Relevant bibliographies by topics / Fluoroscopic assessment

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Fluoroscopic assessment'

Author: Grafiati
Published: 2 June 2025
Last updated: 19 July 2025

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Journal articles on the topic "Fluoroscopic assessment"

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Greeven, A. P. A., S. Hammer, M. C. DeRuiter, and I. B. Schipper. "Accuracy of fluoroscopy in the treatment of intra-articular thumb metacarpal fractures." Journal of Hand Surgery (European Volume) 38, no. 9 (2012): 979–83. http://dx.doi.org/10.1177/1753193412468565.

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The purpose of this study was to determine the accuracy of fluoroscopic imaging during closed reduction and percutaneous fixation of intra-articular thumb metacarpal fractures. Closed reduction and percutaneous fixation was assessed in eight simulated intra-articular thumb metacarpal fractures, using fluoroscopy and digital radiographs. Displacement and fracture step-off were measured during fluoroscopy, on plain radiographs, and by direct visualization after careful dissection. Displacement on fluoroscopy was 0.8 (SD 1.0) mm and 1.2 (SD 1.4) with radiographic imaging. Direct visualization showed displacement of 0.9 (SD 1.2) mm. Intra-articular step-off on fluoroscopy was 0.8 (SD 1.0) mm and 0.8 (SD 0.8) with radiographic imaging. Direct visualization showed an intra-articular step-off of 0.8 (SD 1.2) mm. Statistical analysis showed excellent compatibility between fluoroscopy and direct visualization. Fluoroscopic visualization during surgery provides an adequate assessment of articular step-off and displacement in comparison with radiographs and direct visualization.
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Abdel-Halim, Rabie E., Sahar Al-Mashad, and Asmaa Al-Dabbagh. "Fluoroscopic assessment of bilharzial ureteropathy." Clinical Radiology 36, no. 1 (1985): 89–94. http://dx.doi.org/10.1016/s0009-9260(85)80035-0.

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Ciraj-Bjelac, Olivera, Danijela Arandjic, Dusko Kosutic, and Djordje Lazarevic. "An assessment of scattered radiation during fluoroscopic procedures in diagnostic radiology." Nuclear Technology and Radiation Protection 24, no. 3 (2009): 204–8. http://dx.doi.org/10.2298/ntrp0903204c.

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The results of measurements of scattered radiation in the vicinity of a fluoroscopic X-ray facility are presented in this paper. Two different fluoroscopic systems, one with an undercouch tube and one with an overcouch tube, were compared. The dose rate was measured during the simulation of a fluoroscopy procedure, using an ionization chamber as a dosemeter. The distribution of scattered radiation has been determined and results show a much higher dose rate in cases of an overcouch tube arrangement. When X-ray units with an undercouch tube are concerned, under same exposure conditions, the dose rate is higher in cases of a vertical beam. Prior to the measurements, the ionization chamber was examined in order to evaluate its suitability as a survey meter used in diagnostic radiology. Measurements show that below 1.2 s, the ionization chamber gives an underestimation of dose rates. Therefore, in order to perform accurate measurements using this instrument, exposure times should be above 1.2 s.
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Bergsma, Minke, Katharina Denk, Job N. Doornberg, et al. "Volar Plating: Imaging Modalities for the Detection of Screw Penetration." Journal of Wrist Surgery 08, no. 06 (2019): 520–30. http://dx.doi.org/10.1055/s-0039-1681026.

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Abstract Background Volar plating for distal radius fractures exposes the risk of extensor tendon rupture, mechanical problems, and osteoarthritis due to protruding screws. Purposes The purpose of this review was to identify the best intraoperative diagnostic imaging modality to identify dorsal and intra-articular protruding screws in volar plating for distal radius fractures. Methods The Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines were followed for this review. In vitro and in vivo studies that analyzed the reliability, efficacy, and/or accuracy of intraoperatively available imaging modalities for the detection of dorsal or intra-articular screw protrusion after volar plating for distal radius fractures were included. Results Described additional imaging modalities are additional fluoroscopic views (pronated views, dorsal tangential view [DTV], radial groove view [RGV], and carpal shoot through [CST] view), three-dimensional (3D) and rotational fluoroscopies, and ultrasound (US). For detection of dorsal screw penetration, additional fluoroscopic views show better results than conventional views. Based on small (pilot) studies, US seems to be promising. For intra-articular screw placement, 3D or 360 degrees fluoroscopy shows better result than conventional views. Conclusion Based on this systematic review, the authors recommend the use of at least one of the following additional imaging modalities to prevent dorsal protruding screws: CST view, DTV, or RGV. Tilt views are recommended for intra-articular assessment. Of all additional fluoroscopic views, the DTV is most studied and proves to be practical and time efficient, with higher efficacy, accuracy, and reliability compared with conventional views. Level of Evidence The level of evidence is Level III.
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Clementz, B. G., and A. Magnusson. "Assessment of Tibial Torsion Employing Fluoroscopy, Computed Tomography and the Cryosectioning Technique." Acta Radiologica 30, no. 1 (1989): 75–80. http://dx.doi.org/10.1177/028418518903000117.

