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https://www.readbyqxmd.com/read/29777451/telemedicine-based-system-for-quality-management-and-peer-review-in-radiology
#1
Sergey Morozov, Ekaterina Guseva, Natalya Ledikhova, Anton Vladzymyrskyy, Dmitry Safronov
OBJECTIVES: Quality assurance is the key component of modern radiology. A telemedicine-based quality assurance system helps to overcome the "scoring" approach and makes the quality control more accessible and objective. METHODS: A concept for quality assurance in radiology is developed. Its realization is a set of strategies, actions, and tools. The latter is based on telemedicine-based peer review of 23,199 computed tomography (CT) and magnetic resonance imaging (MRI) images...
May 18, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29777140/different-responses-of-left-atrium-and-left-atrial-appendage-to-radiofrequency-catheter-ablation-of-atrial-fibrillation-a-follow-up-mri-study
#2
Yun Gi Kim, Jaemin Shim, Suk-Kyu Oh, Hee-Soon Park, Kwang-No Lee, Sung Ho Hwang, Jong-Il Choi, Young-Hoon Kim
Atrial fibrillation (AF) is known to cause adverse remodeling of left atrium (LA). Radiofrequency catheter ablation (RFCA) of AF is associated with decrease in LA volume. However, the impact of RFCA on left atrial appendage (LAA) volume and hemodynamic function is not fully understood. We analyzed 123 patients who underwent cardiac magnetic resonance imaging (MRI) evaluation before and after RFCA in Korea University Anam Hospital. LA and LAA volume were measured before and after RFCA based on cardiac MRI. Baseline LA volume was 99...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29774873/-application-of-intraoperative-mri-combined-with-neuronavigation-in-microsurgical-resection-for-insular-glioma
#3
Quanwei Zhou, Li Xia, Kejun He, Sheng Yan, Xiaoping Xu, Xixi Li, Zhengsong Huang, Nu Zhang
To evaluate the value of intraoperative magnetic resonance imaging (iMRI) combined with neuronavigation for the resection of insular gliomas.
 Methods: From August 2014 to October 2017 in the First Hospital Affiliated to Sun Yat-sen University, clinical data of 41 patients with insular glioma, who underwent the surgery assisted with 3.0T iMRI and neuronavigation, were analyzed retrospectively, and the resection extent, complications and prognosis were evaluated.
 Results: Subtotal tumor resection was achieved in 21 patients and partial resection was done in 20 after iMRI scanning...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774783/connecting-the-dots-an-association-between-opioids-and-acute-hippocampal-injury
#4
Jed A Barash, W Andrew Kofke
Acute hippocampal injury represents a relatively rare cause of amnesia. Interestingly however, between 2012 and 2017, 18 patients were reported at hospitals in Massachusetts with sudden-onset amnesia in the setting of complete diffusion-weighted hyperintensity of both hippocampi on magnetic resonance imaging. Notably, 17 of the 18 patients tested positive for opioids or had a recorded history of opioid use. This observation suggests an association between opioids and acute hippocampal injury. With particular attention to the Massachusetts cluster and data on fentanyl and its congeners, the epidemiological and pathophysiological evidence that supports this hypothesis is presented, as are potential underlying mechanisms...
May 18, 2018: Neurocase
https://www.readbyqxmd.com/read/29774198/a-rare-cause-of-thoracic-spinal-cord-compression-by-multiple-large-tarlov-cysts
#5
Ahmed-Salem Kleib, Sidi-Mohamed Salihy, Hussein Hamdi, Romain Carron, Outouma Soumaré
Spinal extradural arachnoid cyst (SEAC) is a rare cause of spinal cord compression. Bifocal location of thoracic and sacral SEACs is rarely reported in the literature. We report a case of thoracic spinal cord compression by SEAC associated with asymptomatic multiple sacral Tarlov cysts (TC). The surgical management and postoperative outcome of the patient are discussed. A 34-year-old woman was referred to the hospital for acute thoracic pain with a history of chronic long-standing back pain. She complained of walking difficulties...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773485/pregnancy-after-heterotopic-heart-transplant-removal
#6
S Churchill, L de Lloyd, H C Francis, H Wallis
Heterotopic heart transplants were introduced in 1974. The technique allows the patient's native heart to be preserved in situ, alongside the transplanted heterotopic donor heart (Newcomb et al., 2004). We present the case of a nulliparous woman who underwent heterotopic heart transplant in infancy, and subsequent explantation of the donor heart eleven years later, when her native heart function recovered. In adulthood the patient attended pre-pregnancy counselling and was awaiting cardiac magnetic resonance imaging when she presented pregnant at 6 weeks-of-gestation...
