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Heart rate variability and health

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https://www.readbyqxmd.com/read/28436907/reliability-of-lagged-poincar%C3%A3-plot-parameters-in-ultra-short-heart-rate-variability-series-application-on-affective-sounds
#1
Mimma Nardelli, Alberto Greco, Juan Bolea, Gaetano Valenza, Enzo Pasquale Scilingo, Raquel Bailon
The number of studies about ultra-short cardiovascular time series is increasing because of the demand for mobile applications in telemedicine and e-health monitoring. However, the current literature still needs a proper validation of heartbeat nonlinear dynamics assessment from ultra-short time series. This paper reports on the reliability of the Lagged Poincaré Plot (LPP) parameters - calculated from ultra-short cardiovascular time series. Reliability is studied on simulated as well as on real RR series...
April 18, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28436092/effects-of-creatine-supplementation-on-cardiac-autonomic-functions-in-bodybuilders
#2
Kadir Uğur Mert, Serdar Ilgüy, Muhammet Dural, Gurbet Özge Mert, Engin Özakin
Bodybuilder-type workouts may affect heart rate variability (HRV), which has considerable potential to assess the role of autonomic nervous system (ANS). A scientifically designed approach is necessary for bodybuilders to achieve better results while protecting their health. In this study, we aimed to investigate HRV parameters in bodybuilders compared to healthy control subjects and effects of creatine supplementation. Total 48 male participants (16 controls, 16 supplement(-), 16 supplement(+) were evaluated in our study...
April 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28420470/-explore-objective-clinical-variables-for-detecting-delirium-in-icu-patients-a-prospective-case-control-study
#3
Xiaojiang Liu, Jie Lyu, Youzhong An
OBJECTIVE: The aim of this case-control study is to explore clinical objective variables for diagnosing delirium of intensive care unit (ICU) patients. METHODS: According to the method of prospective case-control study, critical adult postoperative patients who were transferred to ICU of Peking University People's Hospital from October 2015 to May 2016 and needed mechanical ventilation were included. After evaluating the Richmond agitation sedation scale score (RASS), the patients whose score were -2 or greater were sorted into two groups, delirium and non-delirium, according to the confusion assessment method for the ICU (CAM-ICU)...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28407037/what-explains-socioeconomic-differences-in-the-speed-of-heart-rate-recovery-to-postural-challenge
#4
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/28401414/getting-to-the-heart-of-masculinity-stressors-masculinity-threats-induce-pronounced-vagal-withdrawal-during-a-speaking-task
#5
Brandon L Kramer, Mary S Himmelstein, Kristen W Springer
BACKGROUND: Previous work has found that traditional masculinity ideals and behaviors play a crucial role in higher rates of morbidity and mortality for men. Some studies also suggest that threatening men's masculinity can be stressful. Over time, this stress can weigh on men's cardiovascular and metabolic systems, which may contribute to men's higher rates of cardiometabolic health issues. PURPOSE: The purpose of this study is to explore how masculinity threats affect men's heart rate and heart rate variability reactivity (i...
April 11, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28396041/association-of-holter-derived-heart-rate-variability-parameters-with-the-development-of-congestive-heart-failure-in-the-cardiovascular-health-study
#6
Vaiibhav N Patel, Brian R Pierce, Rohan K Bodapati, David L Brown, Diane G Ives, Phyllis K Stein
OBJECTIVES: This study sought to determine whether Holter-based parameters of heart rate variability (HRV) are independently associated with incident heart failure among older adults in the CHS (Cardiovascular Health Study) as evidenced by an improvement in the predictive power of the Health Aging and Body Composition Heart Failure (Health ABC) score. BACKGROUND: Abnormal HRV, a marker of autonomic dysfunction, has been associated with multiple adverse cardiovascular outcomes but not the development of congestive heart failure (CHF)...
