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Exercise AND heart failure

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https://www.readbyqxmd.com/read/28428488/improvement-in-exercise-capacity-by-exercise-training-associated-with-favorable-clinical-outcomes-in-advanced-heart-failure-with-high-b-type-natriuretic-peptide-level
#1
Michio Nakanishi, Kazuhiro Nakao, Leon Kumasaka, Tetsuo Arakawa, Shigefumi Fukui, Takahiro Ohara, Masanobu Yanase, Teruo Noguchi, Satoshi Yasuda, Yoichi Goto
BACKGROUND: The efficacy of exercise training (ET) programs and its relationship with long-term clinical outcomes in advanced heart failure (HF) patients with high levels of B-type natriuretic peptide (BNP) remain uncertain.Methods and Results:We studied 340 consecutive HF patients with ejection fraction (EF) <45% who completed a 3-month ET program. Patients with BNP ≥200 pg/mL (High-BNP, n=170) had more advanced HF characteristics, including lower EF (25.0±8.6% vs. 28.1±8...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28427849/sarcopenia-cachexia-and-muscle-performance-in-heart-failure-review-update-2016
#2
REVIEW
Masakazu Saitoh, Junichi Ishida, Wolfram Doehner, Stephan von Haehling, Markus S Anker, Andrew J S Coats, Stefan D Anker, Jochen Springer
Cachexia in the context of heart failure (HF) has been termed cardiac cachexia, and represents a progressive involuntary weight loss. Cachexia is mainly the result of an imbalance in the homeostasis of muscle protein synthesis and degradation due to a lower activity of protein synthesis pathways and an over-activation of protein degradation. In addition, muscle wasting leads to of impaired functional capacity, even after adjusting for clinical relevant variables in patients with HF. However, there is no sufficient therapeutic strategy in muscle wasting in HF patients and very few studies in animal models...
April 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28427763/exploring-patient-experiences-and-perspectives-of-a-heart-failure-telerehabilitation-program-a-mixed-methods-approach
#3
Rita Hwang, Allison Mandrusiak, Norman R Morris, Robyn Peters, Dariusz Korczyk, Jared Bruning, Trevor Russell
OBJECTIVES: To describe patient experiences and perspectives of a group-based heart failure (HF) telerehabilitation program delivered to the homes via online video-conferencing. BACKGROUND: Limited information currently exists on patient experiences of telerehabilitation for HF. Patient feedback and end-user perspectives provide important information regarding the acceptability of this new delivery model which may have a substantial impact on future uptake. METHODS: We used mixed-methods design with purposive sampling of patients with HF...
April 17, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28425346/ambrisentan-a-review-of-its-use-in-pulmonary-arterial-hypertension
#4
Belinda N Rivera-Lebron, Michael G Risbano
Pulmonary arterial hypertension (PAH) is a progressive disease defined by an elevation in pulmonary arterial pressure that can lead to right heart failure and death. Ambrisentan is a selective endothelin receptor antagonist approved for the treatment of idiopathic, heritable PAH and connective tissue disease-associated PAH. Ambrisentan has been shown to improve exercise capacity and hemodynamics with an acceptable side-effect profile. It has also proven to be safely used in combination with other PAH-specific medications, especially with phosphodiesterase-5 inhibitors...
April 1, 2017: Therapeutic Advances in Respiratory Disease
https://www.readbyqxmd.com/read/28425226/a-review-of-pediatric-pulmonary-hypertension-with-new-guidelines
#5
Serdar Kula, Ayhan Pektaş
This study aims to review pediatric pulmonary hypertension (PH) by comparing the guidelines of the European Society of Cardiology (ESC)/European Respiratory Society (ERS), the American Heart Association (AHA)/American Thoracic Society (ATS), and the European Pediatric Pulmonary Vascular Disease Network (EPPVDN). All three sets of guidelines define PH as having a mean pulmonary artery pressure of ≥25 mmHg and accept the validity of the World Health Organization (WHO) classification system. Every child with a high index of suspicion for PH should undergo an initial work-up of chest X-rays, electrocardiography, and echocardiography...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28422516/exergaming-through-the-eyes-of-patients-with-heart-failure-a-qualitative-content-analysis-study
#6
Leonie Klompstra, Tiny Jaarsma, Jan Mårtensson, Anna Strömberg
OBJECTIVE: Exergaming appears to be a promising tool to increase exercise capacity in patients with chronic heart failure (HF). Therefore, it is important to obtain more in-depth knowledge about preferences, attitudes, use, and abilities in regard to exergaming. The aim of this study was to describe the experiences of patients with HF when using an exergame platform at home. MATERIALS AND METHODS: A qualitative descriptive study using content analysis was conducted on interviews with 14 patients with HF (6 women, ages ranging between 56 and 81 years)...
