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https://www.readbyqxmd.com/read/29161801/impact-of-sarcopenia-on-long-term-mortality-and-cardiovascular-events-in-patients-undergoing-hemodialysis
#1
Jwa-Kyung Kim, Sung Gyun Kim, Ji-Eun Oh, Young-Ki Lee, Jung-Woo Noh, Hyung Jik Kim, Young Rim Song
Background/Aims: A high body mass index (BMI) is known to correlate with better survival in patients on hemodialysis (HD). However, the impacts of body composition and sarcopenia on survival have not been well studied in this population. Methods: One hundred and forty-two prevalent HD patients were recruited and followed prospectively for up to 4.5 years. Low muscle mass (measured using a portable, whole-body, bioimpedance spectroscopic device) was defined as a lean tissue index (LTI) two standard deviations (SD) or more below the normal gender-specific mean for young people...
November 23, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29161094/the-effect-of-resistance-training-in-a-hypoxic-chamber-on-physical-performance-in-elite-rugby-athletes
#2
Brad Mayo, Cory Miles, Stacy Sims, Matthew Driller
Mayo, Brad, Cory Miles, Stacy Sims, and Matthew Driller. The effect of resistance training in a hypoxic chamber on physical performance in elite rugby athletes. High Alt Med Biol 00:000-000, 2017.-Limited research suggests that muscle adaptations may be enhanced through resistance training in a hypoxic environment. Seventeen professional rugby union athletes (age [mean ± SD], 24 ± 3 years; body mass, 98.7 ± 12.8 kg; and height, 188.9 ± 7.9 cm), performed 12 resistance training sessions over a 3-week period...
November 21, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/29160375/comparative-study-of-respiratory-muscle-strength-in-women-undergoing-conventional-and-single-port-laparoscopic-cholecystectomy
#3
Marisa de Carvalho Borges, Tharsus Dias Takeuti, Júverson Alves Terra, Alex Augusto da Silva, Eduardo Crema
PURPOSE: To evaluate respiratory muscle strength (PImax and PEmax) before and 24 and 48 h after conventional and single-port laparoscopic cholecystectomy. METHODS: Forty women with symptomatic cholelithiasis (18 to 70 years) participated in the study. The patients were divided into two groups: 21 patients undergoing conventional laparoscopic cholecystectomy and 19 patients undergoing single-port laparoscopic cholecystectomy. Differences were considered to be significant when p<0...
October 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29159144/thermoresponsive-graphene-oxide-starch-micro-nanohydrogel-composite-as-biocompatible-drug-delivery-system
#4
Mina Sattari, Marziyeh Fathi, Mansour Daei, Hamid Erfan-Niya, Jaleh Barar, Ali Akbar Entezami
Introduction: Stimuli-responsive hydrogels, which indicate a significant response to the environmental change (e.g., pH, temperature, light, …), have potential applications for tissue engineering, drug delivery systems, cell therapy, artificial muscles, biosensors, etc. Among the temperature-responsive materials, poly (N-isopropylacrylamide) (PNIPAAm) based hydrogels have been widely developed and their properties can be easily tailored by manipulating the properties of the hydrogel and the composite material...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/29157738/do-hip-muscle-weakness-and-dynamic-knee-valgus-matter-for-the-clinical-evaluation-and-decision-making-process-in-patients-with-patellofemoral-pain
#5
REVIEW
Nayra Deise Dos Anjos Rabelo, Paulo Roberto Garcia Lucareli
BACKGROUND: Patellofemoral pain is a very common musculoskeletal condition. In the last years, evidence regarding this disease increased exponentially. Although widely investigated, this problem still frustrates patients and clinicians for having an unfavorable prognosis. Some gaps still exist in the understanding and managing of patellofemoral pain. Numerous cross-sectional association studies show an association between gluteus muscular strength and dynamic knee valgus in patients with patellofemoral pain...
