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https://www.readbyqxmd.com/read/29222898/exercise-induced-dehydration-status-and-skinfold-compressibility-in-athletes-an-intervention-study
#1
Daniela Araújo, Vitor Hugo Teixeira, Pedro Carvalho, Teresa F Amaral
BACKGROUND AND OBJECTIVES: Skinfold thickness assessment is a widely recognized technique for the estimation of body adiposity and fat free mass. This method assumes that skinfolds' compressibility is constant but there are some factors that could influence its compressibility. This study aims to evaluate whether the skinfolds' compressibility is influenced by hydration status. METHODS AND STUDY DESIGN: An intervention study was conducted in a sample of 22 adult male amateur soccer players, who took part in a 90min simulated soccer match...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222686/eeg-source-imaging-indices-of-cognitive-control-show-associations-with-dopamine-system-genes
#2
G McLoughlin, J Palmer, S Makeig, N Bigdely-Shamlo, T Banaschewski, M Laucht, D Brandeis
Cognitive or executive control is a critical mental ability, an important marker of mental illness, and among the most heritable of neurocognitive traits. Two candidate genes, catechol-O-methyltransferase (COMT) and DRD4, which both have a roles in the regulation of cortical dopamine, have been consistently associated with cognitive control. Here, we predicted that individuals with the COMT Met/Met allele would show improved response execution and inhibition as indexed by event-related potentials in a Go/NoGo task, while individuals with the DRD4 7-repeat allele would show impaired brain activity...
December 8, 2017: Brain Topography
https://www.readbyqxmd.com/read/29219861/sacrocolpopexy-with-concomitant-total-vs-supracervical-hysterectomy-functional-support-comparisons-in-cadavers
#3
Pedro Antonio Maldonado, Kyle P Norris, Maria E Florian-Rodriguez, Nemi M Shah, Clifford Y Wai
OBJECTIVE: This study aimed to compare the ability of abdominal sacrocolpopexy (ASC) with concomitant total vs supracervical hysterectomy to resist downward traction as a measure of functional anatomic support in human cadavers. METHODS: Supracervical hysterectomy was performed on unembalmed cadaver specimens, followed by ASC attaching polypropylene mesh to the posterior cervix/vagina only and then the anterior and posterior cervix/vagina. Using a metal bolt placed through the cervix tied to a filament passing through a fixed pulley system, successive weights of 0...
December 7, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29217532/imaging-detected-acute-muscle-injuries-in-athletes-participating-in-the-rio-de-janeiro-2016-summer-olympic-games
#4
Michel D Crema, Mohamed Jarraya, Lars Engebretsen, Frank W Roemer, Daichi Hayashi, Romulo Domingues, Abdalla Y Skaf, Ali Guermazi
BACKGROUND: Acute muscle injuries in elite athletes are responsible for a large portion of time loss injuries. AIM: To describe the frequency, the anatomic distribution, and severity of imaging-detected acute muscle injuries among athletes who competed in the Rio de Janeiro 2016 Summer Olympics. METHODS: We recorded all sports injuries reported by the National Olympic Committee medical teams and the Organising Committee medical staff during the 2016 Summer Olympics...
December 7, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29217149/mucous-membrane-pemphigoid-with-ocular-involvement-the-clinical-phenotype-and-its-relationship-to-direct-immunofluorescence-findings
#5
Hon Shing Ong, Jane F Setterfield, Darwin C Minassian, John K Dart
PURPOSE: This study explored the validity of the First International Consensus on Mucous Membrane Pemphigoid (MMP) guidance, which recommends that clinically indistinguishable patients, who have direct immunofluorescence (DIF)-negative biopsies, be excluded from a diagnosis of MMP. Misdiagnosis, or delayed diagnosis, of MMP with ocular involvement leads to the inappropriate use of topical therapy, the standard of care for causes of cicatrising conjunctivitis other than MMP, rather than systemic immunomodulatory therapy, resulting in irreversible clinical deterioration in patients with MMP...
December 4, 2017: Ophthalmology
https://www.readbyqxmd.com/read/29215685/micro-ct-evaluation-of-root-and-canal-morphology-of-mandibular-first-premolars-with-radicular-grooves
#6
Emanuele Boschetti, Yara Terezinha Correa Silva-Sousa, Jardel Francisco Mazzi-Chaves, Graziela Bianchi Leoni, Marco Aurélio Versiani, Jesus Djalma Pécora, Paulo Cesar Saquy, Manoel Damião de Sousa-Neto
The aim of this study was to evaluate morphological features of 70 single-rooted mandibular first premolars with radicular grooves (RG) using micro-CT technology. Teeth were scanned and evaluated regarding the morphology of the roots and root canals as well as length, depth and percentage frequency location of the RG. Volume, surface area and Structure Model Index (SMI) of the canals were measured for the full root length. Two-dimensional parameters and frequency of canal orifices were evaluated at 1, 2, and 3 mm levels from the apical foramen...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29215442/an-anatomic-morphological-study-of-occipital-spurs-in-human-skulls
#7
Monika Srivastava, Adil Asghar, Nitya Nand Srivastava, Nandkishore Gupta, Anuj Jain, Jayant Verma
Occipital spurs are quite common; however, they are also the source of frequent discomfort to the patients. Their role has been implicated in causation of pain at the base of skull, which may extend to shoulder limiting the movement of the shoulder and neck. The present was carried out to find out the prevalence of occipital spur in human skull and to find out the anatomic morphological characteristics of occipital spur. A total of 30 cadaveric skulls were examined in the Department of Anatomy, Uttar Pradesh University of Medical Sciences, for the presence of occipital spur...
