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Emergency Radiology

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https://www.readbyqxmd.com/read/27915393/role-of-prothrombin-complex-concentrate-pcc-in-acute-intracerebral-hemorrhage-with-positive-cta-spot-sign-an-institutional-experience-at-a-regional-and-state-designated-stroke-center
#1
Razia Rehmani, Angela Han, Jawaad Hassan, Jeffrey Farkas
PURPOSE: Our objective is to identify the effect of prothrombin complex concentrate (PCC) in acute intracranial hemorrhage (ICH) by evaluating intraparenchymal hematoma expansion between initial and follow-up head CT at 5-24 h, in those with positive CTA spot sign (CTASS). CTASS is an independent predictor of hematoma growth (1). Acute ICH, regardless of etiology, can present with quick mental status decline often resulting in irreversible brain damage. Hematoma expansion appears to be a modifiable predictor of clinical outcome and an appropriate target for medical therapy...
December 3, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27909929/signal-to-noise-ratio-and-dose-to-the-lens-of-the-eye-for-computed-tomography-examination-of-the-brain-using-an-automatic-tube-current-modulation-system
#2
Supawitoo Sookpeng, Chitsanupong Butdee
PURPOSE: The study aimed to evaluate the image quality in terms of signal-to-noise ratio (SNR) and dose to the lens of the eye and the other nearby organs from the CT brain scan using an automatic tube current modulation (ATCM) system with or without CT gantry tilt is needed. METHODS: An anthropomorphic phantom was scanned with different settings including use of different ATCM, fixed tube current time product (mAs) settings and degree angles of gantry tilt. Gafchromic film XR-QA2 was used to measure absorbed dose of the organs...
December 2, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27896450/extremity-cta-for-penetrating-trauma-10-year-experience-using-a-64-detector-row-ct-scanner
#3
Charles G Colip, Varun Gorantla, Christina A LeBedis, Jorge A Soto, Stephan W Anderson
PURPOSE: The purpose of this study is to assess the performance of CT angiography (CTA) in the evaluation of penetrating vascular trauma to the extremities in a large cohort of patients at our level I trauma center. METHODS: A retrospective, IRB-approved review of consecutive CTAs for the evaluation of penetrating trauma to the extremities in 446 patients (M/F = 396:50, mean age = 27 years) from 1/1/2005 to 5/1/2015 was performed. Medical records were reviewed to correlate diagnostic imaging findings with clinical history and subsequent interventions...
November 29, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27891553/core-curriculum-illustration-dural-venous-sinus-thrombosis
#4
Sibi Rajendran, Alex Pereira, Morgan Eckerd, Barbara Pawley
This is the 25th installment of a series that will highlight one case per publication issue from the bank of cases available online as a part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for study online at http://www.aseronline.org/curriculum/toc.htm .
November 28, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27885441/bayesian-comparative-assessment-of-diagnostic-accuracy-of-low-dose-ct-scan-and-ultrasonography-in-the-diagnosis-of-urolithiasis-after-the-application-of-the-stone-score
#5
Laila Cochon, Jeffrey Smith, Amado Alejandro Baez
OBJECTIVE: The objective of our study was to assess the diagnostic quality of low-dose computed tomography (CT) when compared to ultrasound (US) in diagnosis of urolithiasis using STONE score as a predictor of pre-test probability and the Bayesian statistical model to calculate post-test probabilities (POST) for both diagnostic tests. METHODS: STONE score was used to form risk groups to obtain pre-test probabilities. Likelihood ratios (LR) were calculated from external data for low-dose CT and US...
November 25, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27878404/inter-rater-agreement-between-trained-emergency-medicine-residents-and-radiologists-in-the-examination-of-gallbladder-and-common-bile-duct-by-ultrasonography
#6
Javad Seyedhosseini, Azade Nasrelari, Narges Mohammadrezaei, Ehsan Karimialavijeh
STUDY OBJECTIVES: Bedside emergency ultrasonograAmerican Society of Emergency Radiologyphy is a rapid diagnostic tool in the emergency department (ED). Nevertheless, the learning curve for ultrasound (US) training in various indications has to date not been clearly defined. The aim of the present study was to assess how much a short specialized training program in hepatobiliary US might impact the skills of novice emergency medicine residents. METHODS: This was a prospective observational study conducted at a university-affiliated ED from May 2014 to January 2015...
