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Olivier Barbier, Maelle Racle
Introduction: The current evolution of surgical practices is increasingly trending toward hyper-specialization. For military surgeons, their practice in France does not differ from their civilian counterparts. In contrast, in external operations, they have to deal with specific war injuries in austere conditions. They are also required to take care of local populations. Therefore, specific training is necessary, and the French Military Health Service Academy (Ecole du Val-de-Grâce) Paris has set up a specific training called Advanced Course for Deployment Surgery (ACDS) in 2007...
March 14, 2018: Military Medicine
Zhong-Min Wang, Xiaoyan Leng, María Laura Messi, Seung J Choi, Anthony P Marsh, Barbara Nicklas, Osvaldo Delbono
Background: Previous studies support beneficial effects of both resistance exercise training (RT) and caloric restriction (CR) on skeletal muscle strength and physical performance. The goal of this study was to determine the effects of adding CR to RT on single-muscle fiber contractility responses to RT in older overweight and obese adults. Methods: We analyzed contractile properties in 1,253 single myofiber from muscle biopsies of the vastus lateralis, as well as physical performance and thigh muscle volume, in 31 older (65-80 yrs), overweight or obese (body mass index= 27-35 kg/m2) men (n=19) and women (n=12) who were randomly assigned to a standardized, progressive RT intervention with CR (RT+CR; n=15) or without CR (RT; n=16) for 5 months...
March 13, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Daniel Langer, Casey E Ciavaglia, Azmy Faisal, Katherine A Webb, J Alberto Neder, Rik Gosselink, Sauwaluk Dacha, Marko Topalovic, Anna Ivanova, Denis E O'Donnell
Among patients with COPD, those with the lowest maximal inspiratory pressures experience greater breathing discomfort (dyspnea) during exercise. In such individuals, inspiratory muscle training (IMT) may be associated with improvement of dyspnea but the mechanisms for this are poorly understood. Therefore, we aimed to identify physiological mechanisms of improvement in dyspnea and exercise endurance following inspiratory muscle training (IMT) in patients with COPD and low maximal inspiratory pressure (Pi,max)...
March 15, 2018: Journal of Applied Physiology
R Cuthbert, C Deutsch, A Roy, P Stimpson, H Patel
Introduction The free jejunal flap represents the gold standard for circumferential defects in upper digestive tract reconstruction. It is a technically demanding procedure with significant failure rates. Unrecognised failure leads to flap necrosis and potentially fatal sequelae, including sepsis and carotid artery bleed. Despite these catastrophic consequences, however, there remains no consensus on an optimum method for postoperative flap monitoring. Our unit has pioneered the use of external colour duplex ultrasound to monitor flap vascularity...
March 15, 2018: Annals of the Royal College of Surgeons of England
Jackson Katz
In this article, the author responds to three commentaries about his article "Bystander Training as Leadership Training: Notes on the Origins, Philosophy, and Pedagogy of the Mentors in Violence Prevention Model," published in this volume. Topics covered in the commentaries and response include questions about evaluation and evidence for program effectiveness; the necessity for gender violence prevention education to be gender transformative and part of a comprehensive, multilevel prevention approach, especially for adolescents; and the degree to which Mentors in Violence Prevention (MVP), as a "social justice"-oriented program, incorporates intersectional and anti-oppression frameworks and perspectives...
March 1, 2018: Violence Against Women
Armin H Paravlic, Maamer Slimani, David Tod, Uros Marusic, Zoran Milanovic, Rado Pisot
BACKGROUND: Motor imagery (MI), a mental simulation of a movement without overt muscle contraction, has been largely used to improve general motor tasks. However, the effects of MI practice on maximal voluntary strength (MVS) remain equivocal. OBJECTIVES: The aims of this meta-analysis were to (1) estimate whether MI practice intervention can meaningfully improve MVS in healthy adults; (2) compare the effects of MI practice on MVS with its combination with physical practice (MI-C), and with physical practice (PP) training alone; and (3) investigate the dose-response relationships of MI practice...
March 14, 2018: Sports Medicine
Monica Taylor, Elizabeth F Nagle, Fredric L Goss, Elaine N Rubinstein, Andrew Simonson
Monitoring an athlete's energy intake and energy expenditure (EE) is an important consideration of nutritional planning for sport conditioning and peak performance. In order to provide appropriate recommendations regarding nutritional requirements and caloric needs, an accurate determination of energy requirements is necessary. By knowing an individual's EE, a coach, athletic performance staff or trainer can effectively determine training loads and volumes necessary for periodization and seasonal planning for a particular sport...
