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Familial history of hypertension-induced impairment on heart rate variability was not observed in strength-trained subjects BJMBR
Santa-Rosa,F.A.; Shimojo,G.L.; Sartori,M.; Rocha,A.C.; Francica,J.V.; Paiva,J.; Irigoyen,M.C.; De Angelis,K..
Family history of hypertension is an important predictive factor for hypertension and is associated with hemodynamic and autonomic abnormalities. Previous studies reported that strength training might reduce arterial blood pressure (AP), as well as improve heart rate variability (HRV). However, the benefits of strength training in the offspring of hypertensive parents have not been fully evaluated. Here, we analyzed the impact of strength training on hemodynamics and autonomic parameters in offspring of hypertensive subjects. We performed a cross-sectional study with sedentary or physically active offspring of normotensives (S-ON and A-ON) or hypertensives (S-OH and A-OH). We recorded RR interval for analysis of HRV. AP was similar between groups....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Family history; Arterial blood pressure; Cardiac autonomic modulation; Sympathetic modulation; Strength training.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018001200605
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Tonic and reflex cardiovascular autonomic control in trained-female rats BJMBR
Sanches,I.C.; Sartori,M.; Jorge,L.; Irigoyen,M.C.; De Angelis,K..
The effects of exercise training on cardiovascular and autonomic functions were investigated in female rats. After an aerobic exercise training period (treadmill: 5 days/week for 8 weeks), conscious female Wistar (2 to 3 months) sedentary (S, N = 7) or trained rats (T, N = 7) were cannulated for direct arterial pressure (AP) recording in the non-ovulatory phases. Vagal (VT) and sympathetic tonus (ST) were evaluated by vagal (atropine) and sympathetic (propranolol) blockade. Baroreflex sensitivity was evaluated by the heart rate responses induced by AP changes. Cardiopulmonary reflex was measured by the bradycardic and hypotensive responses to serotonin. Resting bradycardia was observed in T (332 ± 7 bpm) compared with S animals (357 ± 10 bpm), whereas AP...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Baroreflex; Cardiopulmonary reflex; Exercise training; Female; Heart rate.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009001000011
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