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https://www.readbyqxmd.com/read/28227009/a-machine-learning-framework-for-auto-classification-of-imaging-system-exams-in-hospital-setting-for-utilization-optimization
#1
Meru A Patil, Ravindra B Patil, P Krishnamoorthy, Jacob John, Meru A Patil, Ravindra B Patil, P Krishnamoorthy, Jacob John, Meru A Patil, Jacob John, Ravindra B Patil, P Krishnamoorthy
In clinical environment, Interventional X-Ray (IXR) system is used on various anatomies and for various types of the procedures. It is important to classify correctly each exam of IXR system into respective procedures and/or assign to correct anatomy. This classification enhances productivity of the system in terms of better scheduling of the Cath lab, also provides means to perform device usage/revenue forecast of the system by hospital management and focus on targeted treatment planning for a disease/anatomy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28214493/the-value-of-near-infrared-spectroscopy-for-the-assessment-of-calf-muscle-function-in-venous-patients
#2
Spyros N Vasdekis, Ioannis Tzemailas, Constantine N Antonopoulos, Sotiria Mastoraki, George K Mantas, Andreas Lazaris
OBJECTIVE: Near-infrared spectroscopy (NIRS) is a noninvasive technique with the potential to determine the degree of tissue oxygenation. The aim of the current study was to investigate the use of NIRS as a reliable method of detecting calf muscle pump dysfunction in groups of patients with venous disease. METHODS: Patients with superficial venous insufficiency (SVI) or history of deep venous thrombosis (DVT) were classified according to the comprehensive classification system for chronic venous disorders (clinical class, etiology, anatomy, and pathophysiology) and compared with controls (GROUP variable)...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28207553/laparoscopic-living-donor-right-hemihepatectomy-with-venous-outflow-reconstruction-using-cadaveric-common-iliac-artery-allograft-case-report-and-literature-review
#3
Jiaxin Li, Jiwei Huang, Hong Wu, Yong Zeng
RATIONALE: With the development of laparoscopic technique, the total laparoscopic living donor right hemihepatectomy (LLDRH) procurement surgery has been successfully performed in many liver transplant centers all over the world, and the number of cases is continuing to increase. We report our case of laparoscopic right graft resection with venous outflow reconstruction using cadaveric common iliac artery allograft in our center and review literatures about total LLDRH surgery. PATIENT CONCERNS AND DIAGNOSES: A 40-year-old male living donor for right hepatectomy was selected after pretransplant evaluation including laboratory tests, liver volume, anatomy of hepatic vein, artery, portal vein, and bile duct...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28195745/anatomic-and-biomechanical-comparison-of-the-classic-and-congruent-arc-techniques-of-the-latarjet-procedure
#4
Scott R Montgomery, J Christoph Katthagen, Jacob D Mikula, Daniel Cole Marchetti, Dimitri S Tahal, Grant J Dornan, Kimi D Dahl, Alex W Brady, Travis Lee Turnbull, Peter J Millett
BACKGROUND: The Latarjet procedure is commonly performed using either the classic or the congruent-arc technique. Each technique has potential clinical advantages and disadvantages. However, data on the anatomic and biomechanical effects, benefits, and limitations of each technique are limited. Hypothesis/Purpose: To compare the anatomy and biomechanical fixation strength (failure load) between the 2 techniques. It was hypothesized that the classic technique would have superior initial fixation when compared with the congruent-arc technique and that this would be affected by sex and coracoid size...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28192872/premedical-anatomy-experience-and-student-performance-in-medical-gross-anatomy
#5
Peter Kondrashov, Dalton J McDaniel, Rebecca M Jordan
INTRODUCTION: Gross anatomy is considered one of the most important basic science courses in medical education, yet few medical schools require its completion prior to matriculation. The effect of taking anatomy courses before entering medical school on performance in medical gross anatomy has been previously studied with inconsistent results. MATERIALS AND METHODS: The effect of premedical anatomy coursework on performance in medical gross anatomy, overall medical school grade point average (GPA), and Comprehensive Osteopathic Medical Licensing Examination Level 1 (COMLEX 1) score was evaluated in 456 first-year osteopathic medical students along with a survey on its perceived benefits on success in medical gross anatomy course...
