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https://www.readbyqxmd.com/read/28177650/ct-angiography-of-suspected-peripheral-artery-disease-comparison-of-contrast-enhancement-in-the-lower-extremities-of-patients-undergoing-and-those-not-undergoing-hemodialysis
#1
Takanori Masuda, Yoshinori Funama, Takeshi Nakaura, Naoyuki Imada, Tomoyasu Sato, Tomokazu Okimoto, Kazuo Awai
OBJECTIVE: The objective of our study was to compare contrast enhancement on CT angiography (CTA) images of the lower extremity in patients with suspected peripheral artery disease who did not undergo hemodialysis (HD) and patients who were scanned before or after HD. MATERIALS AND METHODS: We divided 287 consecutive patients who underwent CTA of the lower extremity on a 64-MDCT scanner into three groups: group 1 patients (n = 151) were not dependent on HD, group 2 patients (n = 70) were dependent on HD and underwent HD less than 24 hours after CTA, and group 3 (n = 66) were dependent on HD and underwent HD less than 24 hours before CTA...
February 8, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28111398/survey-of-exposure-dose-during-percutaneous-coronary-intervention-for-chronic-total-occlusion
#2
Tomokazu Sakano, Tatsushi Iwamoto, Takuya Kuribara, Hajime Sakamoto, Osamu Tajima, Yasuatu Hamano, Masayuki Maruyama, Tatsuya Kikuchi, Atsuko Tsukamoto, Kyouichi Kato
During percutaneous coronary intervention (PCI) for chronic total occlusion (CTO), longer fluoroscopic time as compared with PCI for non-CTO lesions may cause skin injury by increased radiation. We have performed a multi-center observational study comparing the exposed dose during the PCI of CTO (CTO group) and during the PCI of non-CTO lesions (non-CTO group). Exposure doses were assessed in 313 patients with CTO and 3,310 patients with non-CTO lesions. Total fluoroscopy time (59.0 ±35.5 vs 26.8 ±18.8 min, p<0...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28104315/implementing-a-structured-reporting-initiative-using-a-collaborative-multistep-approach
#3
Shlomit Goldberg-Stein, William R Walter, E Stephen Amis, Meir H Scheinfeld
PURPOSE: To describe the successful implementation of a structured reporting initiative in a large urban academic radiology department. METHODS: We describe our process, compromises, and top 10 lessons learned in overhauling traditional reporting practices and comprehensively implementing structured reporting at our institution. To achieve our goals, we took deliberate steps toward consensus building, undertook multistep template refinement, and achieved close collaboration with the technical staff, department coders, and hospital information technologists...
December 15, 2016: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28094231/improving-efficiency-using-time-driven-activity-based-costing%C3%A2-methodology
#4
Laura C Tibor, Stacy R Schultz, Ronald Menaker, Bradley D Weber, Jay Ness, Paula Smith, Phillip M Young
PURPOSE: The aim of this study was to increase efficiency in MR enterography using a time-driven activity-based costing methodology. METHODS: In February 2015, a multidisciplinary team was formed to identify the personnel, equipment, space, and supply costs of providing outpatient MR enterography. The team mapped the current state, completed observations, performed timings, and calculated costs associated with each element of the process. The team used Pareto charts to understand the highest cost and most time-consuming activities, brainstormed opportunities, and assessed impact...
January 11, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28050717/improving-patient-safety-avoiding-unread-imaging-exams-in-the-national-va-enterprise-electronic-health-record
#5
Sarah Bastawrous, Benjamin Carney
In the current digital and filmless age of radiology, rates of unread radiology exams remain low, however, may still exist in unique environments. Veterans Affairs (VA) health care systems may experience higher rates of unread exams due to coexistence of Veterans Health Information Systems and Technology Architecture (VistA) imaging and commercial picture archiving and communication systems (PACS). The purpose of this patient safety initiative was to identify any unread exams and causes leading to unread exams...
