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https://www.readbyqxmd.com/read/27896451/transfer-learning-with-convolutional-neural-networks-for-classification-of-abdominal-ultrasound-images
#1
Phillip M Cheng, Harshawn S Malhi
The purpose of this study is to evaluate transfer learning with deep convolutional neural networks for the classification of abdominal ultrasound images. Grayscale images from 185 consecutive clinical abdominal ultrasound studies were categorized into 11 categories based on the text annotation specified by the technologist for the image. Cropped images were rescaled to 256 × 256 resolution and randomized, with 4094 images from 136 studies constituting the training set, and 1423 images from 49 studies constituting the test set...
November 28, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27815055/strengths-and-deficiencies-in-the-content%C3%A2-of-us-radiology-private-practices-%C3%A2-websites
#2
Evan J Johnson, Ankur M Doshi, Andrew B Rosenkrantz
PURPOSE: The Internet provides a potentially valuable mechanism for radiology practices to communicate with patients and enhance the patient experience. The aim of this study was to assess the websites of US radiology private practices, with attention to the frequency of content of potential patient interest. METHODS: The 50 largest private practice radiology facilities in the United States were identified from RadiologyBusiness.com. Websites were reviewed for information content and functionality...
November 1, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27815053/comparative-effectiveness-of-hands-on-versus-computer-simulation-based-training-for-contrast-media-reactions-and-teamwork-skills
#3
Carolyn L Wang, Sankar Chinnugounder, Daniel S Hippe, Sadaf Zaidi, Ryan B O'Malley, Puneet Bhargava, William H Bush
PURPOSE: To assess the performance of interprofessional teams of radiologists, technologists, and nurses trained with high-fidelity hands-on (HO) simulation and computer-based (CB) simulation training for contrast reaction management (CR) and teamwork skills (TS). METHODS: Nurses, technologists, and radiology residents were randomized into 11 teams of three (one of each). Six teams underwent HO training and five underwent CB training for CR and TS. Participants took written tests before and after training and were further tested using a high-fidelity simulation scenario...
November 1, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27751973/occupational-radiation-exposure-to-the-extremities-of-medical-staff-during-hysterosalpingography-and-radionuclide-bone-scan-procedures-in-several-nigerian-hospitals
#4
Nnamdi Norbert Jibiri, Tawakalitu Oluwatoyin Akintunde, Musa Yusuf Dambele, Christopher Jimoh Olowookere
OBJECTIVE: The practice of regular dose measurement helps to ascertain the level of occupational dose delivered to the staff involved in diagnostic procedures. This study was carried out to evaluate the dose exposed to the hands of radiologists and a radiologic technologist carrying out HSG and radionuclide bone scan examinations in several hospitals in Nigeria. METHODS: Radiation doses exposed to the hands of radiologists and a technician carrying out hysterosalpingography (HSG) and bone scan procedures were measured using calibrated thermo-luminescent dosimeters...
October 5, 2016: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/27749641/developing-and-testing-an-electronic-literacy-resource-for-arab-patients-before-experiencing-radiology-procedures
#5
Mohamed M Abuzaid, Aishah M Alnuaimi, Asma M Abdi, Elika A Mohajer, Ifrah A Mohamed, Rawan A Bilwani, Shaima B Alhammadi
BACKGROUND: Radiological examinations require prior preparation that patients should be informed about. Radiologists and radiologic technologists have limited time and resources to do so. Therefore, the internet is a valuable and accessible resource for patient education, but the information may not be reliable, especially that in Arabic language. This study aimed to develop online patient education resources about imaging procedures in Arabic. It also evaluated the understandability and actionability of the source materials...
September 2016: Journal of the Egyptian Public Health Association
https://www.readbyqxmd.com/read/27639514/voices-emerging-from-the-shadows-radiologic-practitioners-experiences-of-challenging-conversations
#6
Elaine C Meyer, Giulia Lamiani, Donna Luff, Stephen D Brown
OBJECTIVE: Traditionally, radiologists have practiced their profession behind the scenes. Today, radiologic practitioners face mounting expectations to communicate more directly with patients. However, their experiences with patient communication are not well understood. The aim of this study was to describe the challenges of radiologic practitioners when communicating with patients. METHODS: Twelve day-long interprofessional communication skills workshops for radiologic clinicians were held at Boston Children's Hospital...
July 30, 2016: Patient Education and Counseling
https://www.readbyqxmd.com/read/27595706/problem-based-learning-for-radiological-technologists-a-comparison-of-student-attitudes-toward-plain-radiography
#7
Takayoshi Terashita, Naomi Tamura, Kengo Kisa, Hidenobu Kawabata, Katsuhiko Ogasawara
BACKGROUND: Knowledge and skill expected of healthcare providers continues to increase alongside developments in medicine and healthcare. Problem-based learning (PBL) is therefore increasingly necessary in training courses for radiological technologists. However, it is necessary to evaluate the effects of PBL to completely introduce it in our education programs. As a Hypothesis, it seems that a change occurs in the student's attitudes by participating in PBL practical training. There is the Semantic Differential (SeD) technique as a method to identify student's attitudes...