February 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28192130/ielvis-an-open-source-matlab-toolbox-for-localizing-and-visualizing-human-intracranial-electrode-data
#6
David M Groppe, Stephan Bickel, Andrew R Dykstra, Xiuyuan Wang, Pierre Mégevand, Manuel R Mercier, Fred A Lado, Ashesh D Mehta, Christopher J Honey
BACKGROUND: Intracranial electrical recordings (iEEG) and brain stimulation (iEBS) are invaluable human neuroscience methodologies. However, the value of such data is often unrealized as many laboratories lack tools for localizing electrodes relative to anatomy. To remedy this, we have developed a MATLAB toolbox for intracranial electrode localization and visualization, iELVis. NEW METHOD: iELVis uses existing tools (BioImage Suite, FSL, and FreeSurfer) for preimplant magnetic resonance imaging (MRI) segmentation, neuroimaging coregistration, and manual identification of electrodes in postimplant neuroimaging...
February 9, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28161522/emouseatlas-an-atlas-based-resource-for-understanding-mammalian-embryogenesis
#7
REVIEW
Chris Armit, Lorna Richardson, Shanmugasundaram Venkataraman, Liz Graham, Nicholas Burton, Bill Hill, Yiya Yang, Richard Baldock
The eMouseAtlas resource is an online database of 3D digital models of mouse development, an ontology of mouse embryo anatomy and a gene-expression database with about 30K spatially mapped gene-expression patterns. It is closely linked with the MGI/GXD database at the Jackson Laboratory and holds links to almost all available image-based gene-expression data for the mouse embryo. In this resource article we describe the novel web-based tools we have developed for 3D visualisation of embryo anatomy and gene expression...
February 1, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28130028/a-domestic-porcine-model-for-studying-the-effects-of-radiation-on-head-and-neck-cancers
#8
Christoph R Arnold, Frank Kloss, Sarvpreet Singh, Danijela Vasiljevic, Robert Stigler, Thomas Auberger, Volker Wenzel, Günter Klima, Peter Lukas, Günter Lepperdinger, Robert Gassner
BACKGROUND: Radiation therapy (RT) of the head and neck region is often accompanied by serious side effects. Research in this area is needed to improve treatment outcomes and ameliorate therapy tolerance. Laboratory rodents are barely matching today's clinical standards in RT research. Yet domestic swine (Sus scrofa domestica) have previously proved suitable for various advanced tests in clinical research and training. We therefore investigated whether S. scrofa domestica is also appropriate for irradiation of the mandible...
December 7, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28127106/comparative-anatomy-of-gastrin-releasing-peptide-pathways-in-the-trigeminal-sensory-system-of-mouse-and-the-asian-house-musk-shrew-suncus-murinus
#9
Keiko Takanami, Kaihei Inoue, Hiroki Mukai, Kei Tamura, Takamichi Jogahara, Sen-Ichi Oda, Mitsuhiro Kawata, Tatsuya Sakamoto, Hirotaka Sakamoto
Gastrin-releasing peptide (GRP) has recently been identified as an itch-signaling molecule in the primary afferents and spinal cord of rodents. However, little information exists on the expression and localization of GRP in the trigeminal somatosensory system other than in rats. We examined the generality of the trigeminal GRP system in mammals using two distinct species, suncus as a model of specialized placental mammals known to have a well-developed trigeminal sensory system and mice as a representative small laboratory animal...