December 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29214678/pedicled-iliac-crest-bone-flap-transfer-for-the-treatment-of-upper-femoral-shaft-fracture-nonunion-an-anatomic-study-and-clinical-applications
#8
Dewei Zhao, Meng Cao, Tienan Wang, Benjie Wang, Baoyi Liu, William C Lineaweaver
PURPOSE: We present the results of a study on the anatomy of the ascending branch of the lateral circumflex femoral artery (AB-LCFA) and the use of the pedicled iliac bone flap transfer perfused by AB-LCFA combined with external fixation for the treatment of the nonunion of upper femoral shaft fractures. METHODS: The orientation, diameter, length, and distribution of the AB-LCFA from 40 lower limbs of adult cadavers were dissected and measured. From 2000 to 2012, 13 patients with nonunion of upper femoral shaft fractures underwent pedicled iliac bone flap transfer perfused by the AB-LCFA combined with external fixation...
December 7, 2017: Microsurgery
https://www.readbyqxmd.com/read/29214057/primary-rhegmatogenous-retinal-detachment-with-inferior-retinal-breaks-postoperative-prone-positioning-results-1%C3%A2-day-versus-7%C3%A2-days
#9
Radwan Ajlan, Jordan Isenberg, Ghassan Cordahi, Renaud Duval, Sébastien Olivier, Flavio Rezende
Background: To compare the primary anatomical outcome of pars plana vitrectomy, 360° peripheral endolaser, and 15% octafluoropropane C3F8 gas tamponade in patients with uncomplicated rhegmatogenous detachment and inferior retinal breaks, after 24-h postoperative prone positioning to similar patients with 1 week postoperative prone positioning. Methods: Records of 5500 patients who underwent pars plana vitrectomy between 2008 and 2015 were retrieved. Collected data included age, gender, number of retinal quadrants with retinal breaks, number of retinal breaks, macula status on presentation (attached or detached), phakic status (phakic, pseudophakic, or aphakic), and primary anatomical outcome (at 1 and 3 months post-operative)...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29212469/orthogonal-p-wave-morphology-is-affected-by-intra-atrial-pressures
#10
Richard Petersson, J Gustav Smith, David A Larsson, Öyvind Reitan, Jonas Carlson, Pyotr Platonov, Fredrik Holmqvist
BACKGROUND: It has previously been shown that the morphology of the P-wave neither depends on atrial size in healthy subjects with physiologically enlarged atria nor on the physiological anatomical variation in transverse orientation of the left atrium. The present study aimed to investigate if different pressures in the left and right atrium are associated with different P-wave morphologies. METHODS: 38 patients with isolated, increased left atrial pressure, 51 patients with isolated, increased right atrial pressure and 76 patients with biatrially increased pressure were studied...
December 6, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29209928/subclavian-and-axillary-vessel-anatomy-a-prospective-observational-ultrasound-study
#11
Catherine Lavallée, Christian Ayoub, Asmaa Mansour, Jean Lambert, Jean-Sébastien Lebon, Manoj M Lalu, André Denault
PURPOSE: The primary objective of this study was to define the ultrasound-derived anatomy of the axillary/subclavian vessels. As a secondary objective, we evaluated the relationship between the vascular anatomy and demographic, anthropometric, and hemodynamic data of patients. METHODS: This observational anatomical study used bedside ultrasound with 150 cardiac surgical patients in the operating room. Bilateral axillary and subclavian anatomy was determined using a high-frequency ultrasound probe with fixed reference points...
December 5, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29207853/complications-following-transradial-cerebral-angiography-an-ultrasound-follow-up-study
#12
Wonki Yoon, Woo-Keun Kwon, Omar Choudhri, Jaegeun Ahn, Hanyong Huh, Choel Ji, Huy M Do, Aditya Mantha, Sin-Soo Jeun
Objective: The feasibility and usefulness of transradial catheterization for coronary and neuro-intervention are well known. However, the anatomical change in the catheterized radial artery (RA) is not well understood. Herein, we present the results of ultrasonographic observation of the RA after routine transradial cerebral angiography (TRCA). Methods: Patients who underwent routine TRCA with pre- and post-procedure Doppler ultrasonography (DUS) of the catheterized RA were enrolled...
