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"Heart rate recovery"

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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...
December 29, 2016: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28012220/heart-rate-variability-analysis-during-immediate-recovery-from-exercise-in-overweight-obese-healthy-young-adult-females
#11
Sahar M El Agaty, Azra Kirmani, Ezaz Labban
BACKGROUND: Data on heart rate variability (HRV) changes during immediate recovery period after exercise in overweight/obese healthy young adult females are still inconclusive. The aim of this study was to evaluate the heart rate variability (HRV), heart rate recovery (HRR), and arterial blood pressure immediately after cessation of exercise in overweight/obese healthy young adult females. METHODS: This study was carried out in the laboratory of the Physiology Department, Faculty of Medicine, King Abdulaziz University...
December 24, 2016: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/27979503/effect-of-physical-training-on-the-recovery-of-acute-exercise-among-patients-with-cardiovascular-disease
#12
Marianna García-Saldivia, Hermes Ilarraza-Lomelí, Jonathan Myers, Jorge Lara, Leopoldo Bueno
INTRODUCTION: Physical training programs (PTP) have shown several beneficial effects for patients with cardiovascular disease (CVD), particularly by increasing survival and quality of life. Physiological response during the effort and recovery phases of an exercise testing, is one of the strongest prognostic markers among patients with CVD. A reasonable mechanism that explains those training effects on survival is through the adaptations seen on heart rate recovery (HRR) and oxygen uptake kinetics at the post-exertional phase (RVO2)...
December 12, 2016: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/27972877/heart-rate-recovery-in-inflammatory-bowel-disease-ibd
#13
O Ünsal, S Karakaya, O Bulur, K Dal, M Uzman, M Eser
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27928212/relationship-between-autonomic-markers-of-heart-rate-and-subjective-indicators-of-recovery-status-in-male-elite-badminton-players
#14
Christo A Bisschoff, Ben Coetzee, Michael R Esco
The primary aim of the study was to determine if heart rate variability (HRV), and heart rate recovery (HRR) are related to several subjective indicators of recovery status (muscle soreness, hydration status, sleep quality and quantity as well as pre-competition mood states) for different match periods in male, elite, African, singles badminton players. HRV and HRR were measured in twenty-two badminton players before (pre-match), during (in-match), after (post-match) and during rest periods (in-match rest) of 46 national and international matches...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27918668/the-influence-of-changes-in-acute-training-load-on-daily-sensitivity-of-morning-measured-fatigue-variables-in-elite-soccer-players
#15
Robin T Thorpe, Anthony J Strudwick, Martin Buchheit, Greg Atkinson, Barry Drust, Warren Gregson
PURPOSE: To determine the sensitivity of a range of potential fatigue measures to daily training load accumulated over the previous two, three and four days during a short in-season competitive period in elite senior soccer players (n=10). METHODS: Total high-speed running distance, perceived ratings of wellness (fatigue, muscle soreness, sleep quality), counter-movement jump height (CMJ), submaximal heart rate (HRex), post-exercise heart rate recovery (HRR) and heart rate variability (HRV: Ln rMSSD) were analysed during an in-season competitive period (17 days)...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27901339/cardiac-parasympathetic-reactivation-after-small-sided-soccer-games-and-repeated-sprints-in-untrained-healthy-adolescents
#16
Amri Hammami, Sofien Kasmi, Narimen Yousfi, Marwa Bouamra, Zouhaier Tabka, Ezdine Bouhlel
BACKGROUND: It has been shown that recreational soccer was a highly motivating and social activity which produces large improvements in health-related indices in sedentary healthy and unhealthy subjects. The purpose of this study was to compare the acute parasympathetic reactivation after small-sided soccer games (SSG) and repeated sprints training (RST) sessions. METHODS: Eight post-pubertal untrained adolescents (age 15.8 ± 0.6 years, body mass 59.1 ± 3.7 kg, height 1...
November 30, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27899499/differential-patterns-of-impaired-cardiorespiratory-fitness-and-cardiac-autonomic-dysfunction-in-recently-diagnosed-type-1-and-type-2-diabetes
#17
Martin Röhling, Alexander Strom, Gidon Bönhof, Sonja Püttgen, Kálmán Bódis, Karsten Müssig, Julia Szendrödi, Daniel Markgraf, Stefan Lehr, Michael Roden, Dan Ziegler
OBJECTIVE: Both impaired cardiorespiratory fitness (CRF) and heart rate variability (HRV) are predictors of mortality, but their relative roles in recent-onset diabetes are unknown. We determined to which extent CRF and HRV are reduced and interrelated in recent-onset diabetes. RESEARCH DESIGN AND METHODS: Participants from the German Diabetes Study with type 1 (n = 163) or type 2 (n = 188) diabetes with known diabetes duration <1 year and two age-matched glucose-tolerant control groups (n = 40 each) underwent spiroergometry and HRV assessment during a hyperinsulinemic-euglycemic clamp...
November 29, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27895211/improvement-in-aerobic-capacity-during-cardiac-rehabilitation-in-coronary-artery-disease-patients-is-there-a-role-for-autonomic-adaptations
#18
Davide Lazzeroni, Paolo Castiglioni, Matteo Bini, Andrea Faini, Umberto Camaiora, Pietro Tito Ugolotti, Claudio Stefano Centorbi, Lorenzo Brambilla, Valerio Brambilla, Massimo Francesco Piepoli, Paolo Coruzzi
Background It has been previously shown in patients with heart failure that exercise-based rehabilitation programmes may improve functional capacity and autonomic response. The aim of this study was to investigate this issue further by evaluating whether an association exists between autonomic adaptations and improvements of aerobic capacity in a general population of coronary artery disease patients undergoing cardiac rehabilitation. Methods Ninety consecutive patients (age 60 ± 11 years) attended a rehabilitation programme of moderate continuous training (25 ± 8 sessions, 2-3 sessions/week)...
January 1, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27875738/heart-rate-response-to-exercise-in-heart-failure-patients-the-prognostic-role-of-metabolic-chronotropic-relation-and-heart-rate-recovery
#19
Pavel Hajdusek, Martin Kotrc, Josef Kautzner, Vojtech Melenovsky, Eva Benesova, Petr Jarolim, Jan Benes
BACKGROUND: The dynamics of the sinus node response to exercise is linked to functional capacity and outcome in heart failure (HF). The goal of the work was to analyze determinants and impacts of cardio-acceleration, described by the concept of metabolic-chronotropic relation (MCR) and of cardio-deceleration, described by heart rate recovery (HRR). METHODS: A cohort of 25 healthy controls and 78 patients with advanced systolic HF and optimized medical and/or device therapy (97% receiving beta-blockers, 54% ICD) underwent maximal cardiopulmonary exercise test and were prospectively followed...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27870695/validity-and-reliability-of-a-submaximal-intermittent-running-test-in-elite-australian-football-players
#20
Kristopher R Veugelers, Geraldine A Naughton, Craig S Duncan, Darren J Burgess, Stuart R Graham
Veugelers, KR, Naughton, GA, Duncan, CS, Burgess, DJ, and Graham, SR. Validity and reliability of a submaximal intermittent running test in elite Australian football players. J Strength Cond Res 30(12): 3347-3353, 2016-The aim of this article was to determine the validity and reliability of a submaximal intermittent running (SIR) test in elite Australian rules football (ARF) players. Heart rate (HR) responses of 38 elite ARF players to both the SIR and the yo-yo intermittent recovery 2 (YYIR2) tests were compared over 2 trials...
December 2016: Journal of Strength and Conditioning Research
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