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Accurate assessment of tibial torsion, particularly the rotational deformity of a stabilized tibial fracture, demands precise anatomic landmarks at the proximal and distal measuring sites of the tibia. A fluoroscopic method has been proposed, utilizing the orientation of the femoral condyles and the medial malleolus to constitute two lines of reference. The relevance of using these structures for the assessment was studied while employing fluoroscopy, computed tomography, and the cryosectioning technique in 10 necropsy specimens of the human tibia. In all specimens the lines of reference were determined by each method and the tibial torsion was measured as the angle between the lines. The medial malleolus and the femoral condyles were found to present reliable anatomic landmarks for determination of the lines of reference in all employed techniques. The maximum difference between results obtained with different methods in a given specimen was 5.4°. The average difference between results with two techniques and two observers varied from 1.0 to 1.5°. The reproducibility of the fluoroscopic method, described by the estimated standard error of a single determination, was 1.3°.
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Beakley, Burton D. "Value of Examination Under Fluoroscopy for the Assessment of Sacroiliac Joint Dysfunction." Pain Physician 5;18, no. 5;9 (2015): E781—E786. http://dx.doi.org/10.36076/ppj.2015/18/e781.

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Background: Pain emanating from the sacroiliac (SI) joint can have variable radiation patterns. Single physical examination tests for SI joint pain are inconsistent with multiple tests increasing both sensitivity and specificity. Objective: To evaluate the use of fluoroscopy in the diagnosis of SI joint pain. Study Design: Prospective double blind comparison study Setting: Pain clinic and radiology setting in urban Veterans Administration (VA) in New Orleans, Louisiana. Methods: Twenty-two adult men, patients at a southeastern United States VA interventional pain clinic, presented with unilateral low back pain of more than 2 months’ duration. Patients with previous back surgery were excluded from the study. Each patient was given a Gapping test, Patrick (FABERE) test, and Gaenslen test. A second blinded physician placed each patient prone under fluoroscopic guidance, asking each patient to point to the most painful area. Pain was provoked by applying pressure with the heel of the palm in that area to determine the point of maximum tenderness. The area was marked with a radio-opaque object and was placed on the mark with a fluoroscopic imgage. A site within 1 cm of the SI joint was considered as a positive test. This was followed by a diagnostic injection under fluoroscopy with 1 mL 2% lidocaine. A positive result was considered as more than 2 hours of greater than 75% reduction in pain. Then, in 2-3 days this was followed by a therapeutic injection under fluoroscopy with 1 mL 0.5% bupivacaine and 40 mg methylprednisolone. Results: Each patient was reassessed after 6 weeks. The sensitivity and specificity in addition to the positive and negative predictive values were determined for both the conventional examinations, as well as the examination under fluoroscopy. Finally, a receiver operating characteristic (ROC) curve was constructed to evaluate test performance. The sensitivity and specificity of the fluoroscopic examination were 0.82 and 0.80 respectively; Positive predictive value and negative predictive value were 0.93 and 0.57 respectively. The area under ROC curve was 0.812 which is considered a “good” test; however the area under ROC for the conventional examination were between 0.52 -0.58 which is considered “poor to fail”. Limitations: Variation in anatomy of the SI joint, small sample size. Conclusions: Multiple structures of the SI joint complex can result in clinical symptoms of pain. These include intra-articular structures (degenerative arthritis, and inflammatory conditions) as well as extraarticular structures (ligaments, muscles, etc.). Key words: Sacroilliac joint disease, radicular pain, thigh thrust test, compression test, distraction test, Gaenslen test, Patrick test (FABER test)
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Mandalidis, D. G., B. S. Mc Glone, R. F. Quigley, D. McInerney, and M. O'Brien. "Digital fluoroscopic assessment of the scapulohumeral rhythm." Surgical and Radiologic Anatomy 21, S4 (1999): 241–46. http://dx.doi.org/10.1007/bf01631393.

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Gyekye, P. K., C. Schandorf, M. Boadu, J. Yeboah, and J. K. Amoako. "Patient dose assessment due to fluoroscopic exposure for some selected fluoroscopic procedures in Ghana." Radiation Protection Dosimetry 136, no. 3 (2009): 203–8. http://dx.doi.org/10.1093/rpd/ncp172.

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Saengsin, Jirawat, Go Sato, Pongpanot Sornsakrin, et al. "A Comparison of Portable Ultrasonography and the Fluoroscopy for Evaluating Medial Ankle Instability: A Cadaveric Study." Foot & Ankle Orthopaedics 7, no. 1 (2022): 2473011421S0042. http://dx.doi.org/10.1177/2473011421s00425.

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Category: Ankle; Trauma Introduction/Purpose: Diagnosis of destabilizing deltoid ligament injuries remains challenging and is best identified with dynamic imaging techniques. This study aims to assess and compare medial clear space (MCS) distances in various stages of sequentially created supination external rotation (SER) ankle injury model using portable ultrasound (P-US) and fluoroscopy. We hypothesize that there is a strong correlation between the P-US and fluoroscopic measurements for the assessment of medial ankle instability in SER type ankle injury during the gravity stress test (GST), weight-bearing, or external rotation stress test. Methods: Ten cadaveric specimens were used for assessing medial ankle instability. The assessment was performed with all structures intact, and later with sequential transection of the anterior inferior tibiofibular ligament (Stage I), fibular (Weber-B fracture) (Stage II), posterior inferior tibiofibular ligament (Stage III), superficial deltoid ligament (Stage IVa), and deep deltoid ligament (Stage IVb). In all scenarios, the GST, external rotation stress test(45N), and Simulated weight-bearing condition(750N) were performed. The P-US measurement of the MCS was assessed at the anteromedial and inferomedial aspect of the ankle joint. Three different MCS distances were measured, as demonstrated in Figure 1. The fluoroscopic MCS measurements were assessed on a true mortise ankle view achieved during each loading condition. Spearman rank correlation was used to investigate the relationship between the P-US and fluoroscopic measurements. The inter- and intra-observer agreement was assessed using the intraclass correlation coefficient (ICC) through a two-way mixed-effects model with absolute agreement. Results: The P-US and fluoroscopic assessed medial ankle instability values during the GST, weight-bearing, and the external rotation stress test increased as the SER ankle injury stage progressed. The P-US values measured during all stress tests demonstrated a moderate to strong positive correlation with those measured with the fluoroscopy (Spearman's rank correlation ranged from 0.61-0.93, p-values <0.001). Inter-rater (P-US: 0.97, 95%CI: 0.96-0.98) and intra-rater reliability (P-US, 0.95, 95%CI: 0.94-0.96) for the P-US measurements were all substantial. Conclusion: The use of dynamic P-US to measure the MCS appears to be a reliable and repeatable technique. The P-US MCS measurement values measured in the SER ankle injury model during the GST, weight-bearing and the external rotation stress test are well correlated with those values measured with fluoroscopy. Therefore, the dynamic P-US with stress examination of the ankle has the potential to quantify medial ankle instability in a radiation-free, non-invasive, low cost, and point of care setting.
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Reed, Daniel R., Kent E. Wallner, Sreeram Narayanan, Steve G. Sutlief, Eric C. Ford, and Paul S. Cho. "Intraoperative fluoroscopic dose assessment in prostate brachytherapy patients." International Journal of Radiation Oncology*Biology*Physics 63, no. 1 (2005): 301–7. http://dx.doi.org/10.1016/j.ijrobp.2005.05.039.

