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https://www.readbyqxmd.com/read/28647809/left-ventricles-of-aging-athletes-better-untwisters-but-not-more-relaxed-during-exercise
#1
Claire Maufrais, G Doucende, T Rupp, M Dauzat, P Obert, S Nottin, I Schuster
OBJECTIVE: With an aging population and the increasing prevalence of heart failure with preserved ejection fraction, developing strategies to prevent diastolic dysfunction is crucial. Regular endurance training has been suggested to be one such strategy. However, the underlying mechanisms of training, including the effect on left ventricular (LV) untwist, which promotes LV filling, are unclear and studies exploring the heart during exercise in the aging heart are lacking. METHODS: Cardiopulmonary exercise testing with speckle tracking echocardiography was realized in male subjects: 16 young athletes (YA), 19 young controls (YC), 22 middle-aged athletes (MA) with a lifelong history of endurance training, and 20 middle-aged controls (MC)...
June 24, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28646597/a-contrast-enhanced-ultrasonographic-study-about-the-impact-of-long-term-exercise-training-on-mammary-tumor-vascularization
#2
Ana I Faustino-Rocha, Adelina Gama, Paula A Oliveira, Katrien Vanderperren, Jimmy H Saunders, Maria J Pires, Rita Ferreira, Mário Ginja
OBJECTIVES: This study aimed to evaluate the impact of long-term exercise training on the vascularization of rat mammary tumors. METHODS: Female rats were divided into 4 groups: N-methyl-N-nitrosourea (MNU) treated sedentary, MNU treated exercised, control sedentary, and control exercised. Tumor development was induced in the MNU groups by MNU administration. Exercised groups were trained for 35 weeks. Tumor vascularization was evaluated by pulsed Doppler and contrast-enhanced ultrasonography...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646223/regular-exercise-participation-improves-genomic-stability-in-diabetic-patients-an-exploratory-study-to-analyse-telomere-length-and-dna-damage
#3
Ivan Dimauro, Antonella Sgura, Monica Pittaluga, Fiorenza Magi, Cristina Fantini, Rosa Mancinelli, Antonio Sgadari, Stefania Fulle, Daniela Caporossi
Physical activity has been demonstrated to be effective in the prevention and treatment of different chronic conditions, including type 2 diabetes (T2D). In particular, several studies highlighted how the beneficial effects of physical activity may be related to the stability of the DNA molecule, such as longer telomeric ends. Here we analyze the effect of exercise training on telomere length, spontaneous and H2O2-induced DNA damage, as well as the apoptosis level in leukocytes from untrained or trained T2D patients vs...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645696/exercise-training-improves-functional-status-in-hypertensive-older-adults-under-angiotensin-converting-enzymes-inhibitors-medication
#4
Liliana C Baptista, Aristides M Machado-Rodrigues, Manuel Teixeira Veríssimo, Raul A Martins
BACKGROUND: The study aims to analyze the effect of three types of treatment on functional status, and cardiovascular risk outcomes in hypertensive older adults with comorbidities. METHODS: Participants (n=418) underwent one of the following 3 conditions: i) multicomponent exercise training 3times/week (MEX; n=116); ii) angiotensin converting enzyme inhibitors used mono-dose daily (ACEi; n=70); iii) combined exercise and ACEi drugs (ACEiMEX; n=232). The trial was completed by 82% of the participants (n=342): MEX (n=90); ACEi (n=66); ACEiMEX (n=186)...