March 30, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28384912/assessment-of-autonomic-dysfunction-in-acute-stroke-patients-at-a-tertiary-care-hospital
#7
Hemachandrika Chidambaram, Kothai Gnanamoorthy, Prasanna Karthik Suthakaran, Kannan Rajendran, Chitrambalam Pavadai
INTRODUCTION: In patients who present with acute cerebro-vascular disease, autonomic function testing is usually not given its due importance. This is because of the complex nature of the autonomic function tests and the relative technical difficulty faced in administering the tests to the patients. A simple and non-invasive method to assess the autonomic dysfunction is measurement of resting Heart Rate Variability (HRV). AIM: To study the pattern of autonomic dysfunction among patients admitted with acute stroke and to study the relationship between autonomic dysfunction and the morbidity and mortality associated with acute stroke...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28380134/quality-of-life-score-as-a-predictor-of-death-in-dogs-with-degenerative-mitral-valve-disease
#8
Célia M C Strunz, Mário Marcondes-Santos, Julio Yoshio Takada, Fernanda S Fragata, Antônio de Pádua Mansur
Background: The knowledge of the variables predicting mortality is important in clinical practice and for therapeutic monitoring in mitral valve disease. Objectives: To determine whether a quality of life score evaluated with the Functional Evaluation of Cardiac Health questionnaire would predict mortality in dogs with degenerative mitral valve disease (DMVD). Methods: Thirty-six client-owned dogs with mitral valve disease underwent clinical, laboratory, and echocardiographic evaluations at baseline and were monitored for 6 months...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28379619/blood-pressure-lowering-efficacy-of-renin-inhibitors-for-primary-hypertension
#9
REVIEW
Vijaya M Musini, Kendra Ak Lawrence, Patricia M Fortin, Ken Bassett, James M Wright
BACKGROUND: Hypertension is a chronic condition associated with an increased risk of mortality and morbidity. Renin is the enzyme responsible for converting angiotensinogen to angiotensin I, which is then converted to angiotensin II. Renin inhibitors are a new class of drugs that decrease blood pressure (BP) by preventing the formation of both angiotensin I and angiotensin II. OBJECTIVES: To quantify the dose-related BP lowering efficacy of renin inhibitors compared to placebo in the treatment of primary hypertension...
April 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28376910/the-preschool-activity-technology-health-adiposity-behaviour-and-cognition-path-abc-cohort-study-rationale-and-design
#10
Dylan P Cliff, Jade McNeill, Stewart Vella, Steven J Howard, Megan A Kelly, Douglas J Angus, Ian M Wright, Rute Santos, Marijka Batterham, Edward Melhuish, Anthony D Okely, Marc de Rosnay
BACKGROUND: Prevalence estimates internationally suggest that many preschool-aged children (3-5 years) are insufficiently physically active and engage in high levels of screen-based entertainment. Early childhood is the developmental period for which we know the least about the effects of physical activity on development and health. Likewise, rapid technological advancements in mobile electronic media have made screen-based forms of entertainment for young children ubiquitous, and research demonstrating the impacts on cognition, psychosocial well-being, and health has lagged behind the rate of adoption of these technologies...
April 4, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28376908/determinants-of-the-calibration-of-saps-ii-and-saps-3-mortality-scores-in-intensive-care-a-european-multicenter-study
#11
Antoine Poncet, Thomas V Perneger, Paolo Merlani, Maurizia Capuzzo, Christophe Combescure
BACKGROUND: The aim of the Simplified Acute Physiology Score (SAPS) II and SAPS 3 is to predict the mortality of patients admitted to intensive care units (ICUs). Previous studies have suggested that the calibration of these scores may vary across countries, centers, and/or characteristics of patients. In the present study, we aimed to assess determinants of the calibration of these scores. METHODS: We assessed the calibration of the SAPS II and SAPS 3 scores among 5266 patients admitted to ICUs during a 4-week period at 120 centers in 17 European countries...
April 4, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28376642/cardiovascular-sequel-of-neck-irradiation-in-head-and-neck-cancer-patients
#12
Manish Goyal, Pragya Shukla, Deepak Gupta, Shyam Bisht, Nar Singh Verma, Sunita Tiwari, Madan Lal Bhatt
PURPOSE: Introduction: The baroreflex is an important afferent mechanism controlling autonomic functions. As afferent nerves course through the neck, they are susceptible to damage by neck irradiation in the head and neck cancer patients. With increased survival of head and neck cancer patients because of improved therapy, the cardiovascular morbidity and mortality in them have become apparent and is of clinical concern. There are few case reports of baroreflex failure as a chronic sequel to neck irradiation...
April 5, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28369199/the-association-between-extreme-sleep-duration-and-cardiac-autonomic-control-in-community-dwelling-older-adults-the-yilan-study-taiwan
#13
Hsi-Chung Chen, Nai-Wei Hsu, Pesus Chou
Backgrounds: The aims of the present study were to determine the associations and sex-specific relationships between extreme sleep duration and cardiac autonomic control in a cohort of older individuals. Methods: A community-based survey was conducted in Yilan City, Taiwan. Community-dwelling older adults aged ≥65 were randomly selected to participate. Extreme sleep durations were defined as either short sleep (≤5 hours) or long sleep (≥8 hours). Cardiac autonomic control was evaluated using the parameters of frequency-domain analysis of heart rate variability...