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Dissertations / Theses on the topic "Fluoroscopic assessment"

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Ricciardello, Michelle Heidi. "Development of a simple test object for rapid assessment of fluoroscopic imaging systems." Thesis, Queensland University of Technology, 1991. https://eprints.qut.edu.au/36808/1/36808_Ricciardello_1991.pdf.

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Performance assessment of fluoroscopic systems is done by different groups using a diversity of test protocols and phantoms. This project aims to use a single standard inex pensive phantom for non-invasive, clinically realistic testing acceptable to all test bodies in NSW: hospital physicists, Public Works department and Radiation Health Services personnel, fluoroscopic manufacturing company engineers, and radiographers. phantom and protocol have been developed to assess overall fluoroscopic image quality for clinical conditions. Previous image quality protocols used a prescribed setup (70 kVp, 1mm copper) which is not clinically realistic, and not possible on some units. This is especially the case with the increasing use of automatic brightness control (ABC). The proposed test protocol includes 20 cm water in the imaging phantom, allowing ABC setting of the relevant parameters. It has been found that x-ray beam quality and attenuation produced by the previous protocols differs significantly from that with clinical conditions using 20 cm water under ABC. When used with a range of fluoroscopic units the water phantom was shown to be more diagnostic of image quality performance than copper, using the test protocol. Patient dose rate correlated with image quality results was useful in assessing overall performance.
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Ward, Thomas Richard. "Functional assessment of knee replacements using fluoroscopy, kinetics and modelling." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424739.

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Staton, Robert J. "Organ dose assessment in pediatric fluoroscopy and CT via a tomographic computational phantom of the newborn patient." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0013050.

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Ioppolo, James. "Kinematic joint measurements using radiostereometric analysis (RSA) and single-plane x-ray video fluoroscopy." University of Western Australia. Orthopaedics Unit, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0090.

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[Truncated abstract] Measuring the kinematics of joints and implants following orthopaedic surgery is important since joint motion directly influences the functional outcome of the patient and the longevity of the implant. Radiostereometric Analysis (RSA) has been used to assess the motion over time of various joints and implant designs following corrective orthopaedic and joint replacement surgery for more than 20 years in more than 10,000 patients around the world. While the use of RSA reduces the risk of implanting potentially inferior prostheses on a large scale, conventional methodological procedures are based on the acquisition of static, stereographic x-ray images that are not suitable for measuring skeletal kinematics in a dynamic manner. The purpose of this thesis was to design, validate and test a novel technique for dynamically assessing the skeletal motion of human subjects using RSA and single-plane digital x-ray video fluoroscopy. The validation procedure utilised two in-vitro phantom models of human joints capable of simulating normal kinematic motion. These phantom models were supplied with realistic spatial displacement protocols derived from cadaveric specimens. The spatial positions of a series of tantalum markers that were implanted in each skeletal segment were measured using RSA. Skeletal motion was determined in x-ray fluoroscopy images by minimising the difference between the markers measured and projected in the single image plane. Accuracy was determined in terms of bias and precision by analysing the deviation between the applied displacement protocol and measured pose estimates. ... The RSA and low dose single-plane fluoroscopy technique developed, validated and tested in this thesis is capable of dynamically measuring the kinematics of any joint in the human body, following the implantation of small metallic markers in the surrounding bone during corrective orthopaedic surgery. The kinematics of joints with replacement prostheses, such as the total knee replacement (TKR), can be analysed in addition to the kinematics of joints without replacement prostheses, such as the sacroiliac joint. The technique may be used in the future on groups of human subjects enrolled in controlled trials that are designed to analyse the kinematics of the shoulder, spine, hip, knee, patella or ankle joints for the purposes of quantitatively comparing the kinematics of different prosthesis designs and various corrective orthopaedic procedures.
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Ozeroglu, Muhammed A. "Verification of Caregraph® peak skin dose data using radiochromic film /." Download the thesis in PDF, 2005. http://www.lrc.usuhs.mil/dissertations/pdf/Ozeroglu2005.pdf.

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Teyhen, Deydre Smyth. "Kinematic assessment of lumbar segmental instability using digital fluoroscopic video." Thesis, 2004. http://hdl.handle.net/2152/1270.