December 28, 2016: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/28110748/comparative-placental-anatomy-divergent-structures-serving-a-common-purpose
#10
S Hafez
The placenta, one of the most important transient organs, forms by the apposition of fetal membranes and maternal tissues. Its role is to mediate physiological exchanges between mother and fetus. The word "apposition" covers a wide range of structural variations. It includes approximation, adhesion, interdigitation, or actual fusion between fetal and maternal tissues.(1) Formation of the placenta establishes hemotropic nutrition for the fetus: essential metabolites must be provided to maintain the growing fetus, and these must come to it via the maternal circulatory system...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28109316/adenosine-induced-ventricular-fibrillation-in-a-structurally-normal-heart-a-case-report
#11
Christopher A Rajkumar, Norman Qureshi, Fu Siong Ng, Vasileios F Panoulas, Phang Boon Lim
BACKGROUND: Adenosine is the first-line pharmacotherapy for termination of supraventricular tachycardia through its action on the atrioventricular node. However, pro-arrhythmic effects of adenosine are also recognised, most notably in the presence of pre-excited atrial fibrillation. In this case report, we describe the induction of ventricular fibrillation in a patient with no demonstrable accessory pathway, nor any other structural heart disease. This rare, idiosyncratic reaction has never previously been reported and is of relevance given the widespread and routine use of adenosine in clinical practice...
January 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28107282/early-posthepatoportoenterostomy-predictors-of-native-liver-survival-in-biliary-atresia
#12
Scott Nightingale, Michael O Stormon, Edward V O'Loughlin, Albert Shun, Gordon Thomas, Eric I Benchimol, Andrew S Day, Susan Adams, Edward Shi, Chee Y Ooi, Binita M Kamath, Annie Fecteau, Jacob C Langer, Eve A Roberts, Simon C Ling, Vicky L Ng
OBJECTIVES: Most infants with biliary atresia (BA) require liver transplantation (LT) after hepatoportoenterostomy (HPE), including those who initially clear jaundice. The aim of the present study was to identify clinical and routine laboratory factors in infants with BA post-HPE that predict native liver survival at 2 years. METHODS: A retrospective cohort study was conducted in 217 patients with BA undergoing HPE in Sydney, Australia and Toronto, Canada between January 1986 and July 2009...
February 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28095847/the-biomedical-piglet-establishing-reference-intervals-for-haematology-and-clinical-chemistry-parameters-of-two-age-groups-with-and-without-iron-supplementation
#13
Domenico Ventrella, Francesco Dondi, Francesca Barone, Federica Serafini, Alberto Elmi, Massimo Giunti, Noemi Romagnoli, Monica Forni, Maria L Bacci
BACKGROUND: The similarities between swine and humans in physiological and genomic patterns, and the great correlation in size and anatomy, make pigs extremely useful in preclinical studies. New-born piglets can represent a model for congenital and genetic diseases in new-born children. It is known that piglets may have significant differences in clinicopathological results compared to adult pigs. Therefore, adult laboratory reference intervals cannot be applied to piglets. The aim of this study was to compare haematological and chemical variables in piglets of two ages and determinate age-related reference intervals for commercial hybrid young pigs...
January 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28050573/relationship-between-the-middle-genicular-artery-and-the-posterior-structures-of-the-knee-a-cadaveric-study
#14
Rogério Teixeira de Carvalho, Leonardo Addêo Ramos, João Victor Novaretti, Leandro Masini Ribeiro, Paulo Roberto de Queiroz Szeles, Sheila Jean McNeill Ingham, Rene Jorge Abdalla
BACKGROUND: The middle genicular artery (MGA) is responsible for the blood supply to the cruciate ligaments and synovial tissue. Traumatic sports injuries and surgical procedures (open and arthroscopic) can cause vascular damage. Little attention has been devoted to establish safe parameters for the MGA. PURPOSE: To investigate the anatomy of the MGA and its relation to the posterior structures of the knees, mainly the posterior capsule and femoral condyles, and to establish safe parameters to avoid harming the MGA...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28047372/su-f-t-128-dose-volume-constraints-for-particle-therapy-treatment-planning
#15
R Stewart, W Smith, K Hendrickson, J Meyer, N Cao, E Lee, O Gopan, G Sandison, U Parvathaneni, G Laramore
PURPOSE: Determine equivalent Organ at Risk (OAR) tolerance dose (TD) constraints for MV x-rays and particle therapy. METHODS: Equivalent TD estimates for MV x-rays are determined from an isoeffect, regression-analysis of published and in-house constraints for various fractionation schedules (n fractions). The analysis yields an estimate of (α/β) for an OAR. To determine equivalent particle therapy constraints, the MV x-ray TD(n) values are divided by the RBE for DSB induction (RBEDSB ) or cell survival (RBES )...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041767/-nerve-transfer-between-the-intercostal-nerves-and-the-motor-component-of-the-musculocutaneous-nerve-anatomical-study-of-feasibility
#16
M Fleury, D Lepage, I Pluvy, J Pauchot
INTRODUCTION: The intercostal nerves (ICN) transfer to the musculocutaneous nerve (MCN) can restore elbow flexion in complete brachial plexus palsy. The last cases our service dealt with, allowed our staff to observe two different situations. In the 2 first patients, we were able to proceed with an intraneurodissection of the MCN motor component up to the axillary cavity level, while on the third case such dissection could not be performed as high. The aim of this work is to assess the feasibility of a transfer on the MCN's motor component...
