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https://www.readbyqxmd.com/read/28214400/association-between-bisphosphonate-therapy-and-outcomes-from-rehabilitation-in-older-people
#1
James A Goodbrand, Lloyd D Hughes, Lynda Cochrane, Peter T Donnan, Mark McGilchrist, Helen Frost, Marion E T McMurdo, Miles D Witham
BACKGROUND: Bisphosphonate therapy may have actions beyond bone, including effects on cardiovascular, immune and muscle function. We tested whether bisphosphonate treatment is associated with improved outcomes in older people undergoing inpatient rehabilitation. METHODS: Analysis of prospectively collected, linked routine clinical datasets. Participants were divided into never users of bisphosphonates, use prior to rehabilitation only, use after rehabilitation only, and current users (use before and after rehabilitation)...
February 11, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28213925/rotator-cuff-disease-opinion-regarding-surgical-criteria-and-likely-outcome
#2
Alison Thorpe, Mark Hurworth, Peter O'Sullivan, Tim Mitchell, Anne Smith
BACKGROUND: Clinical guidelines for the management of rotator cuff disease are not clear. Surgeon surveys in the USA and UK lack agreement regarding surgical indications. Physical examination tests aid surgical decision-making but also lack robust evidence. Study aims were to evaluate: Western Australian orthopaedic surgeons' perceptions about surgical indications; utility of physical examination tests; findings at surgery predictive of outcome and surgeon opinion of a successful surgical outcome...
February 17, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28213864/electrical-stimulation-of-denervated-rat-skeletal-muscle-ameliorates-bone-fragility-and-muscle-loss-in-early-stage-disuse-musculoskeletal-atrophy
#3
Hiroyuki Tamaki, Kengo Yotani, Futoshi Ogita, Keishi Hayao, Kouki Nakagawa, Kazuhiro Sugawara, Hikari Kirimoto, Hideaki Onishi, Norikatsu Kasuga, Noriaki Yamamoto
We tested whether daily muscle electrical stimulation (ES) can ameliorate the decrease in cortical bone strength as well as muscle and bone geometric and material properties in the early stages of disuse musculoskeletal atrophy. 7-week-old male F344 rats were randomly divided into three groups: age-matched control group (Cont); a sciatic denervation group (DN); and a DN + direct electrical stimulation group (DN + ES). Denervated tibialis anterior (TA) muscle in the DN + ES group received ES with 16 mA at 10 Hz for 30 min/day, 6 days/week...
February 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28213467/hypoxia-induces-arginase-ii-expression-and-increases-viable-human-pulmonary-artery-smooth-muscle-cell-numbers-via-ampk%C3%AE-1-signaling
#4
Jianjing Xue, Leif D Nelin, Bernadette Chen
Pulmonary artery smooth muscle cell (PASMC) proliferation is one of the hallmark features of hypoxia-induced pulmonary hypertension. With only supportive treatment options available for this life threatening disease, treating and preventing the proliferation of PASMCs is a viable therapeutic option. A key promoter of hypoxia-induced increases in the number of viable human PASMCs is arginase II, with attenuation of viable cell numbers following pharmacologic inhibition or siRNA knockdown of the enzyme. Additionally, increased levels of arginase have been demonstrated in the pulmonary vasculature of patients with pulmonary hypertension...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28213156/myotonic-dystrophy-disease-repeat-range-penetrance-age-of-onset-and-relationship-between-repeat-size-and-phenotypes
#5
REVIEW
Kevin Yum, Eric T Wang, Auinash Kalsotra
Myotonic dystrophy (DM) is an autosomal dominant neuromuscular disease primarily characterized by myotonia and progressive muscle weakness. The pathogenesis of DM involves microsatellite expansions in noncoding regions of transcripts that result in toxic RNA gain-of-function. Each successive generation of DM families carries larger repeat expansions, leading to an earlier age of onset with increasing disease severity. At present, diagnosis of DM is challenging and requires special genetic testing to account for somatic mosaicism and meiotic instability...