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Teyhen, Deydre Smyth Abraham Lawrence D. "Kinematic assessment of lumbar segmental instability using digital fluoroscopic video." 2004. http://wwwlib.umi.com/cr/utexas/fullcit?p3143478.

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Romano, Marissa. "The diagnostic test accuracy of clinical swallow assessment for oropharyngeal aspiration: a systematic review." Thesis, 2014. http://hdl.handle.net/2440/84766.

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Background: Oropharyngeal aspiration, the recurrent entry of food and/or fluids below the level of the vocal cords, can result in a range of complications including: chronic lung diseases, aspiration pneumonia, malnutrition and/or dehydration. Video fluoroscopic swallow study is the Gold Standard assessment of oropharyngeal aspiration but is resource intense, exposes the patient to radiation and is not available in all hospitals and centres. The Clinical Swallow Assessment is a bedside swallow assessment widely used to screen and/or assess for oropharyngeal aspiration. The evidence base behind the diagnostic test accuracy of the Clinical Swallow Assessment has not previously been synthesised. Objectives: To synthesise the best available evidence on the diagnostic test accuracy (sensitivity and specificity) of clinical swallow assessment compared with Video Fluoroscopic Swallow Study in diagnosing oropharyngeal aspiration in children and adults with dysphagia. Inclusion criteria: Types of participants Any patients referred for swallowing assessment, specifically assessed for oropharyngeal aspiration were included and there was no exclusion based on age or gender. Study results were excluded for head and neck cancer patients, patients with a tracheostomy in situ and patients with craniofacial anomalies. Focus of the review The focus of the review was to examine the diagnostic test accuracy of clinical swallow assessment, as compared with Video Fluoroscopic Swallow Study. Types of studies This systematic review considered any relevant cross sectional study that measured diagnostic test accuracy. Types of outcomes Outcomes of interest were the sensitivity and specificity of the clinical swallow, as compared with the video fluoroscopic study and the positive and negative predictive values. Where this data was not reported in the studies, these measures were calculated from the reported raw data. Search strategy: Thirteen major databases were searched from their inception until April 31st 2012. There were no limits during the search stage as relevant studies were omitted if search filters such as ‘English’ and ‘Human’ were applied. Methodological quality: Methodological quality was assessed using the QUADAS checklist. Data was collected using the STARD checklist. Sensitivity and specificity measures were combined in meta-analysis to generate a summary receiver operator characteristic plot. Results: There were 1787 titles initially identified. Following duplicate removal and screening against inclusion criteria, 37 papers were retrieved for detailed examination and 24 papers were excluded as they did not meet the inclusion criteria. The most common reason for exclusion was that the paper was not a study of diagnostic test accuracy. There were 13 studies included in the systematic review and found to have high methodological quality. Data extracted from individual studies was statistically combined in meta-analysis to produce a forest plot and summary receiver operating characteristic (sROC) plot. Heterogeneity was evident in the forest plot, particularly for sensitivity as evidenced by the wider confidence intervals for sensitivity compared with specificity. The test sensitivity varied from 21% to 93%, the specificity from 46% to 93%. The summary mean sensitivity and specificity was calculated as 71% and 76% respectively. Positive predictive value was calculated as 60% and negative predictive value was 81%. The scatter of points around the curve on the sROC plot also indicated heterogeneity. Sources of heterogeneity were identified and explored. The shape of the sROC curve strongly supported the finding of a threshold effect, which is expected for studies in which there is a strong interpretative component such as the clinical swallow assessment. This occurs as clinicians may vary in their criteria for what constitutes a positive or negative test result. The overall prevalence of aspiration in the included studies was calculated as 35%. Results are based predominantly on adult, acute post stroke patients. Conclusion: This thesis provides good evidence for an overall estimate of the sensitivity and specificity of clinical swallow assessment compared with video fluoroscopic swallow study for the assessment of oropharyngeal aspiration. In this population, a clinician can be much more confident in a negative test result than a positive test result. A false positive test result may lead to unnecessary patient care and costs, including with-holding oral medications and prescription of modified diets and/or fluids. A false negative test result may lead to compromised lung health and/or pneumonia. Implications for practice: Using calculations of the positive predictive values and negative predictive values, 60% of patients who test positive for aspiration are truly aspirating and 81% of patients who test negative for aspiration are truly not aspirating. Positive and negative test results are affected by the prevalence of the condition in the population. To summarise, the PPV increases and the NPV decreases as prevalence increases and the PPV decreases and NPV increases as the prevalence decreases. For example if the prevalence is much lower (e.g. 10%) the NPV rises to 96% and the PPV decreases to 24%. This thesis provides data for centres where VFSS is not available regarding the diagnostic test accuracy of clinical swallow assessment for oropharyngeal aspiration. Implications for Research: Only one of the included studies provided data for infants and children. None of the included studies addressed infants, children or adults without a neurological aetiology. Further research is needed for infants and children with dysphagia as well as neurologically intact and normally developing infants, children and adults.<br>Thesis (M.Clin.Sc.) -- University of Adelaide, School of Translational Health Science, 2014
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Elgström, Henrik. "Assessment of image quality in x-ray fluoroscopy based on Model observers as an objective measure for quality control and image optimization." Thesis, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-158081.

