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"Heart rate recovery"

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https://www.readbyqxmd.com/read/28525355/does-body-fat-percentage-predict-post-exercise-heart-rate-response-in-non-obese-children-and-adolescents
#1
Tatjana Jezdimirovic, Valdemar Stajer, Sasa Semeredi, Julio Calleja-Gonzalez, Sergej M Ostojic
BACKGROUND: A correlation between adiposity and post-exercise autonomic regulation has been established in overweight and obese children. However, little information exists about this link in non-obese youth. The main purpose of this cross-sectional study was to describe the relationship between body fat percentage (BFP) and heart rate recovery after exercise [post-exercise heart rate (PEHR)], a marker of autonomic regulation, in normal-weight children and adolescents. METHODS: We evaluated the body composition of 183 children and adolescents (age 15...
May 18, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28506112/resting-bradycardia-enhanced-postexercise-heart-rate-recovery-and-cardiorespiratory-fitness-in-recreational-ballroom-dancers
#2
Carlos Janssen Gomes da Cruz, Guilherme Eckhardt Molina, Luiz Guilherme Grossi Porto, Luiz Fernando Junqueira
PURPOSE: In a cross-sectional study design, we evaluated the resting heart rate (HRbaseline) and exercise and postexercise stress test-related chronotropic responses in male practitioners of recreational ballroom dancing (BD; n = 25, Mage = 26.6 ± 6.1 years) compared to a control group of insufficiently active nondancers (CG; n = 25, Mage = 25.9 ± 4.5 years). METHOD: All participants underwent a submaximal exercise test. At 85% of the maximal predicted HR, the recovery protocol was started, and heart rate recovery (HRR) was recorded during 1-min intervals for 5 min...
May 16, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28487388/heart-rate-recovery-and-risk-of-cardiovascular-events-and-all-cause-mortality-a-meta-analysis-of-prospective-cohort-studies
#3
REVIEW
Shanhu Qiu, Xue Cai, Zilin Sun, Ling Li, Martina Zuegel, Juergen Michael Steinacker, Uwe Schumann
BACKGROUND: Heart rate recovery (HRR) is a noninvasive assessment of autonomic dysfunction and has been implicated with risk of cardiovascular events and all-cause mortality. However, evidence has not been systematically assessed. We performed a meta-analysis of prospective cohort studies to quantify these associations in the general population. METHODS AND RESULTS: A literature search using 3 databases up to August 2016 was conducted for studies that reported hazard ratios with 95% CIs for the association between baseline HRR and outcomes of interest...
May 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28470411/sexual-dimorphism-in-heart-rate-recovery-from-peak-exercise
#4
Goncalo Vilhena de Mendonca, Carolina Teodósio, Paula Marta Bruno
PURPOSE: There is lack of consensus on whether sex, per se, affects heart rate recovery (HRR). To discriminate between the role of sex and that of cardiovascular fitness on HRR, we compared two groups of male and female participants matched for age and peak oxygen uptake (VO2peak) percentile. METHODS: Forty healthy individuals with above-average cardiovascular fitness (VO2peak >50th percentile), aged 18-27 years (23 men; 17 women), performed maximal cycle-ergometer tests with cardiorespiratory measurements...
May 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28450916/exercise-training-on-chronotropic-response-and-exercise-capacity-in-patients-with-type-2-diabetes-mellitus
#5
Li Jin, Gao Min, Chen Wei, He Min, Zhou Jie
The study was designed to observe the effects and relationship of exercise on chronotropic response (CR) and exercise capacity in patients with type 2 diabetes mellitus (T2DM). A total of 30 patients with T2DM underwent symptom-limited cardiopulmonary exercise testing (CPET) after excluding contraindication. For each subject individualized exercise prescription was formulated, and they received 12 weeks of exercise training after CPET retest to complete the comparison of CR indicators, including the ratio of maximum exercise heart rate to predicted maximum heart rate value (rHR), heart rate reserve rate (HRRes), heart rate recovery (HRR) of 1-6 min after exercise termination (HRR1-6), exercise capacity (peak VO2/kg) and other indicators...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28448190/leptin-is-associated-with-heart-rate-recovery-in-chinese-hypertensive-patients
#6
Haibin Chen, Ming Luo, Junling Huang, Huifeng Xu, Nanzi Xie, Huan Zheng
Elevated serum leptin concentrations are closely related to sympathetic nervous system activation in essential hypertension (EH); however, it is not clear whether or not they are associated with parasympathetic nervous system impairment in EH. Heart rate recovery (HRR) is a reproducible method used to assess parasympathetic activity. This study aimed to investigate the relationship between serum leptin and HRR in Chinese untreated EH patients. This was a cross-sectional study enrolling 471 Chinese EH patients (205 men, 266 women; mean age 63...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28440910/subacute-pyridostigmine-exposure-increases-heart-rate-recovery-and-cardiac-parasympathetic-tone-in-rats
#7
Manushree Bharadwaj, Carey Pope, Michael Davis, Stuart Katz, Christian Cook, Lara Maxwell
Heart rate recovery (HRR) describes the rapid deceleration of heart rate after strenuous exercise and is an indicator of parasympathetic tone. A reduction in parasympathetic tone occurs in patients with congestive heart failure, resulting in prolonged HRR. Acetylcholinesterase inhibitors, such as pyridostigmine, can enhance parasympathetic tone by increasing cholinergic input to the heart. The objective of this study was to develop a rodent model of HRR to test the hypothesis that subacute pyridostigmine administration decreases cholinesterase activity and accelerates HRR in rats...