March 21, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28363708/trends-and-characteristics-of-hospitalization-for-heart-failure-in-a-population-setting-from-2003-to-2013
#14
María Lucía Fernández Gassó, Lauro Hernando-Arizaleta, Joaquín A Palomar-Rodríguez, Federico Soria-Arcos, Domingo A Pascual-Figal
INTRODUCTION AND OBJECTIVES: Population-based studies in other countries have reported a reduction of standardized rates of hospitalization for heart failure (HF) but data from a well-defined population are lacking in Spain. METHODS: All hospitalizations with a principal diagnosis of HF between 2003 and 2013 were obtained from the Minimum Basic Data Set, which includes all hospitals in the Region of Murcia. Health care episodes were identified by the individual health card (27 158 episodes)...
March 28, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28359165/testing-a-resilience-training-program-in-police-recruits
#15
Sandra L Ramey, Yelena Perkhounkova, Maria Hein, Nicole L Bohr, Amanda A Anderson
BACKGROUND: Stress from multiple sources is inherent in law enforcement. However, it is possible to modify responses to stress with resilience training that includes teaching techniques to modify emotional and physical responses to stress, interface with mental health professionals, and practice sessions to improve self-regulation of responses to stress including coherence, a measure of heart rate variability. A gap exists in the research, however, regarding evaluation of the duration of effects after the initial resilience training...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28350537/comparison-of-structured-and-unstructured-physical-activity-training-on-predicted-vo2max-and-heart-rate-variability-in-adolescents-a-randomized-control-trial
#16
Vivek Kumar Sharma, Senthil Kumar Subramanian, Krishnakumar Radhakrishnan, Rajathi Rajendran, Balasubramanian Sulur Ravindran, Vinayathan Arunachalam
BACKGROUND: Physical inactivity contributes to many health issues. The WHO-recommended physical activity for adolescents encompasses aerobic, resistance, and bone strengthening exercises aimed at achieving health-related physical fitness. Heart rate variability (HRV) and maximal aerobic capacity (VO2max) are considered as noninvasive measures of cardiovascular health. The objective of this study is to compare the effect of structured and unstructured physical training on maximal aerobic capacity and HRV among adolescents...
March 28, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28349277/the-purpose-of-heart-rate-variability-measurements
#17
EDITORIAL
Marek Malik, Heikki Huikuri, Federico Lombardi, Georg Schmidt
No abstract text is available yet for this article.
March 27, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28345604/mind-wandering-and-alterations-to-default-mode-network-connectivity-when-listening-to-naturalistic-versus-artificial-sounds
#18
Cassandra D Gould van Praag, Sarah N Garfinkel, Oliver Sparasci, Alex Mees, Andrew O Philippides, Mark Ware, Cristina Ottaviani, Hugo D Critchley
Naturalistic environments have been demonstrated to promote relaxation and wellbeing. We assess opposing theoretical accounts for these effects through investigation of autonomic arousal and alterations of activation and functional connectivity within the default mode network (DMN) of the brain while participants listened to sounds from artificial and natural environments. We found no evidence for increased DMN activity in the naturalistic compared to artificial or control condition, however, seed based functional connectivity showed a shift from anterior to posterior midline functional coupling in the naturalistic condition...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28339417/cynicism-as-subscale-of-burnout
#19
Margaretha Viljoen, Nicolaas Claassen
BACKGROUND: Cynicism, as a personality trait, has adverse effects on health. The question was asked whether cynical attitudes that develop due to work-related stress correlate with stress levels and whether it has a negative influence on health. OBJECTIVES: To investigate associations of the cynicism subscale scores of the Maslach Burnout Inventory-General Survey (MBI-GS) with levels of stress, anxiety, questionnaire-based physical health and with a number of physiological health risk indicators...
March 23, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28337432/the-current-and-future-role-of-heart-rate-variability-for-assessing-and-training-compassion
#20
James N Kirby, James R Doty, Nicola Petrocchi, Paul Gilbert
The evolution of mammalian caregiving involving hormones, such as oxytocin, vasopressin, and the myelinated vagal nerve as part of the ventral parasympathetic system, enables humans to connect, co-regulate each other's emotions and create prosociality. Compassion-based interventions draw upon a number of specific exercises and strategies to stimulate these physiological processes and create conditions of "interpersonal safeness," thereby helping people engage with, alleviate, and prevent suffering. Hence, compassion-based approaches are connected with our evolved caring motivation and attachment and our general affiliative systems that help regulate distress...
2017: Frontiers in Public Health
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