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BACKGROUND: Although the Image Quality (IQ) indices calculated by objective Model observers contains more favourable characteristics compared to Figure Of Merits (FOM) derived from the more common subjective evaluations of modern digital diagnostic fluoroscopy units, like CDRAD or the Leeds test-objects, practical issues in form of limited access to unprocessed raw data and intricate laboratory measurements have made the conventional computational methods too inefficient and laborious. One approach of the Statistical Decision Variables (CDV) analysis, made available in the FluoroQuality software, overcome these limitations by calculating the SNR2rate from information entirely based on image frames directly obtained from the imaging system, operating in its usual clinical mode.      AIM: The overall aim of the project has been to make the proposed Model observer methodology readily available and verified for use in common IQ tests that takes place in a hospital based on simple measuring procedures with the default image enhancement techniques turned on. This includes conversion of FluoroQuality to MATLAB, assessment of its applicability on a modern digital unit by means of comparisons of measured SNR2rate with the expected linear response predicted by the classical Rose model, assessment of the methods limiting and optimized imaging conditions (with regard to both equipment and software parameters) and dose-efficiency measurements of the SNR2rate/Doserate Dose-to-information (DI) index including both routine quality control of the detector and equipment parameter analyses.      MATERIALS AND METHODS: A Siemens Axiom Artis Zee MP diagnostic fluoroscopy unit, a Diamentor transmission ionisation chamber and a small T20 solid state detector have been used for acquisition of image data and measurements of Air Kerma-area product rate (KAP-rate) and Entrance Surface Air Kerma rate (ESAK-rate without backscatter). Two sets of separate non-attached test-details, of aluminium and tissue equivalent materials respectively, and a Leeds test object were used as contrasting signals. Dose-efficiency measurements consisted of variation of 4 different parameters: Source-Object-Distance, Phantom PMMA thickness, Field size and Dose rate setting. In addition to these, dimensions of the test details as well as computational parameters of the software, like ROI size and number of frames, were included in the theoretical analyses.      RESULTS: FluoroQuality has successfully been converted to MATLAB and the method has been verified with SNR2rate in accordance with the Rose model with only small deviations observed in contrast analyses, most likely reflecting the methods sensitivity in observing non-linear effects. Useful guidelines for measurement procedures with regard to accuracy and precision have been derived from the studies. Results from measurements of the (squared) DI-indices indicates comparable precision (≤ 8%) with the highest performing visual evaluations but with higher accuracy and reproducibility. What still remains for the method to compete with subjective routine QC tests is to integrate the SNR2rate measurements in an efficient enough QA program.
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Books on the topic "Fluoroscopic assessment"

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Great Britain. Department of Health and Social Security. Supplies Technology Division., ed. Assessment of a Siemens Siregraph D remote control fluoroscopy / radiography package. Department of Healthand Social Security, NHS Procurement Directorate, Supplies Technology Division, 1987.

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Great Britain. Medical Devices Directorate., ed. An Assessment of a Philips Medical Systems DSI fluoroscopy system at the Royal Cornwall Hospital (Treliske). Department of Health, Medical Devices Directorate, 1991.

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Federle, Michael P., and Michael O. Griffin. Radiologic Assessment and Management of Complications. Edited by Tomasz Rogula, Philip Schauer, and Tammy Fouse. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190608347.003.0027.

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Radiology plays and important role in the evaluation of patients who have undergone a bariatric surgical procedure. This chapter discusses the imaging appearance of complications after the most common bariatric surgeries, Roux-en-Y gastric bypass, gastric banding, and sleeve gastrectomy. The fluoroscopic upper GI examination and computed tomography (CT) are the most commonly used imaging modalities for evaluating these patients. For each surgical procedure, fluoroscopic and/or CT images are used to illustrate the normal postoperative anatomy and to provide examples of common and uncommon complications seen in the early and late postoperative periods. Appropriate imaging technique is highlighted. A role for interventional radiology in the minimally invasive management of some of these complications is also briefly discussed.
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Williams, Jerry R. Diagnostic radiology equipment. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199655212.003.0012.

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The chapter is concerned with the features of radiographic and fluoroscopic equipment that present radiation protection issues for both patients and staff. These are managed through regulation, manufacturing standards, and adherence to safe working practices. It is different for patients who are deliberately irradiated in accordance with justification protocols not considered here. Radiation protection is based on the ALARP principle which requires the resultant dose to be minimized consistent with image quality is sufficient to provide accurate and safe diagnosis. Dose minimization is critically dependent on detector efficiency. Quality control of dose for individual examinations is particularly important to provide assurance of ALARP. It should include not only patient dose assessment but also detector dose indicators, particularly in radiography. These issues are discussed in detail together with other dose-saving features and discussion on objective methods of image quality assessment. Commissioning and lifetime tests are required for quality assurance programmes. These are described.
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An Assessment of a medical X-Ray supplies/Shimadzu radiography/fluoroscopy system. Department of Health,Medical Devices Directorate, 1991.

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Trail, I. A., D. Temperley, and J. K. Stanley. Assessment and investigation of chronic wrist pain. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780199550647.003.006001.

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♦ A careful history and a thorough physical examination is of paramount importance in the diagnosis of chronic wrist pain♦ The mechanism of injury and the position of the wrist when injured is crucial information♦ The localization of swelling and local tenderness can be invaluable in diagnosis♦ Imaging of the wrist is often helpful is diagnosis, with plain radiography standard♦ Fluoroscopy, nuclear medicine, CT and MRI scans, arthrography and arthroscopy can also help with diagnosis♦ The choice of imaging technique and its interpretation depend upon clinical information derived from the history and physical examination
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Faletra, Francesco F., Laura A. Leo, Tiziano Moccetti, and Mark J. Monaghan. Three-dimensional echocardiography. Edited by Frank Flachskampf. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0088.

