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Exercise and heart

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https://www.readbyqxmd.com/read/28432710/medical-students-perceptions-of-the-importance-of-exercise-and-their-perceived-competence-in-prescribing-exercise-to-older-people
#1
Agathe Daria Jadczak, Khai Loon Tam, Solomon Yu, Renuka Visvanathan
OBJECTIVE: To determine the effects of a 4.5-week geriatric medicine course on fifth year medical students' perception of the importance of and their competence in prescribing exercise to older people. METHODS: The modified Exercise and Physical Activity Competence Questionnaire was administered to 81 students before and after the course. Scores ranged from 0 to 6. One open-ended question about perceived barriers to exercise prescription was asked. RESULTS: Students' perceptions of the importance of designing an exercise prescription (P = 0...
April 22, 2017: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/28429690/-our-experience-in-the-diagnosis-and-treatment-of-postural-orthostatic-tachycardia-syndrome-vasovagal-syncope-and-inappropriate-sinus-tachycardia-in-children
#2
Sezen Ugan Atik, Reyhan Dedeoğlu, Aida Koka, Funda Öztunç
OBJECTIVES: The aim of this study was to share our experience in the diagnosis and treatment of patients who presented at our clinic with syncope, pre-syncope, dizziness, and palpitations. STUDY DESIGN: Patients who were treated at pediatric cardiology clinic for complaints of syncope, dizziness, and palpitations between 2014 and 2016 were enrolled in the study. Detailed history of the patients, physical examination findings, laboratory and electrocardiogram results were recorded...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
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
#3
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
#4
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
#5
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
#6
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
#7
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/28424310/heart-rate-regulation-in-diving-sea-lions-the-vagus-nerve-rules
#8
REVIEW
Paul J Ponganis, Birgitte I McDonald, Michael S Tift, Cassondra L Williams
Recent publications have emphasized the potential generation of morbid cardiac arrhythmias secondary to autonomic conflict in diving marine mammals. Such conflict, as typified by cardiovascular responses to cold water immersion in humans, has been proposed to result from exercise-related activation of cardiac sympathetic fibers to increase heart rate, combined with depth-related changes in parasympathetic tone to decrease heart rate. After reviewing the marine mammal literature and evaluating heart rate profiles of diving California sea lions (Zalophus californianus), we present an alternative interpretation of heart rate regulation that de-emphasizes the concept of autonomic conflict and the risk of morbid arrhythmias in marine mammals...
April 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28424267/using-a-novel-data-resource-to-explore-heart-rate-during-mountain-and-road-running
#9
Andrew Best, Barry Braun
Online, accessible performance and heart rate data from running competitions are posted publicly or semi-publicly to social media. We tested the efficacy of one such data resource- Strava- as a tool in exercise physiology investigations by exploring heart rate differences in mountain racing and road racing running events. Heart rate and GPS pace data were gathered from Strava activities posted by 111 males aged 21-49, from two mountain races (Mt. Washington Road Race and Pike's Peak Ascent) and two road race distances (half marathon and marathon)...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28422851/relation-between-serum-myokines-and-phase-ii-cardiac-rehabilitation
#10
Der-Sheng Han, Ming-Yen Hsiao, Tyng-Guey Wang, Ssu-Yuan Chen, Wei-Shiung Yang
Patients with coronary heart disease or acute myocardial infarction after cardiac catheterization with stenting referred for phase II cardiac rehabilitation (CR) were grouped according to their preference. Cardio-pulmonary exercise testing (CPET) was used to determine oxygen uptake ((Equation is included in full-text article.)) at peak exercise and anaerobic threshold (AT). The control patients received counseling only while the experiment group received 36 sessions of CR in 3 to 6 months. Exercise physiology parameters and serum myokines (myostatin, insulin-like growth factor-1 (IGF-1), and interleukin-6 (IL-6) were measured pre- and postrehabilitation...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422539/the-effect-of-nitrate-supplementation-on-cycling-performance-in-the-heat-in-well-trained-cyclists
#11
Joseph A McQuillan, Julia R Casadio, Deborah K Dulson, Paul B Laursen, Andrew E Kilding
PURPOSE: The aim of this study was to determine the effect of NO3(-) consumption on measures of perception, thermoregulation and cycling performance in hot conditions. METHODS: Using a randomised, double-blind, crossover-design, 8 well-trained cyclists (mean ± SD: age: 25 ± 8 y, V̇O2peak: 64 ± 5 ml·kg(-1)·min(-1)) performed 2 separate trials, in hot (35°C, 60% relative humidity) environments, having ingested either 140 ml NO3(-)-rich beetroot juice ~8 mmol NO3(-) (NIT), or placebo (PLA), daily for 3-days with a 7-day washout period separating trials...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28422524/straight-line-and-change-of-direction-intermittent-running-in-professional-soccer-players
