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Emergency CT imaging

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https://www.readbyqxmd.com/read/29774195/development-of-delayed-acute-subdural-hematoma-after-mild-traumatic-brain-injury-a-case-report
#1
Soon O Hong, Dong Soo Kang, Min Ho Kong, Se Youn Jang, Jung Hee Kim, Kwan Young Song
We report a case involving the development of a delayed acute subdural hematoma (ASDH) after trauma, with the absence of any abnormal radiological and clinical findings at initial examination. A 54-year-old male visited the emergency department after a minor trauma. The patient only complained of mild headache after head injury. He presented no abnormal findings on neurological examination, and brain computed tomography (CT) did not show any intracranial lesion or skull fractures. However, he developed seizure with disorientation eight hours after trauma, and ASDH with midline shift was found during a follow-up CT...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773569/mobile-stroke-unit-reduces-time-to-image-acquisition-and-reporting
#2
E M Nyberg, J R Cox, R G Kowalski, D V Duarte, B Schimpf, W J Jones
Timely administration of thrombolytic therapy is critical to maximizing the likelihood of favorable outcomes in patients with acute ischemic stroke. Although emergency medical service activation overall improves the timeliness of acute stroke treatment, the time from emergency medical service dispatch to hospital arrival unavoidably decreases the timeliness of thrombolytic administration. Our mobile stroke unit, a new-generation ambulance with on-board CT scanning capability, reduces key imaging time metrics and facilitates in-the-field delivery of IV thrombolytic therapy...
May 17, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29769153/point-of-care-ultrasound-to-diagnose-appendicitis-in-a-canadian-emergency-department
#3
Sameer Sharif, Steven Skitch, Dean Vlahaki, Andrew Healey
OBJECTIVES: Appendicitis is a common surgical condition that frequently requires diagnostic imaging. Abdominal computed tomography (CT) is the gold standard for diagnosing appendicitis. Ultrasound offers a radiation-free modality; however, its availability outside business hours is limited in many emergency departments (EDs). The purpose of this study is to evaluate the test characteristics of emergency physician-performed point-of-care ultrasound (POCUS) to diagnose appendicitis in a Canadian ED...
May 17, 2018: CJEM
https://www.readbyqxmd.com/read/29760845/ruling-out-pulmonary-embolism-in-patients-with-high-pretest-probability
#4
Murtaza Akhter, Jeffrey Kline, Bikash Bhattarai, Mark Courtney, Christopher Kabrhel
Introduction: The American College of Emergency Physicians guidelines recommend more aggressive workup beyond imaging alone in patients with a high pretest probability (PTP) of pulmonary embolism (PE). However, the ability of multiple tests to safely rule out PE in high PTP patients is not known. We sought to measure the ability of negative computed tomography pulmonary angiography (CTPA) along with negative D-dimer to rule out PE in these high-risk patients. Methods: We analyzed data from a previous prospective observational study conducted in 12 emergency departments (ED)...
May 2018: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29758582/-relevance-of-mri-after-closed-reduction-of-traumatic-hip-dislocation-in-children
#5
Christoph Mauritz Strüwind, Christian von Rüden, Andreas Thannheimer, Volker Bühren, Dorien Schneidmueller
BACKGROUND: Traumatic hip dislocation in children and adolescents is a rare entity that typically results from high-energy trauma. After closed joint reduction, further treatment depends on the specific pattern of the lesion as identified using cross sectional imaging. The aim of this retrospective analysis was to evaluate relevant side effects after traumatic hip dislocation in children and adolescents in order to examine the need for focused diagnostics. PATIENTS/MATERIAL AND METHODS: This retrospective analysis covered 8 adolescents under 18 years suffering isolated traumatic hip joint dislocation between 2001 and 2017...