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Three-dimensional echocardiography (3DE) certainly represents one of the major innovations of the last decades. Nowadays, 3DE has achieved a well-established role in many fields of cardiovascular diseases. This chapter discusses the contribution of 3DE towards a more precise quantitative assessment of cardiac chambers, in refining the diagnosis of structural heart diseases, and in guiding catheter-based structural heart disease procedures. The last section discusses the evolving role of a novel imaging system that specifically fuses fluoroscopy and two/three-dimensional echocardiography on one screen and represents a new exciting approach to image guidance for structural heart disease interventions.
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Martin, Colin J., and Dr David G. Sutton. Diagnostic radiology—patient dosimetry. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199655212.003.0014.

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A knowledge of the doses that patients receive is important to optimize radiation protection in diagnostic radiology. This chapter covers the methodology involved in assessment and management of patient dose for radiography and fluoroscopy. The dose quantities are described and ones to use for different applications are discussed. The instruments and measurement techniques used are described, including passive techniques such as TLD and radiochromic film. The need to consider scattering of X-rays from surfaces is explained. Factors to be taken into account include whether the assessment is for practical evaluation of technique or to provide an indication of risk. The appropriate dose to assess could be that to the whole body, the skin surface, or a particular organ such as the breast in mammography. These factors all feed into the patient dose audit process, which is explained together with the setting of diagnostic references levels to aid optimization.
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Aguasca, Gerard Martí, Bruno Garcia del Blanco, and Jaume Sagristà Sauleda. Pericardiocentesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199687039.003.0027.

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Cardiac tamponade is a life-threatening condition that may require the urgent removal of pericardial fluid. Therefore, the pericardiocentesis procedure should be part of the skills of physicians treating critically ill patients. The pericardiocentesis technique has evolved from a blind and unguided procedure, prone to complications, to a safer and more effective guided technique by using echocardiography or fluoroscopy. However, as in any invasive procedure, complications still occur. Therefore, indications should be restricted to patients with cardiac tamponade or a high suspicion of specific aetiologies when performed for diagnostic purposes. Accurate indications, optimal imaging assessment, knowledge of materials required, familiarization with different techniques, and rapid recognition of complications are key for a successful procedure.
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Book chapters on the topic "Fluoroscopic assessment"

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Katsumi, Hiroshi, Matthew P. Rutman, and Jerry G. Blaivas. "Assessment of Outflow Obstruction and Sphincteric Incontinence in Men: A Urodynamic and Fluoroscopic Perspective." In Smith's Textbook of Endourology. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781444345148.ch120.

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Elona, I. A., and A. A. Morales. "Assessment of Patient Dose in Selected Non-Cardiac Interventional Fluoroscopy Procedures Using OSL Dosimeters." In IFMBE Proceedings. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19387-8_193.

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Adlam, David, and Bernard D. Prendergast. "Angiography: indications and limitations." In Oxford Textbook of Interventional Cardiology. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199569083.003.008.

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The technique of coronary angiography provides and records an instantaneous real-time fluoroscopic assessment of coronary luminal anatomy. It is used both as a diagnostic tool for the assessment of coronary disease and to provide the images which guide percutaneous coronary intervention (PCI). The procedure involves the injection of a bolus of radio-opaque contrast agent through a catheter placed in the coronary ostium, thereby delineating the luminal structure of the epicardial coronary arteries when viewed using simultaneous fluoroscopy. Angiography allows the identification of areas of intimal atheroma which impinge on the vessel lumen with potential to impair blood flow. In conjunction with clinical assessment and non-invasive investigation, the number, extent, location, and distribution of these coronary stenoses are pivotal in determining the optimal revascularization strategy, whether by surgical or percutaneous techniques.
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Viant Warren J. "The development of an evaluation framework for the quantitative assessment of computer-assisted surgery and augmented reality accuracy performance." In Studies in Health Technology and Informatics. IOS Press, 2001. https://doi.org/10.3233/978-1-60750-925-7-534.

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The paper describes a framework for the quantitative assessment of errors within a computer assisted surgical system. The framework diagrammatically describes the registration process and simulates the error propagation chain based on the assumption that errors can be described through the use of a normal distribution model. The projection error associated with a fluoroscopic image intensifier is given as an example.
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Guglielmo, Marco. "CT prior to transcatheter/surgical aortic valve replacement." In EACVI Handbook of Cardiovascular CT, edited by Oliver Gaemperli, Pal Maurovich-Horvat, Koen Nieman, Gianluca Pontone, and Francesca Pugliese. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/med/9780192884459.003.0025.

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Abstract Aortic stenosis is the most common primary valve disease leading to surgery or catheter intervention in Europe and North America, with a growing prevalence due to the ageing population. Cardiac CT has become essential in the preprocedural evaluation of candidates for transcatheter aortic valve implantation (TAVI), offering a detailed assessment of the aortic annulus, aorta, peripheral access, and suitable fluoroscopic projection angle for the implantation procedure. Moreover, cardiac CT identifies extracardiac and extravascular findings that might influence the prognosis of TAVI patients.
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Adlam, David, Annette Maznyczka, and Bernard Prendergast. "Angiography: indications and limitations." In Oxford Textbook of Interventional Cardiology, edited by Simon Redwood, Nick Curzen, and Adrian Banning. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198754152.003.0009.

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This chapter discusses angiography to provide and record fluoroscopic assessment of coronary luminal anatomy, which can be used in a number of ways to provide clinicians with a guide for coronary intervention (PCI). It is vital to assess a patient for their suitability to have an angiograph and to know what information to provide them with from it, once having understood it as a team or independent clinician. As with other medical procedures, there are a number of different strengths and weaknesses to conducting an angiograph and these should always be considered.
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O’Neill, Louisa, Iain Sim, John Whitaker, et al. "Imaging for electrophysiological procedures." In The ESC Textbook of Cardiovascular Imaging, edited by José Luis Zamorano, Jeroen J. Bax, Juhani Knuuti, et al. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198849353.003.0022.

