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https://www.readbyqxmd.com/read/28430554/role-of-cerebrospinal-fluid-in-spaceflight-induced-ocular-changes-and-visual-impairment-in-astronauts
#1
Noam Alperin, Ahmet M Bagci, Carlos J Oliu, Sang H Lee, Byron L Lam
Purpose To determine the respective roles of vascular and cerebrospinal fluids in spaceflight-induced vision impairment in astronauts, known as the visual impairment and intracranial pressure (VIIP) syndrome. Materials and Methods This retrospective study was approved by the National Aeronautics and Space Administration institutional review board and is HIPAA compliant. All subjects provided written informed consent. Magnetic resonance (MR) imaging data from nine astronauts (mean age, 46.9 years) who flew on the space shuttle (14...
April 21, 2017: Radiology
https://www.readbyqxmd.com/read/28429056/prognostic-significance-of-supradiaphragmatic-lymph-nodes-at-initial-presentation-in-patients-with-stage-iii-high-grade-serous-ovarian-cancer
#2
L J McIntosh, A C O'Neill, S Bhanusupriya, S A Matalon, A D Van den Abbeele, N H Ramaiya, A B Shinagare
PURPOSE: To identify the optimal size threshold and to assess the prognostic significance of supradiaphragmatic lymph nodes at initial presentation of patients with high-grade serous ovarian cancer (HGSC). METHODS: This IRB-approved, HIPAA-compliant retrospective study included baseline pretreatment staging abdominal CTs of 88 women (mean age 62 years, SD 10.4, range 29-85) with FIGO stage III HGSC. Patients with stage IV disease were excluded due to worse prognosis and management guided by distant metastases...
April 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28421970/management-of-fractured-inferior-vena-cava-filters-outcomes-by-fragment-location
#3
Scott O Trerotola, S William Stavropoulos
Purpose To inform the management of fractured inferior vena cava filters on the basis of results from a tertiary referral center specializing in complex filter retrieval. Materials and Methods This study had institutional review board approval and was HIPAA compliant. Retrospective analysis of all patients with fractured filters and/or filter fragments evaluated for removal in a complex filter removal program was performed. Removal was attempted when fragments were intravascular or immediately extravascular by using primarily endobronchial forceps for caval fragments and snares for cardiac and pulmonary fragments...
April 19, 2017: Radiology
https://www.readbyqxmd.com/read/28419484/variations-in-the-functional-visual-field-for-detection-of-lung-nodules-on-chest-computed-tomography-impact-of-nodule-size-distance-and-local-lung-complexity
#4
Lukas Ebner, Martin Tall, Kingshuk Roy Choudhury, Donald L Ly, Justus E Roos, Sandy Napel, Geoffrey D Rubin
PURPOSE: To explore the characteristics that impact lung nodule detection by peripheral vision when searching for lung nodules on chest CT-scans. METHODS: This study was approved by the local IRB and HIPAA compliant. A simulated primary (1°) target mass (2 x 2 x 5 cm) was embedded into 5-cm thick sub-volumes (SV) extracted from three unenhanced lung MDCT-scans (64-row, 1.25 mm thickness, 0.7 mm increment). One of 30 solid, secondary nodules with either 3-4 mm and 5-8 mm diameters were embedded into 192 of 207 SVs...
April 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28418811/hypertrabeculated-left-ventricular-myocardium-in-relationship-to-myocardial-function-and-fibrosis-the-multi-ethnic-study-of-atherosclerosis
#5
Nadine Kawel-Boehm, Robyn L McClelland, Filip Zemrak, Gabriella Captur, W Gregory Hundley, Chia-Ying Liu, James C Moon, Steffen E Petersen, Bharath Ambale-Venkatesh, João A C Lima, David A Bluemke
Purpose To determine if excess greater left ventricle (LV) trabeculation is associated with decreased average regional myocardial function, diffuse fibrosis, or both. Materials and Methods This was a HIPAA-compliant institutional board approved multicenter study, and all participants provided written informed consent. Participants in the Multi-Ethnic Study of Atherosclerosis (MESA) underwent a comprehensive cardiac magnetic resonance (MR) examination. LV trabeculation was measured with the maximal apical fractal dimension (FD), which is a marker of endocardial complexity...