December 6, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29207687/variation-in-morphometry-of-vastus-medialis-muscle
#13
Hina B Rajput, Sangeeta J Rajani, Vasant H Vaniya
Introduction: The Vastus Medialis (VM) muscle divides into two parts, proximal Vastus Medialis Longus (VML) and distal Vastus Medialis Obliquus (VMO). The VMO originates from the tendon of adductor magnus and insert into the medial border of patella and these fibers are nearly horizontal. It exerts medial force vector to counter the lateral force vector of Vastus Lateralis (VL) hence the VM presents a biomechanical advantage over the VL. The functional importance of VML and VMO is well explained but the anatomical evidence of separate identity of VMO is lacking...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29203456/non-invasive-laminar-inference-with-meg-comparison-of-methods-and-source-inversion-algorithms
#14
James J Bonaiuto, Holly E Rossiter, Sofie S Meyer, Natalie Adams, Simon Little, Martina F Callaghan, Fred Dick, Sven Bestmann, Gareth R Barnes
Magnetoencephalography (MEG) is a direct measure of neuronal current flow; its anatomical resolution is therefore not constrained by physiology but rather by data quality and the models used to explain these data. Recent simulation work has shown that it is possible to distinguish between signals arising in the deep and superficial cortical laminae given accurate knowledge of these surfaces with respect to the MEG sensors. This previous work has focused around a single inversion scheme (multiple sparse priors) and a single global parametric fit metric (free energy)...
December 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/29203379/arthroscopic-reconstruction-of-the-ligamentum-teres-a-guide-to-safe-tunnel-placement
#15
Alex W Brady, Jorge Chahla, Renato Locks, Jacob D Mikula, Erik L Slette, Robert F LaPrade, Marc J Philippon
PURPOSE: To provide a quantitative guide to tunnel placement concurrently through the femur and acetabulum during a ligamentum teres reconstruction, minimizing the risk of injury to the obturator neurovascular bundle. METHODS: Nine human cadaveric pelvises, complete with femurs (mean age, 59.6 years; age range, 47-65 years), were studied. Before dissection, a 3-dimensional coordinate-measuring device was used to record the neutral orientation of the femur in the acetabulum...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29203066/-the-sural-medial-perforator-flap-anatomical-bases-surgical-technique-and-indications-in-head-and-neck-reconstruction
#16
S Struk, J-B Schaff, Q Qassemyar
INTRODUCTION: The medial sural artery perforator (MSAP) flap is defined as a thin cutaneo-adipose perforator flap harvested on the medial aspect of the leg. The aims of this study were to describe the anatomical basis as well as the surgical technique and discuss the indications in head and neck reconstructive surgery. MATERIAL AND METHODS: We harvested 10 MSAP flap on 5 fresh cadavers. For each case, the number and the location of the perforators were recorded...
December 1, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29202986/arthrodesis-of-the-first-metatarsophalangeal-joint-a-biomechanical-comparison-of-four-fixation-techniques
#17
Ella Harris, Paul Moroney, Yves Tourné
BACKGROUND: Arthrodesis of the first metatarsophalangeal joint is a commonly performed orthopaedic procedure. The optimum method of fixation and joint surface preparation has yet to be determined. METHODS: This study compared four fixation techniques: Biomechanical grade sawbones were used. The dorsal plate used was a titanium, anatomically contoured locked plate. Testing was performed using an Instron machine applying force from the plantar aspect of the fused joint...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29202980/computed-tomography-measurements-of-the-lesser-metatarsal-heads-anatomic-considerations-for-surgeons-performing-distal-metatarsal-osteotomies
#18
Ethan J Fraser, Martin Sullivan, Juan Paulo Panti, Pasquale Rositano, Judie Walton, Sebastian Fung
BACKGROUND: The purpose of the current study was to provide a standardized, anatomical description of the lesser metatarsals to assist surgeons when planning distal metatarsal surgery and fixation. METHODS: Eighty CT scans were included for assessment, based on a priori power analysis. Patient age was a mean 52.7±16.6 years (24-83). Metatarsals two through five were assessed in all patients. Three independent observers completed measurements for all metatarsals...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29201002/a-comparison-of-different-slicing-planes-in-preservation-of-major-hippocampal-pathway-fibers-in-the-mouse
#19
Guoxiang Xiong, Hannah Metheny, Brian N Johnson, Akiva S Cohen
The hippocampus plays a critical role in learning and memory and higher cognitive functions, and its dysfunction has been implicated in various neuropathological disorders. Electrophysiological recording undertaken in live brain slices is one of the most powerful tools for investigating hippocampal cellular and network activities. The plane for cutting the slices determines which afferent and/or efferent connections are best preserved, and there are three commonly used slices: hippocampal-entorhinal cortex (HEC), coronal and transverse...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29200098/preoperative-factors-influencing-visual-recovery-after-vitrectomy-for-myopic-foveoschisis
#20
Mathieu Lehmann, François Devin, Pierre-Raphael Rothschild, David Gaucher, Bruno Morin, Elise Philippakis, Pascale Massin, Aude Couturier, Ramin Tadayoni
PURPOSE: To determine the preoperative factors influencing visual recovery after vitrectomy for myopic foveoschisis. METHODS: Sixty-six eyes of 65 consecutive patients operated on for myopic foveoschisis were retrospectively included. All eyes underwent a preoperative ocular examination including best-corrected visual acuity (BCVA) and spectral domain optical coherence tomography with central foveal thickness measurement and foveal status classification: simple foveoschisis, foveal detachment, or macular hole...
December 1, 2017: Retina
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