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Electrophysiology is one of the most rapidly growing area of cardiology. Currently &gt;50,000 catheter ablations are performed in Europe every year and &gt;200,000 patients receive a device for arrhythmia treatment, sudden death prevention, or cardiac resynchronization. The advantages and limitations of fluoroscopy are well known. The rapid development of implantable cardiac devices therapies and ablation procedures all depend on accurate and reliable imaging modalities for preprocedural assessments, intraprocedural guidance, detection of complications, and post-procedural assessment for the longitudinal follow-up of patients. Therefore, over the last decades, imaging become an integral part of electrophysiological procedures.
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Faletra, Francesco F., Laura A. Leo, Tiziano Moccetti, and Mark J. Monaghan. "Three-dimensional echocardiography." In ESC CardioMed, edited by Frank Flachskampf. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0088_update_001.

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Three-dimensional echocardiography (3DE) certainly represents one of the major innovations of the last decades. Nowadays, 3DE has achieved a well-established role in many fields of cardiovascular diseases. This chapter discusses the contribution of 3DE towards a more precise quantitative assessment of cardiac chambers, in refining the diagnosis of structural heart diseases, and in guiding catheter-based structural heart disease procedures. The last section discusses the evolving role of a novel imaging system that specifically fuses fluoroscopy and two/three-dimensional echocardiography on one screen and represents a new exciting approach to image guidance for structural heart disease interventions.
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Rosado-de-Christenson, Melissa L. "Imaging Modalities." In Chest Imaging. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780199858064.003.0002.

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The chapter titled imaging modalities describes various methods of imaging the thorax. Imaging of patients presenting with thoracic complaints typically begins with chest radiography. Ambulatory patients should undergo posteroanterior (PA) and lateral chest radiographs. Anteroposterior (AP) chest radiography should be reserved for debilitated, critically ill and traumatized patients. Special chest radiographic projections such as decubitus chest radiography may be employed for specific indications. Chest CT is the imaging study of choice for evaluating most abnormalities found on radiography. Contrast-enhanced chest CT is optimal for evaluation of vascular abnormalities, the hila and some mediastinal lesions. CT angiography is routinely employed in patients with suspected pulmonary thromboembolism or acute aortic syndromes. High-resolution chest CT is reserved for the evaluation of diffuse infiltrative lung disease and often includes expiratory and prone imaging. FDG PET/CT is increasingly employed in the assessment of patients with malignancy for the purposes of initial staging and post therapy re-staging of affected patients. Ventilation/perfusion scintigraphy is used in the assessment of pulmonary thromboembolism. Additional thoracic imaging techniques include: Fluoroscopy for evaluation of the diaphragm, and ultrasound for evaluation of the thyroid and the pleural space.
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Maisch, Bernhard, Arsen Ristić, Sabine Pankuweit, and Peter Seferović. "Interventional therapies for pericardial diseases." In ESC CardioMed, edited by Yehuda Adler. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0383.

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The prerequisite for interventional therapies in pericardial diseases is a meticulous clinical work-up of the patient including all necessary imaging modalities, and the assessment of the aetiology if needed. Interventional procedures include pericardiocentesis, life-saving acute drainage in tamponade, prolonged drainage in selected cases, intrapericardial medical therapy, percutaneous balloon pericardiotomy, or percutaneous pericardiostomy. Echocardiography and fluoroscopy guidance have greatly increased safety. Current major complications occur in less than 2% of cases with no mortality in experienced centres. To facilitate pericardial access in patients with very small or no effusion, several devices have been tested, which are not routinely needed. Assessment of the underlying disorder has been improved by cytology and pericardial and epicardial biopsy under pericardioscopy guidance. Intrapericardial therapy with fibrinolytics can facilitate complete drainage of dense or loculated pericardial effusions in purulent, tuberculous, or uraemic pericarditis in addition to extensive rinsing. In neoplastic pericardial effusions, intrapericardial cytostatic treatment can effectively prevent recurrences of effusions although the lethal outcome from the underlying cancer can only be delayed. In autoreactive pericardial effusions, intrapericardial triamcinolone prevents further recurrences with only a few systemic corticoid side effects. Percutaneous balloon pericardiotomy can be an alternative to surgical pericardial fenestration. Symptomatic pericardial cysts can be eradicated by alcohol instillations. Epicardial ablation of arrhythmogenic foci in (peri)myocardial disease has become available for the interventional pericardiologist and rhythmologist.
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Conference papers on the topic "Fluoroscopic assessment"

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Yadava, Girijesh K., Stephen Rudin, Andrew T. Kuhls-Gilcrist, and Daniel R. Bednarek. "Generalized objective performance assessment of a new high-sensitivity microangiographic fluoroscopic (HSMAF) imaging system." In Medical Imaging, edited by Jiang Hsieh and Ehsan Samei. SPIE, 2008. http://dx.doi.org/10.1117/12.769808.

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Weatherburn, Henry, and G. Manson. "Development of a technique for electronic assessment of the image quality of medical fluoroscopic systems." In Medical Imaging 1994, edited by Rodney Shaw. SPIE, 1994. http://dx.doi.org/10.1117/12.174252.

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Koffas, A., D. Chougias, A. Papaefthymiou, et al. "COMBINED ENDOSCOPIC-FLUOROSCOPIC ASSESSMENT OF A SUPRADIAPHRAGMATIC CAVITY (MIS)DIAGNOSED AS COVID-19-RELATED LUNG ABSCESS." In ESGE Days 2022. Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/s-0042-1745365.

