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https://www.readbyqxmd.com/read/29783221/hygienic-assessment-of-different-forms-of-physical-education-lessons-organization-in-primary-school
#1
Oleksandra S Kondratiuk, Maria M Korshun, Sergii I Garkavyi, Sergii S Garkavyi, Liudmyla A Stasiuk, Olena V Dema, Olga O Sokolovska
OBJECTIVE: Introduction: Different forms of physical education lessons organization, including swimming classes were introduced in education process without studying of its healthsaving effectiveness. The aim of this study was hygienic assessment of different forms of physical education lessons organization in primary school. PATIENTS AND METHODS: Materials and methods: Cross-sectional study was conducted in two schools with different organization of physical education lessons...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782435/biobehavioral-responses-of-preterm-infants-to-conventional-and-swaddled-tub-baths-a-randomized-crossover-trial
#2
Patrícia de Freitas, Mariana Bueno, Diane Holditch-Davis, Hudson Pires Santos, Amélia Fumiko Kimura
Bathing is a routine care procedure that exposes preterm infants to prolonged handling, which could cause stress and potentially disrupt infants' biobehavioral responses. The aim of this double-blind randomized crossover trial was to compare the preterm infant's body temperature, heart rate (HR), peripheral capillary oxygen saturation (SpO2), salivary cortisol levels, and sleep-wake states during and after swaddled and conventional tub baths. Forty-three infants born at 32 to 36 weeks postmenstrual age, weighing 2225 g or less, were enrolled in the study...
May 18, 2018: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/29781933/repeated-exposure-to-taekwondo-combat-modulates-the-physiological-and-hormonal-responses-to-subsequent-bouts-and-recovery-periods
#3
Craig A Bridge, Andy S Sparks, Lars R McNaughton, Graeme L Close, Matheus Hausen, Jonas Gurgel, Barry Drust
Bridge, CA, Sparks, SA, McNaughton, LR, Close, GL, Hausen, M, Gurgel, J, and Drust, B. Repeated exposure to taekwondo combat modulates the physiological and hormonal responses to subsequent bouts and recovery periods. J Strength Cond Res XX(X): 000-000, 2018-This study examined the physiological and hormonal responses to successive taekwondo combats using an ecologically valid competition time structure. Ten elite male international taekwondo competitors (age 19 ± 3 years) took part in a simulated championship event...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29781647/autonomic-regulation-in-response-to-stress-the-influence-of-anticipatory-emotion-regulation-strategies-and-trait-rumination
#4
Selene Nasso, Marie-Anne Vanderhasselt, Ineke Demeyer, Rudi De Raedt
According to the neurocognitive framework for regulation expectation, adaptively regulating emotions in anticipation of a stressful event should help individuals deal with the stressor itself. The goal of this study was twofold: first, the authors compared the influence of adaptive versus maladaptive anticipatory emotion regulation (ER) on the autonomic system during anticipation of, confrontation with, and recovery from a stressor; second, they explored whether trait rumination moderated this relationship...
May 21, 2018: Emotion
https://www.readbyqxmd.com/read/29780604/effect-of-long-term-high-altitude-exposure-on-cardiovascular-autonomic-adjustment-during-rest-and-post-exercise-recovery
#5
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/29778342/one-year-outcomes-associated-with-a-novel-stented-bovine-pericardial-aortic-bioprosthesis
#6
Joseph F Sabik, Vivek Rao, Rüdiger Lange, A Pieter Kappetein, Francois Dagenais, Louis Labrousse, Vinayak Bapat, Michael Moront, Neil J Weissman, Himanshu J Patel, Michael J Reardon, Federico M Asch, Cathy Zeng, Robert J M Klautz
OBJECTIVES: The study objectives were to evaluate the safety, effectiveness, and hemodynamic performance of a new stented bovine pericardial aortic valve. METHODS: This trial enrolled patients with symptomatic moderate or severe aortic stenosis or chronic, severe aortic regurgitation. We assessed death, valve-related adverse events, functional recovery, and hemodynamic performance at discharge, 3 to 6 months, and 1 year, as required by the US Food and Drug Administration for regulatory approval...
April 18, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778239/time-dependent-changes-in-cardiorespiratory-functions-of-anesthetized-rats-exposed-to-sustained-hypoxia
#7
Kouki Kato, Ryosuke Morinaga, Seigo Fushuku, Nobuaki Nakamuta, Yoshio Yamamoto
Although cardiovascular responses may be altered by respiratory changes under prolonged hypoxia, the relationship between respiratory and cardiovascular changes remains unknown. The aim of the present study is to clarify cardiorespiratory changes in anesthetized rats during and after hypoxic conditions using simultaneous recordings of cardiorespiratory variables with 20-sec recording intervals. After air breathing for 20 min (pre-exposure period), rats were subjected to 10% O2 for 2 h (hypoxic exposure period) and then air for 30 min (recovery period)...