April 17, 2017: Radiology
https://www.readbyqxmd.com/read/28410848/improving-access-to-image-guided-procedures-at-an-integrated-rural-critical-access-hospital-ultrasound-guided-thyroid-biopsy-program
#6
Thang Q Le, Yadiel Sánchez, Alexander S Misono, Sanjay Saini, Anand M Prabhakar
PURPOSE: Critical access hospitals face difficulty providing all services locally and may need to refer patients off-site for additional care. Providing on-site minimally invasive biopsies, may obviate visits to tertiary or quaternary care centers. This study aims to assess feasibility and outcomes of an ultrasound-guided thyroid biopsy program in a critical access hospital. METHODS: In this HIPAA compliant, IRB approved study, the Interventional Radiology (IR) database of a 19-bed, island, rural, critical access hospital without onsite pathology services affiliated with our quaternary care institution was retrospectively reviewed to identify all thyroid biopsies that were performed on site since inception of the service in April 2014 through August 2016...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28397344/a-comparison-of-the-diagnostic-accuracy-of-magnetic-resonance-imaging-to-axillary-ultrasound-in-the-detection-of-axillary-nodal-metastases-in-newly-diagnosed-breast-cancer
#7
Matthew A Assing, Bhavika K Patel, Neel Karamsadkar, Jared Weinfurtner, Omar Usmani, John V Kiluk, Jennifer S Drukteinis
Patients with a diagnosis of invasive breast cancer are increasingly undergoing breast magnetic resonance imaging (MRI) for preoperative staging including evaluation of axillary lymph node metastases (ALNM). This retrospective study aims to evaluate the utility of adding axillary ultrasound (AUS) in the preoperative setting when an MRI is planned or has already been performed. This IRB approved, HIPAA compliant study reviewed a total of 271 patients with a new diagnosis of invasive breast cancer at a single institution, between June 1, 2010 and June 30, 2013...
April 10, 2017: Breast Journal
https://www.readbyqxmd.com/read/28393301/structured-reporting-of-ct%C3%A2-enterography%C3%A2-for%C3%A2-inflammatory-bowel-disease-effect-on-key-feature%C3%A2-reporting-accuracy-across-training-levels-and-subjective-assessment-of-disease-by-referring-physicians
#8
Benjamin Wildman-Tobriner, Brian C Allen, Mustafa R Bashir, Morgan Camp, Chad Miller, Lauren E Fiorillo, Alan Cubre, Sanaz Javadi, Alex D Bibbey, Wendy L Ehieli, Nancy McGreal, Reinaldo Quevedo, Julie K Thacker, Maciej Mazurowski, Tracy A Jaffe
PURPOSE: To compare the content and accuracy of structured reporting (SR) versus non-structured reporting (NSR) for computed tomographic enterography (CTE) of inflammatory bowel disease (IBD). MATERIALS AND METHODS: This IRB-approved, HIPAA-compliant, retrospective study included 30 adult subjects (15 male, 15 female; mean age 41.9 years) with IBD imaged with CTE. Nine radiologists (3 faculty, 3 abdominal imaging fellows, and 3 senior radiology residents) independently interpreted all examinations using both NSR and SR, separated by four weeks...
April 9, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28375918/mitigating-cybersecurity-risks
#9
Rachel V Rose, Joseph S Kass
Cybersecurity issues and their impact on compliance with the Health Insurance Portability and Accountability Act (HIPAA) and the Health Information Technology for Economic and Clinical Health (HITECH) Act are becoming more of an enforcement focus for a variety of government agencies, including the US Department of Health and Human Services, the Federal Trade Commission, and the Department of Justice. In the case presented in this article, a nurse in a neurology practice opted to speak with a patient about human immunodeficiency virus testing procedures in a manner audible to others in the waiting room...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28364906/use-of-redundant-arrays-of-inexpensive-disks-in-orthodontic-practice
#10
David Matthew Graham, Michael James Graham, Mel Mupparapu
In a time when orthodontists are getting away from paper charts and going digital with their patient data and imaging, practitioners need to be prepared for a potential hardware failure in their data infrastructure. Although a backup plan in accordance with the Security Rule of the Health Insurance Portability and Accountability Act (HIPAA) of 1996 may prevent data loss in case of a disaster or hard drive failure, it does little to ensure business and practice continuity. Through the implementation of a common technique used in information technology, the redundant array of inexpensive disks, a practice may continue normal operations without interruption if a hard drive fails...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28361104/discordance-in-selected-designee-for-return-of-genomic-findings-in-the-event-of-participant-death-and-estate-executor
#11
Jessie L Goodman, Laura M Amendola, Martha Horike-Pyne, Susan B Trinidad, Stephanie M Fullerton, Wylie Burke, Gail P Jarvik
BACKGROUND: Legal and ethical questions arise regarding disseminating genetic research results to family members in the event of a research participant's death; failure to return or return to legal next of kin or estate executor may not reflect participant desires. We sought to determine participant preferences for whether and to whom they would like their data released in the case of their death prior to receiving genomic results, focusing on whether the person selected was also their estate executor...
