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"Heart rate recovery"

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https://www.readbyqxmd.com/read/28421409/six-minute-walk-test-for-assessing-physical-functional-capacity-in-chronic-heart-failure
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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...
March 27, 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
#8
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
#9
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
#10
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
#11
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
#12
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 during exercise testing and the heart rate at 2 minutes of recovery after peak exercise...
February 6, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28155689/the-effect-of-captopril-on-the-performance-of-the-control-strategies-of-bjut-ii-vad
#13
Kaiyun Gu, Bin Gao, Yu Chang, Yi Zeng
BACKGROUND: With the development of left ventricular assist device (LVAD), the long-term support has been paid more attention by various researchers. According to previous researches, the combination of LVAD and pharmacological therapy can significantly improve the heart rate recovery and survival rate of patient. However, the effect of pharmacological therapy on the cardiovascular hemodynamic states with LVAD support is still unclear. METHODS: In this study, pharmacokinetic model of captopril is established to describe the relationship between plasma-drug concentration and time...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28154947/autonomic-cardiovascular-modulation-in-masters-and-young-cyclists-following-high-intensity-interval-training
#14
Nattai R Borges, Peter R Reaburn, Thomas M Doering, Christos K Argus, Matthew W Driller
PURPOSE: This study aimed at examining the autonomic cardiovascular modulation in well-trained masters and young cyclists following high-intensity interval training (HIT). METHODS: Nine masters (age 55.6 ± 5.0 years) and eight young cyclists (age 25.9 ± 3.0 years) completed a HIT protocol of 6 x 30 sec at 175% of peak power output, with 4.5-min' rest between efforts. Immediately following HIT, heart rate and R-R intervals were monitored for 30-min during passive supine recovery...
February 2, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28126153/poor-heart-rate-recovery-is-associated-with-the-development-of-new-onset-atrial-fibrillation-in-middle-aged-adults
#15
Avi Sabbag, Anat Berkovitch, Yechezkel Sidi, Shaye Kivity, Sagit Ben Zekry, Roy Beinart, Shlomo Segev, Michael Glikson, Ilan Goldenberg, Elad Maor
OBJECTIVE: To investigate the association between heart rate recovery (HRR) and new-onset atrial fibrillation (AF) in middle-aged adults. PATIENTS AND METHODS: Heart rate recovery was calculated using the exercise stress test in 15,729 apparently healthy self-referred men and women who attended periodic health screening examinations between January 2000, and December 2015. All participants completed the maximal exercise stress test according to the Bruce protocol and were followed clinically on a yearly basis for a median of 6...
December 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28121233/heart-rate-response-and-variability-following-maximal-exercise-in-overweight-children
#16
Justin P Guilkey, Brandon Dykstra, Jennifer Erichsen, Anthony D Mahon
PURPOSE: This study examined heart rate recovery (HRR) and heart rate variability (HRV) following maximal exercise in lean (<85th percentile age- and sex-BMI percentile; n=11 (♂=5; ♀=6); 10.1±0.7 years) and overweight (≥85th age- and sex-BMI percentile; n=11 (♂=5; ♀=6); 10.5±1.2 years) children. METHODS: Participants completed a 10-minute rest, followed by a graded exercise test to maximal effort. HRV, in the time and frequency domains, was assessed during rest and recovery...
January 25, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28050914/physiological-perceptual-and-performance-responses-associated-with-self-selected-versus-standardized-recovery-periods-during-a-repeated-sprint-protocol-in-elite-youth-football-players-a-preliminary-study
#17
Neil Gibson, Callum Brownstein, Derek Ball, Craig Twist
PURPOSE: To examine the physiological and perceptual responses of youth footballers to a repeated sprint protocol employing standardized and self-selected recovery. METHODS: Eleven male participants (13.7 ± 1.1 years) performed a repeated sprint assessment comprising 10 x 30 m efforts. Employing a randomized crossover design, repeated sprints were performed using 30 s and self-selected recovery periods. Heart rate was monitored continuously with ratings of perceived exertion (RPE) and lower body muscle power measured 2 min after the final sprint...
January 4, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28050360/gender-difference-in-aerobic-capacity-and-the-contribution-by-body-composition-and-haemoglobin-concentration-a-study-in-young-indian-national-hockey-players
#18
Hanjabam Barun Sharma, Jyotsna Kailashiya
INTRODUCTION: Although gender difference in aerobic capacity is known, the contributing factors have been researched seldom. AIM: To investigate the gender gap and the contribution by percentage Body Fat (BF), Body Mass Index (BMI) and haemoglobin concentration Hb. MATERIALS AND METHODS: The study was conducted on 30 (17 males, 13 females) training status matched young hockey players. Healthy players who were playing upto national level competition were included...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045865/effects-of-aerobic-exercise-on-pain-sensitivity-heart-rate-recovery-and-health-related-quality-of-life-in-patients-with-chronic-musculoskeletal-pain
#19
Şeyda Öte Karaca, Nesrin Demirsoy, Zafer Günendi
We aimed to investigate the effects of aerobic exercise on pain perception, sensitivity, and health-related quality of life; to assess its effect on parasympathetic tonus by analysis of heart rate recovery; and to examine the effects of parasympathetic tone on pain sensitivity in patients with chronic musculoskeletal pain. Fifty patients with chronic musculoskeletal pain were randomized into two groups: control group (C group) and aerobic exercise group (AE group). Both groups received conventional physical therapy for 2 weeks; the AE group performed submaximal aerobic exercise on a treadmill for 30 min additionally...
December 29, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28032628/heart-rate-recovery-in-hypertensive-patients-relationship-with-blood-pressure-control
#20
Y Yu, T Liu, J Wu, P Zhu, M Zhang, W Zheng, Y Gu
Delayed heart rate recovery (HRR) post treadmill exercise testing reflects autonomic dysfunction and is related to worse cardiovascular outcome. The present study compared HRR in normotensive subjects and hypertensive patients taking anti-hypertensive medications with controlled blood pressure (BP) and uncontrolled BP. A total of 279 consecutive patients with (n=140, HP) and without (n=139, N-HP) essential hypertension who were hospitalized in our department during May 2012 to March 2016 were included in this study...
May 2017: Journal of Human Hypertension
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