#12
Mohamed S Fessi, Fayçal Farhat, Alexandre Dellal, James J Malone, Wassim Moalla
PURPOSE: The present study aimed to investigate the difference between straight-line (STL) and change of direction (COD) intermittent running exercises in soccer players. METHODS: Seventeen male professional soccer players performed the agility T-test and 6 intermittent running exercises: 10s at 130% of maximal aerobic speed (MAS) alternated with 10s of rest (10-10), 15s at 120% of MAS alternated with 15s of rest (15-15) and 30s at 110% of MAS alternated with 30s of rest (30-30) both in STL and with COD...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28422516/exergaming-through-the-eyes-of-patients-with-heart-failure-a-qualitative-content-analysis-study
#13
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/28422346/does-limb-partitioning-and-positioning-affect-acute-cardiorespiratory-responses-during-strength-exercises-in-patients-with-copd
#14
Priscila Robles, Tamara Araujo, Dina Brooks, Karl Zabjek, Tania Janaudis-Ferreira, Susan Marzolini, Roger Goldstein, Sunita Mathur
BACKGROUND AND OBJECTIVE: Cardiorespiratory responses and symptoms in response to endurance exercise in patients with COPD vary with the number and position of involved limbs. Responses to such variations have never been quantified for strength exercises. We therefore assessed acute cardiorespiratory responses during brief bouts of weight lifting exercises. METHODS: We compared double- versus single-limb leg extensions and arm elevations, as well as arm elevation done above or below shoulder level in patients with moderate to severe COPD (n = 10, 6 males, 66 (8...
April 19, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28421587/intensive-exercise-and-its-effect-on-the-heart-is-more-always-better
#15
Anna M Kaleta, Ewa Lewicka, Alicja Dąbrowska-Kugacka, Zuzanna Lewicka-Potocka, Elżbieta Wabich, Wojciech Potocki, Grzegorz Raczak
No abstract text is available yet for this article.
2017: Cardiology Journal
https://www.readbyqxmd.com/read/28421409/six-minute-walk-test-for-assessing-physical-functional-capacity-in-chronic-heart-failure
#16
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/28420762/resting-heart-rate-variability-and-exercise-capacity-in-type-1-diabetes
#17
Luke C Wilson, Karen C Peebles, Neil A Hoye, Patrick Manning, Catherine Sheat, Michael J A Williams, Gerard T Wilkins, Genevieve A Wilson, James C Baldi
People with type 1 diabetes (T1D) have lower exercise capacity (V̇O2max) than their age-matched nondiabetic counterparts (CON), which might be related to cardiac autonomic dysfunction. We examined whether Heart Rate Variability (HRV; indicator of cardiac autonomic modulation) was associated with exercise capacity in those with and without T1D. Twenty-three participants with uncomplicated T1D and 17 matched CON were recruited. Heart rate (HR; ECG), blood pressure (BP; finger photo-plethysmography), and respiratory rate (respiratory belt) were measured during baseline, paced-breathing and clinical autonomic reflex tests (CARTs); deep breathing, lying-to-stand, and Valsalva maneuver...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28419703/exercise-capacity-following-pediatric-heart-transplantation-a-systematic-review
#18
Sara Peterson, Jennifer A Su, Jacqueline R Szmuszkovicz, Robert Johnson, Barbara Sargent
Pediatric HTs account for 13% of all HTs with >60% of recipients surviving at least 10 years post-HT. The purpose of this systematic review is to synthesize the literature on exercise capacity of pediatric HT recipients to improve understanding of the mechanisms that may explain the decreased exercise capacity. Six databases were searched for studies that compared the exercise capacity of HT recipients ≤21 years old with a control group or normative data. Sixteen studies were included. Pediatric HT recipients, as compared to controls or normative data, exhibit significantly higher resting HR, and at peak exercise exhibit significantly decreased HR, VO2 , power, work, minute ventilation, and exercise duration...
April 17, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28417963/loop-diuretics-affect-skeletal-myoblast-differentiation-and-exercise-induced-muscle-hypertrophy
#19
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/28417620/effects-of-submaximal-aerobic-exercise-on-regulatory-t-cell-markers-of-male-patients-suffering-from-ischemic-heart-disease
#20
Fariba Raygan, Mansour Sayyah, Seyed Mohammad Reza Janesar Qamsari, Hassan Nikoueinejad, Mojtaba Sehat
There are confirmed beneficiary effects of exercise on atherosclerotic inflammation of ischemia-associated heart diseases. The purpose of this study was to evaluate the effect of aerobic exercise on T-regulatory cell markers of IL-35 as well as FoxP3 and T-helper2 marker of IL-33 in patients with ischemic heart disease (IHD). This research was performed on 44 asymptomatic male patients with ischemic heart disease. The participants were randomly assigned into two groups of submaximal aerobic exercise and control group...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
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