November 22, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27864636/do-early-postoperative-ct-findings-following-type-a-aortic-dissection-repair-predict-early-clinical-outcome
#7
Linda C Chu, Joel Price, Allen Young, Duke E Cameron, Elliot K Fishman
PURPOSE: The purposes of this study are to determine the prevalence of specific postoperative CT findings following Stanford type A aortic dissection repair in the early postoperative period and to determine if these postoperative findings are predictive of adverse clinical outcome. METHODS: Patients who underwent type A dissection repair between January 2012 and December 2014 were identified from our institutional cardiac surgery database. Postoperative CT exams within 1 month of surgery were retrospectively reviewed to determine sizes and attenuation of mediastinal, pericardial, and pleural fluid, and the presence or absence of pneumomediastinum, pneumothorax, or lung consolidation...
November 18, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27858233/utility-of-contemporaneous-dual-read-in-the-setting-of-emergency-teleradiology-reporting
#8
Anjali Agrawal, D B Koundinya, Jayadeepa Srinivas Raju, Anurag Agrawal, Arjun Kalyanpur
PURPOSE: Emergency radiology requires rapid and accurate interpretation of imaging examinations. Missed findings may lead to adverse outcomes. Double reporting may be used to minimize errors. Limited contemporaneous double reporting may be most efficient and cost-effective, but no data exists. This study is intended to examine the benefits of double reading and identify examinations where this would be most useful. METHODS: In this study, dual reporting was conducted in a parallel reading environment in a teleradiology practice for 3779 radiological procedures performed at two radiology centers in the USA over a period of 4 months...
November 18, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27853972/imaging-in-viral-infections-of-the-central-nervous-system-can-images-speak-for-an-acutely-ill-brain
#9
Vijetha Vinod Maller, Girish Bathla, Toshio Moritani, Kathleen J Helton
Viral infections involving the central nervous system (CNS) may result from a wide variety of agents and have clinically overlapping manifestations. The diagnosis is often made based on a combination of the clinical exam, local epidemiology, imaging, and biochemical findings. Despite the advances in medicine and imaging, the diagnosis often remains elusive. Imaging, however, still plays a vital role in suggesting the diagnosis in typical cases, excluding potential mimics, and in evaluating changes with therapy...
November 16, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27832341/non-accidental-trauma-the-role-of-radiology
#10
Cory M Pfeifer, Matthew R Hammer, Kate L Mangona, Timothy N Booth
Non-accidental trauma is a significant source of morbidity and mortality in the pediatric population. Given the vulnerable state of the child, the radiologist can often provide valuable diagnostic information in the setting of suspected abuse. This review focuses on common findings of abusive trauma and serves as a guide to aid in clinical decision-making for providers of emergency medicine and pediatrics. Amid this discussion is an assessment of modern controversies regarding reported mimicking pathologies, recapitulation of the current state of evidence with respect to radiologic findings of abuse, and examination of the contribution that spine imaging may add to the diagnosis of possible abusive head trauma in the acutely injured child...
November 10, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27830346/acute-traumatic-intraosseous-fluid-sign-predisposes-to-dynamic-fracture-mobility
#11
Troy A Hutchins, Richard H Wiggins, Jill M Stein, Lubdha M Shah
The intraosseous fluid sign (IFS) in chronic osteoporotic vertebral fractures is attributed to fluid accumulation within non-healing intervertebral clefts. IFS can also be seen in acute traumatic fractures, not previously described. We hypothesize a pathophysiological mechanism for the acute traumatic intraosseous fluid sign (ATIFS) and its predisposition to dynamic fracture mobility with axial loading on upright radiographs. Retrospective analysis was performed of 41 acute thoracic and lumbar compression or stable burst fractures with both supine CT and upright plain films completed within 1 week of each other...
November 10, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27830345/subperiosteal-new-bone-and-callus-formations-in-neonates-with-femoral-shaft-fracture-at-birth
#12
Takahiro Hosokawa, Yoshitake Yamada, Yumiko Sato, Yutaka Tanami, Eiji Oguma
To compare the timing of subperiosteal new bone formation (SPNBF) and callus formation in femoral shaft fractures that occurred at birth between neonates with and without an underlying disease, we retrospectively evaluated the radiographs of 12 neonates with femoral fractures on birth day. Seven had no underlying disease, 3 had osteogenesis imperfecta, 1 had myotonic dystrophy, and 1 had arthrogryposis. We evaluated the timing of initial SPNBF/soft callus/hard callus formation. In neonates without an underlying disease, SPNBF and callus formation were not detected by day 6 on radiographs; SPNBF/soft callus/hard callus formation was first observed at day 14...
