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"Heart rate recovery"

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https://www.readbyqxmd.com/read/29780604/effect-of-long-term-high-altitude-exposure-on-cardiovascular-autonomic-adjustment-during-rest-and-post-exercise-recovery
#1
Prem Bhattarai, Bishnu H Paudel, Dilip Thakur, Balkrishna Bhattarai, Bijay Subedi, Rita Khadka
Background: Despite the successful adaptation to high altitude, some differences do occur due to long term exposure to the hypoxic environment. The effect of long term high altitude exposure on cardiac autonomic adjustment during basal and post-exercise recovery is less known. Thus we aimed to study the differences in basal cardiac autonomic adjustment and its response to exercise in highlanders and to compare it with lowlanders. Methods: The study was conducted on 29 healthy highlander males who were born and brought up at altitude of 3000 m and above from the sea level, their cardiac autonomic adjustment was compared with age, sex, physical activity and ethnicity-matched 29 healthy lowlanders using Heart Rate Variability (HRV) during rest and recovery from sub-maximal exercise (3 m step test)...
2018: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29765005/heart-rate-recovery-physical-activity-level-and-functional-status-in-subjects-with-copd
#2
Andrea A Morita, Laís K O Silva, Gianna W Bisca, Joice M Oliveira, Nidia A Hernandes, Fabio Pitta, Karina C Furlanetto
BACKGROUND: A normal heart rate reflects the balance between the sympathetic and parasympathetic autonomic nervous system. When the difference between heart rate at the end of an exercise test and after 1 min of recovery, known as the 1-min heart rate recovery, is ≤ 12 beats/min, this may indicate an abnormal delay. We sought to compare physical activity patterns and subjects' functional status with COPD with or without delayed 1-min heart rate recovery after the 6-min walk test (6MWT)...
May 15, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29757410/chronic-kidney-disease-and-peripheral-nerve-function-in-the-health-aging-and-body-composition-study
#3
Ranjani N Moorthi, Simit Doshi, Linda F Fried, Sharon M Moe, Mark J Sarnak, Suzanne Satterfield, Ann V Schwartz, Michael Shlipak, Brittney S Lange-Maia, Tamara B Harris, Anne B Newman, Elsa S Strotmeyer
Background: Chronic kidney disease (CKD) is associated with poor mobility. Peripheral nerve function alterations play a significant role in low mobility. We tested the hypothesis that early CKD is associated with altered sensory, motor and autonomic nerve function. Methods: Participants in the Health, Aging and Body Composition cohort who had kidney function measures in Year 3 (1999-2000) and nerve function measurements at Year 4 (2000-01) were analyzed (n = 2290)...
May 10, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29754656/the-prognostic-value-of-heart-rate-recovery-in-patients-with-coronary-artery-disease-a-systematic-review-and-meta-analysis
#4
REVIEW
Sangeeta Lachman, Michel S Terbraak, Jacqueline Limpens, Harald Jorstad, Cees Lucas, Wilma Scholte Op Reimer, S Matthijs Boekholdt, Gerben Ter Riet, Ron J G Peters
BACKGROUND: Routine outpatient care of patients with coronary artery disease (CAD) lacks a simple measure of physical fitness and risk of mortality. Heart rate recovery (HRR) is noninvasive and easily obtainable in outpatient settings. Prior studies have suggested that delayed postexercise HRR in the first minutes is associated with mortality in several types of populations. However, a comprehensive overview of the prognostic value of delayed HRR for time to mortality specifically in CAD patients is not available...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29749082/effect-of-induced-chronic-atrial-fibrillation-on-exercise-performance-in-standardbred-trotters
#5
Rikke Buhl, Helena Carstensen, Eva Zander Hesselkilde, Bjørg Zinkernagel Klein, Karen Margrethe Hougaard, Kirsten Bomberg Ravn, Ameli Victoria Loft-Andersen, Merle Friederike Fenner, Christian Pipper, Thomas Jespersen
BACKGROUND: Atrial fibrillation (AF) is the most common arrhythmia affecting performance in horses. However, no previous studies have quantified the performance reduction in horses suffering from AF. OBJECTIVES: To quantify the effect of AF on maximum velocity (Vmax ), maximum heart rate (HRmax ), heart rate recovery (T100 ), hematologic parameters and development of abnormal QRS complexes. ANIMALS: Nine Standardbred trotters. METHODS: Two-arm controlled trial...
