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heart rate variability and well-being

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https://www.readbyqxmd.com/read/28643663/delivery-outcomes-of-term-pregnancy-complicated-by-idiopathic-polyhydramnios
#1
S Zeino, L Carbillon, I Pharisien, A Tigaizin, M Benchimol, R Murtada, J Boujenah
OBJECTIVE: Polyhydramnios is associated with an increased risk of cesarean section. The aetiology of polyhydramnios and the characteristics of the labour may be confounding factors. The objective was to study the characteristics and mode of delivery in case of pregnancy complicated with idiopathic polyhydramnios. METHODS: This retrospective matched and controlled study included all pregnant women with idiopathic polyhydramnios (amniotic index>25cm or single deepest pocket>8cm) diagnosed at the 2nd or 3rd trimester and persistent at term delivery (>37weeks of pregnancy) in our institution...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28640758/consecutive-ultra-short-term-heart-rate-variability-to-track-dynamic-changes-in-autonomic-nervous-system-during-and-after-exercise
#2
Xiang Chen, Ruijie Yao, Gezhen Yin, Jin Li
OBJECTIVE: Quantitative measurement of the dynamic changes in autonomic nervous system (ANS) during and after exercise has great significance in clinical, sports training and other fields. A consecutive ultra-short-term (30 s, UST) heart rate variability (HRV) method was proposed to track the exercise-induced autonomic control of heart rate (HR). APPROACH: Twenty-three healthy young men participated in the study. The first four stages of the Modified Bruce Protocol (S0-S3) were performed...
June 22, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28634863/high-tech-acupuncture-for-prevention-of-lifestyle-diseases-a-sino-austrian-cooperation-research-protocol-on-heart-rate-variability
#3
Feng-Xia Liang, Ze-Bin Chen, Song Wu, Jian-Min Liu, Jing-Zhi Wang, Ji-Dong Lu, Lu-Shan Wang, Li Chen, Qing Shu, Daniela Litscher, Lu Wang, Hua Wang, Gerhard Litscher
BACKGROUND: Acupuncture can not only be used for well-known diseases, but also for so-called modern lifestyle-related diseases. Using innovative methods like e.g. new analyses of heart rate variability (HRV), it is also possible to investigate diseases like burnout syndrome, ie., qi defificiency in Chinese medicine (CM). OBJECTIVE: The main object of this research protocol is to perform research on the relationship of burnout syndrome and heart rate (HR) and HRV...
June 20, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28622947/discontinuation-and-non-publication-of-clinical-trials-in-cardiovascular-medicine
#4
Alistair J Roddick, Fiona T S Chan, James D Stefaniak, Sean L Zheng
BACKGROUND: Appropriate dissemination of clinical data is crucial for minimising bias. Despite this, high rates of study discontinuation and non-publication have been reported among clinical trials. Cardiovascular medicine receives a substantial proportion of academic funding; however, predictors of non-publication among cardiovascular trials are not well-established. METHODS: The National Clinical Trials database was searched for cardiovascular trials completed between January 2010 and January 2014...
June 7, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28622568/per-protocol-investigation-of-a-best-practice-exercise-referral-scheme
#5
L Stewart, E Dolan, P Carver, P A Swinton
OBJECTIVES: To investigate the effects of an exercise referral scheme (ERS) aligned to the UK best practice guidelines on a range of outcomes including those associated with key health concerns of the Scottish population. STUDY DESIGN: A longitudinal design with data collection at three time points (baseline, midway and post) during a 12-week ERS intervention was employed. METHODS: Health-related physical fitness was assessed through measurement of resting heart rate, blood pressure, FEV1:FEV6 (ratio of forced expiratory volume over one [FEV1] and six [FEV6] seconds), body mass and peak oxygen uptake (VO2 peak), whilst functional capacity was assessed through the five times sit to stand test...