December 29, 2016: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28011844/the-visible-heart%C3%A2-project-and-free-access-website-atlas-of-human-cardiac-anatomy
#17
Paul A Iaizzo
AIMS: Pre- and post-evaluations of implantable cardiac devices require innovative and critical testing in all phases of the design process. The Visible Heart(®) Project was successfully launched in 1997 and 3 years later the Atlas of Human Cardiac Anatomy website was online. The Visible Heart(®) methodologies and Atlas website can be used to better understand human cardiac anatomy, disease states and/or to improve cardiac device design throughout the development process. METHODS AND RESULTS: To date, Visible(®) Heart methodologies have been used to reanimate 75 human hearts, all considered non-viable for transplantation...
December 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28005409/safe-drilling-paths-in-the-distal-femoral-epiphysis-for-pediatric-medial-patellofemoral-ligament-reconstruction
#18
Cynthia V Nguyen, Lutul D Farrow, Raymond W Liu, Allison Gilmore
BACKGROUND: Anatomic surgical reconstruction of the medial patellofemoral ligament (MPFL) has been popularized for the treatment of recurrent patellar instability in the skeletally immature population. Previous anatomic studies have found that the femoral attachment point of the MPFL is very close to the distal femoral physis. PURPOSE: To establish the safe angles for drilling the distal femoral epiphysis for MPFL graft placement. STUDY DESIGN: Descriptive laboratory study...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27990614/anatomical-variation-in-the-anterolateral-ligament-of-the-knee-and-a-new-dissection-technique-for-embalmed-cadaveric-specimens
#19
Matthew Parker, Heather F Smith
Claes et al. recently documented and described the anterolateral ligament (ALL) of the knee, demonstrating its existence in 97% of their samples. Here, we further examined the anatomy of this ligament, documented its morphological variation, and assessed the feasibility of its dissection in preserved cadaveric specimens. To achieve this, we dissected 53 preserved cadaveric knees and documented their morphological variation in the anterolateral ligament. The originally described dissection technique for identifying and following the ALL requires flexion of the knee, a state which is often not possible in stiff, preserved cadavers...
December 18, 2016: Anatomical Science International
https://www.readbyqxmd.com/read/27986388/-3d-anatomy-of-cerebellar-peduncles-based-on-fibre-microdissection-and-a-demonstration-with-tractography
#20
Ruben Rodríguez-Mena, José Piquer-Belloch, José Luis Llácer-Ortega, Pedro Riesgo-Suárez, Vicente Rovira-Lillo
OBJECTIVE: To perform an anatomical and radiological study, using fibre microdissection and diffusion tensor tractography (DTT), to demonstrate the three-dimensionality of the superior, middle and inferior cerebellar peduncles. MATERIAL AND METHODS: A total of 15 brain-stem, 15 cerebellar hemispheres, and 5 brain hemispheres were dissected in the laboratory under the operating microscope with microsurgical instruments between July 2014 and July 2015. Brain magnetic resonance imaging was obtained from 15 healthy subjects between July and December of 2015, using diffusion-weighted images, in order to reproduce the cerebellar peduncles on DTT...
December 13, 2016: Neurocirugía
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