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exercise training in heart failure

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https://www.readbyqxmd.com/read/29335797/high-intensity-aerobic-interval-training-can-lead-to-improvement-in-skeletal-muscle-power-among-in-hospital-patients-with-advanced-heart-failure
#1
Masanobu Taya, Eisuke Amiya, Masaru Hatano, Hisataka Maki, Daisuke Nitta, Akihito Saito, Masaki Tsuji, Yumiko Hosoya, Shun Minatsuki, Astuko Nakayama, Takayuki Fujiwara, Yuto Konishi, Kazuhiko Yokota, Masafumi Watanabe, Hiroyuki Morita, Nobuhiko Haga, Issei Komuro
This study investigated the effectiveness and safety of interval training during in-hospital treatment of patients with advanced heart failure. Twenty-four consecutive patients with advanced symptomatic heart failure who were referred for cardiac transplant evaluation were recruited. After performing aerobic exercise for approximate intensity, high-intensity interval training (HIIT) was performed. The protocol consisted of 3 or 4 sessions of 1-min high-intensity exercise aimed at 80% of peak VO2 or 80% heart rate reserve, followed by 4-min recovery periods of low intensity...
January 15, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29335235/va-fitheart-a-mobile-app-for-cardiac-rehabilitation-usability-study
#2
Alexis L Beatty, Sara L Magnusson, John C Fortney, George G Sayre, Mary A Whooley
BACKGROUND: Cardiac rehabilitation (CR) improves outcomes for patients with ischemic heart disease or heart failure but is underused. New strategies to improve access to and engagement in CR are needed. There is considerable interest in technology-facilitated home CR. However, little is known about patient acceptance and use of mobile technology for CR. OBJECTIVE: The aim of this study was to develop a mobile app for technology-facilitated home CR and seek to determine its usability...
January 15, 2018: JMIR Human Factors
https://www.readbyqxmd.com/read/29332919/high-intensity-interval-training-for-severe-left-ventricular-dysfunction-treated-with-left-ventricular-assist-device
#3
Yusuke Ugata, Hiroshi Wada, Kenichi Sakakura, Tatsuro Ibe, Miyuki Ito, Nahoko Ikeda, Hideo Fujita, Shin-Ichi Momomura
Aerobic training based on anaerobic threshold (AT) is well-known to improve cardiac function, exercise capacity, and long-term outcomes of patients with heart failure. Recent reports suggested that high-intensity interval training (HIIT) for patients with cardiovascular disease may improve cardiopulmonary exercise capacity. We present a 61-year-old male patient of severe left ventricular dysfunction with left ventricular assisted device (LVAD). Following HIIT for 8 weeks, exercise capacity and muscle strength have improved without worsening left ventricular function...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29326534/is-exercise-training-appropriate-for-patients-with-advanced-heart-failure-receiving-continuous-inotropic-infusion-a-review
#4
REVIEW
Eisuke Amiya, Masanobu Taya
Exercise-based rehabilitation programs have been reported to have beneficial effects for patients with heart failure. However, there is little evidence about whether this is the case in patients with more severe heart failure. In particular, there is a question in the clinical setting whether patients with advanced heart failure and continuous inotropic infusion should be prescribed exercise training. In contrast, many studies conclude that prolonged immobility associated with heart failure profoundly impairs physical function and promotes muscle wasting that could further hasten the course of heart failure...