April 24, 2018: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29772614/-a-case-of-retroperitoneal-liposarcoma-in-which-magnetic-resonance-imaging-was-useful-in-the-decision-of-resection-of-primary-and-recurrenttumors
#7
Sohei Kuribayashi, Yasutomo Nakai, Hirotaka Tsuji, Satoru Yumiba, Koji Hatano, Masashi Nakayama, Kenichi Kakimoto, Chiaki Kubo, Kazuo Nishimura
A 47-year-old female was referred to our hospital because of retroperitoneal tumor which was detected by computer tomography (CT). Since the tumor was considered to be benign by magnetic resonance imaging (MRI), she was followed by MRI every 3 months. The site of the tumor was gradually increased, and 15 months after presentation, a lesion with high signal intensity on diffusion weighted image (DWI) appeared in the tumor. At that time, we performed tumor resection considering the tumor to be malignant. Pathological diagnosis was dedifferentiated liposarcoma...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29771705/the-causality-nexus-between-the-tako-tsubo-syndrome-and-an-assault-a-forensic-case-report
#8
Malek Zribi, Syrine Azza Manoubi, Narjes Karray, Salma Charfeddine, Wiem Benamar, Zouhir Hammami, Samir Kammoun, Samir Maatoug
"Tako-tsubo" cardiomyopathy, also known as "broken heart syndrome," is one of the rarest types of stress-induced cardiomyopathy. It frequently mimics acute coronary syndrome, characterized by transient left ventricular dysfunction, electrocardiographic changes, and release of myocardial enzymes. After treatment, the patients are cured in most cases without sequelae. Tako-tsubo syndrome is rarely considered as a reason for consultation in the forensic department.Herein, we report a case of a 68-year-old woman who was assaulted by her police officer neighbor...
May 4, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29771591/case-study-developing-an-in-house-magnetic-resonance-imaging-maintenance-program
#9
Mark R Asbil, Bernard Boland, Martin Dussault, Wendy Rabbie, Marie-Ange Janvier, Y Rachel Zhang, Kim Greenwood
In 2015, the Children's Hospital of Eastern Ontario (CHEO) developed an in-house magnetic resonance imaging service team. Within two years, the team achieved substantial savings in operational costs, generated new revenue, improved uptime and response time, and improved customer satisfaction within the hospital. Through careful planning and collaboration, the Clinical Engineering Department at CHEO was able to bring imaging services in house successfully, demonstrating improvements over historical original equipment manufacturer performance thresholds...
May 2018: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/29770729/group-sequential-designs-for-negative-binomial-outcomes
#10
Tobias Mütze, Ekkehard Glimm, Heinz Schmidli, Tim Friede
Count data and recurrent events in clinical trials, such as the number of lesions in magnetic resonance imaging in multiple sclerosis, the number of relapses in multiple sclerosis, the number of hospitalizations in heart failure, and the number of exacerbations in asthma or in chronic obstructive pulmonary disease (COPD) are often modeled by negative binomial distributions. In this manuscript, we study planning and analyzing clinical trials with group sequential designs for negative binomial outcomes. We propose a group sequential testing procedure for negative binomial outcomes based on Wald statistics using maximum likelihood estimators...
January 1, 2018: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29770267/role-of-noninvasive-imaging-of-cerebral-arterial-system-in-ischemic-stroke-comparison-of-transcranial-color-coded-doppler-sonography-with-magnetic-resonance-angiography
#11
Betty Simon, Sunithi Elizabeth Mani, Shyamkumar Nidugala Keshava, Mathew Alexander, Sanjith Aaron
Aim: To determine the accuracy of transcranial color-coded Doppler sonography (TCCS) in the evaluation of cerebral arterial system in patients with ischemic stroke attending a tertiary care hospital in South India. Objectives: (1) To describe the topographical distribution of atherosclerotic lesions in the cerebral circulation in patients presenting with ischemic stroke from the Indian subcontinent and (2) to determine the accuracy of TCCS for detection and quantification of intracranial stenoses in various segments of the intracerebral arterial system in comparison with magnetic resonance angiography (MRA)...