February 14, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28212798/protein-kinase-c-as-regulator-of-vascular-smooth-muscle-function-and-potential-target-in-vascular-disorders
#6
H C Ringvold, R A Khalil
Vascular smooth muscle (VSM) plays an important role in maintaining vascular tone. In addition to Ca(2+)-dependent myosin light chain (MLC) phosphorylation, protein kinase C (PKC) is a major regulator of VSM function. PKC is a family of conventional Ca(2+)-dependent α, β, and γ, novel Ca(2+)-independent δ, ɛ, θ, and η, and atypical ξ, and ι/λ isoforms. Inactive PKC is mainly cytosolic, and upon activation it undergoes phosphorylation, maturation, and translocation to the surface membrane, the nucleus, endoplasmic reticulum, and other cell organelles; a process facilitated by scaffold proteins such as RACKs...
2017: Advances in Pharmacology
https://www.readbyqxmd.com/read/28212050/volume-controlled-ventilation-does-not-prevent-injurious-inflation-during-spontaneous-effort
#7
Takeshi Yoshida, Susumu Nakahashi, Maria Aparecida Miyuki Nakamura, Yukiko Koyama, Rollin Roldan, Vinicius Torsani, Roberta R De Santis, Susimeire Gomes, Akinori Uchiyama, Marcelo B P Amato, Brian P Kavanagh, Yuji Fujino
RATIONALE: Spontaneous breathing during mechanical ventilation increases transpulmonary pressure and tidal volume, and worsens lung injury. Intuitively, controlling tidal volume and transpulmonary pressure might limit injury from added spontaneous effort. OBJECTIVES: To test the hypothesis that during spontaneous effort in injured lungs, tidal volume and transpulmonary pressure limitation by volume-controlled ventilation results in less injurious patterns of inflation...
February 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28211842/assessment-of-upper-limb-musculoskeletal-pain-and-posture-in-workers-of-packaging-units-of-pharmaceutical-industries
#8
Yasser Labbafinejad, Hossein Danesh, Zahra Imanizade
BACKGROUND: Work-related musculoskeletal disorders are defined as the disabling or painful injury to the muscles, nerves or tendons that are caused by work or aggravated by it. Some studies confirm the association between working in packaging units in various industries and the pain in the upper limb, but also there are controversies about the possible risk factors among different working populations. OBJECTIVE: The present study aims to define the potential ergonomic risk factors for musculoskeletal pain in the upper limb...
February 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28211797/effects-of-an-intervention-based-on-the-transtheoretical-model-on-back-muscle-endurance-physical-function-and-pain-in-rice-farmers-with-chronic-low-back-pain
#9
Thanakorn Thanawat, Nomjit Nualnetr
BACKGROUND: Chronic low back pain (LBP) can be managed by exercises which should be tailored to an individual's readiness to behavioral change. OBJECTIVE: To evaluate the effects of an intervention program based on the Transtheoretical Model of behavioral change (TTM) on back muscle endurance, physical function and pain in rice farmers with chronic LBP. METHODS: In a 32-week study, 126 rice farmers were allocated to the TTM (n= 62) and non-TTM (n= 64) groups...
February 3, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28211794/test-retest-reliability-of-muscle-fiber-conduction-velocity-and-fractal-dimension-of-surface-emg-during-isometric-contractions
#10
Matteo Beretta-Piccoli, Giuseppe D'Antona, Cristian Zampella, Marco Barbero, Ron Clijsen, Corrado Cescon
The aim of this study was to determine the test-retest reliability of muscle fiber conduction velocity (CV) and fractal dimension (FD) obtained from multichannel surface electromyographic (sEMG) recordings. Forty healthy recreationally active subjects (20 men and 20 women) performed two elbow flexions on two trials with a 1-week interval. The first was a 20% maximal voluntary contraction (MVC) of 120 s, and the second at 60% MVC held until exhaustion. sEMG signals were detected from the biceps brachii, using bi-dimensional arrays...