May 14, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29757717/radiographic-and-ct-features-of-viral-pneumonia
#6
Hyun Jung Koo, Soyeoun Lim, Jooae Choe, Sang-Ho Choi, Heungsup Sung, Kyung-Hyun Do
Viruses are the most common causes of respiratory infection. The imaging findings of viral pneumonia are diverse and overlap with those of other nonviral infectious and inflammatory conditions. However, identification of the underlying viral pathogens may not always be easy. There are a number of indicators for identifying viral pathogens on the basis of imaging patterns, which are associated with the pathogenesis of viral infections. Viruses in the same viral family share a similar pathogenesis of pneumonia, and the imaging patterns have distinguishable characteristics...
May 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29754963/predictors-of-a-drainable-suppurative-adenitis-among-children-presenting-with-cervical-adenopathy
#7
Amir A Kimia, Tiffany F Rudloe, Nadine Aprahamian, Jennifer McNamara, David Roberson, Assaf Landschaft, Jennifer Vaughn, Marvin B Harper
OBJECTIVES: We sought to identify predictors for a drainable suppurative adenitis [DSA] among patients presenting with acute cervical lymphadenitis. METHODS: A retrospective cross sectional study of all patients admitted to an urban pediatric tertiary care emergency department over a 15 year period. Otherwise healthy patients who underwent imaging for an evaluation of cervical lymphadenitis were included. Cases were identified using a text-search module followed by manual review...
May 5, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29753518/application-of-the-canadian-computed-tomography-head-rule-to-patients-with-minimal-head-injury
#8
Kevin Davey, Turandot Saul, Geoffrey Russel, Jonathan Wassermann, Joshua Quaas
STUDY OBJECTIVE: Two clinical decision rules, the Canadian CT Head Rule and the New Orleans Criteria, set the standard to guide clinicians in determining which patients with minor head trauma need computed tomography (CT) imaging. Both rules were derived with patients with minor head injury who had had a loss of consciousness or witnessed disorientation. No evidence exists for evaluating patients and need for CT imaging with minimal head injury; that is, patients who had a head injury but no loss of consciousness or disorientation and therefore would have been excluded from the Canadian CT Head Rule and New Orleans Criteria trials...
May 9, 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29752489/cerebral-venous-thrombosis-state-of-the-art-diagnosis-and-management
#9
REVIEW
Adam A Dmytriw, Jin Soo A Song, Eugene Yu, Colin S Poon
PURPOSE: This review article aims to discuss the pathophysiology, clinical presentation, and neuroimaging of cerebral venous thrombosis (CVT). Different approaches for diagnosis of CVT, including CT/CTV, MRI/MRV, and US will be discussed and the reader will become acquainted with imaging findings as well as limitations of each modality. Lastly, this exhibit will review the standard of care for CVT treatment and emerging endovascular options. METHODS: A literature search using PubMed and the MEDLINE subengine was completed using the terms "cerebral venous thrombosis," "stroke," and "imaging...
May 11, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29749916/image-guidance-and-improved-accuracy-of-external-ventricular-drain-tip-position-particularly-in-patients-with-small-ventricles
#10
Anan Shtaya, Joy Roach, Ahmed-Ramadan Sadek, Benjamin Gaastra, Jonathan Hempenstall, Diederik Bulters
OBJECTIVE External ventricular drain (EVD) insertion is one of the most common emergency neurosurgical procedures. EVDs are traditionally inserted freehand (FH) in an emergency setting, but often result in suboptimal positioning. Image-guided surgery (IGS) is selectively used to assist placement. However, the accuracy and practicality of IGS use is yet to be reported. In this study, the authors set out to assess if IGS is practical and improves the accuracy of EVD placement. METHODS Case notes and images obtained in patients who underwent frontal EVD placement were retrospectively reviewed...