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29768378/cerebral-infarction-as-initial-presentation-in-stress-cardiomyopathy-case-report-and-literature-review
#12
Qiongying Wang, Heng Yu, Cheng Jiang, Runmin Sun, Miaomiao Qi, Shougang Sun, Guangli Xu, Hongbin Cai, Zhenchang Zhang, Feng Zhao, Xiaoqing Kou, Jing Yu, Feng Bai
RATIONALE: The typical symptoms of stress cardiomyopathy include sudden-onset chest pain and breathlessness or collapse as well as classical symptoms of cardiovascular disease; however, rare reports have described nervous system symptoms as the initial manifestation. Here, we report the case of a young man who presented with a large cerebral infarction as the main clinical symptom of stress cardiomyopathy to increase recognition of the disease. PATIENT CONCERNS: A 28-year-old man was admitted to our hospital for sudden-onset weakness of the right limbs and unconsciousness for 1 day...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29764898/clinical-presentation-and-outcome-in-a-contemporary-cohort-of-patients-with-acute-myocarditis-the-multicenter-lombardy-registry
#13
Enrico Ammirati, Manlio Cipriani, Claudio Moro, Claudia Raineri, Daniela Pini, Paola Sormani, Riccardo Mantovani, Marisa Varrenti, Patrizia Pedrotti, Cristina Conca, Antonio Mafrici, Aurelia Grosu, Daniele Briguglia, Silvia Guglielmetto, Giovanni Battista Perego, Stefania Colombo, Salvatore Ivan Caico, Cristina Giannattasio, Alberto Maestroni, Valentina Carubelli, Marco Metra, Carlo Lombardi, Jeness Campodonico, Piergiuseppe Agostoni, Giovanni Peretto, Laura Scelsi, Annalisa Turco, Giuseppe Di Tano, Carlo Campana, Armando Belloni, Fabrizio Morandi, Andrea Mortara, Antonio Cirò, Michele Senni, Antonello Gavazzi, Maria Frigerio, Fabrizio Oliva, Paolo G Camici
Background -There is controversy regarding outcome of patients with acute myocarditis (AM), and lack of data on how patients admitted with suspected AM are managed. We report characteristics, in-hospital management and long-term outcome of patients with AM based on a retrospective multi-center registry from 19 Italian hospitals. Methods -A total of 684 patients with suspected AM and recent onset of symptoms (<30 days) were screened between May 2001 and February 2017. Patients >70 years and those older than 50 years without coronary angiography were excluded...
May 15, 2018: Circulation
https://www.readbyqxmd.com/read/29764568/-effect-of-early-application-of-recombinant-human-erythropoietin-on-white-matter-development-in-preterm-infants
#14
Shu-Shuo Yang, Fa-Lin Xu, Hui-Qing Cheng, Hao-Ran Xu, Lin Yang, Jing-Yue Xing, Lin Cheng
OBJECTIVE: To evaluate the effect of early application of recombinant human erythropoietin (rhEPO) on white matter development in preterm infants using fractional anisotropy (FA) of magnetic resonance diffusion tensor imaging (DTI). METHODS: A total of 81 preterm infants with gestational age &le;32 weeks, birth weight <1 500 g, and hospitalization within 24 hours after birth were randomly divided into rhEPO group (42 infants) and control group (39 infants)...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29764516/somatic-mutation-landscape-of-a-meningioma-and-its-pulmonary-metastasis
#15
Yaran Du, Ting Lu, Song Huang, Fangfang Ren, Gang Cui, Jian Chen
BACKGROUND: Extracranial metastasis (ENM) of meningiomas is extremely rare, and typically occurs several years after a primary tumor is diagnosed. However, the genetic changes underlying ENM events have not yet been investigated. CASE PRESENTATION: A 58-year-old male patient was sent to the emergency room of our hospital because of a sudden fall. Magnetic resonance imaging detected a mass at the right frontal sagittal sinus. He underwent tumor resection and recovered well, but post-operative computed tomography revealed three lumps on the right side of his chest...