May 10, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29742538/chronotropic-incompetence-and-reduced-heart-rate-recovery-in-rheumatoid-arthritis
#6
Tiago Peçanha, Reynaldo Rodrigues, Ana Jéssica Pinto, Ana Lúcia Sá-Pinto, Lissiane Guedes, Karina Bonfiglioli, Bruno Gualano, Hamilton Roschel
BACKGROUND/OBJECTIVE: Recent studies have indicated that cardiac autonomic dysfunction is an early sign of cardiovascular impairment in rheumatoid arthritis (RA). Previous studies have mainly focused on resting assessments; however, analysis of heart rate (HR) responses to exercise might provide additional information on cardiac autonomic dysfunction in this disease. Thus, we aimed to assess the HR responses during and after a maximal graded exercise test in patients with RA and healthy controls (CONs)...
May 4, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/29705557/alterations-in-the-metabolic-and-cardiorespiratory-response-to-exercise-in-huntington-s-disease
#7
J J Steventon, J Collett, H Furby, K Hamana, C Foster, P O'Callaghan, A Dennis, R Armstrong, A H Németh, A E Rosser, K Murphy, L Quinn, M Busse, H Dawes
BACKGROUND: Limited data suggests that an altered metabolic and cardiorespiratory exercise response may affect exercise performance in individuals with Huntington's disease (HD). There is no clear exploration of the response in individuals at different stages of the disease or in relation to genetic markers. This study aimed to examine the exercise response and recovery of HD participants, and the relationship to genetic and clinical markers. METHOD: HD gene-positive participants (n = 31; 9 pre-manifest; 22 manifest HD) and a healthy control group (n = 29) performed an incremental exercise test until exhaustion...
April 14, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29692951/underwater-near-infrared-spectroscopy-can-measure-training-adaptations-in-adolescent-swimmers
#8
Ben Jones, Dave Parry, Chris E Cooper
The development of an underwater near-infrared spectroscopy (uNIRS) device has enabled previously unattainable measurements of peripheral muscle hemodynamics and oxygenation to be taken within the natural aquatic environment. The purposes of this study were (i) to trial the use of uNIRS, in a real world training study, and (ii) to monitor the effects of a swim training program upon muscle oxygenation status in short distance swimming. A total of 14 junior club level swimmers completed a repeated swim sprint test before and after an eight week endurance training program...
2018: PeerJ
https://www.readbyqxmd.com/read/29686813/resting-sympatho-vagal-balance-is-related-to-10-km-running-performance-in-master-endurance-athletes
#9
Angelo Cataldo, Antonino Bianco, Antonio Paoli, Dario Cerasola, Saverio Alagna, Giuseppe Messina, Daniele Zangla, Marcello Traina
Relationships between heart rate recovery after exercise (HRR, baseline heart rate variability measures (HRV), and time to perform a 10Km running trial (t10Km) were evaluated in "master" athletes of endurance to assess whether the measured indexes may be useful for monitoring the training status of the athletes. Ten "master" athletes of endurance, aged 40-60 years, were recruited. After baseline measures of HRV, the athletes performed a graded maximal test on treadmill and HRR was measured at 1 and 2 minutes from recovery...
