Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study

Nagalakshmi Vijaykumar; Vandana C Kattimani; Shobha C Nallulwar; S L Karne

doi:10.5455/njppp.2017.7.1131402122016

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Online Published: 26 Dec 2016

Natl J Physiol Pharm Pharmacol. 2017; 7(4): 366-370

doi: 10.5455/njppp.2017.7.1131402122016

Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study

Nagalakshmi Vijaykumar, Vandana C Kattimani, Shobha C Nallulwar, S L Karne.

Cited By:1

Abstract
Background: Acupressure is a simple, non-invasive, painless method which can be complementary and alternative medicine treatment to reduce stress. Acupressure at GV-20 provides the relief of anxiety and acute stress.

Aims and Objectives: Evaluate the effect of GV20 Acupressure on cardiac autonomic functional modulation using heart rate variability (HRV).

Materials and Methods: This is a cross-sectional study to investigate the use of an acupressure in acute stress reduction in adults (n = 30). Mental arithmetic stress was administered before and after acupressure. Acupressure was given at GV20 for 5 min, and HRV was measured. The collected data were analyzed for frequency domain using nonparametric method of Fast Fourier Transform, using Ku-bios HRV analysis software.

Results: All interventions were associated with the following changes, during stress after acupressure compared to stress before acupressure: Significant increase of total power (P ≤ 0.05), decrease in low frequency (LF), and increase in high frequency (HF) and decrease in LF/HF value. Changes during rest after acupressure and before acupressure are as follows: Decrease in total power, increase in LF, decrease in HF, and decrease in LF/HF but not significant (P ≥ 0.05).

Conclusion: Thus, this study indicates that acupressure at GV20 was able to reduce stress in the subjects significantly. This positive finding suggests that acupressure may have a role in reducing acute psychological stress in young adults and help in improving performance.

Key words: Autonomic Imbalance; Complementary Medicine; Stress; Acupuncture; GV20

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Pubmed Style

Vijaykumar N, Kattimani VC, Nallulwar SC, Karne SL. Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. Natl J Physiol Pharm Pharmacol. 2017; 7(4): 366-370. doi:10.5455/njppp.2017.7.1131402122016

Web Style

Vijaykumar N, Kattimani VC, Nallulwar SC, Karne SL. Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. https://www.njppp.com/?mno=248979 [Access: June 27, 2026]. doi:10.5455/njppp.2017.7.1131402122016

AMA (American Medical Association) Style

Vijaykumar N, Kattimani VC, Nallulwar SC, Karne SL. Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. Natl J Physiol Pharm Pharmacol. 2017; 7(4): 366-370. doi:10.5455/njppp.2017.7.1131402122016

Vancouver/ICMJE Style

Vijaykumar N, Kattimani VC, Nallulwar SC, Karne SL. Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. Natl J Physiol Pharm Pharmacol. (2017), [cited June 27, 2026]; 7(4): 366-370. doi:10.5455/njppp.2017.7.1131402122016

Harvard Style

Vijaykumar, N., Kattimani, . V. C., Nallulwar, . S. C. & Karne, . S. L. (2017) Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. Natl J Physiol Pharm Pharmacol, 7 (4), 366-370. doi:10.5455/njppp.2017.7.1131402122016

Turabian Style

Vijaykumar, Nagalakshmi, Vandana C Kattimani, Shobha C Nallulwar, and S L Karne. 2017. Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. National Journal of Physiology, Pharmacy and Pharmacology, 7 (4), 366-370. doi:10.5455/njppp.2017.7.1131402122016

Chicago Style

Vijaykumar, Nagalakshmi, Vandana C Kattimani, Shobha C Nallulwar, and S L Karne. "Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study." National Journal of Physiology, Pharmacy and Pharmacology 7 (2017), 366-370. doi:10.5455/njppp.2017.7.1131402122016

MLA (The Modern Language Association) Style

Vijaykumar, Nagalakshmi, Vandana C Kattimani, Shobha C Nallulwar, and S L Karne. "Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study." National Journal of Physiology, Pharmacy and Pharmacology 7.4 (2017), 366-370. Print. doi:10.5455/njppp.2017.7.1131402122016

APA (American Psychological Association) Style

Vijaykumar, N., Kattimani, . V. C., Nallulwar, . S. C. & Karne, . S. L. (2017) Power spectral analysis of cardiovascular autonomic functional modulation in response to acute psychological stress after induction of acupressure at GV20: An observational study. National Journal of Physiology, Pharmacy and Pharmacology, 7 (4), 366-370. doi:10.5455/njppp.2017.7.1131402122016

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