April 25, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28436723/asymptomatic-peripheral-artery-disease-can-limit-maximal-exercise-capacity-in-chronic-obstructive-pulmonary-disease-patients-regardless-of-airflow-obstruction-and-lung-hyperinflation
#8
Ernesto Crisafulli, Chiara Scelfo, Panagiota Tzani, Marina Aiello, Giuseppina Bertorelli, Alfredo Chetta
Background Silent/asymptomatic peripheral artery disease may occur in patients with chronic obstructive pulmonary disease, but it is poorly investigated. The primary aim of this study was to evaluate in chronic obstructive pulmonary disease patients the impact of asymptomatic/silent peripheral artery disease on maximal exercise capacity; the secondary aim was to search for predictors of peripheral artery disease. Methods We prospectively enrolled chronic obstructive pulmonary disease outpatients. Data on anthropometric characteristics, lung function, cardiopulmonary exercise test and ankle-brachial index were recorded...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28421409/six-minute-walk-test-for-assessing-physical-functional-capacity-in-chronic-heart-failure
#9
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/28416890/relationship-between-perceived-exertion-during-exercise-and-subsequent-recovery-measurements
#10
T N Mann, R P Lamberts, A Nummela, M I Lambert
The return towards resting homeostasis in the post-exercise period has the potential to represent the internal training load of the preceding exercise bout. However, the relative potential of metabolic and autonomic recovery measurements in this role has not previously been established. Therefore the aim of this study was to investigate which of 4 recovery measurements was most closely associated with Borg's Rating of Perceived Exertion (RPE), a measurement widely acknowledged as an integrated measurement of the homeostatic stress of an exercise bout...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28407037/what-explains-socioeconomic-differences-in-the-speed-of-heart-rate-recovery-to-postural-challenge
#11
Cathal McCrory, Lisa F Berkman, Patrick V Moore, Rose Anne Kenny
Background: Much recent work has focused on the value of heart rate recovery (HRR) as a marker of cardiovascular health and a predictor of mortality. This article explores socioeconomic variation in HRR following exposure to a potent physiological stressor. Methods: The sample involved a nationally representative cohort of 4,475 community-dwelling older persons aged 50 years and older participating in the Irish Longitudinal Study on Ageing (TILDA). Participants completed an active stand (ie, vertical stand from a supine position) as part of a detailed clinic-based cardiovascular health assessment...
April 12, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28402023/heart-rate-recovery-improvement-in-patients-following-acute-myocardial-infarction-exercise-training-%C3%AE-blocker-therapy-or-both
#12
Wladimir M Medeiros, Fabio A de Luca, Alcides R de Figueredo Júnior, Felipe A R Mendes, Carlos Gun
Heart rate recovery (HRR) is a strong mortality predictor. Exercise training (ET) and β-blocker therapy have significant impact on the HRR of patients following myocardial infarction (MI). However, the combination of ET and β-blocker therapy, as well as its effectiveness in patients with a more compromised HRR (≤12 bpm), has been under-studied. Male patients (n = 64) post-MI were divided: Training + β-blocker (n = 19), Training (n = 15), β-blocker (n = 11) and Control (n = 19). Participants performed an ergometric test before and after 3 months of intervention...
April 12, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28372866/increased-interarm-blood-pressure-difference-is-associated-with-autonomic-dysfunction-and-atherosclerosis-in-patients-with-chest-pain-and-no-history-of-coronary-artery-disease
#13
Hui-Jeong Hwang, Il Suk Sohn, Dong-Hee Kim, Chang-Bum Park, Jin-Man Cho, Chong-Jin Kim
OBJECTIVES: Interarm blood pressure (BP) difference has been reported to be associated with atherosclerosis and increased cardiovascular death. We were to investigate associations of interarm systolic blood pressure (SBP) difference with heart rate recovery (HRR) after exercise, an index of autonomic function, and carotid atherosclerotic markers, and to evaluate the association of interarm SBP difference with concurrent coronary artery disease (CAD). METHODS: A total of 995 consecutive patients who underwent treadmill stress echocardiography with chest pain but no history of CAD were enrolled...
March 20, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28353058/objectively-measured-free-living-physical-activity-and-heart-rate-recovery
#14
Brittany R Counts, Jeremy P Loenneke, Paul D Loprinzi
The purpose of this study was to examine the association of free-living, objectively-measured physical activity on treadmill-based heart rate recovery (HRR), a parameter known to associate with morbidity and mortality. Data was used from 2003 to 2004 NHANES. Physical activity was assessed via accelerometry, with HRR recovery assessed from a treadmill-based test. Heart rate recovery minute 1 (HRR1) and minute 2 (HRR2) were calculated. After adjustment, light and vigorous-intensity free-living physical activity, respectively, were associated with HRR1 (βadjusted = 0...