April 19, 2017: Games for Health
https://www.readbyqxmd.com/read/28421409/six-minute-walk-test-for-assessing-physical-functional-capacity-in-chronic-heart-failure
#7
REVIEW
Huiyun Du, Parichat Wonggom, Jintana Tongpeth, Robyn A Clark
PURPOSE OF THE REVIEW: The six-minute walk test (6MWT) is a submaximal exercise test for evaluating physical functional capacity. This review aims to report the research on the use of the 6MWT in chronic heart failure (CHF) that has been published in the past 5 years. RECENT FINDINGS: The 6MWT distance does not accurately reflect peak VO2. Minimal clinically important difference in the 6MWT distance, and additional measurements, such as heart rate recovery, can assist in the interpretation of the 6MWT distance, so management decisions can be made...
April 18, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28417963/loop-diuretics-affect-skeletal-myoblast-differentiation-and-exercise-induced-muscle-hypertrophy
#8
Shintaro Mandai, Susumu Furukawa, Manami Kodaka, Yutaka Hata, Takayasu Mori, Naohiro Nomura, Fumiaki Ando, Yutaro Mori, Daiei Takahashi, Yuki Yoshizaki, Yuri Kasagi, Yohei Arai, Emi Sasaki, Sayaka Yoshida, Yasuro Furuichi, Nobuharu L Fujii, Eisei Sohara, Tatemitsu Rai, Shinichi Uchida
Muscle wasting or sarcopenia contributes to morbidity and mortality in patients with cancer, renal failure, or heart failure, and in elderly individuals. Na(+)-K(+)-2Cl(-) cotransporter 1 (NKCC1) is highly expressed in mammalian skeletal muscle, where it contributes to the generation of membrane ion currents and potential. However, the physiologic function of NKCC1 in myogenesis is unclear. We investigated this issue using the NKCC1 inhibitors bumetanide and furosemide, which are commonly used loop diuretics...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28412423/rv-contractile-function-and-its-coupling-to-pulmonary-circulation-in-heart-failure-with-preserved%C3%A2-ejection%C3%A2-fraction-stratification-of-clinical-phenotypes-and-outcomes
#9
Marco Guazzi, Debra Dixon, Valentina Labate, Lauren Beussink-Nelson, Francesco Bandera, Michael J Cuttica, Sanijv J Shah
OBJECTIVES: This study sought to investigate how right ventricular (RV) contractile function and its coupling with pulmonary circulation (PC) stratify clinical phenotypes and outcome in heart failure preserved ejection fraction (HFpEF) patients. BACKGROUND: Pulmonary hypertension and RV dysfunction are key hemodynamic abnormalities in HFpEF. METHODS: Three hundred eighty seven HFpEF patients (mean age 64 ± 12 years, 59% females, left ventricular ejection fraction 59 ± 7%) underwent RV and pulmonary hemodynamic evaluation by echocardiography (entire population) and right heart catheterization (219 patients)...
April 7, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28409004/effect-of-%C3%AE-blockade-on-lung-function-exercise-performance-and-dynamic-hyperinflation-in-people-with-arterial-vascular-disease-with-and-without-copd
#10
Angela Key, Matthew Parry, Malcolm A West, Rebecca Asher, Sandy Jack, Nick Duffy, Francesco Torella, Paul P Walker
INTRODUCTION: β Blockers are important treatment for ischaemic heart disease and heart failure; however, there has long been concern about their use in people with chronic obstructive pulmonary disease (COPD) due to fear of symptomatic worsening of breathlessness. Despite growing evidence of safety and efficacy, they remain underused. We examined the effect of β-blockade on lung function, exercise performance and dynamic hyperinflation in a group of vascular surgical patients, a high proportion of who were expected to have COPD...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28408306/heart-failure-and-thermoregulatory-control-can-patients-with-heart-failure-handle-the-heat
#11
REVIEW
Bryce N Balmain, Surendran Sabapathy, Ollie Jay, Julie Adsett, Glenn M Stewart, Rohan Jayasinghe, Norman R Morris
Upon heat exposure, the thermoregulatory system evokes reflex increases in sweating and skin blood flow responses to facilitate heat dissipation and maintain heat balance to prevent the continuing rise in core temperature. These heat dissipating responses are mediated primarily by autonomic and cardiovascular adjustments; which if attenuated, may compromise thermoregulatory control. In patients with heart failure (HF), the neurohumoral and cardiovascular dysfunction that underpins this condition may potentially impair thermoregulatory responses and, consequently, place these patients at a greater risk of heat-related illness...