January 12, 2018: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29675897/the-penumbral-role-of-beta-blockade-on-heart-rate-recovery-in-heart-failure
#10
Alan Pan
We would like to thank Bharadwaj et al. for their 2017 publication which provides robust evidence that subacute pyridostigmine administration heightens heart rate recovery (HRR) by augmenting cholinergic stimulus to the heart, thereby increasing parasympathetic tonus in heart failure (HF).1 Findings on HRR in the human population, which were published by another group in 20162 and correlate diminished HRR with HF mortality, belie what we truly know concerning the nebulous role that parasympathetic activation plays relative to standard therapy in HF...
April 19, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29668044/impairments-in-hemodynamic-responses-to-orthostasis-associated-with-frailty-results-from-the-irish-longitudinal-study-on-ageing-tilda
#11
Matthew Dl O'Connell, George M Savva, Ciarán Finucane, Roman Romero-Ortuno, Chie Wei Fan, Rose Anne Kenny
OBJECTIVES: To characterize the relationships between orthostatic blood pressure (BP) and heart rate recovery and frailty in an older population. DESIGN: Cross-sectional study. SETTING: Two health centers in the Republic of Ireland. PARTICIPANTS: The Irish Longitudinal Study on Ageing participants aged 50 and older (N=4,334). MEASUREMENTS: Continuous noninvasive BP responses during active standing were captured using digital photoplethysmography...
April 18, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29667537/parasympathetic-activity-delayed-after-self-paced-exercise
#12
Lucas Rosiello Trojbicz, Mayara Vieira Damasceno, Leonardo Alves Pasqua, Arthur Fernandes Gáspari, Adriano Eduardo Lima-Silva, Rômulo Bertuzzi
The main purpose of this study was to compare the effect of the constant load and self-paced exercise with similar total work on autonomic control after endurance exercise. Ten physically active men were submitted to (i) a maximal incremental exercise test, (ii) a 4-km cycling time trial (4-km TT), and (iii) a constant workload test with identical total external work performed at 4-km TT. Gas exchange was measured throughout the tests, while blood lactate, heart rate, and heart rate variability (HRV) were measured during the passive recovery...
April 18, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29660267/recovery-process-and-determinants-of-adverse-event-occurrence-in-bronchoscopic-procedures-performed-under-general-anesthesia
#13
Derya Özden Omaygenç, Nermin Ünal, Saadet İpek Edipoğlu, Tuğçe Barca Şeker, Mehmet Akif Özgül, Demet Turan, Cengiz Özdemir, İbrahim Oğuz Karaca, Erdoğan Çetinkaya
OBJECTIVE: Regarding the fact that rigid bronchoscopy is generally performed under general anesthesia and this patient subgroup is remarkably morbid, encountering procedure and/or anesthesia related complications are highly likely. Here, we aimed to assess factors influencing recovery and detect possible determinants of adverse event occurence during these operations performed in a tertiary referral centre. METHODS: 81 consecutive ASA I-IV patients were recruited for this investigation...
April 16, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29622586/heart-rate-recovery-10-seconds-after-cessation-of-exercise-predicts-death
#14
Yordi J van de Vegte, Pim van der Harst, Niek Verweij
BACKGROUND: Heart rate recovery (HRR) is commonly defined as the decrease of heart rate at 1 minute after cessation of exercise and is an important predictor of all-cause mortality and death associated with coronary artery disease. However, HRR at earlier time intervals after cessation has not been well evaluated and might better reflect PNS reactivation. We hypothesize that early HRR indices within the first minute is better associated with all-cause and coronary artery disease mortality compared with HRR at 1 minute...
