): 637–44. http://dx.doi.org/10.2214/ajr.173.3.10470894.

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Cormack, R. A., A. V. D’Amico, Nobuhiko Hata, S. Silverman, M. Weinstein y C. M. Tempany. "Feasibility of transperineal prostate biopsy under interventional Magnetic Resonance guidance". Urology 56, n.º 4 (octubre de 2000): 663–64. http://dx.doi.org/10.1016/s0090-4295(00)00698-1.

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Sheafor, D. H., E. K. Paulson, C. M. Simmons, D. M. DeLong y R. C. Nelson. "Abdominal percutaneous interventional procedures: comparison of CT and US guidance." Radiology 207, n.º 3 (junio de 1998): 705–10. http://dx.doi.org/10.1148/radiology.207.3.9609893.

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Gangi, A., J. L. Dietemann, A. Schultz, R. Mortazavi, M. Y. Jeung y C. Roy. "Interventional radiologic procedures with CT guidance in cancer pain management." RadioGraphics 16, n.º 6 (noviembre de 1996): 1289–304. http://dx.doi.org/10.1148/radiographics.16.6.8946536.

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Zhang, Qiang, Michael Wendt, Andrik J. Aschoff, Jonathan S. Lewin y Jeffrey L. Duerk. "A multielement RF coil for MRI guidance of interventional devices". Journal of Magnetic Resonance Imaging 14, n.º 1 (2001): 56–62. http://dx.doi.org/10.1002/jmri.1151.

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Huyskens, C. J., Y. Franken y W. A. Hummel. "Guidance on personal dosimetry for occupational exposure in interventional radiology". Journal of Radiological Protection 14, n.º 3 (septiembre de 1994): 229–34. http://dx.doi.org/10.1088/0952-4746/14/3/004.

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