July 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29775874/emotion-regulation-as-a-predictor-of-the-endocrine-autonomic-affective-and-symptomatic-stress-response-and-recovery
#8
Katarina Krkovic, Annika Clamor, Tania M Lincoln
Stress is associated with the development of mental disorders such as depression and psychosis. The ability to regulate emotions is likely to influence how individuals respond to and recover from acute stress, and may thus be relevant to symptom development. To test this, we investigated whether self-reported emotion regulation predicts the endocrine, autonomic, affective, and symptomatic response to and recovery from a stressor. Social-evaluative stress was induced by the Trier Social Stress Test (TSST) in N = 67 healthy individuals (53...
April 30, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29771824/psychological-and-behavioral-responses-to-interval-and-continuous-exercise
#9
Matthew J Stork, Martin J Gibala, Kathleen A Martin Ginis
PURPOSE: To compare psychological responses to, and preferences for, moderate-intensity continuous training (MICT), high-intensity interval training (HIIT), and sprint interval training (SIT) among inactive adults; and to investigate the relationships between affect, enjoyment, exercise preferences, and subsequent exercise behavior over a 4-wk follow-up period. METHODS: Thirty inactive men and women (21.23±3.81 y), inexperienced with HIIT or SIT, completed three trials of cycle ergometer exercise in random order on separate days: MICT (45min continuous; ~70-75% of heart rate maximum (HRmax)); HIIT (10x1 min bouts at ~85-90%HRmax with 1-min recovery periods); and SIT (3x20-s "all-out" sprints with 2-min recovery periods)...
May 16, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29769827/effects-of-a-4-week-very-low-carbohydrate-diet-on-high-intensity-interval-training-responses
#10
Lukas Cipryan, Daniel J Plews, Alessandro Ferretti, Phil B Maffetone, Paul B Laursen
The purpose of the study was to examine the effects of altering from habitual mixed Western-based (HD) to a very low-carbohydrate high-fat (VLCHF) diet over a 4-week timecourse on performance and physiological responses during high-intensity interval training (HIIT). Eighteen moderately trained males (age 23.8 ± 2.1 years) consuming their HD (48 ± 13% carbohydrate, 17 ± 3% protein, 35 ± 9% fat) were assigned to 2 groups. One group was asked to remain on their HD, while the other was asked to switch to a non-standardized VLCHF diet (8 ± 3% carbohydrate, 29 ± 15% protein, 63 ± 13% fat) for 4 weeks...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769521/thirty-loci-identified-for-heart-rate-response-to-exercise-and-recovery-implicate-autonomic-nervous-system
#11
Julia Ramírez, Stefan van Duijvenboden, Ioanna Ntalla, Borbala Mifsud, Helen R Warren, Evan Tzanis, Michele Orini, Andrew Tinker, Pier D Lambiase, Patricia B Munroe
Impaired capacity to increase heart rate (HR) during exercise (ΔHRex ), and a reduced rate of recovery post-exercise (ΔHRrec ) are associated with higher cardiovascular mortality rates. Currently, the genetic basis of both phenotypes remains to be elucidated. We conduct genome-wide association studies (GWASs) for ΔHRex and ΔHRrec in ~40,000 individuals, followed by replication in ~27,000 independent samples, all from UK Biobank. Six and seven single-nucleotide polymorphisms for ΔHRex and ΔHRrec , respectively, formally replicate...
May 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29765005/heart-rate-recovery-physical-activity-level-and-functional-status-in-subjects-with-copd
#12
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/29764606/sex-and-family-history-of-cardiovascular-disease-influence-heart-rate-variability-during-stress-among-healthy-adults
#13
Charles F Emery, Catherine M Stoney, Julian F Thayer, DeWayne Williams, Andrew Bodine
OBJECTIVE: Studies of sex differences in heart rate variability (HRV) typically have not accounted for the influence of family history (FH) of cardiovascular disease (CVD). This study evaluated sex differences in HRV response to speech stress among men and women (age range 30-49 years) with and without a documented FH of CVD. METHODS: Participants were 77 adults (mean age = 39.8 ± 6.2 years; range: 30-49 years; 52% female) with positive FH (FH+, n = 32) and negative FH (FH-, n = 45) of CVD, verified with relatives of participants...
July 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29764528/symptomatic-myocardial-bridging-a-frequently-occurring-coronary-variation-can-cause-severe-myocardial-ischaemia-in-affected-children-with-underlying-cardiac-conditions
#14
Alexandra Kiess, Marcel Vollroth, Farhad Bakhtiary, Hiroshi Seki, Martin Kostelka, Milan Djukic, Ingo Daehnert, Robert Wagner
Myocardial bridging is a congenital coronary artery anomaly in which the coronary artery has a partly "tunnelled" intramyocardial course. This tunnelling leads to compression of the affected vessel segment during ventricular systole. It is considered to be a benign variation of the norm in about 25% of the population caused by an aberrancy of embryologic coronary development. The bridging is also thought to cause severe cardiac conditions in a few of those affected. The series of six young patients presented here is the largest series so far to report on symptomatic myocardial bridging in children with different underlying heart diseases...