2018: International Journal of Exercise Science
Jonathan S Howard, Cherilyn N McLester, Thomas W Evans, John R McLester, Jimmy P Calloway
The PhysioFlow™ is a piece of equipment that uses bioimpedance cardiography to measure central hemodynamics. The purpose of this research was to explore the novel approach of monitoring central hemodynamics during free weight resistance exercise using bioimpedance cardiography throughout a 5 repetition maximum (5RM). Thirty participants ranging from beginner to advanced lifters (16 males and 14 females) completed a 5RM for back squat, seated push press, and bicep curl while connected to the PhysioFlow™ to assess the response of heart rate (HR), stroke volume (SV), cardiac output (Q), and ejection fraction (EF)...
2018: International Journal of Exercise Science
Michael D Kennedy, Jessie M S Gill, Alastair N H Hodges
Background: Diagnosing Airway hyper-responsiveness (AHR) requires bronchial provocation tests that are performed at rest and after exercise or hyperventilation in either a lab or field setting. Presently, it is unclear whether the proposed AHR field test for swimming induces sufficient provocation due to lack of intensity. Thus we aimed to examine how the 8 minute field swim test compared to all out racing and a lower intensity practice exposure affected AHR. We hypothesized that the race would affect AHR the most thereby highlighting the importance of maximal effort in swim AHR...
June 2017: Journal of Exercise Science and Fitness
Kirk B Roberson, Melanie Potiaumpai, Kayla Widdowson, Annmarie Jaghab, Sean Chowdhari, Catherine Armitage, Afton D Seeley, Kevin A Jacobs, Joseph F Signorile
The presence of cardiometabolic syndrome (CMS) infers an increased risk for cardiovascular incidence and mortality, and is associated with reduced health-related quality of life (HRQoL). Although the effects of exercise on biomarkers, HRQoL, and future risk have been studied; no study has measured the effects on all three components. The present study compared the effects of steady-state, moderate-intensity treadmill training (TM) and high-velocity circuit resistance training (HVCRT) on biological markers, HRQoL, and overall CVD risk in adults with CMS and CVD risk factors...
March 14, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Patrizia Ciammella, Giorgia Timon, Alessio Bruni, Davide Franceschini, Paolo Borghetti, Nicolò Giaj-Levra, Carlo Greco, Vieri Scotti, Marco Trovo
INTRODUCTION: Radiation therapy plays an important role in the management of SCLC both in curative and palliative setting, however, conflicting data from clinical trials incite debate over the appropriate use of radiation therapy regarding prophylactic cranial irradiation (PCI) and/or thoracic consolidative in extensive-stage SCLC (ES-SCLC). This survey is conducted to evaluate the current pattern of care among Italian radiation oncologists. METHODS: In June 2016, all Italian radiation oncologists were invited to a web-based survey...
March 13, 2018: La Radiologia Medica
Silvester Liposek, Natasa Zenic, Jose M Saavedra, Damir Sekulic, Jelena Rodek, Miha Marinsek, Dorica Sajber
Although coaching is considered an important determinant of athletes' potential doping behavior (PDB), there is an evident lack of studies that have examined coaching-strategy-and-training-methodology (CS&TM) in relation to PDB. This study was aimed to identify the specific associations that may exist between CS&TM -factors and other factors, and PDB in high-level swimming. The sample comprised 94 swimmers (35 females; 19.7 ± 2.3 years of age) and consisted of swimmers older than 18 years who participated in the 2017 National Championship...
March 2018: Journal of Sports Science & Medicine
Summer B Cook, Brendan R Scott, Katherine L Hayes, Bethany G Murphy
Low-load blood flow restricted (BFR) resistance exercise has been suggested to be as effective as moderate and high-load resistance training for increasing muscle size and strength. The purpose of the study was to evaluate the effects of 6 weeks of HL or low-load BFR resistance training on neuromuscular function, strength, and hypertrophy of the knee extensors. Eighteen participants aged 18-22 years old were randomized to one of three training groups: moderate load (ML: 70% of 1 repetition maximum [1-RM]); BFR (20% 1-RM with a vascular restriction set to ~180 mmHg); and a control group (CON) that did not exercise...
March 2018: Journal of Sports Science & Medicine
Maria Kerti, Zsuzsanna Balogh, Krisztina Kelemen, Janos T Varga
Rationale: The relationship of functional parameters such as lung mechanics, chest kinematics, metabolism and peripheral and respiratory muscle function with the level of exercise tolerance remains a controversial subject. While it has been previously shown that pulmonary rehabilitation is capable of improving exercise tolerance in patients afflicted by COPD, as expressed by values of 6-minute walking test (6MWT), the degree of contribution to this change by each of the aforementioned parameters remains unclear...