April 10, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28408305/prevalence-and-predictors-of-early-heart-failure-with-preserved-ejection-fraction-in-patients-with-paroxysmal-atrial-fibrillation
#12
Jaroslav Meluzin, Zdenek Starek, Tomas Kulik, Jiri Jez, Frantisek Lehar, Jiri Wolf, Ladislav Dusek, Pavel Leinveber, Miroslav Novak
BACKGROUND: Patients with atrial fibrillation (AF) have an increased risk of diastolic dysfunction and heart failure. The purpose of this study was to identify independent predictors of early (i.e., only exercise-induced) heart failure with preserved ejection fraction (HFpEF) and to describe the prevalence of early HFpEF among the patients with paroxysmal AF. METHODS AND RESULTS: One hundred patients with paroxysmal AF and preserved left ventricular ejection fraction (LVEF) underwent catheterization with left atrial pressure (LAP) measurements at rest and at the peak of arm exercise (LAP-exe)...
April 10, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28408022/left-ventricular-assist-device-as-a-bridge%C3%A2-to-recovery-for-patients-with-advanced-heart-failure
#13
Djordje G Jakovljevic, Magdi H Yacoub, Stephan Schueler, Guy A MacGowan, Lazar Velicki, Petar M Seferovic, Sandeep Hothi, Bing-Hsiean Tzeng, David A Brodie, Emma Birks, Lip-Bun Tan
BACKGROUND: Left ventricular assist devices (LVADs) have been used as an effective therapeutic option in patients with advanced heart failure, either as a bridge to transplantation, as destination therapy, or in some patients, as a bridge to recovery. OBJECTIVES: This study evaluated whether patients undergoing an LVAD bridge-to-recovery protocol can achieve cardiac and physical functional capacities equivalent to those of healthy controls. METHODS: Fifty-eight male patients-18 implanted with a continuous-flow LVAD, 16 patients with LVAD explanted (recovered patients), and 24 heart transplant candidates (HTx)-and 97 healthy controls performed a maximal graded cardiopulmonary exercise test with continuous measurements of respiratory gas exchange and noninvasive (rebreathing) hemodynamic data...
April 18, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28405775/iron-deficiency-treatment-in-patients-with-heart-failure
#14
Ewa A Jankowska, Marcin Drozd, Piotr Ponikowski
Iron deficiency (ID) is one of the major risk factors for disability and mortality worldwide, and it was identified as a common and ominous comorbidity in patients with heart failure (HF), both with and without anaemia. Based on two clinical trials (FAIR-HF and CONFIRM-HF) and other epidemiological evidence, ID has been recognized as an important therapeutic target in symptomatic patients with HF and LVEF ≤45%.Intravenous iron supplementation has been demonstrated to be safe and effective for iron repletion and related with an improvement in clinical status, exercise capacity, and quality of life...