May 4, 2018: Cancer communications
https://www.readbyqxmd.com/read/29764033/-the-combined-application-of-magnetic-resonance-dti-and-3d-pcasl-in-differential-diagnosis-of-hyper-acute-and-acute-ischemic-cerebral-infarction
#16
Z Y Dai, F Chen, L Z Yao, C S Dong, H C Shi, P L Pan, Y Liu, Z P Zhang
Objective: To explore the clinical value of magnetic resonance diffusion tensor imaging (DTI) combined with 3D pseudo continuous arterial spin labeling (3D-pcASL) perfusion imaging in differential diagnosis of hyper-acute and acute ischemic cerebral infarction. Methods: A total of 42 patients with confirmed unilateral ischemic cerebral infarction from February 2015 to October 2017 of Affiliated Yancheng Hospital of Southeast University Medical College were collected. DTI and 3D-pcASL images of hyper-acute (14 patients, group A) and acute (28 patients, group B) ischemic cerebral infarction were retrospectively analyzed...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29761118/susceptibility-weighted-and-diffusion-kurtosis-imaging-to-evaluate-encephalomalacia-with-epilepsy-after-traumatic-brain-injury
#17
Wenbin Li, Xuan Wang, Xiaoer Wei, Mingliang Wang
Objective: Encephalomalacia after traumatic brain injury (TBI) is one of the factors leading to epilepsy. In this study, magnetic resonance imaging (MRI) was used to explore the brain image features of epilepsy after traumatic encephalomalacia, and to provide objective evidence for predicting the possible occurrence of epilepsy after traumatic encephalomalacia. Methods: Two-hundred-fifty-two patients with traumatic encephalomalacia were prospectively enrolled in the study...
May 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29760871/presacral-myelolipoma-as-a-possible-parasymptom-of-cancer-a-case-report
#18
Akio Sakamoto, Iori Nagamatsu, Eisuke Shiba, Takeshi Okamoto, Masanori Hisaoka, Shuichi Matsuda
Presacral myelolipomas are rare, benign, asymptomatic tumors composed of mature adipose tissue and hematopoietic elements. Presacral myelolipomas can occur in patients with a medical history of malignancy, steroid use, and/or endocrine disorders including diabetes mellitus. A 65-year-old man with no specific medical history experienced temporal abdominal pain without bowel symptoms that lasted a few hours. By the time he visited a hospital, the pain had diminished. Computed tomography failed to detect any abnormality in the abdominal or pelvic organs that would have caused the abdominal pain but revealed a lesion 4 cm in diameter in the frontal sacrum...
2018: Rare Tumors
https://www.readbyqxmd.com/read/29760842/appropriateness-of-extremity-magnetic-resonance-imaging-examinations-in-an-academic-emergency-department-observation-unit
#19
McKinley Glover, Ravi V Gottumukkala, Yadiel Sanchez, Brian J Yun, Theodore I Benzer, Benjamin A White, Anand M Prabhakar, Ali S Raja
Introduction: Emergency departments (ED) and hospitals face increasing challenges related to capacity, throughput, and stewardship of limited resources while maintaining high quality. Appropriate utilization of extremity magnetic resonance imaging (MRI) examinations within the emergency setting is not well known. Therefore, this study aimed to determine indications for and appropriateness of MRI of the extremities for musculoskeletal conditions in the ED observation unit (EDOU). Methods: We conducted this institutional review board-approved, retrospective study in a large, quaternary care academic center and Level I trauma center...
May 2018: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29757450/a-case-report-of-a-4-year-old-boy-with-intradural-spinal-cord-abscess-successfully-treated-with-adjuvant-hyperbaric-oxygen-therapy
#20
Ayse Sahin, Mustafa Kilic, Nazan Dalgic
Intradural spinal cord abscesses are rare infections in early childhood and usually result from pre-existing congenital anomalies of the spinal column. The formation of abscess may be the result of hematogenous spread. It is treated by surgical and parenteral antibiotic treatment, but some special cases may require additional treatments. This article presents a 4-year-old male patient who was operated because of spina bifida (meningocele and tethered cord) at the external center, and upon complains of not being able to walk after one month, he was operated with the diagnosis of spinal intradural abscess and referred to us to continue his treatment...
April 26, 2018: Turkish Neurosurgery
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