March 28, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28346857/the-influence-of-epicardial-fat-and-nonalcoholic-fatty-liver-disease-on-heart-rate-recovery-in-metabolic-syndrome
#15
Kyoung Im Cho, Eun Ah Jo, Sang Hoon Cho, Bo Hyun Kim
BACKGROUND: Epicardial adipose tissues reflecting visceral fat accumulations of the heart are associated with metabolic syndrome (MetS) and can be a predictor of other cardiometabolic diseases. It can adversely influence autonomic nervous system (ANS) of heart. Heart rate recovery (HRR) is an easy method for measuring ANS dysfunction. The purpose of this study was to determine whether epicardial fat thickness (EFT) and nonalcoholic fatty liver disease (NAFLD) are related to HRR in patients with MetS...
June 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28286762/the-correlation-of-decreased-heart-rate-recovery-and-chronotropic-incompetence-with-exercise-capacity-in-idiopathic-pulmonary-arterial-hypertension-patients
#16
Changwei Wu, Jian Guo, Hui Liu, Bigyan Pudasaini, Wenlan Yang, Qinhua Zhao, Lan Wang, Jinming Liu
We show by this study that a decrease in HRR1 in IPAH patients is associated with severe limitation of exercise capacity. HRR1 < 16 beats and CI just after completion of a CPET could be an indicator of poor prognosis.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28275877/cardiovascular-autonomic-dysfunction-and-carotid-stiffness-in-adults-with-repaired-tetralogy-of-fallot
#17
Marko Novaković, Katja Prokšelj, Vito Starc, Borut Jug
PURPOSE: Adults after surgical repair of tetralogy of Fallot (ToF) may have impaired vascular and cardiac autonomic function. Thus, we wanted to assess interrelations between heart rate variability (HRV) and heart rate recovery (HRR), as parameters of cardiac autonomic function, and arterial stiffness, as a parameter of vascular function, in adults with repaired ToF as compared to healthy controls. METHODS: In a case-control study of adults with repaired ToF and healthy age-matched controls we measured: 5-min HRV variability (with time and frequency domain data collected), carotid artery stiffness (through pulse-wave analysis using echo-tracking ultrasound) and post-exercise HRR (cycle ergometer exercise testing)...
March 8, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28247524/assessment-of-heart-rate-response-to-exercise-and-recovery-during-treadmill-testing-in-arsenic-exposed-workers
#18
Ugur Nadir Karakulak, Meside Gunduzoz, Mehmet Ayturk, Mujgan Tek Ozturk, Engin Tutkun, Omer Hinc Yilmaz
BACKGROUND: Arsenic exposure is associated with various cardiovascular diseases. The aim of the present study was to assess cardiac autonomic function via heart rate response to exercise and recovery period of treadmill testing in arsenic-exposed workers. METHODS: Sixty-five (65) occupationally arsenic-exposed workers and 35 healthy controls were enrolled. Blood and urinary arsenic levels were analyzed and symptom limited maximal treadmill exercise test were performed...
March 1, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28213914/novel-method-to-assess-intrinsic-heart-rate-recovery-in-ambulatory-ecg-recordings-tracks-cardioprotective-effects-of-chronic-autonomic-regulation-therapy-in-patients-enrolled-in-the-anthem-hf-study
#19
Gerrard M Carlson, Imad Libbus, Badri Amurthur, Bruce H KenKnight, Richard L Verrier
BACKGROUND: Postexercise heart rate recovery (HRR) is a powerful and independent predictor of mortality. Autonomic regulation therapy (ART) with chronic vagus nerve stimulation (VNS) has been shown to improve ventricular function in patients with chronic heart failure. However, the effect of ART on HRR in patients with heart failure remains unknown. METHODS: A new measure involving quantification of intrinsic HRR was developed for 24-hr ambulatory ECG (AECG) recordings based on spontaneous heart rate changes observed during daily activity in patients with symptomatic heart failure and reduced ejection fraction...
February 17, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28166422/relation-of-heart-rate-recovery-after-exercise-testing-to-coronary-artery-calcification
#20
Sae Young Jae, Sudhir Kurl, Jari A Laukkanen, Eun Sun Yoon, Yoon-Ho Choi, Bo Fernhall, Barry A Franklin
BACKGROUND: We examined whether slow heart rate recovery (HRR) after exercise testing as an estimate of impaired autonomic function is related to coronary artery calcification (CAC), an emerging marker of coronary atherosclerosis. METHODS: We evaluated 2088 men who participated in a health-screening program that included measures of CAC and peak or symptom-limited cardiopulmonary exercise testing. HRR was calculated as the difference between peak heart rate (HR) during exercise testing and the HR at 2 min of recovery after peak exercise...
August 2017: Annals of Medicine
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