April 13, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28399634/prognostic-impact-of-physical-activity-prior-to-myocardial-infarction-case-fatality-and-subsequent-risk-of-heart-failure-and-death
#15
Hanne Ejlersen, Zorana Jovanovic Andersen, My Catarina von Euler-Chelpin, Pernille Palm Johansen, Peter Schnohr, Eva Prescott
Background Animal studies indicate that exercise reduces myocardial damage during myocardial infarction by ischaemic preconditioning. Aim To determine from a prospective cohort study whether the level of leisure time physical activity (LTPA) in humans prior to myocardial infarction could modify the course of myocardial infarction by reducing case fatality and the subsequent risk of heart failure and mortality. Methods A total of 14,223 participants in the Copenhagen City Heart Study were assessed at baseline in 1976-1978; 1,664 later developed myocardial infarction (mean age at myocardial infarction 70...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28398017/differential-effects-of-phosphodiesterase-5-inhibition-in-chronic-cardiac-decompensation-depending-on-the-type-whether-hfref-or-hfpef-of-heart-failure-a-meta-analysis
#16
Renato DE Vecchis, Arturo Cesaro, Carmelina Ariano
INTRODUCTION: According to 2015 ESC/ERS guidelines for the diagnosis and treatment of pulmonary hypertension(PH), no specific drug is currently indicated for PH related to left heart disease( PH-LDH), i.e., the one secondary to left chronic heart failure (CHF), which coincides with the group 2 of the PH classification endorsed by the above-mentioned guidelines. In fact, adoption of therapies that specifically apply for so-called pulmonary arterial hypertension (group 1 of the PH classification) has been regarded as substantially contraindicated in patients with PH- LHD, according to current ESC/ERS guidelines...
April 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28396500/percutaneous-pericardial-resection-a-novel-potential-treatment-for-heart-failure-with-preserved-ejection-fraction
#17
Barry A Borlaug, Rickey E Carter, Vojtech Melenovsky, Christopher V DeSimone, Prakriti Gaba, Ammar Killu, Niyada Naksuk, Lilach Lerman, Samuel J Asirvatham
BACKGROUND: People with heart failure and preserved ejection fraction develop increases in left ventricular (LV) end-diastolic pressures during exercise that contribute to dyspnea. In normal open-chest animal preparations, the pericardium restrains LV filling when central blood volume increases. We hypothesized that resection of the pericardium using a minimally invasive epicardial approach would mitigate the increase in LV end-diastolic pressure that develops during volume loading in normal and diseased hearts with the chest intact...
April 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28393216/cancer-induced-cardiac-cachexia-pathogenesis-and-impact-of-physical-activity-review
#18
Yassine Belloum, Françoise Rannou-Bekono, François B Favier
Cachexia is a wasting syndrome observed in many patients suffering from several chronic diseases including cancer. In addition to the progressive loss of skeletal muscle mass, cancer cachexia results in cardiac function impairment. During the severe stage of the disease, patients as well as animals bearing cancer cells display cardiac atrophy. Cardiac energy metabolism is also impeded with disruption of mitochondrial homeostasis and reduced oxidative capacity, although the available data remain equivocal. The release of inflammatory cytokines by tumor is a key mechanism in the initiation of heart failure...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28392370/out-of-hospital-cardiac-arrest-survivors-with-cognitive-impairments-have-lower-exercise-capacity
#19
Liesbeth W Boyce, Carlien C Reinders, Gerard Volker, Esther Los, Henk J van Exel, Thea P M Vliet Vlieland, Paulien H Goossens
BACKGROUND: Hypoxic brain injury is described in up to 40% of survivors after out-of-hospital cardiac arrest (OHCA). Besides cognitive impairments, lack of circulation may also affect exercise capacity. It is not known if exercise capacity of patients with cognitive impairments differs from other OHCA survivors. METHODS: This retrospective cohort study included patients ≥18 years with myocardial infarction (MI) as cause of OHCA admitted for cardiac rehabilitation between February 2011 and April 2014...
April 6, 2017: Resuscitation
https://www.readbyqxmd.com/read/28390681/relation-between-estimated-cardiorespiratory-fitness-and-atrial-fibrillation-from-the-reasons-for-geographic-and-racial-differences-in-stroke-study
#20
Abhishek Bose, Wesley T O'Neal, Aleena Bennett, Suzanne E Judd, Waqas T Qureshi, Xuemei Sui, Virginia J Howard, George Howard, Elsayed Z Soliman
Estimated cardiorespiratory fitness (e-CRF) based on readily available clinical and self-reported data is a promising alternative to the costly traditional assessment of CRF using exercise equipment, but its role as a predictor for incident atrial fibrillation (AF) is unclear. This study included 10,126 participants (54.5% women, 35% African-American, mean age 63.2 years) from the Reasons for Geographic and Racial Differences in Stroke study who were free of AF at baseline. Baseline (2003 to 2007) e-CRF was determined using a previously validated nonexercise algorithm...
March 16, 2017: American Journal of Cardiology
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