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J Tradit Complement Med. 2017 Mar 18;8(1):11-16. doi: 10.1016/j.jtcme.2017.02.003. eCollection 2018 Jan.

Effects of Bhramari Pranayama on health - A systematic review.

Author information

1
Department of Physiology, Sri Ramachandra Medical College and Research Institute, Chennai, India.
2
Department of Community Medicine, Ramachandra Medical College and Research Institute, Chennai, India.
3
Department of Biochemistry, Sri Balaji Dental College and Hospital, Bharath University, Chennai, India.
4
National Institute for Research in Tuberculosis (formerly Tuberculosis Research Centre), ICMR, Chennai, India.

Abstract

Pranayama, a branch of yoga practice is extremely beneficial to mankind in maintaining sound physical and mental health and this article aims to attain an insight on the studies conducted on the effectiveness of Bhramari Pranayama (Bhr.P) on health. The studies done until May 2016 were found using Medline, Embase, Google scholar and manual search. Studies conducted on the health effectiveness of Bhr.P specifically were included on the basis of prisma guidelines. The data were defined by their objectives, methodology, study setting, findings, interventions done and implications suggested in the study. Methodological Quality Rating Scale (MQRS) and Newcastle-Ottawa Scale (NOS) were used in reviewing and reporting results of the included studies. 6 studies satisfied the inclusion criteria; 2 studies were done on the cold pressor test, one on heart rate and BP, one on EEG changes, one each on the inhibitory response and tinnitus condition. In the included studies, the Bhr.P practices have shown para-sympathetic dominance. There are some encouraging effects of Bhr.P on various physiological systems. Methodological quality of the included studies was evaluated to be very low and none of them were RCTs. Yet the available studies are heterogeneous, dealing in different grounds and this heterogeneity serves as a resource for the limited scope of studies on Bhr.P. Therefore, further large-scale, properly designed, randomized trials of Bhr.P on various systems have to be done to justify these effects efficiently.

KEYWORDS:

Bhramari; Health benefits; Pranayama; Review; Systemic effects

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