May 16, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29763849/heart-rate-variability-as-candidate-endophenotype-of-social-anxiety-a-two-generation-family-study
#15
A Harrewijn, M J W Van der Molen, B Verkuil, S W Sweijen, J J Houwing-Duistermaat, P M Westenberg
BACKGROUND: Social anxiety disorder (SAD) is the extreme fear and avoidance of one or more social situations. The goal of the current study was to investigate whether heart rate variability (HRV) during resting state and a social performance task (SPT) is a candidate endophenotype of SAD. METHODS: In this two-generation family study, patients with SAD with their partner and children, and their siblings with partner and children took part in a SPT (total n = 121, 9 families, 3-30 persons per family, age range: 8-61 years, 17 patients with SAD)...
May 8, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29763454/multivariate-classification-of-brugada-syndrome-patients-based-on-autonomic-response-to-exercise-testing
#16
Mireia Calvo, Daniel Romero, Virginie Le Rolle, Nathalie Béhar, Pedro Gomis, Philippe Mabo, Alfredo I Hernández
Ventricular arrhythmias in Brugada syndrome (BS) typically occur at rest and especially during sleep, suggesting that changes in the autonomic modulation may play an important role in arrhythmogenesis. The autonomic response to exercise and subsequent recovery was evaluated on 105 patients diagnosed with BS (twenty-four were symptomatic), by means of a time-frequency heart rate variability (HRV) analysis, so as to propose a novel predictive model capable of distinguishing symptomatic and asymptomatic BS populations...
2018: PloS One
https://www.readbyqxmd.com/read/29761312/recovery-of-upper-body-muscle-power-after-short-intensive-exercise-comparing-boys-and-men
#17
Yitzhak Weinstein, Omri Inbar, Ron Mor-Unikovski, Anthony Luder, Gal Dubnov-Raz
PURPOSE: Boys' lower-body muscle power generation (PO) recovers faster than men's following intensive exercise. The purpose of this study was to examine whether boys differ from adult men in recovering from upper-body muscle power generation following intensive exercise. METHODS: Fifteen prepubertal boys (M ± SD age 10.6 ± 1.0 years) and 13 men (31.1 ± 5.0 years) performed two upper-body Wingate Anaerobic Tests (WAnT), separated by either 2-min or 10-min recovery intervals...
May 14, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29761271/multiple-coronary-stenting-negatively-affects-myocardial-recovery-after-coronary-bypass-grafting
#18
Shin Yajima, Daisuke Yoshioka, Satsuki Fukushima, Koichi Toda, Shigeru Miyagawa, Yasushi Yoshikawa, Hiroki Hata, Shunsuke Saito, Keitaro Domae, Yoshiki Sawa
OBJECTIVES: We aimed to elucidate the relationship between the magnitude of myocardial recovery after coronary artery bypass grafting (CABG) and the prognosis and to explore the predictors of myocardial non-recovery. METHODS: Eighty-one patients with a preoperative left ventricular ejection fraction (LVEF) ≤ 40% who underwent isolated CABG between 2002 and 2015 and had undergone echocardiographic follow-up (median follow-up, 3.1 years; interquartile range 1...
May 14, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29758470/association-between-changes-in-heart-rate-variability-during-the-anticipation-of-a-stressful-situation-and-the-stress-induced-cortisol-response
#19
Matias M Pulopulos, Marie-Anne Vanderhasselt, Rudi De Raedt
Vagal activity - reflecting the activation of stress regulatory mechanisms and prefrontal cortex activation - is thought to play an inhibitory role in the regulation of the hypothalamus-pituitary-adrenal axis. However, most studies investigating the association between stress-induced changes in heart rate variability (HRV, an index of cardiac vagal tone) and cortisol have shown a non-significant relationship. It has been proposed that physiological changes observed during anticipation of a stressor allow individuals to make behavioral, cognitive, and physiological adjustments that are necessary to deal with the upcoming actual stressor...
May 3, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29757759/mechanical-circulatory-support-of-the-right-ventricle-for-adult-and-pediatric-patients-with-heart-failure
#20
Steven G Chopski, Nohra M Murad, Carson S Fox, Randy M Stevens, Amy L Throckmorton
The clinical implementation of mechanical circulatory assistance for a significantly dysfunctional or failing left ventricle as a bridge-to-transplant or bridge-to-recovery is on the rise. Thousands of patients with left-sided heart failure are readily benefitting from these life-saving technologies, and left ventricular failure often leads to severe right ventricular dysfunction or failure. Right ventricular failure (RVF) has a high rate of mortality caused by the risk of multisystem organ failure and prolonged hospitalization for patients after treatment...
May 10, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
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