May 11, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29738026/posterior-reversible-leukoencephalopathy-syndrome-pres-after-kidney-transplantation-a-case-report
#11
Carla Beatriz Davi, Bruna Pinheiro de Moraes, Bruno Fontes Lichtenfels, João Batista Saldanha de Castro Filho, Marcelle Maria Portal, Rosangela Munhoz Montenegro, Roberto Ceratti Manfro
INTRODUCTION: Posterior reversible leukoencephalopathy syndrome (PRES) was first described by Hinchey in 1996. The syndrome is characterized by altered level of consciousness, headache, visual changes, and seizures associated with a vasogenic edema of the white matter that occurs predominantly in the occipital and parietal lobes. Imaging tests such as computed tomography (CT) and especially magnetic resonance imaging (MRI) support the diagnosis. CASE REPORT: We report a case of a 48-year-old female patient who underwent a deceased donor kidney transplant and received tacrolimus as a part of the immunosuppressive regimen...
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29737598/-blind-pericardiocentesis-a-comparison-of-different-puncture-directions
#12
Nils Petri, Babett Ertel, Tobias Gassenmaier, Björn Lengenfelder, Thorsten A Bley, Wolfram Voelker
BACKGROUND: "Blind" pericardiocentesis is the standard procedure for emergency pericardial drainage when ultrasound guidance is unavailable. Under these circumstances, puncture site and needle direction are exclusively oriented according to certain anatomic landmarks. In the literature, different techniques for this "blind" method have been described. Goal of this retrospective study was to compare the potential success and complication rate of 13 simulated puncture directions...
May 8, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29736159/consensus-statements-by-korean-society-of-interventional-neuroradiology-and-korean-stroke-society-hyperacute-endovascular-treatment-workflow-to-reduce-door-to-reperfusion-time
#13
Dae-Hyun Kim, Byungjun Kim, Cheolkyu Jung, Hyo Suk Nam, Jin Soo Lee, Jin Woo Kim, Woong Jae Lee, Woo-Keun Seo, Ji-Hoe Heo, Seung Kug Baik, Byung Moon Kim, Joung-Ho Rha
Recent clinical trials demonstrated the clinical benefit of endovascular treatment (EVT) in patients with acute ischemic stroke due to large vessel occlusion. These trials confirmed that good outcome after EVT depends on the time interval from symptom onset to reperfusion and that in-hospital delay leads to poor clinical outcome. However, there has been no universally accepted in-hospital workflow and performance benchmark for rapid reperfusion. Additionally, wide variety in workflow for EVT is present between each stroke centers...
May 7, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29732519/comprehensive-assessment-of-takotsubo-cardiomyopathy-by-cardiac-computed-tomography
#14
Daisuke Sueta, Seitaro Oda, Yasuhiro Izumiya, Koichi Kaikita, Masafumi Kidoh, Daisuke Utsunomiya, Yasuyuki Yamashita, Kenichi Tsujita
Cardiac computed tomography (CT) now plays an important role in emergency settings because of its accessibility and fast acquisition time, which cardiac magnetic resonance imaging (CMR) cannot match. Although cardiac CT was originally conceived for the assessment of the coronary artery tree, it has evolved to embrace several non-coronary applications. These include myocardial assessment, resulting in myocardial characterization comparable with that of CMR and cardiac CT for late enhancement imaging. In this report, we describe a patient with takotsubo cardiomyopathy who underwent a comprehensive assessment using cardiac CT...
May 7, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29729543/craniotomy-for-subdural-hematoma-after-deep-brain-stimulation-surgery-outcomes-and-satisfaction-in-a-case-series-of-two-patients
#15
Gordon Mao, Michael J Gigliotti, Cindy Angle, Donald Whiting, Nestor Tomycz
OBJECTIVE: To determine whether salvage of DBS hardware is beneficial for Parkinson's Disease (PD) patients by looking at follow-up patient's outcomes and satisfaction after their craniotomy operation. PATIENTS AND METHODS: This was a retrospective review of a prospective, single-center deep brain stimulation (DBS) database between 2002-2016 identifying patients with PD who developed subdural hematomas (SDH) due to trauma after their DBS surgery. Of the 636 DBS cases that were performed, 3 PD-DBS patients with significant traumatic SDH managed via craniotomy were identified...