November 8, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/29157315/botulinum-toxin-type-a-injections-as-monotherapy-for-upper-limb-essential-tremor-using-kinematics
#6
Olivia Samotus, Niraj Kumar, Philippe Rizek, Mandar Jog
BACKGROUND: There is a significant need for a targeted therapy for essential tremor (ET), as medications have not been developed specifically for ET, and the ones prescribed are often not well-tolerated, so that many patients remain untreated. Recent work has shown that, unlike previous experience, kinematically guided individualized botulinum toxin type A (BoNT-A) injections provide benefit along with minimal weakness. Ours is the first long-term (96-week) safety and efficacy study of BoNT-A as monotherapy for ET using kinematically driven injection parameters...
November 21, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29157139/authors-response-to-letter-to-the-editor-bar-velocities-capable-of-optimising-the-muscle-power-in-strength-power-exercises-by-loturco-pereira-abad-tabares-moraes-kobal-kitamura-nakamura-2017
#7
Irineu Loturco
Our study in the Journal of Sports Sciences was originally designed to test whether the bar-velocity is a precise indicator of the power training intensity (i.e., optimum loads) in different exercises commonly included in athletes' training programs. Furthermore, we presented secondary findings, related to the actual results obtained in our assessments. As a cross-sectional study with clear objectives, we focused on discussing issues and applications pertaining to neuromuscular training interventions, such as: (1) describing the advantages of using bar-velocities to control the power training intensity, (2) defining a range of loads capable of maximizing the power production in certain ballistic and traditional exercises, and (3) revealing the differences between these exercises and the respective implications for training...
November 20, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29156093/functional-and-molecular-outcomes-of-the-human-masticatory-muscles
#8
REVIEW
Gaetano Isola, Giuseppe Anastasi, Giovanni Matarese, Ray C Williams, Giuseppina Cutroneo, Pietro Bracco, Maria Grazia Piancino
The masticatory muscles achieve a broad range of different activities such as chewing, sucking, swallowing and speech. In order to accomplish these duties, masticatory muscles have a unique and heterogeneous structure and fibre composition, enabling them to produce their strength and contraction speed largely dependent on their motor units and myosin proteins that can change in response to genetic and environmental factors. Human masticatory muscles express unique myosin isoforms, including a combination of thick fibers, expressing myosin light chains (MyLC) and myosin class I and II heavy chains (MyHC) -IIA, -IIX, α-cardiac, embryonic and neonatal and thin fibers, respectively...
November 20, 2017: Oral Diseases
https://www.readbyqxmd.com/read/29155456/identifying-sarcopenia-in-female-long-term-care-residents-a-comparison-of-current-guidelines
#9
Mary P Kotlarczyk, Subashan Perera, David A Nace, Neil M Resnick, Susan L Greenspan
OBJECTIVES: To establish the prevalence of sarcopenia in a long-term care population, assess agreement among different consensus sarcopenia diagnostic criteria, and examine agreement of a self-reported questionnaire with consensus guidelines. DESIGN: Cross-sectional secondary analysis. SETTING: Long-term care communities in the greater Pittsburgh, Pennsylvania, area. PARTICIPANTS: Women aged 65 and older (mean 83.6) undergoing eligibility screening for a fracture reduction trial (N = 141)...
November 20, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29155334/respiratory-muscle-strength-is-decreased-after-maximal-incremental-exercise-in-trained-runners-and-cyclists
#10
Ferid Oueslati, Ahmed Berriri, Jan Boone, Said Ahmaidi
The respiratory muscle fatigue seems to be able to limit exercise performance and may influence the determination of maximal oxygen uptake (V̇O2max) or maximum aerobic work rate during maximal incremental test. The aim of this study was therefore to investigate whether maximal incremental exercise decreases respiratory muscle strength. We hypothesized that respiratory muscle strength (maximal pressure) will decrease after maximal incremental exercise to exhaustion. 36 runners and 23 cyclists completed a maximal incremental test on a treadmill or a cycle ergometer with continuous monitoring of expired gases...