January 3, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28048307/mo-c-brb-02-the-physicists-leadership-role-in-academic-radiology-the-chair-s-perspective
#6
R Arenson
: With the profound changes currently occurring in medicine, the role of the medical physicist cannot stagnate, but must evolve to meet the challenges and opportunities that are presented. Medical physicists must understand these changes and establish themselves not only as relevant but as leaders in this new environment. We must increase our presence in clinical settings such as tumor boards, patient rounds, and the development of new diagnosis, imaging, and treatment techniques. By establishing ourselves as competent scientists, we can and must participate in the development of technologies through research, teaching, and clinical implementation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048175/su-f-p-04-implementation-of-dose-monitoring-software-successes-and-pitfalls
#7
J Och
PURPOSE: to successfully install a dose monitoring software (DMS) application to assist in CT protocol and dose management. METHODS: Upon selecting the DMS, we began our implementation of the application. A working group composed of Medical Physics, Radiology Administration, Information Technology, and CT technologists was formed. On-site training in the application was supplied by the vendor. The decision was made to apply the process for all the CT protocols on all platforms at all facilities...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047160/su-c-209-06-improving-x-ray-imaging-with-computer-vision-and-augmented-reality
#8
R D MacDougall, S Don, B Scherrer
PURPOSE: To determine the feasibility of using a computer vision algorithm and augmented reality interface to reduce repeat rates and improve consistency of image quality and patient exposure in general radiography. METHODS: A prototype device, designed for use with commercially available hardware (Microsoft Kinect 2.0) capable of depth sensing and high resolution/frame rate video, was mounted to the x-ray tube housing as part of a Philips DigitalDiagnost digital radiography room...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047030/su-g-iep3-05-effects-of-image-receptor-technology-and-dose-reduction-software-on-radiation-dose-estimates-for-fluoroscopically-guided-interventional-fgi-procedures
#9
Z Merritt, J Dave, D Eschelman, C Gonsalves
PURPOSE: To investigate the effects of image receptor technology and dose reduction software on radiation dose estimates for most frequently performed fluoroscopically-guided interventional (FGI) procedures at a tertiary health care center. METHODS: IRB approval was obtained for retrospective analysis of FGI procedures performed in the interventional radiology suites between January-2011 and December-2015. This included procedures performed using image-intensifier (II) based systems which were subsequently replaced, flat-panel-detector (FPD) based systems which were later upgraded with ClarityIQ dose reduction software (Philips Healthcare) and relatively new FPD system already equipped with ClarityIQ...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046867/su-f-p-06-moving-from-computed-radiography-to-digital-radiography-a-collaborative-approach-to-improve-image-quality
#10
D Sandoval, D Valenti, T Bateman, V Norris, G Mlady, R Selwyn
PURPOSE: To bring together radiologists, technologists, and physicists to utilize post-processing techniques in digital radiography (DR) in order to optimize image acquisition and improve image quality. METHODS: Sub-optimal images acquired on a new General Electric (GE) DR system were flagged for follow-up by radiologists and reviewed by technologists and medical physicists. Various exam types from adult musculoskeletal (n=35), adult chest (n=4), and pediatric (n=7) were chosen for review...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046849/mo-de-bra-01-flipped-physics-courses-within-a-radiologic-technologist-program-video-production-and-long-term-outcomes
#11
T Oshiro, M Donaghy, A Slechta
PURPOSE: To determine if the flipped class format has an effect on examination results for a radiologic technologist (RT) program and discuss benefits from creating video resources. METHODS: From 2001-2015, students had taken both a radiological physics and quality control (QC) class as a part of their didactic training. In 2005/2006, the creation of videos of didactic lectures and QC test demonstrations allowed for a flip where content was studied at home while exercises and reviews were done in-class...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046224/su-f-i-40-impact-of-scan-length-on-patient-dose-in-abdomen-pelvis-ct-diagnosis
#12
I Park, J Song, K Kim
PURPOSE: To analysis the impact of scan length on patient doses in abdomen/pelvis CT diagnosis of each hospital. METHODS: Scan length of 7 hospitals from abdomen/pelvis CT diagnosis was surveyed in Korea. Surveyed scan lengths were additional distance above diaphragm and distance below pubic symphysis except for standard scan range between diaphragm and pubic symphysis. Patient dose was estimated for adult male and female according to scan length of each hospital...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027166/ncrp-vision-for-the-future-and-program-area-committee-activities
#13
John D Boice
The National Council on Radiation Protection and Measurements (NCRP) believes that the most critical need for the nation in radiation protection is to train, engage, and retain radiation professionals for the future. Not only is the pipeline shrinking, but for some areas there is no longer a pipe! When the call comes to respond, there may be no one to answer the phone! The NCRP "Where are the Radiation Professionals?" initiative, Council Committee (CC) 2, and this year's annual meeting are to focus our efforts to find solutions and not just reiterate the problems...