June 12, 2017: Public Health
https://www.readbyqxmd.com/read/28621257/oral-transmucosal-detomidine-gel-in-new-zealand-white-rabbits-oryctolagus-cuniculus
#6
Morika D Williams, C Tyler Long, Jessica R Durrant, Gabriel P McKeon, Heather R Shive, Emily H Griffith, Kristen M Messenger, Richard E Fish
Handling and restraining rabbits for routine procedures may be impossible without prior sedation, result in unnecessarystress or injury to the rabbit or handler, and increase experimental variability. Parenteral administration of sedatives can cause stress also, as well as localized pain and tissue damage, especially in fractious animals. Detomidine hydrochloride, an α2-adrenergic receptor agonist, is commercially available in an oral transmucosal (OTM) gel formulation that is FDA-approved for sedation and restraint in horses...
June 15, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28616898/smoking-and-the-eye-what-qu%C3%A3-bec-teenagers-know-and-fear
#7
Julie Brûlé, Benoît Tousignant, Stéphanie Marcotte, Marie-Christelle Moreau
BACKGROUND: Although most people associate smoking with lung cancer and heart disease, few are aware of the impact of smoking on ocular health. Studies have suggested a better knowledge of this association might promote higher quit rates, particularly in teenagers. The purpose of our study was to determine the knowledge of teenagers about the effects of smoking on ocular health and the fear associated with several tobacco-related health conditions. METHODS: A self-administered questionnaire was distributed to 180 high school students aged 14 to 17 years...
June 14, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28615157/designing-prototyping-and-evaluating-digital-mindfulness-applications-a-case-study-of-mindful-breathing-for-stress-reduction
#8
Bin Zhu, Anders Hedman, Shuo Feng, Haibo Li, Walter Osika
BACKGROUND: During the past decade, there has been a rapid increase of interactive apps designed for health and well-being. Yet, little research has been published on developing frameworks for design and evaluation of digital mindfulness facilitating technologies. Moreover, many existing digital mindfulness applications are purely software based. There is room for further exploration and assessment of designs that make more use of physical qualities of artifacts. OBJECTIVE: The study aimed to develop and test a new physical digital mindfulness prototype designed for stress reduction...
June 14, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28611608/coping-style-modifies-general-and-affective-autonomic-reactions-of-domestic-pigs-in-different-behavioral-contexts
#9
Annika Krause, Birger Puppe, Jan Langbein
Based on individual adaptive strategies (coping), animals may react differently to environmental challenges in terms of behavior and physiology according to their emotional perception. Emotional valence as well as arousal may be derived by measuring vagal and sympathetic tone of the autonomic nervous system (ANS). We investigated the situation-dependent autonomic response of 16 domestic pigs with either a reactive or a proactive coping style, previously selected according to the backtest which is accepted in piglets to assess escape behavior...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28610439/congenitally-corrected-transposition-complex-anatomic-repair-or-fontan-pathway
#10
Supreet P Marathe, Matthew I Jones, Julian Ayer, Jessica Sun, Yishay Orr, Charlotte Verrall, Ian A Nicholson, Richard B Chard, Gary F Sholler, David S Winlaw
Background Successful anatomic repair of congenitally corrected transposition of the great arteries achieves excellent outcomes. Several centers report excellent long-term survival with the Fontan pathway as well. We have selectively applied both approaches depending on individual patient morphology, with anatomic repair preferred but utilizing the Fontan pathway when high technical complexity or operative risk is anticipated. Methods Hospital records over an 18-year period (1998-2016) were reviewed to identify patients with congenitally corrected transposition of the great arteries who underwent surgical management...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28601338/circulating-platelet-aggregates-damage-endothelial-cells-in-culture
#11
Chandrakala Aluganti Narasimhulu, Mukesh Nandave, Diana Bonilla, Janani Singaravelu, Chittoor B Sai-Sudhakar, Sampath Parthasarathy
BACKGROUND: Presence of circulating endothelial cells (CECs) in systemic circulation may be an indicator of endothelial damage and/or denudation, and the body's response to repair and revascularization. Thus, we hypothesized that aggregated platelets (AgPlts) can disrupt/denude the endothelium and contribute to the presence of CEC and EC-derived particles (ECDP). METHODS: Endothelial cells were grown in glass tubes and tagged with/without 0.5 μm fluorescent beads...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28582906/paroxysmal-atrial-fibrillation-recognition-based-on-multi-scale-r%C3%A3-nyi-entropy-of-ecg
#12
Yi Xin, Yizhang Zhao, Yuanhui Mu, Qin Li, Caicheng Shi
BACKGROUND: Atrial fibrillation (AF) is a common type of arrhythmia disease, which has a high morbidity and can lead to some serious complications. The ability to detect and in turn prevent AF is extremely significant to the patient and clinician. OBJECTIVE: Using ECG to detect AF and develop a robust and effective algorithm is the primary objective of this study. METHODS: Some studies show that after AF occurs, the regulatory mechanism of vagus nerve and sympathetic nerve will change...