February 17, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28210756/high-precision-zinc-stable-isotope-measurement-of-certified-biological-reference-materials-using-the-double-spike-technique-and-multiple-collector-icp-ms
#11
Rebekah E T Moore, Fiona Larner, Barry J Coles, Mark Rehkämper
Biological reference materials with well-characterised stable isotope compositions are lacking in the field of 'isotope biochemistry', which seeks to understand bodily processes that rely on essential metals by determining metal stable isotope ratios. Here, we present Zn stable isotope data for six biological reference materials with certified trace metal concentrations: fish muscle, bovine muscle, pig kidney, human hair, human blood serum and human urine. Replicate analyses of multiple aliquots of each material achieved reproducibilities (2sd) of 0...
February 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#12
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210214/arginine-vasopressin-alters-both-spontaneous-and-phase-locked-synaptic-inputs-to-airway-vagal-preganglionic-neuron-via-activation-of-v1a-receptor-insights-into-stress-related-airway-vagal-excitation
#13
Xianxia Yan, Xingxin Chen, Yuhong Guo, Ding He, Yonghua Chen, Chunmei Xia, Jijiang Wang
The airway vagal preganglionic neurons (AVPNs) in the external formation of the nucleus ambiguus (eNA) play a major role in the vagal control of tracheobronchial smooth muscle tone and maintenance of airway resistance. The eNA receives vasopressinergic projection from the hypothalamic paraventricular nucleus (PVN), the key node for the genesis of psychological stress. Since airway vagal excitation is reportedly to be associated with the psychological stress-induced/exacerbated airway hyperresponsiveness in asthmatics, arginine vasopressin (AVP) might be involved in stress-related airway vagal excitation...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28210056/the-effects-of-pre-exercise-vibration-stimulation-on-the-exercise-induced-muscle-damage
#14
Ji-Yun Kim, Da-Haeng Kang, Joon-Hee Lee, Se-Min O, Jae-Keun Jeon
[Purpose] To investigate the effects of pre-induced muscle damage vibration stimulation on the pressure-pain threshold and muscle-fatigue-related metabolites of exercise-induced muscle damage. [Subjects and Methods] Thirty healthy, adult male subjects were randomly assigned to the pre-induced muscle damage vibration stimulation group, post-induced muscle damage vibration stimulation group, or control group (n=10 per group). To investigate the effects of pre-induced muscle damage vibration stimulation, changes in the pressure-pain threshold (lb), creatine kinase level (U/L), and lactate dehydrogenase level (U/L) were measured and analyzed at baseline and at 24 hours, 48 hours, and 72 hours after exercise...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210031/effects-of-exercise-therapy-during-dialysis-for-elderly-patients-undergoing-maintenance-dialysis
#15
Yusuke Chigira, Takahiro Oda, Masataka Izumi, Tukasa Yoshimura
[Purpose] Exercise therapy during dialysis is currently being recommended since it is easy for patients to follow and results in high participation rates. In this study, this therapy was performed for elderly patients undergoing maintenance dialysis, and its effects were examined. [Subjects and Methods] Seven elderly patients (age: 70.6 ± 4.4) with chronic renal failure, who were able to perform exercises during maintenance dialysis, received the exercise therapy 2 or 3 times weekly for 3 months. Lower-limb muscle strength as well as the standardized dialysis dose (Kt/V) was measured before and after intervention...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209438/excessive-daytime-sleepiness-in-a-patient-with-coexisting-myotonic-dystrophy-type-1-myasthenia-gravis-and-graves-disease
#16
Katarzyna Kapica-Topczewska, Robert Pogorzelski, Joanna Tarasiuk, Wiesław Drozdowski, Piotr Lewczuk, Alina Kułakowska
A 41-year-old female with history of Graves' disease, bilateral cataract, paroxysmal atrial fibrillation was admitted because of muscle weakness, daytime sleepiness, fatigability, drowsiness, bilateral eyelid ptosis, descending of head and lower jaw. On neurological examination the patient was presented with muscle weakness, muscle atrophy (in face and sternocleidomastoid muscles), features of myotonia and apocamnosis (orbicular muscles). Electromyography revealed myopathic changes, myotonic and pseudomyotonic discharges, positive repetitive nerve stimulation test in proximal muscles...
