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. 2016 May:23:14-20.
doi: 10.1016/j.ctcp.2015.11.005. Epub 2016 Jan 11.

Slow breathing influences cardiac autonomic responses to postural maneuver: Slow breathing and HRV

Giovanna Ana de Paula Vidigal  1 , Bruna S Tavares  1 , David M Garner  2 , Andrey A Porto  3 , Luiz Carlos de Abreu  4 , Celso Ferreira  3 , Vitor E Valenti  5
Affiliations

Slow breathing influences cardiac autonomic responses to postural maneuver: Slow breathing and HRV

Giovanna Ana de Paula Vidigal et al. Complement Ther Clin Pract. 2016 May.

Abstract

Chronic slow breathing has been reported to improve Heart Rate Variability (HRV) in patients with cardiovascular disorders. However, it is not clear regarding its acute effects on HRV responses on autonomic analysis. We evaluated the acute effects of slow breathing on cardiac autonomic responses to postural change manoeuvre (PCM). The study was conducted on 21 healthy male students aged between 18 and 35 years old. In the control protocol, the volunteer remained at rest seated for 15 min under spontaneous breathing and quickly stood up within 3 s and remained standing for 15 min. In the slow breathing protocol, the volunteer remained at rest seated for 10 min under spontaneous breath, then performed slow breathing for 5 min and rapidly stood up within 3 s and remained standing for 15 min. Slow breathing intensified cardiac autonomic responses to postural maneuver.

Keywords: Autonomic nervous system; Cardiovascular system; Complementary therapy; Respiration.

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