2018: International Journal of Chronic Obstructive Pulmonary Disease
Rahman Rahimi
AIM: The purpose of this study was to examine the effect of CYP1A2 -163C>A polymorphism on the ergogenic effects of caffeine supplementation during a resistance exercise (RE) session. METHODS: In a randomized, double-blind, placebo (PL)-controlled, crossover study, 30 resistance-trained men took part in two RE sessions (three sets to failure at 85% of one repetition maximum, 2-min rest between sets), including bench press (BP), leg press (LP), seated cable row, and shoulder press (SP) following caffeine (CAF) (6 mg kg-1 ) or PL (6 mg kg-1 of maltodextrin) ingestion 1 h prior to the trial...
March 12, 2018: Irish Journal of Medical Science
Way-Seah Lee, Chun-Wei Tee, Zhong-Lin Koay, Tat-Seng Wong, Fatimah Zahraq, Hee-Wei Foo, Sik-Yong Ong, Shin-Yee Wong, Ruey-Terng Ng
AIM: To study implications of measuring quality indicators on training and trainees' performance in pediatric colonoscopy in a low-volume training center. METHODS: We reviewed retrospectively the performance of pediatric colonoscopies in a training center in Malaysia over 5 years (January 2010-December 2015), benchmarked against five quality indicators: appropriateness of indications, bowel preparations, cecum and ileal examination rates, and complications. The European Society of Gastrointestinal Endoscopy guideline for pediatric endoscopy and North American Society for Pediatric Gastroenterology, Hepatology and Nutrition training guidelines were used as benchmarks...
March 7, 2018: World Journal of Gastroenterology: WJG
Maria Thor, Andrew Jackson, Michael J Zelefsky, Gunnar Steineck, Asa Karlsdòttir, Morten Høyer, Mitchell Liu, Nicola J Nasser, Stine E Petersen, Vitali Moiseenko, Joseph O Deasy
PURPOSE: To investigate whether inter-institutional cohort analysis uncovers more reliable dose-response relationships exemplified for late rectal bleeding (LRB) following prostate radiotherapy. MATERIAL AND METHODS: Data from five institutions were used. Rectal dose-volume histograms (DVHs) for 989 patients treated with 3DCRT or IMRT to 70-86.4 Gy@1.8-2.0 Gy/fraction were obtained, and corrected for fractionation effects (α/β = 3 Gy). Cohorts with best-fit Lyman-Kutcher-Burman volume-effect parameter a were pooled after calibration adjustments of the available LRB definitions...
March 9, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Joseph A Ladapo, Charles E Spritzer, Xuan V Nguyen, Judy Pool, Elvira Lang
PURPOSE: Examine the cost of MRI operations before and after implementation of interpersonal skills training to reduce unanticipated patient-related events in an academic medical center. METHODS: Teams at four MRI sites (two hospital-based, two freestanding) were trained in evidence-based communication skills in February to April 2015. Training was designed to enable staff members to help patients mobilize their innate coping skills in response to any distress they experienced during their MRI visit...
March 9, 2018: Journal of the American College of Radiology: JACR
Fahed Zairi, Camille Troux, Tarek Sunna, Mélodie-Anne Karnoub, Ghassan Boubez, Daniel Shedid
OBJECTIVES: The surgical management of dumbbell tumors of the lumbar spine remains controversial, because of their large volume and complex location, involving both the spinal canal and the retro peritoneum. While sporadically reported, our study aims to confirm the value of minimally invasive posterior access for the complete resection of large lumbar dumbbell tumors. PATIENTS AND METHODS: In this prospective study, we included all consecutive patients who underwent the resection of a voluminous dumbbell tumor at the lumbar spine through a minimally invasive approach, between March 2015 and August 2017...
March 5, 2018: Clinical Neurology and Neurosurgery
Kenji Kuzuhara, Kanako Katai, Tatsuya Hojo, Yoshihiko Fujisawa, Misaka Kimura, Yasuyoshi Yanagida, Yosuke Yamada, Junta Iguchi
Well-controlled seasonal distribution of training intensity appears to be an important variable for endurance athletes' success as competitors and/or for avoidance of overtraining. The aim of this study was to examine the interrelationships of training distribution, body composition, energy intake/expenditure, and rowing ergometer performance throughout the 2012-2013 season. In the present study of 15 collegiate male rowers, most of whom started rowing during their time at the university, we divided the 2012-2013 season (total 37 weeks) into 3 phases (off-season, December to mid-March, 16 weeks; pre-season, late March to April, 5 weeks; and in-season, May to August, 16 weeks) and analyzed the transition of 2000-m rowing ergometer time, training intensity/volume, body composition (body weight and body fat) and energy intake/expenditure in each phase...
March 6, 2018: Journal of Strength and Conditioning Research
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