2018: Clinical Medicine Insights. Cardiology
https://www.readbyqxmd.com/read/29313373/the-prognostic-significance-of-improvement-in-exercise-capacity-in-heart-failure-patients-who-participate-in-cardiac-rehabilitation-programme
#5
Avi Sabbag, Israel Mazin, David Rott, Ilan Hay, Nelly Gang, Boaz Tzur, Ronen Goldkorn, Ilan Goldenberg, Robert Klempfner, Ariel Israel
Introduction There are limited contemporary data regarding the association between improvement in cardiovascular fitness in heart failure patients who participate in a cardiac rehabilitation programme and the risk of subsequent hospitalisations. Methods The study population comprised 421 patients with heart failure who participated in our cardiac rehabilitation programme between the years 2009 and 2016. All were evaluated by a standard exercise stress test before initiation, and underwent a second exercise stress test on completion of 3 ± 1 months of training...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29311053/reversing-the-cardiac-effects-of-sedentary-aging-in-middle-age-a-randomized-controlled-trial-implications-for-heart-failure-prevention
#6
Erin J Howden, Satyam Sarma, Justin S Lawley, Mildred Opondo, William Cornwell, Douglas Stoller, Marcus A Urey, Beverley Adams-Huet, Benjamin D Levine
Background - Poor fitness in middle age is a risk factor for heart failure, particularly heart failure with a preserved ejection fraction. The development of heart failure with a preserved ejection fraction is likely mediated through increased left ventricular (LV) stiffness, a consequence of sedentary aging. In a prospective, parallel group, randomized controlled trial, we examined the effect of 2 years of supervised highintensity exercise training on LV stiffness. Methods - Sixty-one (48% male) healthy, sedentary, middle-aged participants (53±5 years) were randomly assigned to either 2 years of exercise training (n=34) or attention control (control; n=27)...
January 8, 2018: Circulation
https://www.readbyqxmd.com/read/29288804/neuronal-nitric-oxide-synthase-regulation-of-skeletal-muscle-functional-hyperemia-exercise-training-and-moderate-compensated-heart-failure
#7
Daniel M Hirai, Steven W Copp, Scott K Ferguson, Clark T Holdsworth, K Sue Hageman, David C Poole, Timothy I Musch
Nitric oxide (NO) modulates oxygen delivery-utilization matching in resting and contracting skeletal muscle. Recent reports indicate that neuronal NO synthase (nNOS)-mediated vasoregulation during contractions is enhanced with exercise training and impaired with chronic heart failure (HF). Consequently, we tested the hypothesis that selective nNOS inhibition (S-methyl-l-thiocitrulline; SMTC, 2.1 μmol/kg) would produce attenuated reductions in muscle blood flow during moderate/heavy submaximal exercise in sedentary HF rats compared to their healthy counterparts...
December 27, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29273887/post-myocardial-infarction-exercise-training-beneficially-regulates-thyroid-hormone-receptor-isoforms
#8
Xiaohua Xu, Wenhan Wan, Michael A Garza, John Q Zhang
Thyroid hormone receptors (TRs) play a critical role in the expression of genes that are major determinants of myocardial contractility, including α-myosin heavy chain (α-MHC) and β-MHC. After myocardial infarction (MI), changes in myocardial TRs consistently correlate with changes in thyroid hormone (TH) target gene transcription, and this is thought to play a key role in the progression to end-stage heart failure. Interestingly, post-MI exercise training has been shown to beneficially alter TH-target gene transcription and preserve cardiac function without changing serum TH...
December 22, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29258510/comparison-of-machine-learning-techniques-to-predict-all-cause-mortality-using-fitness-data-the-henry-ford-exercise-testing-fit-project
#9
Sherif Sakr, Radwa Elshawi, Amjad M Ahmed, Waqas T Qureshi, Clinton A Brawner, Steven J Keteyian, Michael J Blaha, Mouaz H Al-Mallah
BACKGROUND: Prior studies have demonstrated that cardiorespiratory fitness (CRF) is a strong marker of cardiovascular health. Machine learning (ML) can enhance the prediction of outcomes through classification techniques that classify the data into predetermined categories. The aim of this study is to present an evaluation and comparison of how machine learning techniques can be applied on medical records of cardiorespiratory fitness and how the various techniques differ in terms of capabilities of predicting medical outcomes (e...
December 19, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/29235244/exercise-and-heart-failure-an-update
#10
REVIEW
Gaia Cattadori, Chiara Segurini, Anna Picozzi, Luigi Padeletti, Claudio Anzà
The present update is dedicated to the evolution of the interaction between heart failure (HF) and exercise and how the scientific community has handled it. Indeed, on the one hand, HF is a leading cause of morbidity and mortality with a stable prevalence from 1998 onward varying between 6.3% and 13.3%. On the other hand, exercise is seen as a diagnostic and prognostic tool as well as a therapeutic intervention in chronic HF. More precisely, the knowledge, the clinical application, and the research interest on the mutual interactions between exercise and HF have different phases in disease progression: Before HF onset (past): exercise provides protective benefit in preventing HF (primary prevention)...