2016: BMC Medical Education
https://www.readbyqxmd.com/read/27595620/cost-effectiveness-and-resource-use-of-implementing-mri-guided-nact-in-er-positive-her2-negative-breast-cancers-in-the-netherlands
#8
Anna Miquel-Cases, Lotte M G Steuten, Lisanne S Rigter, Wim H van Harten
BACKGROUND: Response-guided neoadjuvant chemotherapy (RG-NACT) with magnetic resonance imaging (MRI) is effective in treating oestrogen receptor positive/human epidermal growth factor receptor-2 negative (ER-positive/HER2-negative) breast cancer. We estimated the expected cost-effectiveness and resources required for its implementation compared to conventional-NACT. METHODS: A Markov model compared costs, quality-adjusted-life-years (QALYs) and costs/QALY of RG-NACT vs...
September 5, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27576692/ct-radiation-dose-awareness-among-paediatricians
#9
Tamader Y Al-Rammah
BACKGROUND: The radiation dose delivered from computed tomography (CT) scanning and the risks associated with ionising radiation are major concerns in paediatric imaging. Compared to adults, children have increased organ sensitivity and a longer expected lifetime in which cancer may develop. Therefore, it is important to investigate the awareness of paediatricians (referring physicians) regarding radiation doses and the associated risks. METHODS: A multiple-choice survey was distributed among paediatricians in 8 hospitals in Riyadh, the capital of Saudi Arabia...
2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/27570129/assessing-the-content-of-youtube-videos-in-educating-patients-regarding-common-imaging-examinations
#10
Andrew B Rosenkrantz, Eugene Won, Ankur M Doshi
PURPOSE: To assess the content of currently available YouTube videos seeking to educate patients regarding commonly performed imaging examinations. METHODS: After initial testing of possible search terms, the first two pages of YouTube search results for "CT scan," "MRI," "ultrasound patient," "PET scan," and "mammogram" were reviewed to identify educational patient videos created by health organizations. Sixty-three included videos were viewed and assessed for a range of features...
August 25, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27567127/technologists-characteristics-and-quality-of-positioning-in-daily-practice-in-a-canadian-breast-cancer-screening-program
#11
Marie-Hélène Guertin, Isabelle Théberge, Hervé Tchala Vignon Zomahoun, Michel-Pierre Dufresne, Éric Pelletier, Jacques Brisson
RATIONALE AND OBJECTIVES: This study evaluates to what extent technologists' experience, training, or practice in mammography are associated with screening mammography positioning quality. MATERIALS AND METHODS: Positioning quality of a random sample of 1278 mammograms drawn from the 394,190 screening examinations performed in 2004-2005 in the Breast Cancer Screening Program of Quebec (Canada) was evaluated by an expert radiologist. Information on technologists' experience, training, and practice was obtained by mailed questionnaire...
August 24, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27549101/frequency-and-reasons-for-extra-sequences-in-clinical-abdominal-mri-examinations
#12
Jessica Schreiber-Zinaman, Andrew B Rosenkrantz
PURPOSE: The purpose of the study was to identify the frequency and reasons for extra sequences in clinical liver MRI and MRCP examinations. METHODS: A total of 250 consecutive liver MRI and 250 consecutive MRCP examinations performed at a single institution were reviewed. Extra sequences performed in comparison with our standard institutional protocol were identified. Reasons for the extra sequences were identified. Overall trends were assessed. RESULTS: In significantly greater fractions of exams (p = 0...
August 23, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27531410/vaccination-program-in-a-resource-limited-setting-a-case-study-in-the-philippines
#13
Sarocha Chootipongchaivat, Varit Chantarastapornchit, Wantanee Kulpeng, Joyce Anne Ceria, Niña Isabelle Tolentino, Yot Teerawattananon
OBJECTIVE: Implementing national-level vaccination programs involves long-term investment, which can be a significant financial burden, particularly in resource-limited settings. Although many studies have assessed the economic impacts of providing vaccinations, evidence on the positive and negative implications of human resources for health (HRH) is still lacking. Therefore, this study aims to estimate the HRH impact of introducing pneumococcal conjugate vaccine (PCV) using a model-based economic evaluation...
September 14, 2016: Vaccine
https://www.readbyqxmd.com/read/27514108/enhancing-the-imaging-experience-for-pediatric-patients
#14
Molly Baron, Shannon Joslin, Jane S Kim, Narendra S Shet, Brigitte Pocta, Penny Olivi
The University of Maryland Medical Center's goal was to improve the safety and comfort of pediatric imaging by enhancing the experience for children. Two pediatric radiologists and two child life specialists worked together to create a training program to help guide radiology technologists on how to approach and interact with children undergoing medical imaging. The results of surveys administered to technologists and parents or caregivers helped refine the strategy for both creating training sessions for technologists and reading materials for children and their parents to optimally prepare for the procedures...