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Marmor, Meir, Erik N. Hansen, Hyun Kyu Han, Jenni M. Buckley, and Amir Matityahu. "Assessment of Radiographic Parameters for Adequate Reduction Following Syndesmotic Injury Causing Fibular Malrotation." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19082.

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Rotational ankle injuries are one of the most common musculoskeletal problems treated by orthopaedic surgeons. The distal tibio-fibular syndesmosis may be disrupted during injury resulting in ankle instability. The goal of surgery is to restore anatomic relation of tibia, fibula, and talus. Any malreduction including that of the syndesmosis may result in poor clinical outcomes [1]. While currently accepted radiographic criteria can adequately detect tibio-fibular diasthesis or translation malreductions, it is not yet clear if the currently these criteria are equally suited for detection of rotational malreductions of the tibio-fibular syndesmosis [2]. The goal of this study is to quantify the sensitivity of fluoroscopic measurements of tibio-fibular overlap (TFO) and tibio-fibular clear space (TCS) to rotational malreductions of the syndesmosis. Standard x-ray imaging will be compared with a 3D fluoroscan which will simulate postoperative CT [3].
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Banks, Scott A., Anne Z. Banks, Frank F. Cook, and W. Andrew Hodge. "Markerless Three Dimensional Measurement of Knee Kinematics Using Single-Plane Fluoroscopy." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1328.

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Abstract Kinematics of the normal, injured, or prosthetically replaced knee joint are a complex combination of rolling, gliding and rotational motions which are significantly influenced by the activity undertaken, the integrity of the ligaments and capsular structures, muscle activity, and articular geometry. Accurate kinematic information is critical to understanding the function and pathogenesis of the knee, particularly during weight bearing dynamic activities. The present study was undertaken to characterize the accuracy of a non-invasive fluoroscopic technique for measuring dynamic three-dimensional (3D) knee motions in individuals whose knees have not been prosthetically replaced. This technique utilizes orthogonal planar radiographic views of the knee to create a 3D contour model of consistently identifiable bony features for both the tibia and femur. The measurement technique is implemented by projecting the contour model onto digitized fluoroscopic images of the moving knee, and determining the translations and rotations which give the best correspondence between the projected contour model and the radiographic projection of the bone. Controlled in vitro assessment of the technique resulted in a rotational accuracy of 1.8 degrees and a sagittal plane translational accuracy of 1.2 mm.
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Nguyen, T., I. Yuki, K. Ohkawa, et al. "E-131 In vitro model for evaluating non-DMSO liquid embolics: real-time injection force and fluoroscopic assessment." In SNIS 22nd Annual Meeting Abstracts. BMJ Publishing Group Ltd., 2025. https://doi.org/10.1136/jnis-2025-snis.246.

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Long, Steven, Geb W. Thomas, and Donald D. Anderson. "Designing an Extensible Wire Navigation Simulation Platform." In 2017 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dmd2017-3435.

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Orthopaedic resident training has been, and continues to be, in a state of flux. Initially, there were limits placed on the number of hours a resident could work in a week [1]. Later, residency programs were required to provide laboratory-based training in basic surgical skill for first year residents [2]. Now there is a push towards a competency-based training program that graduates residents who demonstrate their acquisition of adequate surgical skills [3]. With each of these shifts in the training model, programs and institutions have looked increasingly to simulation-based training to ease the way. Simulation offers opportunities to train surgeons quickly, provide essential feedback to foster improvement, and assess skill acquisition. With the broad swath of requirements to satisfy in orthopaedic surgical skills training, a simulation platform must support an array of training capabilities for resident practice and performance assessment. Wire navigation is a central skill in orthopaedics that has a broad variety of applications. In this task, surgeons must use 2D intra-operative fluoroscopic images to visualize the 3D anatomy of a patient and place a wire along a specified path through bone. In some situations, placing the wire is the final task; in others the wire serves as a guide for subsequently placed cannulated implants. Regardless of the situation, the placement of the wire in the bone directly influences the surgical result for the patient. We previously presented the design of a wire navigation surgical simulator dedicated specifically to hip wire navigation [4]. Our experience with the dozens of surgeons and residents who have used the simulator suggest that they find the general skill of guiding a wire to be relatively abstract. They are more drawn to practicing specific surgeries rather than the general skill. To address this need, we have modified the simulator to present new surgical procedures, while still exercising the underlying skill of wire navigation. We also learned that the task of directing the fluoroscope in order to acquire appropriate view angles for making surgical decisions is integral to surgical wire navigation, so we extended the simulator to include this important aspect of surgical skill.
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Marshall, Emily L., Daniela Olivera Velarde, Natalie Baughan, et al. "Task-specific evaluation of clinical pediatric fluoroscopy systems." In Image Perception, Observer Performance, and Technology Assessment, edited by Claudia R. Mello-Thoms and Sian Taylor-Phillips. SPIE, 2022. http://dx.doi.org/10.1117/12.2613006.

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Lang, Pencilla, Petar Seslija, Daniel Bainbridge, et al. "Accuracy assessment of fluoroscopy-transesophageal echocardiography registration." In SPIE Medical Imaging, edited by Kenneth H. Wong and David R. Holmes III. SPIE, 2011. http://dx.doi.org/10.1117/12.877899.

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Yaniv, Ziv, and Kevin Cleary. "Fluoroscopy based accuracy assessment of electromagnetic tracking." In Medical Imaging, edited by Kevin R. Cleary and Robert L. Galloway, Jr. SPIE, 2006. http://dx.doi.org/10.1117/12.643965.

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