March 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28358693/a-scalable-and-pragmatic-method-for-the-safe-sharing-of-high-quality-health-data
#12
Fabian Prasser, Florian Kohlmayer, Helmut Spengler, Klaus Kuhn
The sharing of sensitive personal health data is an important aspect of biomedical research. Methods of data de-identification are often used in this process to trade the granularity of data off against privacy risks. However, traditional approaches, such as HIPAA Safe Harbor or k-anonymization, often fail to provide data with sufficient quality. Alternatively, data can be de-identified only to a degree which still allows to use it as required, e.g. to carry out specific analyses. Controlled environments, which restrict the ways recipients can interact with the data, can then be used to cope with residual risks...
March 23, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28353408/characterization-of-small-focal-renal-lesions-diagnostic-accuracy-with-single-phase-contrast-enhanced-dual-energy-ct-with-material-attenuation-analysis-compared-with-conventional-attenuation-measurements
#13
Daniele Marin, Drew Davis, Kingshuk Roy Choudhury, Bhavik Patel, Rajan T Gupta, Achille Mileto, Rendon C Nelson
Purpose To determine whether single-phase contrast material-enhanced dual-energy material attenuation analysis improves the characterization of small (1-4 cm) renal lesions compared with conventional attenuation measurements by using histopathologic analysis and follow-up imaging as the clinical reference standards. Materials and Methods In this retrospective, HIPAA-compliant, institutional review board-approved study, 136 consecutive patients (95 men and 41 women; mean age, 54 years) with 144 renal lesions (111 benign, 33 malignant) measuring 1-4 cm underwent single-energy unenhanced and contrast-enhanced dual-energy computed tomography (CT) of the abdomen...
March 28, 2017: Radiology
https://www.readbyqxmd.com/read/28352950/effect-of-threshold-growth-as-a-major-feature-on-li-rads-categorization
#14
Victoria Chernyak, Mariya Kobi, Milana Flusberg, Kate C Fruitman, Claude B Sirlin
PURPOSE: Liver Imaging Reporting and Data System (LI-RADS) uses major features (arterial phase hyperenhancement [APHE], "washout" [WO], "capsule," diameter, threshold growth [TG]) to codify probability of hepatocellular carcinoma for each observation. This study assessed the effect of removing TG as a major feature on LI-RADS categorization. MATERIALS AND METHODS: In this HIPAA-compliant, IRB-approved study, all MR and CT clinical reports containing a standardized LI-RADS v2014 template between 4/15-1/17 were retrospectively reviewed for each LR-3, LR-4, and LR-5 reported observation...
March 28, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28350807/external-validation-and-comparison-of-two-variants-of-the-elixhauser-comorbidity-measures-for-all-cause-mortality
#15
Yannick Fortin, James A G Crispo, Deborah Cohen, Douglas S McNair, Donald R Mattison, Daniel Krewski
Assessing prevalent comorbidities is a common approach in health research for identifying clinical differences between individuals. The objective of this study was to validate and compare the predictive performance of two variants of the Elixhauser comorbidity measures (ECM) for inhospital mortality at index and at 1-year in the Cerner Health Facts® (HF) U.S. DATABASE: We estimated the prevalence of select comorbidities for individuals 18 to 89 years of age who received care at Cerner contributing health facilities between 2002 and 2011 using the AHRQ (version 3...