May 2016: Radiology Management
https://www.readbyqxmd.com/read/27509544/intravenous-gadoxetate-disodium-administration-reduces-breath-holding-capacity-in-the-hepatic-arterial-phase-a-multi-center-randomized-placebo-controlled-trial
#15
Taylor R McClellan, Utaroh Motosugi, Michael S Middleton, Brian C Allen, Tracy A Jaffe, Chad M Miller, Scott B Reeder, Claude B Sirlin, Mustafa R Bashir
Purpose To determine, in a multicenter double-blinded placebo-controlled trial, whether maximal hepatic arterial phase breath-holding duration is affected by gadoxetate disodium administration. Materials and Methods Institutional review board approval was obtained for this prospective multi-institutional HIPAA-compliant study; written informed consent was obtained from all subjects. At three sites, a total of 44 volunteers underwent a magnetic resonance (MR) imaging examination in which images were acquired before and dynamically after bolus injection of gadoxetate disodium, normal saline, and gadoterate meglumine, administered in random order in a single session...
August 10, 2016: Radiology
https://www.readbyqxmd.com/read/27448401/ct-and-mr-protocol-standardization-across-a-large-health-system-providing-a-consistent-radiologist-patient-and-referring-provider-experience
#16
Peter B Sachs, Kelly Hunt, Fabien Mansoubi, James Borgstede
Building and maintaining a comprehensive yet simple set of standardized protocols for a cross-sectional image can be a daunting task. A single department may have difficulty preventing "protocol creep," which almost inevitably occurs when an organized "playbook" of protocols does not exist and individual radiologists and technologists alter protocols at will and on a case-by-case basis. When multiple departments or groups function in a large health system, the lack of uniformity of protocols can increase exponentially...
July 22, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27356166/changes-in-occupational-radiation-exposures-after-incorporation-of-a-real-time-dosimetry-system-in-the-interventional-radiology-suite
#17
Sashi Poudel, Lori Weir, Dawn Dowling, David C Medich
A statistical pilot study was retrospectively performed to analyze potential changes in occupational radiation exposures to Interventional Radiology (IR) staff at Lawrence General Hospital after implementation of the i2 Active Radiation Dosimetry System (Unfors RaySafe Inc, 6045 Cochran Road Cleveland, OH 44139-3302). In this study, the monthly OSL dosimetry records obtained during the eight-month period prior to i2 implementation were normalized to the number of procedures performed during each month and statistically compared to the normalized dosimetry records obtained for the 8-mo period after i2 implementation...
August 2016: Health Physics
https://www.readbyqxmd.com/read/27325412/improving-breast-ultrasound-interpretation-in-uganda-using-a-condensed-breast-imaging-reporting-and-data-system
#18
John R Scheel, Sue Peacock, Jackson Orem, Samuel Bugeza, Zeridah Muyinda, Peggy L Porter, William C Wood, Robert L Comis, Constance D Lehman
RATIONALE AND OBJECTIVES: This study aimed to determine whether a 2-day educational course using a condensed Breast Imaging Reporting and Data System (condensed BI-RADS) improved the accuracy of Ugandan healthcare workers interpreting breast ultrasound. MATERIALS AND METHODS: The target audience of this intervention was Ugandan healthcare workers involved in performing, interpreting, or acting on the results of breast ultrasound. The educational course consisted of a pretest knowledge assessment, a series of lectures on breast imaging interpretation and standardized reporting using a condensed BI-RADS, and a posttest knowledge assessment...
October 2016: Academic Radiology
https://www.readbyqxmd.com/read/27318577/the-patient-experience-in-radiology-observations-from-over-3-500-patient-feedback-reports-in-a-single-institution
#19
Andrew B Rosenkrantz, Kristine Pysarenko
PURPOSE: To identify factors associated with the patient experience in radiology based on patient feedback reports from a single institution. METHODS: In a departmental patient experience committee initiative, all imaging outpatients are provided names and roles of all departmental employees with whom they interact, along with contact information for providing feedback after their appointment. All resulting feedback was recorded in a web-based database. A total of 3,675 patient comments over a 3-year period were assessed in terms of major themes...
June 16, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27318571/accurate-cloud-based-smart-imt-measurement-its-validation-and-stroke-risk-stratification-in-carotid-ultrasound-a-web-based-point-of-care-tool-for-multicenter-clinical-trial
#20
Luca Saba, Sumit K Banchhor, Harman S Suri, Narendra D Londhe, Tadashi Araki, Nobutaka Ikeda, Klaudija Viskovic, Shoaib Shafique, John R Laird, Ajay Gupta, Andrew Nicolaides, Jasjit S Suri
This study presents AtheroCloud™ - a novel cloud-based smart carotid intima-media thickness (cIMT) measurement tool using B-mode ultrasound for stroke/cardiovascular risk assessment and its stratification. This is an anytime-anywhere clinical tool for routine screening and multi-center clinical trials. In this pilot study, the physician can upload ultrasound scans in one of the following formats (DICOM, JPEG, BMP, PNG, GIF or TIFF) directly into the proprietary cloud of AtheroPoint from the local server of the physician's office...
August 1, 2016: Computers in Biology and Medicine
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