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https://www.readbyqxmd.com/read/28725918/a-comprehensive-review-of-motor-innervation-of-the-hand-variations-and-clinical-significance
#1
REVIEW
Sacha Wynter, Lakal Dissabandara
PURPOSE: The objective of the present review is to assemble the recognized anatomical variations, classifications, and clinical evidence with regard to innervation of the hand and discuss the clinical significance of these variations. METHODS: The material for this review was obtained by exploring PubMed and Google Scholar (search terms: hand innervation, variations of ulnar nerve, variations of median nerve, variations of radial nerve) as well as from standard anatomy texts...
July 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28721473/biomechanics-of-the-classic-metaphyseal-lesion-finite-element-analysis
#2
Andy Tsai, Brittany Coats, Paul K Kleinman
BACKGROUND: The classic metaphyseal lesion (CML) is strongly associated with infant abuse, but the biomechanics responsible for this injury have not been rigorously studied. Radiologic and CT-pathological correlates show that the distal tibial CML always involves the cortex near the subperiosteal bone collar, with variable extension of the fracture into the medullary cavity. Therefore, it is reasonable to assume that the primary site of bone failure is cortical, rather than intramedullary...
July 18, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28716291/similarities-between-large-animal-related-and-motor-vehicle-crash-related-injuries
#3
Abigail M Tremelling, Robert A Marley, Mackenzie B Marley, Christina M Woofter, Courtney Docherty, Ann E Salvator, Farid F Muakkassa
OBJECTIVE: Many Americans sustain large animal-related injuries (LARIs) from blunt trauma. We compare the injuries and management of LARI in our region of the United States with those of motor vehicle crashes (MVCs). METHODS: A 15-year retrospective study of trauma patients with LARI matched to MVC controls by Injury Severity Score (ISS), age, and sex was conducted. Values were statistically compared, and differences were considered statistically significant at P < ...
July 14, 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28709782/contextualizing-oncologic-imaging-utilization-through-end-of-life-spending%C3%A2-patterns
#4
Timothy P Copeland, John M Hillman, Benjamin L Franc
PURPOSE: The aim of this study was to assess the effect of spending patterns during the final year of life on high-cost imaging utilization in the final 3 months of life. METHODS: An academic comprehensive cancer center's radiology, cancer registry, and claims records were matched to identify decedents with dates of death from April 2013 through June 2014. Spending patterns in the final year of life were identified using group-based trajectory modeling. Descriptive analysis of CT, MRI, and PET utilization across trajectories was conducted...
July 11, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28696850/advanced-mr-imaging-techniques-for-differentiation-of-neuropathic-arthropathy-and-osteomyelitis-in-the-diabetic-foot
#5
Teodoro Martín Noguerol, Antonio Luna Alcalá, Luis S Beltrán, Marta Gómez Cabrera, Jordi Broncano Cabrero, Joan C Vilanova
Diagnosis and treatment of foot disease in patients with diabetes is a common clinical-radiologic challenge, particularly the differentiation of neuropathic arthropathy from osteomyelitis. Conventional clinical tests and imaging techniques have limited accuracy for evaluation of the diabetic foot. The introduction of morphologic magnetic resonance (MR) imaging in these patients has provided a qualitative leap in diagnosis. The characteristics of soft-tissue and bone marrow edema and their patterns of distribution throughout the foot allow discrimination between both entities...
July 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28695689/patterns-of-health-services-utilization-in-the-last-two-weeks-of-life-among-cancer-patients-experience-in-an-australian-academic-cancer-center
#6
Wee Loon Ong, Richard Khor, Mathias Bressel, Phillip Tran, Jo Tedesco, Keen Hun Tai, David Ball, Gillian Duchesne, Farshad Foroudi
AIM: To report the trend in end-of-life health services (HS) utilization among cancer patients treated in a large Australian academic cancer center over a 12-year period. METHODS: This is a retrospective study of cancer patients treated at the Peter MacCallum Cancer Centre (PMCC), who had documented death between January 2002 and December 2013. Using administrative and billing database, we report on the utilization of different categories of HS within two weeks of death: diagnostic investigations (pathology and radiology), inpatient and outpatient services, and potentially futile interventions (PFI, which include radiotherapy, chemotherapy and surgery)...