June 20, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28642810/association-of-the-composite-inflammatory-biomarker-glyca-with-exercise-induced-changes-in-body-habitus-in-men-and-women-with-prediabetes
#5
David B Bartlett, Cris A Slentz, Margery A Connelly, Lucy W Piner, Leslie H Willis, Lori A Bateman, Esther O Granville, Connie W Bales, Kim M Huffman, William E Kraus
GlycA is a new composite measure of systemic inflammation and a predictor of many inflammatory diseases. GlycA is the nuclear magnetic resonance spectroscopy-derived signal arising from glucosamine residues on acute-phase proteins. This study aimed to evaluate how exercise-based lifestyle interventions modulate GlycA in persons at risk for type 2 diabetes. GlycA, fitness, and body habitus were measured in 169 sedentary adults (45-75 years) with prediabetes randomly assigned to one of four six-month exercise-based lifestyle interventions...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28640773/salivary-mitochondrial-dna-copy-number-is-associated-with-exercise-ventilatory-efficiency
#6
Yang Chen, Helene Z Hill, Gudrun Lange, Michael J Falvo
Chen, Y, Hill, HZ, Lange, G, and Falvo, MJ. Salivary mitochondrial DNA copy number is associated with exercise ventilatory efficiency. J Strength Cond Res 31(7): 2000-2004, 2017-Mitochondrial DNA copy number (mtDNAcn) is an index of mitochondrial content and is responsive to changes in exercise training volume. Therefore, assessment of mtDNAcn may help to optimize exercise prescription and aid in athlete monitoring. Although previous work has assessed mtDNAcn derived from skeletal muscle and blood using invasive approaches, no study has examined salivary mtDNAcn and its relationship with sport performance...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28636204/aerobic-exercise-training-for-adults-with-fibromyalgia
#7
REVIEW
Julia Bidonde, Angela J Busch, Candice L Schachter, Tom J Overend, Soo Y Kim, Suelen M Góes, Catherine Boden, Heather Ja Foulds
BACKGROUND: Exercise training is commonly recommended for individuals with fibromyalgia. This review is one of a series of reviews about exercise training for people with fibromyalgia that will replace the "Exercise for treating fibromyalgia syndrome" review first published in 2002. OBJECTIVES: • To evaluate the benefits and harms of aerobic exercise training for adults with fibromyalgia• To assess the following specific comparisons ० Aerobic versus control conditions (eg, treatment as usual, wait list control, physical activity as usual) ० Aerobic versus aerobic interventions (eg, running vs brisk walking) ० Aerobic versus non-exercise interventions (eg, medications, education) We did not assess specific comparisons involving aerobic exercise versus other exercise interventions (eg, resistance exercise, aquatic exercise, flexibility exercise, mixed exercise)...
June 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28635190/characteristics-of-structured-physical-training-currently-provided-in-cardiac-patients-insights-from-the-exercise-training-in-cardiac-rehabilitation-etcr-italian-survey
#8
Marco Ambrosetti, Patrick Doherty, Pompilio Faggiano, Ugo Corrà, Carlo Vigorito, Dominique Hansen, Patrizio Sarto, Ana Abreu, Roberto F E Pedretti
BACKGROUND:   Uncertainty exists about current delivery levels of exercise training (ET) during Cardiac Rehabilitation (CR) programmes. AIM OF THE STUDY: To evaluate ET modalities in the real world of CR facilities in Italy. METHODS: This was an observational survey of aggregate data, collected from CR facilities on a voluntary basis. Snapshots of a single working day at a local site were made, in terms of characteristics of patients and ET programmes delivered...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28635124/regular-aerobic-exercise-reduces-endothelin-1-mediated-vasoconstrictor-tone-in-overweight-and-obese-adults
#9
Caitlin A Dow, Brian L Stauffer, Danielle L Brunjes, Jared J Greiner, Christopher A DeSouza
Endothelin (ET)-1-mediated vasoconstrictor tone is elevated in overweight and obese adults, contributing to vasomotor dysfunction and increased cardiovascular disease risk. While the effects of habitual aerobic exercise on endothelium-dependent vasodilation in overweight/obese adults has been studied, little is known regarding ET-1 vasoconstriction. Accordingly, the aims of the present study were to determine: (1) if regular aerobic exercise training reduces ET-1-mediated vasoconstrictor tone in overweight and obese adults; and, if so (2) whether the reduction in ET-1 vasoconstriction contributes to exercise-induced improvement in endothelium-dependent vasodilation in this population...
June 20, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28631984/effect-of-exercise-interventions-on-perceived-fatigue-in-people-with-multiple-sclerosis-synthesis-of-meta-analytic-reviews
#10
Reza Safari, Marietta L Van der Linden, Tom H Mercer
Although exercise training has been advocated as a nonpharmacological treatment for multiple sclerosis (MS) related fatigue, no consensus exists regarding its effectiveness. To address this, we collated meta-analytic reviews that explored the effectiveness of exercise training for the treatment of MS-related fatigue. We searched five online databases for relevant reviews, published since 2005, and identified 172 records. Five reviews were retained for systematic extraction of information and evidence quality analysis...