December 13, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29216285/myocardial-adaption-to-hi-r-t-in-previously-untrained-men-with-a-randomized-longitudinal-cardiac-mr-imaging-study-physical-adaptions-in-untrained-on-strength-and-heart-trial-push-trial
#11
RANDOMIZED CONTROLLED TRIAL
Michael Scharf, Derya Oezdemir, Axel Schmid, Wolfgang Kemmler, Simon von Stengel, Matthias S May, Michael Uder, Michael M Lell
OBJECTIVE: Although musculoskeletal effects in resistance training are well described, little is known about structural and functional cardiac adaption in formerly untrained subjects. We prospectively evaluated whether short term high intensity (resistance) training (HI(R)T) induces detectable morphologic cardiac changes in previously untrained men in a randomized controlled magnetic resonance imaging (MRI) study. MATERIALS AND METHODS: 80 untrained middle-aged men were randomly assigned to a HI(R)T-group (n = 40; 43...
2017: PloS One
https://www.readbyqxmd.com/read/29205923/home-based-interval-training-increases-endurance-capacity-in-adults-with-complex-congenital-heart-disease
#12
Camilla Sandberg, Magnus Hedström, Karin Wadell, Mikael Dellborg, Anders Ahnfelt, Anna-Klara Zetterström, Amanda Öhrn, Bengt Johansson
OBJECTIVE: The beneficial effects of exercise training in acquired heart failure and coronary artery disease are well known and have been implemented in current treatment guidelines. Knowledge on appropriate exercise training regimes for adults with congenital heart disease is limited, thus further studies are needed. The aim of this study was to examine the effect of home-based interval exercise training on maximal endurance capacity and peak exercise capacity. DESIGN: Randomized controlled trial...
December 4, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/29199385/resistance-exercise-enhances-oxygen-uptake-without-worsening-cardiac-function-in-patients-with-systolic-heart-failure-a-systematic-review-and-meta-analysis
#13
REVIEW
Francisco V Santos, Gaspar R Chiappa, Sergio Henrique Rodolpho Ramalho, Alexandra Correa Gervazoni Balbuena de Lima, Fausto Stauffer Junqueira de Souza, Lawrence P Cahalin, João Luiz Quagliotti Durigan, Isac de Castro, Gerson Cipriano
Recent literature suggests that resistance training (RT) improves peak oxygen uptake ([Formula: see text] peak), similarly to aerobic exercise (AE) in patients with heart failure (HF), but its effect on cardiac remodeling is controversial. Thus, we examined the effects of RT and AE on [Formula: see text] peak and cardiac remodeling in patients with heart failure (HF) via a systematic review and meta-analysis. MEDLINE, EMBASE, Cochrane Library and CINAHL, AMEDEO and PEDro databases search were extracted study characteristics, exercise type, and ventricular outcomes...
December 4, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29185161/exercise-therapy-and-autonomic-function-in-heart-failure-patients-a-systematic-review-and-meta-analysis
#14
REVIEW
M J Pearson, N A Smart
A large body of evidence exists indicating that autonomic imbalance is characteristic of heart failure, with several parameters of autonomic function associated with adverse clinical outcomes. The aim of this systematic review and meta-analysis was to investigate the effects of exercise training on parameters of autonomic function in patients with heart failure and where possible quantify the size of the effect. We conducted database searches (PubMed, EMBASE and Cochrane Trials Register to 31 March 2017) for exercise-based rehabilitation trials in heart failure; using search terms, exercise training, autonomic function, heart rate recovery, heart rate variability and muscle sympathetic nerve activity...
