E-ISSN 2231-3206 | ISSN 2320-4672
 

Original Research 


Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study

Saravanan P S L, Anu S, Vairapraveena R, Rajalakshmi Preethi G.

Abstract
Background: Hypertension is characterized by overactivity of sympathetic nervous system. Sympathetic activation increases blood pressure both by stimulating heart and blood vessels. Breathing exercises are known to balance the autonomic function. Previous studies on hypertensives had shown that alternate nostril breathing (ANB) exercises reduce sympathetic activity by decreasing systolic and diastolic pressure. Since the effect of ANB on blood vessels was not documented so far, the present study was done to confirm the sympathetic lowering effect of ANB on vessel wall parameters immediately after 30 min of ANB exercises.

Aims and Objectives: This study aims to measure and compare the immediate effect of 30 min of ANB exercises on the left brachial artery diameter, peak systolic velocity (PSV), and resistive index (RI) in hypertensive subjects.

Materials and Methods: A total of 40 hypertensive patients in the age group of 45–65 years of both the genders were recruited for this study. The study group (interventional) and the control group included 20 hypertensive subjects each. Gray scale and Doppler ultrasound of the left brachial artery were done to assess the diameter of arteries, PSV, and RI before and immediately after 30 min of ANB.

Results: In the study group, significant increase in vessel diameter (VD) (P < 0.001), and decrease in PSV (P = 0.040), RI (P < 0.001) were observed after ANB exercises. In the control group, no significant change in VD (P = 0.485), RI (P = 0.789), and PSV (P = 0.777) was seen after 30 min.

Conclusion: ANB exercises reduced sympathetic activity in hypertensive patients.

Key words: Breathing Exercises; Brachial Artery; Essential Hypertension


 
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Pubmed Style

L SPS, S A, R V, G RP. Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. Natl J Physiol Pharm Pharmacol. 2019; 9(3): 210-214. doi:10.5455/njppp.2019.9.1237308012019


Web Style

L SPS, S A, R V, G RP. Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. http://www.njppp.com/?mno=22677 [Access: May 27, 2019]. doi:10.5455/njppp.2019.9.1237308012019


AMA (American Medical Association) Style

L SPS, S A, R V, G RP. Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. Natl J Physiol Pharm Pharmacol. 2019; 9(3): 210-214. doi:10.5455/njppp.2019.9.1237308012019



Vancouver/ICMJE Style

L SPS, S A, R V, G RP. Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. Natl J Physiol Pharm Pharmacol. (2019), [cited May 27, 2019]; 9(3): 210-214. doi:10.5455/njppp.2019.9.1237308012019



Harvard Style

L, S. P. S., S, . A., R, . V. & G, . R. P. (2019) Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. Natl J Physiol Pharm Pharmacol, 9 (3), 210-214. doi:10.5455/njppp.2019.9.1237308012019



Turabian Style

L, Saravanan P S, Anu S, Vairapraveena R, and Rajalakshmi Preethi G. 2019. Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. National Journal of Physiology, Pharmacy and Pharmacology, 9 (3), 210-214. doi:10.5455/njppp.2019.9.1237308012019



Chicago Style

L, Saravanan P S, Anu S, Vairapraveena R, and Rajalakshmi Preethi G. "Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study." National Journal of Physiology, Pharmacy and Pharmacology 9 (2019), 210-214. doi:10.5455/njppp.2019.9.1237308012019



MLA (The Modern Language Association) Style

L, Saravanan P S, Anu S, Vairapraveena R, and Rajalakshmi Preethi G. "Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study." National Journal of Physiology, Pharmacy and Pharmacology 9.3 (2019), 210-214. Print. doi:10.5455/njppp.2019.9.1237308012019



APA (American Psychological Association) Style

L, S. P. S., S, . A., R, . V. & G, . R. P. (2019) Impact of alternate nostril breathing exercises on vascular parameters in hypertensive patients - An interventional study. National Journal of Physiology, Pharmacy and Pharmacology, 9 (3), 210-214. doi:10.5455/njppp.2019.9.1237308012019





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