November 18, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29154863/development-of-a-selective-hplc-dad-elsd-method-for-the-qualitative-and-quantitative-assessment-of-commercially-available-eurycoma-longifolia-products-and-plant-extracts
#11
Benjamin Mutschlechner, Stefan Schwaiger, Van Anh Thi Tran, Hermann Stuppner
Aqueous extracts of the roots of Eurycoma longifolia are traditionally used to improve sexual performance, to treat infertility and other sexual dysfunctions but also to increase muscle strength. Nowadays, many different products are commercially available which are promoted as E. longifolia extracts and claim to possess beneficial aphrodisiac effects. Since such herbal aphrodisiac preparations have been recently the target of fraudulent product counterfeiting and because eurycomanone, one of the main quassinoids of E...
November 14, 2017: Fitoterapia
https://www.readbyqxmd.com/read/29154407/exercise-dynamic-stability-under-unstable-conditions-increases-muscle-strength-and-balance-ability-in-the-elderly
#12
Azza Hamed, Sebastian Bohm, Falk Mersmann, Adamantios Arampatzis
The purpose of the current study was to assess the effectiveness of a specific exercise intervention of mechanisms to control dynamic postural stability under unstable conditions in old adults. Forty-seven old adults (65-80 years) were assigned to two experimental groups (muscle strength group, n=15, perturbation-based group, n=16) and a control group (n=16). The strength group performed resistance exercises for legs and trunk muscles, while the perturbation-based group exercised mechanisms of dynamic stability under unstable conditions...
November 20, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29154308/functional-limitations-and-associated-psychological-factors-in-military-personnel-with-chronic-nonspecific-neck-pain-with-higher-levels-of-kinesiophobia
#13
Ibai López-de-Uralde-Villanueva, Ricardo Notario-Pérez, Tamara Del Corral, Bernardo Ramos-Díaz, Mario Acuyo-Osorio, Roy La Touche
BACKGROUND: Neck pain is one of the largest health problems in the military sector. OBJECTIVE: To assess differences in the strength and endurance of the cervical muscles between military personnel with chronic nonspecific neck pain (CNSNP) with higher level of kinesiophobia (CNSNP-K) and individuals with lower levels of kinesiophobia (CNSNP-NK). METHODS: We used kinesiophobia as a classification method: (1) CNSNP-K and (2) CNSNP-NK. The variables measured were endurance and strength of cervical muscles; range of motion (ROM), disability, pain intensity and psychological factors...
2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29153826/performance-evaluation-of-phase-angle-and-handgrip-strength-in-patients-undergoing-cardiac-surgery-prospective-cohort-study
#14
Taís Kereski da Silva, Ingrid Dalira Schweigert Perry, Janete Salles Brauner, Orlando Carlos Belmonte Weber, Gabriela Corrêa Souza, Sílvia Regina Rios Vieira
BACKGROUND AND AIMS: The phase angle (PA), derived from bioelectrical impedance analysis (BIA), has been interpreted as a cell membrane integrity indicator, while handgrip strength (HGS) has been used as a prognostic indicator in certain clinical situations, such as in cardiac, oncologic patients with renal disease, hemodialysis patients, HIV-positive patients, and liver disease patients. In addition to prognostic scores, body changes due to surgical procedures indicate the importance of measuring muscle function and cell integrity...
November 16, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/29153258/novel-equations-for-estimating-lean-body-mass-in-patients-with-chronic-kidney-disease
#15
Xue Tian, Yuan Chen, Zhi-Kai Yang, Zhen Qu, Jie Dong
OBJECTIVE: Simplified methods to estimate lean body mass (LBM), an important nutritional measure representing muscle mass and somatic protein, are lacking in nondialyzed patients with chronic kidney disease (CKD). We developed and tested 2 reliable equations for estimation of LBM in daily clinical practice. DESIGN AND METHODS: The development and validation groups both included 150 nondialyzed patients with CKD Stages 3 to 5. Two equations for estimating LBM based on mid-arm muscle circumference (MAMC) or handgrip strength (HGS) were developed and validated in CKD patients with dual-energy x-ray absorptiometry as referenced gold method...