July 11, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28694111/the-pathophysiology-of-watershed-infarction-a-three-dimensional-time-of-flight-magnetic-resonance-angiography-study
#7
Caroline Weill, Laurent Suissa, Jacques Darcourt, Marie-Hélène Mahagne
BACKGROUND: Most of the time, watershed infarcts (WIs) involve steno-occlusive carotid disease. The pathophysiological mechanism could be predicted by their pattern: internal WIs (IWIs) are thought to be due to hemodynamic impairment in contrast to cortical WIs (CWIs), which are more likely to be caused by microembolic phenomena. We used a 3D time-of-flight (TOF) magnetic resonance angiography (MRA) study to assess this hypothesis. METHODS: In 45 consecutive patients with a recent WI and ipsilateral cervical carotid stenosis, clinical and radiological data were obtained retrospectively...
July 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28689862/histological-fibrosis-may-predict-the-failure-of-core-decompression-in-the-treatment-of-osteonecrosis-of-the-femoral-head
#8
Francesco Sadile, Alessio Bernasconi, Flavio Carbone, François Lintz, Gelsomina Mansueto
PURPOSE: Osteonecrosis of femoral head (ONFH) is histopathologically characterized by necrotic areas associated with reactive fibrosis, trabecular bone remodeling and thickening zones. Our double goal was to evaluate if: 1) main ONFH risk factors were related to specific histological specimen patterns 2) different histological patterns were related to the final outcome after a core decompression (CD) procedure. METHODS: This observational longitudinal cohort study respected the STROBE statement...
July 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28685296/methamphetamine-induced-toxic-leukoencephalopathy-clinical-radiological-and-autopsy-findings
#9
Jiao Mu, Meiyu Li, Ying Guo, Bin Lv, Mingjie Qiu, Hongmei Dong
Toxic leukoencephalopathy represents a process of structural alteration of the white matter. It is caused by substance abuse including drugs such as heroin, cocaine, toluene and ethanol. We reported the clinical, radiological and autopsy findings of a rare case of toxic leukoencephalopathy following chronic methamphetamine (MA) usage. A 34-year-old man with a 3-year history of MA abuse experienced progressive sluggish state, limb weakness, inability to stand and eating disorders, followed by rapid progression to coma and death...
July 6, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28683929/how-do-we-stand-variations-during-repeated-standing-phases-of-asymptomatic-subjects-and-low-back-pain-patients
#10
Hendrik Schmidt, Maxim Bashkuev, Jeronimo Weerts, Friedmar Graichen, Joern Altenscheidt, Christoph Maier, Sandra Reitmaier
An irreproducible standing posture can lead to mis-interpretation of radiological measurements, wrong diagnoses and possibly unnecessary treatment. This study aimed to evaluate the differences in lumbar lordosis and sacrum orientation in six repetitive upright standing postures of 353 asymptomatic subjects (including 332 non-athletes and 21 athletes - soccer players) and 83 low back pain (LBP) patients using a non-invasive back-shape measurement device. In the standing position, all investigated cohorts displayed a large inter-subject variability in sacrum orientation (∼40°) and lumbar lordosis (∼53°)...
June 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28683438/gamma-knife-radiosurgery-for-petroclival-meningioma-long-term-outcome-and-failure-pattern
#11
Jin Wook Kim, Dong Gyu Kim, Young-Bem Se, Sung Kwon Kim, Hyun-Tai Chung, Sun Ha Paek, Hee-Won Jung
Total removal of petroclival meningioma is difficult, and aggressive extirpation is often associated with significant surgical morbidity and mortality. The aim of this study was to evaluate the long-term outcome and failure pattern of treatment with Gamma Knife radiosurgery (GKRS) in patients with petroclival meningiomas. Eighty-nine consecutive patients with petroclival meningiomas underwent GKRS between 1998 and 2013. Fifty-eight patients received GKRS as a primary treatment and 31 patients underwent GKRS as a secondary treatment after microsurgery...