2017: PloS One
https://www.readbyqxmd.com/read/28346073/detection-of-clinically-significant-prostate-cancer-short-dual-pulse-sequence-versus-standard-multiparametric-mr-imaging-a-multireader-study
#16
Borna K Barth, Pieter J L De Visschere, Alexander Cornelius, Carlos Nicolau, Hebert Alberto Vargas, Daniel Eberli, Olivio F Donati
Purpose To compare the diagnostic performance of a short dual-pulse sequence magnetic resonance (MR) imaging protocol versus a standard six-pulse sequence multiparametric MR imaging protocol for detection of clinically significant prostate cancer. Materials and Methods This HIPAA-compliant study was approved by the regional ethics committee. Between July 2013 and March 2015, 63 patients from a prospectively accrued study population who underwent MR imaging of the prostate including transverse T1-weighted; transverse, coronal, and sagittal T2-weighted; diffusion-weighted; and dynamic contrast material-enhanced MR imaging with a 3-T imager at a single institution were included in this retrospective study...
March 27, 2017: Radiology
https://www.readbyqxmd.com/read/28343328/skeletal-development-of-the-hand-and-wrist-digital-bone-age-companion-a-suitable-alternative-to-the-greulich-and-pyle-atlas-for-bone-age-assessment
#17
Paul M Bunch, Talissa A Altes, Joan McIlhenny, James Patrie, Cree M Gaskin
PURPOSE: To assess reader performance and subjective workflow experience when reporting bone age studies with a digital bone age reference as compared to the Greulich and Pyle atlas (G&P). We hypothesized that pediatric radiologists would achieve equivalent results with each method while digital workflow would improve speed, experience, and reporting quality. MATERIALS AND METHODS: IRB approval was obtained for this HIPAA-compliant study. Two pediatric radiologists performed research interpretations of bone age studies randomized to either the digital (Digital Bone Age Companion, Oxford University Press) or G&P method, generating reports to mimic clinical workflow...
March 25, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28343309/breast-cancer-detection-and-tumor-characteristics-in-brca1-and-brca2-mutation-carriers
#18
Julia Krammer, Katja Pinker-Domenig, Mark E Robson, Mithat Gönen, Blanca Bernard-Davila, Elizabeth A Morris, Debra A Mangino, Maxine S Jochelson
PURPOSE: To describe imaging findings, detection rates, and tumor characteristics of breast cancers in a large series of patients with BRCA1 and BRCA2 mutations to potentially streamline screening strategies. METHODS: An IRB-approved, HIPAA-compliant retrospective analysis of 496 BRCA mutation carriers diagnosed with breast carcinoma from 1999 to 2013 was performed. Institutional database and electronic medical records were reviewed for mammography and MRI imaging...
March 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28342025/social-media-physicians-to-physicians-education-and-communication
#19
EDITORIAL
Keith A Fehring, Ivan De Martino, Alexander S McLawhorn, Peter K Sculco
PURPOSE OF REVIEW: Physician to physician communication is essential for the transfer of ideas, surgical experience, and education. Social networks and online video educational contents have grown exponentially in recent years changing the interaction among physicians. RECENT FINDINGS: Social media platforms can improve physician-to-physician communication mostly through video education and social networking. There are several online video platforms for orthopedic surgery with educational content on diagnosis, treatment, outcomes, and surgical technique...
March 24, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28323377/accuracy-of-pdff-estimation-by-magnitude-based-and-complex-based-mri-in-children-with-mr-spectroscopy-as-a-reference
#20
William M Haufe, Tanya Wolfson, Catherine A Hooker, Jonathan C Hooker, Yesenia Covarrubias, Alex N Schlein, Gavin Hamilton, Michael S Middleton, Jorge E Angeles, Diego Hernando, Scott B Reeder, Jeffrey B Schwimmer, Claude B Sirlin
PURPOSE: To assess and compare the accuracy of magnitude-based magnetic resonance imaging (MRI-M) and complex-based MRI (MRI-C) for estimating hepatic proton density fat fraction (PDFF) in children, using MR spectroscopy (MRS) as the reference standard. A secondary aim was to assess the agreement between MRI-M and MRI-C. MATERIALS AND METHODS: This was a HIPAA-compliant, retrospective analysis of data collected in children enrolled in prospective, Institutional Review Board (IRB)-approved studies between 2012 and 2014...
March 21, 2017: Journal of Magnetic Resonance Imaging: JMRI
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