November 29, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29184292/cardiopulmonary-rehabilitation-program-impact-on-prognostic-markers-in-selected-patients-with-resting-and-exercise-induced-ventilatory-inefficiency-a-clinical-trial
#15
Sherin Hassan M Mehani, Heba Ahmed A Abdeen
[Purpose] Ventilatory limitation is a common problem in patients with chronic heart failure and pulmonary hypertension. Excess ventilation may arise from augmented ventilatory drive, over activity of chemoreceptors and muscle ergoreceptors, or premature onset of lactic acidosis. Exertional dyspnea can cause limitations in the activities of daily living and as a result, reduced quality of life for these patients. The aim of the present study was to evaluate the effect of cardiopulmonary rehabilitation program on ventilatory efficiency for these patients...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29168621/peripheral-muscle-training-with-resistance-exercise-bands-in-patients-with-chronic-heart-failure-long-term-effects-on-walking-distance-and-quality-of-life-a-pilot-study
#16
Charlotta Lans, Åsa Cider, Eva Nylander, Lars Brudin
AIMS: This study aimed to describe a method of peripheral muscle training with resistance bands in patients with chronic heart failure (CHF) and to evaluate its effects on the 6 min walk test and quality of life up to 12 months using a home-based programme. METHODS AND RESULTS: Twenty-two patients with stable CHF (19 men and 3 women), mean age 63.2 years (SD 8.1), New York Heart Association class II-III were randomized to individual home-based training (HT group), or home-based training with a group-based start-up in a hospital setting (GT group)...
November 23, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29167119/revisiting-the-physiological-effects-of-exercise-training-on-autonomic-regulation-and-chemoreflex-control-in-heart-failure-does-ejection-fraction-matter
#17
David Cristobal Andrade, Alexis Arce-Alvarez, Camilo Toledo, Hugo S Diaz, Claudia Lucero, Rodrigo Quintanilla, Harold D Schultz, Noah J Marcus, Markus Amman, Rodrigo Del Rio
Heart failure (HF) is a global public health problem that, independent of its etiology (reduced (HFrEF) or preserved ejection fraction (HFpEF)), is characterized by functional impairments of cardiac function, chemoreflex hypersensitivity, baroreflex sensitivity (BRS) impairment, and abnormal autonomic regulation, all of which contribute to increased morbidity and mortality. Exercise training (ExT) has been identified as a nonpharmacological therapy capable of restoring normal autonomic function and improving survival in patients with HFrEF...
November 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29167117/effect-of-6-weeks-of-high-intensity-one-legged-cycling-on-functional-sympatholysis-and-atp-signaling-in-patients-with-heart-failure
#18
Gregers Wibe Munch, Ulrik Winning Iepsen, Camilla Koch Ryrsø, Jaya Birgitte Rosenmeier, Bente Klarlund Pedersen, Stefan P Mortensen
Breathlessness during daily activities is the primary symptom in patients with heart failure (HF). Poor correlation between the hemodynamic parameters of left ventricular performance and perceived symptoms suggests that other factors such as skeletal muscle function plays a role in determining exercise capacity. We investigated the effect of six weeks of high-intensity one-legged cycling (HIC; 8x4 at 90% one-legged cycling max) on: 1) the ability to override sympathetic vasoconstriction (arterial infusion of tyramine) during one-legged knee-extensor exercise (KEE); 2) vascular function (arterial infusion of ACh, SNP, tyramine and ATP); 3) exercise capacity in HF patients with reduced ejection fraction (n=8) compared with healthy individuals (n=6)...
November 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29154428/muscle-wasting-and-sarcopenia-in-heart-failure-and-beyond-update-2017
#19
REVIEW
Jochen Springer, Joshua-I Springer, Stefan D Anker
Sarcopenia (loss of muscle mass and muscle function) is a strong predictor of frailty, disability and mortality in older persons and may also occur in obese subjects. The prevalence of sarcopenia is increased in patients suffering from chronic heart failure. However, there are currently few therapy options. The main intervention is resistance exercise, either alone or in combination with nutritional support, which seems to enhance the beneficial effects of training. Also, testosterone has been shown to increased muscle power and function; however, a possible limitation is the side effects of testosterone...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29128777/a-systematic-review-of-heart-failure-dyadic-self-care-interventions-focusing-on-intervention-components-contexts-and-outcomes
#20
REVIEW
Harleah G Buck, Anna Stromberg, Misook L Chung, Kristine A Donovan, Karen Harkness, Allison M Howard, Naoko Kato, Randall Polo, Lorraine S Evangelista
BACKGROUND: Having support from an informal carer is important for heart failure patients. Carers have the potential to improve patient self-care. At the same time, it should be acknowledged that caregiving could affect the carer negatively and cause emotional reactions of burden and stress. Dyadic (patient and informal carer) heart failure self-care interventions seek to improve patient self-care such as adherence to medical treatment, exercise training, symptom monitoring and symptom management when needed...
October 19, 2017: International Journal of Nursing Studies
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