February 2017: Health Physics
https://www.readbyqxmd.com/read/28004975/electronic-kiosks-for-patient-satisfaction-survey-in-radiology
#14
Johannes Boos, Jieming Fang, Aideen Snell, Donna Hallett, Bettina Siewert, Roland L Eisenberg, Olga R Brook
OBJECTIVE: The purpose of this article is to analyze patient satisfaction surveys obtained via electronic kiosks in a tertiary-care academic radiology department to detect potential areas of improvement and to identify ways to improve survey response and completion rates. MATERIALS AND METHODS: All patient satisfaction surveys submitted via electronic kiosks and via online surveys between January 2015 and January 2016 were included in this retrospective study. The surveys consisted of questions regarding the patients' overall experience, cleanliness of the department, and interactions with the receptionist, technologist, nurse, and physician...
March 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28003607/examination-for-effectiveness-of-scatter-correction-in-portable-chest-radiography
#15
Hajime Ichikawa, Takaaki Ono, Yasuhiro Sawane, Mitsuaki Terabe, Minoru Yamaguchi, Hideki Shimada
OBJECTIVES: The aim of this study was to evaluate the effectiveness of scatter correction in the portable chest radiography. METHODS: Digital radiographies were performed without anti-scatter grid (grid), with the scatter correction and with the grid ratio of 3 : 1 in this study. The scatter fraction and the detectability of low contrast signals were measured using the four acrylic phantoms of different thicknesses. The chest phantom radiographs were assessed subjectively, in random order, by six radiologic technologists...
2016: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/27988200/dissecting-costs-of-ct-study-application-of-tdabc-time-driven-activity-based-costing-in-a-tertiary-academic-center
#16
Yoshimi Anzai, Marta E Heilbrun, Derek Haas, Luca Boi, Kirk Moshre, Satoshi Minoshima, Robert Kaplan, Vivian S Lee
RATIONALE AND OBJECTIVES: The lack of understanding of the real costs (not charge) of delivering healthcare services poses tremendous challenges in the containment of healthcare costs. In this study, we applied an established cost accounting method, the time-driven activity-based costing (TDABC), to assess the costs of performing an abdomen and pelvis computed tomography (AP CT) in an academic radiology department and identified opportunities for improved efficiency in the delivery of this service...
December 14, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27933409/imaging-trends-in-suspected-appendicitis-a-canadian-perspective
#17
Victoria F Tan, Michael N Patlas, Douglas S Katz
PURPOSE: The purpose of our study was to assess trends in the imaging of suspected appendicitis in adult patients in emergency departments of academic centers in Canada. METHODS: A questionnaire was sent to all 17 academic centers in Canada to be completed by a radiologist who works in emergency radiology. The questionnaires were sent and collected over a period of 4 months from October 2015 to February 2016. RESULTS: Sixteen centers (94%) responded to the questionnaire...
December 8, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27913397/prospective-study-of-ultraviolet-radiation-exposure-and-thyroid-cancer-risk-in-the-united-states
#18
Rachel D Zamoiski, Elizabeth K Cahoon, D Michal Freedman, Martha S Linet, Cari M Kitahara
BACKGROUND: Thyroid cancer incidence has tripled in the past three decades, yet relatively few risk factors have been identified. Some studies have suggested that ultraviolet radiation (UVR) may affect thyroid cancer risk. METHODS: We conducted a prospective analysis of 44,039 participants in the United States Radiologic Technologists study (153 thyroid cancer cases) from all 50 states. We examined the association between risk of thyroid cancer and exposure to UVR, estimated by ambient UVR, time outdoors, and a combined variable...
December 2, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27908191/technical-note-display-window-setting-an-important-factor-for-detecting-subtle-but-clinically-relevant-artifacts-in-daily-ct-quality-control
#19
Zaiyang Long, Michael R Bruesewitz, Emily N Sheedy, Michele A Powell, Jacqualynn C Kramer, Randall R Supalla, Chance M Colvin, Jessica R Bechel, Christopher P Favazza, James M Kofler, Shuai Leng, Cynthia H McCollough, Lifeng Yu
PURPOSE: This study aimed to investigate the influence of display window setting on technologist performance detecting subtle but clinically relevant artifacts in daily computed tomography (CT) quality control (dQC) images. METHODS: Fifty three sets of dQC images were retrospectively selected, including 30 sets without artifacts, and 23 with subtle but clinically relevant artifacts. They were randomized and shown to six CT technologists (two new and four experienced)...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27867179/required-work-for-a-radiology-technologist-in-ir
#20
Seiki Hosokawa
No abstract text is available yet for this article.
2016: Nihon Hoshasen Gijutsu Gakkai Zasshi
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