February 3, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28209080/antispasmodic-and-bronchorelaxant-activities-of-salsola-imbricata-are-mediated-through-dual-ca-2-antagonistic-and-%C3%AE-adrenergic-agonistic-effects
#17
Naveed Aslam, Khalid Hussain Janbaz
CONTEXT: Salsola imbricata Forssk. (Chenopodiaceae) has folkloric repute for the treatment of various gastrointestinal and respiratory ailments. OBJECTIVE: The present study investigates spasmolytic and bronchorelaxant effects of S. imbricata. MATERIALS AND METHODS: The crude aqueous-ethanol extract of the aerial parts of S. imbricata and its fractions, in cumulative concentrations (0.01-10 mg/mL), were tested on contractions of isolated rabbit jejunum and tracheal preparations...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28208991/effect-of-thoracic-correction-exercises-in-upper-body-dysfunction-of-94-year-old-male-participant-a-case-report
#18
P Senthil, S Sudhakar, R Radhakrishnan
The case report has been presented to show the effects of thoracic correction exercises on flexed posture in older men with upper body dysfunction using posture analysis software and pectoralis minor muscle length test. The present case is that of a 94-year-old male. He was guided for a specific thoracic correction exercises for 12 weeks. The program included breathing correction, thorax mobility, scapular stability and passive stretching of Pectoralis major and minor, performed thrice a week, 30 min each session, for 12 weeks...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208979/evaluation-of-the-efficacy-of-bupivacaine-0-5-alone-or-with-clonidine-1%C3%AE-g-kg-versus-control-in-a-single-level-paravertebral-blockin-patients-undergoing-pcnl-procedure
#19
Trupti S Kamble, Charulata Mahesh Deshpande
INTRODUCTION: Percutaneous Nephrolithotomy (PCNL) is a widely used procedure to remove complex upper tract renal calculi by means of a nephroscope. Although less invasive, PCNL is associated with significant pain owing to soft tissue injury. Most of these patients have mild to moderately compromised renal function. An anaesthesia plan that reduces intraoperative requirement of anaesthetics, analgesics, muscle relaxants and postoperative requirement of systemic analgesics is essential...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208087/morphomechanical-alterations-in-the-medial-gastrocnemius-muscle-in-patients-with-a-repaired-achilles-tendon-associations-with-outcome-measures
#20
Wei-Chen Peng, Yi-Ping Chang, Yuan-Hung Chao, S N Fu, Christer Rolf, Tiffany Tf Shih, Sheng-Chu Su, Hsing-Kuo Wang
BACKGROUND: Functional deficits are found in ankles that have sustained an Achilles rupture. This study sought to evaluate and compare the morphomechanical characteristics of the medial gastrocnemius muscle in the legs of participants within six months of a unilateral Achilles repair to determine any correlations between those characteristics and objective outcomes and self-reported functional levels. METHODS: Fifteen participants were assessed via measurements of muscle morphologies (fascicle length, pennation angle, and muscle thickness) in a resting state, the mechanical properties of the proximal aponeurosis of the medial gastrocnemius muscle, the pennation angle during ramping maximal voluntary isometric contractions (MVIC), the heel raise test, and the Taiwan Chinese version of the Lower Extremity Functional Scale (LEFS-TC) questionnaire...
February 8, 2017: Clinical Biomechanics
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