November 9, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27819124/recognition-of-our-outstanding-reviewers
#13
(no author information available yet)
No abstract text is available yet for this article.
November 7, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27815648/small-bowel-diverticulitis-an-imaging-review-of-an-uncommon-entity
#14
Darren L Transue, Tarek N Hanna, Haris Shekhani, Saurabh Rohatgi, Faisal Khosa, Jamlik-Omari Johnson
In this review, we discuss the clinical and radiologic findings of small bowel diverticulosis, which is infrequently encountered during practice and far less common than colonic diverticulosis. Small bowel diverticulosis can present with a range of emergent symptomatic complications including diverticulitis, perforation, or hemorrhage. Here, we focus on the clinical features, pathogenesis, radiologic findings, and treatment of small bowel diverticulitis. Although not routinely considered in the differential diagnosis of an acute abdomen, prospective radiologic diagnosis of small bowel diverticulitis is important and can lead to conservative treatment thus preventing unnecessary exploratory laparotomy...
November 4, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27807654/gallbladder-opacification-on-gadoxetate-disodium-enhanced-ct-scan
#15
Adib R Karam, Eduardo Scortegagna, Byron Y Chen, Carolyn S Dupuis, Dennis D Coughlin
This study aimed to evaluate the radiologist's ability to identify excreted gadoxetate disodium within the gallbladder on CT scan. Thirty three healthy adults underwent imaging of the liver during work-up for potential liver donation. Three patients had undergone prior cholecystectomy and therefore were excluded. Imaging consisted of gadoxetate disodium-enhanced magnetic resonance cholangiography (MRC) and multiphase contrast-enhanced CT scan of the abdomen and pelvis. Two fellowship-trained abdominal imaging radiologists, who were blinded to the MRC images and the contrast agent used during MRC, independently reviewed the CT scans of the 30 patients that were included...
November 2, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27785614/core-curriculum-illustration-rib-fractures
#16
Gregor M Dunham, Alexandre Perez-Girbes, Ken F Linnau
This is the 24th installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at http://www.aseronline.org/curriculum/toc.htm .
October 26, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27785613/scientific-educational-abstracts-and-case-of-the-day-presented-at-the-aser-2016-annual-scientific-meeting-and-postgraduate-course-september-14-17-san-francisco-california
#17
(no author information available yet)
No abstract text is available yet for this article.
October 26, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27778114/aser-core-curriculum-illustration-project-aortic-intramural-hematoma-imh
#18
Alexandre Perez-Girbes, Gregor M Dunham, Ken F Linnau
This is the installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at http://www.aseronline.org/curriculum/toc.htm .
October 24, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27770319/efficacy-of-model-based-iterative-reconstruction-technique-in-non-enhanced-ct-of-the-renal-tracts-for-ureteric-calculi
#19
T J Tan, Kenneth K Lau, Dana Jackson, Nicholas Ardley, Adina Borasu
The purpose of this study was to assess the efficacy of model-based iterative reconstruction (MBIR), statistical iterative reconstruction (SIR), and filtered back projection (FBP) image reconstruction algorithms in the delineation of ureters and overall image quality on non-enhanced computed tomography of the renal tracts (NECT-KUB). This was a prospective study of 40 adult patients who underwent NECT-KUB for investigation of ureteric colic. Images were reconstructed using FBP, SIR, and MBIR techniques and individually and randomly assessed by two blinded radiologists...
October 21, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27761673/detection-of-unsuspected-pelvic-dvts-on-abdominopelvic-ct-scans-a-potentially-life-saving-diagnosis
#20
Mougnyan Cox, Manisha Patel, Zhenteng Li, Sarah Kamel, Sandeep Deshmukh, Christopher Roth, Laurence Needleman
Venous thromboembolism (VTE) is a serious common disorder with substantial cost and morbidity to society and can be life threatening in some cases. The majority of VTE is diagnosed on lower extremity ultrasound or CT pulmonary angiography, but some cases of deep venous thrombosis (DVT) may be occasionally diagnosed on CT of the abdomen and pelvis by the alert radiologist. The purpose of our study was to determine the fraction of new/unsuspected DVTs diagnosed on CTAP and the subsequent management and clinical course of these patients...
October 19, 2016: Emergency Radiology
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