November 15, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29152896/trimetazidine-restores-the-positive-adaptation-to-exercise-training-by-mitigating-statin-induced-skeletal-muscle-injury
#16
Ming Song, Fang-Fang Chen, Yi-Hui Li, Lei Zhang, Feng Wang, Ran-Ran Qin, Zhi-Hao Wang, Ming Zhong, Meng-Xiong Tang, Wei Zhang, Lu Han
BACKGROUND: Exercise rehabilitation is demonstrated to improve the prognosis of patients with coronary heart disease (CHD). Statins, as the key medicine to lower cholesterol in CHD, result in skeletal muscle injury and impair exercise training adaptation. Energy metabolism dysfunction is identified as the potential mechanism underlying statin-induced skeletal muscle injury. In this study, we investigated the effects of the metabolic modulator trimetazidine on skeletal muscle energy metabolism and statin-associated exercise intolerance...
November 19, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29152783/comparison-of-sub-versus-suprafascially-raised-anterolateral-thigh-free-flaps-with-regard-to-donor-site-morbidity-function-and-aesthetics
#17
Sebastian Fischer, Yannick Diehm, Christoph Hirche, Thomas Kremer, Adrien Daigeler, Ulrich Kneser, J Frederick Hernekamp
BACKGROUND: Although the anterolateral thigh flap (ALT) is one of the most frequently applied free flaps in plastic surgery, it remains controversial if the flap should be raised in a sub- or suprafascial plane. The purpose of this study was to compare both harvest techniques regarding donor-site morbidity and outcomes. METHODS: We included 40 pair-matched patients, of whom 20 received a fasciocutaneous and 20 an adipocutaneous ALT free flap for extremity reconstruction...
November 20, 2017: Microsurgery
https://www.readbyqxmd.com/read/29151305/comparison-of-nutritional-risk-screening-tools-for-predictingsarcopenia-in-hospitalized-patients
#18
(no author information available yet)
Background/aim: The aim of this study was to assess the risk of malnutrition in hospitalized patients with three different tests and to compare these tests in terms of long hospitalization periods and sarcopenia. Materials and methods: Hospitalized patients in an internal medicine clinic were enrolled in this cross-sectional study. Patients were grouped as under 65 years (Group 1 = G1) and over 65 years old (Group 2 = G2). The nutritional status of the patients was evaluated with the Nutritional Risk Screening (NRS) 2002, Universal Malnutrition Screening Tool (MUST), Mini Nutritional Assessment Short Form (MNA-SF), and total Mini Nutritional Assessment (MNA) tests...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29151281/skeletal-muscle-performance-and-ageing
#19
REVIEW
Michael Tieland, Inez Trouwborst, Brian C Clark
The world population is ageing rapidly. As society ages, the incidence of physical limitations is dramatically increasing, which reduces the quality of life and increases healthcare expenditures. In western society, ~30% of the population over 55 years is confronted with moderate or severe physical limitations. These physical limitations increase the risk of falls, institutionalization, co-morbidity, and premature death. An important cause of physical limitations is the age-related loss of skeletal muscle mass, also referred to as sarcopenia...
November 19, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29150988/patterns-and-correlates-of-grip-strength-in-older-americans
#20
Kimberly Forrest, Adelle Williams, Marcy Leeds, Joseph Robare, Thomas Bechard
BACKGROUND: Muscle strength is a sensitive indicator of morbidity and mortality in older adults. Loss of muscle strength contributes to a decline in physical functioning. Hand grip strength is a simple measurement but correlated with total body muscle strength. This study evaluated the patterns and correlates of grip strength among older adults in the United States. METHODS: The grip strength data were analyzed from the National Health and Nutrition Examination Survey...
November 16, 2017: Current Aging Science
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