June 20, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28628064/exercise-training-reduces-intrathoracic-fat-regardless-of-defective-glucose-tolerance
#11
Sanna M Honkala, Kumail K Motiani, Jari-Joonas Eskelinen, Anna Savolainen, Virva Saunavaara, Kirsi A Virtanen, Eliisa Löyttyniemi, Jukka Kapanen, Juhani Knuuti, Kari K Kalliokoski, Jarna C Hannukainen
PURPOSE: Epicardial (EAT) and pericardial (PAT) fat masses and myocardial triglyceride content (MTC) are enlarged in obesity and insulin resistance. We studied whether the high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) similarly decrease ectopic fat in and around the heart and whether the decrease is similar in healthy subjects and subjects with defective glucose tolerance (DGT). METHODS: A total of 28 healthy men (body mass index = 20...
July 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28626963/exercise-training-modulates-the-hepatic-renin-angiotensin-system-in-fructose-fed-rats
#12
Eliete Dalla Corte Frantz, Renata Frauches Medeiros, Isabele Gomes Giori, Juliana Bittencourt Silveira Lima, Thais Bento-Bernardes, Thaiane Gadioli Gaique, Caroline Fernandes-Santos, Tiago Fernandes, Edilamar Menezes Oliveira, Carla Paulo Vieira, Carlos Adam Conte-Junior, Karen Jesus Oliveira, Antonio Claudio Lucas da Nóbrega
The renin-angiotensin system (RAS) has been implicated in the development of metabolic syndrome. We investigated whether the hepatic RAS is modulated by exercise training and if this modulation improves the deleterious effects of fructose overload in rats. Male Wistar rats were divided into (n = 8 each) control (CT), exercise control (CT-Ex), high fructose (HFr) and exercise high fructose (HFr-Ex) groups. Fructose-drinking rats received D-fructose (100 g L(-1) ). After two weeks, CT-Ex and HFr-Ex rats were assigned to a treadmill training protocol at moderate-intensity for eight weeks (60 min day(-1) , four days/week)...
June 19, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28625282/high-intensity-exercise-training-for-improving-reproductive-function-in-infertile-patients-a-randomized-controlled-trial
#13
Behzad Hajizadeh Maleki, Bakhtyar Tartibian
OBJECTIVE: The purpose of this RCT was to investigate whether a 24-week program of high-intensity exercise was beneficial for improving reproductive function in infertile male patients. METHODS: Infertile men (n = 433) were randomly assigned to exercise (n = 218) and non-exercise (n = 215) groups. The seminal markers of inflammation and oxidative stress, semen quality parameters, sperm DNA fragmentation, and pregnancy rate were measured at baseline, at the end of week 12, at the end of week 24, and at 7 and 30 days during recovery...
July 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28624257/moderate-exercise-training-decreases-inflammation-in-transgenic-sickle-cell-mice
#14
Emmanuelle Charrin, John J Dubé, Philippe Connes, Vincent Pialoux, Samit Ghosh, Camille Faes, Solomon F Ofori-Acquah, Cyril Martin
Chronic systemic inflammation is a pathophysiological feature of sickle cell disease (SCD). Considering that regular exercise exerts multiple beneficial health effects including anti-inflammatory actions, we investigated whether a treadmill training program could minimize the inflammatory state in transgenic sickle cell (SS) mice. To test this hypothesis, SS mice were subjected to a treadmill training protocol of 1h/day, 5days a week for 8weeks. Exercise training increased the percent of venous oxyhemoglobin and sharply decreased the percent of carboxyhemoglobin suggesting that exercise training may limit the proportion of erythrocytes that were deoxygenated in the venous circulation...
June 13, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28623895/effects-of-home-based-exercise-on-pre-dialysis-chronic-kidney-disease-patients-a-randomized-pilot-and-feasibility-trial
#15
Koji Hiraki, Yugo Shibagaki, Kazuhiro P Izawa, Chiharu Hotta, Akiko Wakamiya, Tsutomu Sakurada, Takashi Yasuda, Kenjiro Kimura
BACKGROUND: Only a few research is available on the effects of home-based exercise training on pre-dialysis chronic kidney disease (CKD) patients. Therefore, we aimed to elucidate the effect of home-based exercise therapy on kidney function and arm and leg muscle strength in pre-dialysis CKD patients. METHODS: Thirty-six male stage 3-4 pre-dialysis CKD patients (age, 68.7 ± 6.8 years; estimated glomerular filtration rate (eGFR), 39.0 ± 11.6 ml/min/1.73 m(2)) who were being treated as outpatients were included...