July 6, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28680316/electroencephalographic-patterns-recorded-by-continuous-eeg-monitoring-in-patients-with-change-of-consciousness-in-the-neurological-intensive-care-unit
#12
Ebru Altindağ, Zeynep Vildan Okudan, Sedef Tavukçu Özkan, Yakup Krespi, Betül Baykan
INTRODUCTION: Our aim was to examine the frequency of various electrographic patterns including periodic discharges (PD), repetitive spike waves (RSW), rhythmic delta activities (RDA), nonconvulsive seizures (NCS) and nonconvulsive status epilepticus (NCSE) in continuous EEG monitoring (cEEG) of the critically ill patients with change of consciousness and the presence of specific clinical and laboratory findings associated with these important patterns in this study. METHODS: Patients with changes of consciousness in the neurological intensive care unit (NICU) were consecutively monitored with cEEG during 2 years...
June 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28677845/detection-of-peripheral-embolic-consolidations-using-contrast-enhanced-ultrasonography-in-patients-with-no-evidence-of-pulmonary-embolism-on-computed-tomography-a-pilot-study
#13
C Trenker, J C Apitzsch, S Pastor, S Bartelt, A Neesse, C Goerg
AIM: To investigate the value of B-mode imaging and contrast-enhanced ultrasonography (CEUS) in patients with clinically suspected pulmonary embolism (PE) but no evidence of central PE on CT. METHODS: Between May 2004 and February 2015, we included in this retrospective study 19 patients with a risk profile for PE according to their Wells' score, sonographic patterns of peripheral embolic consolidations (EC) on B-mode-imaging and CEUS (ie, missing or inhomogeneous enhancement of the pleural lesions), and exclusion of central PE by CT within 1 week of CEUS...
July 5, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28675890/acute-radiological-abnormalities-after-bronchial-thermoplasty-a-prospective-cohort-trial
#14
Julia N S d'Hooghe, Inge A H van den Berk, Jouke T Annema, Peter I Bonta
BACKGROUND: Bronchial thermoplasty (BT) is a novel treatment for severe asthma based on radiofrequency energy delivery to the larger airways. Although impressive radiological abnormalities have been reported, the incidence, pattern, and behavior over time of acute radiological abnormalities following BT are not well established. OBJECTIVE: To assess the incidence pattern and behavior over time of acute radiological abnormalities following BT. METHODS: This is a prospective, observational imaging study of severe asthma patients participating in the TASMA trial...
July 5, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28673885/clinical-features-of-hemorrhagic-moyamoya-disease-in-china
#15
Peicong Ge, Qian Zhang, Xun Ye, Xingju Liu, Xiaofeng Deng, Hao Li, Rong Wang, Yan Zhang, Dong Zhang, Yong Cao, Shuo Wang, Jizong Zhao
OBJECTIVE: To elucidate the clinical features of patients with hemorrhagic moyamoya disease (MMD) in China. METHODS: We retrospectively reviewed 471 patients with hemorrhagic MMD at Beijing Tiantan Hospital. Clinical features, radiologic findings were analyzed. RESULTS: The mean age at diagnosis was 35.3±11.5 years with a one-peak distribution in in patients from 35 to 39 years. The ratio of women to men was 1.2:1. Familial occurrence was 3...