May 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28580025/using-a-computer-simulation-to-improve-psychological-readiness-for-job-interviewing-in-unemployed-individuals-of-pre-retirement-age
#13
Rimma M Aysina, Galina I Efremova, Zhanna A Maksimenko, Mikhail V Nikiforov
Unemployed individuals of pre-retirement age face significant challenges in finding a new job. This may be partly due to their lack of psychological readiness to go through a job interview. We view psychological readiness as one of the psychological attitude components. It is an active conscious readiness to interact with a certain aspect of reality, based on previously acquired experience. It includes a persons' special competence to manage their activities and cope with anxiety. We created Job Interview Simulation Training (JIST) - a computer-based simulator, which allowed unemployed job seekers to practice interviewing repeatedly in a stress-free environment...
May 2017: Europe's journal of psychology
https://www.readbyqxmd.com/read/28576852/neurocardiovascular-deficits-in-the-q175-mouse-model-of-huntington-s-disease
#14
Tamara S Cutler, Saemi Park, Dawn H Loh, Maria C Jordan, Tomohiro Yokota, Kenneth P Roos, Cristina A Ghiani, Christopher S Colwell
Cardiovascular dysautonomia as well as the deterioration of circadian rhythms are among the earliest detectable pathophysiological changes in individuals with Huntington's disease (HD). Preclinical research requires mouse models that recapitulate disease symptoms and the Q175 knock-in model offers a number of advantages but potential autonomic dysfunction has not been explored. In this study, we sought to test the dual hypotheses that cardiovascular dysautonomia can be detected early in disease progression in the Q175 model and that this dysfunction varies with the daily cycle...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28576823/heart-rate-dynamics-in-a-marsupial-hibernator
#15
Steven J Swoap, Gerhard Körtner, Fritz Geiser
The eastern pygmy-possum (Cercartetus nanus) is a small marsupial that can express spontaneous short bouts of torpor, as well as multi-day bouts of deep hibernation. To examine heart rate (HR) control at various stages of torpor in a marsupial hibernator, and to see whether HR variability differs from deep placental hibernators, we used radiotelemetry to measure ECG and Tb while measuring the rate of O2 consumption and ventilation. The HR and rate of O2 consumption during euthermia was at its minimum (321±34 bpm, 0...
June 2, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28576734/protocol-for-the-match-study-mindfulness-and-tai-chi-for-cancer-health-a-preference-based-multi-site-randomized-comparative-effectiveness-trial-cet-of-mindfulness-based-cancer-recovery-mbcr-vs-tai-chi-qigong-tcq-for-cancer-survivors
#16
Linda E Carlson, Erin L Zelinski, Michael Speca, Lynda G Balneaves, Jennifer M Jones, Daniel Santa Mina, Peter M Wayne, Tavis S Campbell, Janine Giese-Davis, Peter Faris, Jennifer Zwicker, Kamala Patel, Tara L Beattie, Steve Cole, Kirsti Toivonen, Jill Nation, Philip Peng, Bruce Thong, Raimond Wong, Sunita Vohra
PURPOSE: A growing number of cancer survivors suffer high levels of distress, depression and stress, as well as sleep disturbance, pain and fatigue. Two different mind-body interventions helpful for treating these problems are Mindfulness-Based Cancer Recovery (MBCR) and Tai Chi/Qigong (TCQ). However, while both interventions show efficacy compared to usual care, they have never been evaluated in the same study or directly compared. This study will be the first to incorporate innovative design features including patient choice while evaluating two interventions to treat distressed cancer survivors...