April 27, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29727255/hairpulling-causing-vision-loss-a-case-report
#16
Sidharth Puri, Sarah Madison Duff, Brett Mueller, Mark Prendes, Jeremy Clark
Subperiosteal extension of a subgaleal hematoma (SGH) to the orbit is a reported, but rare complication of trauma. This report details a 13-year-old African-American male who originally presented to the emergency department after trauma with headache and was found on CT imaging to have a contained subgaleal hemorrhage. He presented 2 days later with increased pain and proptosis of the left eye with findings of decreased visual acuity, elevated intraocular pressure, proptosis, and complete external ophthalmoplegia...
May 4, 2018: Orbit
https://www.readbyqxmd.com/read/29724803/pharmacology-part-2-introduction-to-pharmacokinetics
#17
Geoffrey M Currie
Pharmacology principles provide key understanding that underpins the clinical and research roles of nuclear medicine practitioners. This article is the second in a series of articles that aims to enhance the understanding of pharmacological principles relevant to nuclear medicine. This article will build on the introductory concepts, terminology and principles of pharmacodynamics explored in the first article in the series. Specifically, this article will focus on the basic principles associated with pharmacokinetics...
May 3, 2018: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29724625/downstream-imaging-utilization-after-mr-angiography-versus-ct-angiography-for-the-initial-evaluation-of-pulmonary-embolism
#18
Michael D Repplinger, Rebecca L Bracken, Brian W Patterson, Manish N Shah, Michael S Pulia, John B Harringa, Mark L Schiebler, Scott K Nagle
OBJECTIVE: To compare the proportion of emergency department (ED) patients who undergo subsequent chest CT or MR within 1 year of an initially negative scan for pulmonary embolism (PE). METHODS: This single-center, retrospective, observational study examined the use of chest CT or MR for ED patients with MR angiography (MRA) negative for PE during April 2008 to March 2013. We compared the 1-year scan utilization for these cases to an age- and sex-matched cohort of patients who underwent CT angiography (CTA)...
April 30, 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29722886/usefulness-of-routine-computed-tomography-in-the-evaluation-of-penetrating-war-injuries-to-the-chest
#19
Bassam Darwish, Mohammad Z Mahfouz, Mohammad Bashar Izzat
OBJECTIVES: This review was conducted to compare the contributions of chest X-ray (CXR) and computed tomography (CT) towards detecting intrathoracic damage in patients with penetrating war injuries to the chest and to determine whether identification of additional injuries by chest CT will have an impact on the choice of therapeutic interventions and clinical outcomes. METHODS: We reviewed records of 449 patients (374 men, mean age 29.3 ± 14.8 years) who were admitted to our hospital with penetrating war injuries to the chest over a 7-year period...
May 2, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29721320/accuracy-of-the-first-interpretation-of-early-brain-ct-images-for-predicting-the-prognosis-of-post-cardiac-arrest-syndrome-patients-at-the-emergency-department
#20
Mitsuaki Nishikimi, Takayuki Ogura, Kota Matsui, Kunihiko Takahashi, Kenji Fukaya, Keibun Liu, Hideo Morita, Mitsunobu Nakamura, Shigeyuki Matsui, Naoyuki Matsuda
Background: Early brain CT is one of the most useful tools for estimating the prognosis in patients with post-cardiac arrest syndrome (PCAS) at the emergency department (ED). The aim of this study was to evaluate the prognosis-prediction accuracy of the emergency physicians' interpretation of the findings on early brain CT in PCAS patients treated by targeted temperature management (TTM). Methods: This was a double-center, retrospective, observational study. Eligible subjects were cardiac arrest patients admitted to the intensive care unit (ICU) for TTM between April 2011 and March 2017...
2018: Journal of Intensive Care
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