April 5, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29599872/responsiveness-of-the-countermovement-jump-and-handgrip-strength-to-an-incremental-running-test-in-endurance-athletes-influence-of-sex
#15
Felipe García-Pinillos, Pedro Delgado-Floody, Cristian Martínez-Salazar, Pedro Á Latorre-Román
The present study analyzed the acute effects of an incremental running test on countermovement jump (CMJ) and handgrip strength performance in endurance athletes, considering the effect of post-exercise recovery time and sex. Thirty-three recreationally trained long-distance runners, 20 men and 13 women, participated voluntarily in this study. The participants performed the Léger test, moreover, the CMJ and handgrip strength tests were carried out before and after the running test and during different stages of recovery (at the 1st min of recovery (posttest1), 5th min of recovery (posttest2), and 10th min of recovery (posttest3))...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29595875/impaired-autonomic-function-in-adolescents-born-preterm
#16
Kristin Haraldsdottir, Andrew M Watson, Kara N Goss, Arij G Beshish, David F Pegelow, Mari Palta, Laura H Tetri, Gregory P Barton, Melissa D Brix, Ryan M Centanni, Marlowe W Eldridge
Preterm birth temporarily disrupts autonomic nervous system (ANS) development, and the long-term impacts of disrupted fetal development are unclear in children. Abnormal cardiac ANS function is associated with worse health outcomes, and has been identified as a risk factor for cardiovascular disease. We used heart rate variability (HRV) in the time domain (standard deviation of RR intervals, SDRR; and root means squared of successive differences, RMSSD) and frequency domain (high frequency, HF; and low frequency, LF) at rest, as well as heart rate recovery (HRR) following maximal exercise, to assess autonomic function in adolescent children born preterm...
March 2018: Physiological Reports
https://www.readbyqxmd.com/read/29581219/prognostic-performance-of-heart-rate-recovery-on-an-exercise-test-in-a-primary-prevention-population
#17
Nóra Sydó, Tibor Sydó, Karina A Gonzalez Carta, Nasir Hussain, Shausha Farooq, Joseph G Murphy, Béla Merkely, Francisco Lopez-Jimenez, Thomas G Allison
BACKGROUND: Heart rate (HR) recovery has been investigated in specific patient cohorts, but there is less information about the role of HR recovery in general populations. We investigated whether HR recovery has long-term prognostic significance in primary prevention. METHODS AND RESULTS: Exercise tests performed between 1993 and 2010 on patients aged 30 to 79 years without cardiovascular disease were included. Mortality was determined from Mayo Clinic records and Minnesota Death Index...
March 26, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29565148/physical-fitness-cardiometabolic-risk-and-heart-rate-recovery-in-chilean-children
#18
María José Arias Téllez, Johana Patricia Soto-Sánchez, Sergio Gerardo Weisstaub
OBJECTIVE: To evaluate the association of physical fitness (PF) and cardiometabolic risk (CMR) with heart rate recovery time (ΔHRR) in Chilean school aged children. METHODS: Cross-sectional study in 478 6-9 years old children participants. We measured weight, height and abdominal circumference. Fitness was measured using the 6MWT, grip strength and leap forward without impulse tests; PF z-scores were calculated. Heart rate (HR) was monitored and recorded during the 6MWT...
January 10, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29549494/inspiratory-muscle-training-improves-physical-performance-and-cardiac-autonomic-modulation-in-older-women
#19
Gabriel Dias Rodrigues, Jonas Lírio Gurgel, Thiago Rodrigues Gonçalves, Pedro Paulo da Silva Soares
PURPOSE: Aging impairs the autonomic balance reducing the vagal and increasing the sympathetic components of heart rate variability (HRV) and this could be associated with a decline in physical capacity. Inspiratory muscle training (IMT) is a possible tool to attenuate this physical capacity decline in older women. The aim of this study was to investigate the influence of IMT in the older women on physical capacity and autonomic cardiac modulation at rest and post exercise. METHODS: 20 female participants 60-72 years old were randomly allocated in two groups...
March 16, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29476643/pre-pregnancy-cardiovascular-indices-and-birth-outcomes-of-subsequent-pregnancies-a-sequential-stress-test-revealing-hidden-cardiovascular-weakness
#20
S Matsubara
No abstract text is available yet for this article.
February 24, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
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