May 30, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28561596/higher-exercise-intensity-delays-postexercise-recovery-of-impedance-derived-cardiac-sympathetic-activity
#17
Scott Michael, Ollie Jay, Kenneth S Graham, Glen M Davis
Systolic time intervals (STIs) provide noninvasive insights into cardiac sympathetic neural activity (cSNA). As the effect of exercise intensity on postexercise STI recovery is unclear, this study investigated the STI recovery profile after different exercise intensities. Eleven healthy males cycled for 8 min at 3 separate intensities: LOW (40%-45%), MOD (75%-80%), and HIGH (90%-95%) of heart-rate (HR) reserve. Bio-impedance cardiography was used to assess STIs - primarily pre-ejection period (PEP; inversely correlated with cSNA), as well as left ventricular ejection time (LVET) and PEP:LVET - during 10 min seated recovery immediately postexercise...
May 31, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28559852/is-abdominal-fetal-electrocardiography-an-alternative-to-doppler-ultrasound-for-fhr-variability-evaluation
#18
Janusz Jezewski, Janusz Wrobel, Adam Matonia, Krzysztof Horoba, Radek Martinek, Tomasz Kupka, Michal Jezewski
Great expectations are connected with application of indirect fetal electrocardiography (FECG), especially for home telemonitoring of pregnancy. Evaluation of fetal heart rate (FHR) variability, when determined from FECG, uses the same criteria as for FHR signal acquired classically-through ultrasound Doppler method (US). Therefore, the equivalence of those two methods has to be confirmed, both in terms of recognizing classical FHR patterns: baseline, accelerations/decelerations (A/D), long-term variability (LTV), as well as evaluating the FHR variability with beat-to-beat accuracy-short-term variability (STV)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28559469/physiological-requirements-to-perform-the-glittre-activities-of-daily-living-test-by-subjects-with-mild-to-severe-copd
#19
Gérson F Souza, Graciane L Moreira, Andréa Tufanin, Mariana R Gazzotti, Antonio A Castro, José R Jardim, Oliver A Nascimento
BACKGROUND: The Glittre activities of daily living (ADL) test is supposed to evaluate the functional capacity of COPD patients. The physiological requirements of the test and the time taken to perform it by COPD patients in different disease stages are not well known. The objective of this work was to compare the metabolic, ventilatory, and cardiac requirements and the time taken to carry out the Glittre ADL test by COPD subjects with mild, moderate, and severe disease. METHODS: Spirometry, Medical Research Council questionnaire, cardiopulmonary exercise test, and 2 Glittre ADL tests were evaluated in 62 COPD subjects...
May 30, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28558638/heart-rate-variability-indexes-in-dementia-a-systematic-review-with-a-quantitative-analysis
#20
Vanessa Pereira da Silva, Bruno Ribeiro Ramalho Oliveira, Roger Gomes Tavares Mello, Helena Moraes, Andrea Camaz Deslandes, Jerson Laks
BACKGROUND: Decreased HRV indexes indicate a low vagal activity and may be associated with development of dementia. The neurodegenerative process is associated with the cardiovascular autonomic control. OBJECTIVE: The aim of this systematic review was to investigate the effect size magnitude of the HRV indexes in the evaluation of autonomic dysfunction in elderly people with dementia. METHODS: PubMed (Medline), Web of Science, Scopus, Scielo, Lilacs, and APA Psycnet were consulted...
May 30, 2017: Current Alzheimer Research
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