June 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28673837/respiratory-viruses-detected-in-mexican-children-younger-than-5-years-old-with-community-acquired-pneumonia-a-national-multicenter-study
#16
Rosa María Wong-Chew, Miguel L García-León, Daniel E Noyola, Luis F Pérez-González, Jesús Gaitán-Meza, Alberto Villaseñor-Sierra, Gerardo Martínez-Aguilar, Victor Hugo Rivera-Nuñez, Oscar A Newton-Sánchez, Verónica Firo-Reyes, Carlos N Del Río-Almendarez, Alejandra Pamela González-Rodríguez, Enrique R Ortiz-García, Susana Navarrete-Navarro, Carmen Soria-Rodríguez, Adoniram Carrasco-Castillo, Eneida Sánchez-Medina, Irma López-Martínez, Teresa Hernández-Andrade, Celia M Alpuche-Aranda, José I Santos-Preciado
BACKGROUND: Acute respiratory infections are the leading cause of mortality in children worldwide, especially in developing countries. Pneumonia accounts for 16% of all deaths of children under 5 years of age and was the cause of death of 935000 children in 2015. Despite its frequency and severity, information regarding its etiology is limited. The aim of this study was to identify respiratory viruses associated with community-acquired pneumonia (CAP) in children younger than 5 years old...
June 30, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28673776/private-practice-radiologist-subspecialty-classification-using-medicare-claims
#17
Andrew B Rosenkrantz, Wenyi Wang, Sudheshna Bodapati, Danny R Hughes, Richard Duszak
PURPOSE: The aim of this study was to assess both existing Medicare provider code assignments and a new claims-based system for subspecialty classification of private practice radiologists. METHODS: Websites of the 100 largest US radiology private practices were used to identify 1,476 radiologists self-identified with a single subspecialty ([1] abdominal, [2] breast, [3] cardiothoracic, or [4] musculoskeletal imaging; [5] nuclear medicine; [6] interventional radiology; [7] neuroradiology)...
June 30, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28673104/biopsy-in-idiopathic-pulmonary-fibrosis-back-to-the-future
#18
Giulio Rossi, Paolo Spagnolo
Idiopathic Pulmonary Fibrosis (IPF) is a relentlessly progressive, fibrosing interstitial pneumonia characterized by a radiologic and/or histologic pattern of usual interstitial pneumonia (UIP). The availability of two effective anti-fibrotic drugs in IPF has encouraged the identification and treatment of patients in early stages in order to maximize clinical benefit. The ability of high-resolution computed tomography (HRCT) to identify a 'definite' UIP pattern is suboptimal, particularly in the absence of honeycombing...
July 10, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28672962/enhanced-regeneration-of-large-cortical-bone-defects-with-electrospun-nanofibrous-membranes-and-low-intensity-pulsed-ultrasound
#19
Leyi Huang, Youzhi Cai, Honghua Hu, Peng Guo, Zengfeng Xin
Poly-L-lactic acid (PLLA) nanofibrous membranes are widely utilized for tissue regeneration. Low intensity pulsed ultrasound (LIPUS) has been considered as a feasible modality for bone union. The aim of the present study was to investigate the potential synergistic effect of LIPUS and PLLA electrospun nanofibrous membranes on large cortical bone defects in rabbits in vivo. The bilateral rabbit tibia defect model was constructed using 18 adult NZ rabbits and the defect sites were treated with the nanofibrous membranes combined with LIPUS or nanofibrous membranes alone...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28670531/high-prevalence-of-serine-protease-inhibitor-kazal-type-1-gene-variations-detected-by-whole-gene-sequencing-in-patients-with-fibrocalculous-pancreatic-diabetes
#20
Anish Kolly, C Shivaprasad, Annie A Pulikkal, Sridevi Atluri, Vijaya Sarathi, C S Dwarakanath
AIM OF STUDY: The aim is to study the prevalence and pattern of serine protease inhibitor Kazal type 1 (SPINK1) gene variations in patients with fibrocalculous pancreatic diabetes (FCPD) using whole gene sequencing. MATERIALS AND METHODS: A total of 56 consecutive patients of FCPD were recruited for the study. Diagnosis of FCPD was based on the presence of diabetes mellitus in patients having chronic pancreatitis with radiological evidence of ductal calcifications, in the absence of other known causes for pancreatitis...
July 2017: Indian Journal of Endocrinology and Metabolism
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