June 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28623106/the-role-of-physiotherapy-in-patients-undergoing-pulmonary-surgery-for-lung-cancer-a-literature-review
#16
F Kendall, P Abreu, P Pinho, J Oliveira, P Bastos
This review aims to appraise the role of physiotherapy care in patients submitted to pulmonary surgery, in preoperative, perioperative, and postoperative phases. Pulmonary surgery is the gold standard treatment for patients with lung cancer if it is completely resectable. However, the major impairments and complications induced by surgery are well known. Physiotherapy has been regularly used both in the preparation of the surgical candidates; in their functional recovery in the immediate postoperative period, and in the medium/long term but there is a lack of concise evidence-based recommendations...
June 13, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28622359/aerobic-exercise-protects-against-pressure-overload-induced-cardiac-dysfunction-and-hypertrophy-via-%C3%AE-3-ar-nnos-no-activation
#17
Bin Wang, Ming Xu, Wenju Li, Xiaoli Li, Qiangsun Zheng, Xiaolin Niu
Aerobic exercise confers sustainable protection against cardiac hypertrophy and heart failure (HF). Nitric oxide synthase (NOS) and nitric oxide (NO) are known to play an important role in exercise-mediated cardioprotection, but the mechanism of NOS/NO stimulation during exercise remains unclear. The aim of this study is to determine the role of β3-adrenergic receptors (β3-ARs), NOS activation, and NO metabolites (nitrite and nitrosothiols) in the sustained cardioprotective effects of aerobic exercise. An HF model was constructed by transverse aortic constriction (TAC)...
2017: PloS One
https://www.readbyqxmd.com/read/28622156/aerobic-versus-isometric-handgrip-exercise-in-hypertension-a-randomized-controlled-trial
#18
Nikolaos Pagonas, Stergios Vlatsas, Frederic Bauer, Felix S Seibert, Walter Zidek, Nina Babel, Peter Schlattmann, Timm H Westhoff
OBJECTIVES: Aerobic dynamic exercise reduces blood pressure (BP) and is broadly recommended by current American and European hypertension guidelines. Isometric exercise is currently not recommended, since data from only a few studies are available. We compare for the first time the effects of isometric handgrip training and aerobic exercise in a randomized controlled trial. METHODS: A total of 75 hypertensive patients were randomized to one of the following 12-week programmes: Isometric handgrip training five times weekly (two contractions of 2 min at 30% of maximal power with each arm); 'Sham-handgrip training' five times weekly (two contractions of 2 min at 5% of maximal power with each arm); Aerobic exercise training of 30 min three to five times per week...
June 15, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28620885/modulatory-effect-of-aerobic-exercise-training-on-doxorubicin-induced-cardiotoxicity-in-rats-with-different-ages
#19
Mehdi Ahmadian, Valiollah Dabidi Roshan
We tested the hypothesis that aerobic exercise training (AET) would modulate doxorubicin-induced cardiotoxicity in rats of various ages. Wistar male rats (n = 72) were assigned to three groups (young, adult, and elderly) with three subgroups for each age: doxorubicin (DG, n = 8), AET + doxorubicin (AETDG, n = 8), AET + Saline (AETSG, n = 8). Following the AET intervention, rats were anesthetized and killed to collect heart tissues in order to determine heat shock protein 70 (HSP70), superoxide dismutase (SOD), malondialdehyde (MDA), interleukin-10 (IL10), and c-reactive protein (CRP)...
June 15, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28620308/the-effect-of-interdialytic-combined-resistance-and-aerobic-exercise-training-on-health-related-outcomes-in-chronic-hemodialysis-patients-the-tunisian-randomized-controlled-study
#20
Bechir Frih, Hamdi Jaafar, Wajdi Mkacher, Zohra Ben Salah, Mohamed Hammami, Ameur Frih
Background: Tunisia has the highest prevalence of hemodialysis patients compared to the other countries in North Africa. Dialysis centers rarely offer an exercise program to prevent physiological and psychological dialysis therapy-related alterations in chronic hemodialysis patients. Aim: To examine the effect of combined endurance-resistance training program on physiological and psychological outcomes in patients undergoing hemodialysis. Methods: We designed a single blinded, randomized, controlled study for a period of 4 months...
2017: Frontiers in Physiology
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