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Volume 19
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10.3390/ijerph19116537
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Article

The Comparative Effect of Reduced Mindfulness-Based Stress on Heart Rate Variability among Patients with Breast Cancer

by
Shu-Jung Wang
1,
Yun-Chen Chang
2,*,
Wen-Yu Hu
1,3,
Yuh-Ming Chang
4 and
Chi Lo
5
1
School of Nursing, College of Medicine, National Taiwan University, No. 1, Ren-Ai Rd. Sec. 1, Taipei 10051, Taiwan
2
School of Nursing and Graduate Institute of Nursing, China Medical University, No. 100, Sec. 1, Jingmao Rd., Beitun Dist., Taichung 40604, Taiwan
3
Department of Nursing, National Taiwan University Hospital, No. 7, Chung-Shan South Rd., Taipei 10002, Taiwan
4
Institute of Biochemistry, Microbiology, and Immunology, Chung Shan Medical University, Taichung 40201, Taiwan
5
Department of Hospitality Management, Chung Hua University, Hsinchu 30012, Taiwan
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2022, 19(11), 6537; https://doi.org/10.3390/ijerph19116537
Submission received: 4 May 2022 / Revised: 15 May 2022 / Accepted: 18 May 2022 / Published: 27 May 2022
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Abstract

Heart rate variability (HRV) is a powerful tool for observing interactions between the sympathetic and parasympathetic nervous systems. This study evaluated HRV during a mindfulness-based stress reduction (MBSR) program among women with breast cancer after receiving treatment. A quasi-experimental, nonrandomized design was used. Patients were allocated to usual care (n = 25) and MBSR (n = 25) groups. HRV was measured using recognized methods to assess the autonomic nervous system. Two-way ANOVA and t-tests were used to examine HRV changes between and within groups, respectively. A significant interaction effect of time with group was observed on heart rate (F (1, 96) = 4.92, p = 0.029, η2 = 0.049). A significant difference was also observed within the MBSR group preintervention and postintervention with regard to heart rate (t (24) = −3.80, p = 0.001), standard deviation of the RR interval (t (24) = 5.40, p < 0.001), root-mean-square difference in the RR interval (t (24) = 2.23, p = 0.035), and high-frequency power (t (24) = 7.73, p < 0.001). Large effect sizes for heart rate and SDNN of 0.94 and 0.85, respectively, were observed between the MBSR and usual care groups. This study provides preliminary evidence that an MBSR program may be clinically useful for facilitating parasympathetic activity associated with feelings of relaxation in treated breast cancer survivors.
Keywords: heart rate variability (HRV); breast cancer; mindfulness-based stress reduction (MBSR) heart rate variability (HRV); breast cancer; mindfulness-based stress reduction (MBSR)

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MDPI and ACS Style

Wang, S.-J.; Chang, Y.-C.; Hu, W.-Y.; Chang, Y.-M.; Lo, C. The Comparative Effect of Reduced Mindfulness-Based Stress on Heart Rate Variability among Patients with Breast Cancer. Int. J. Environ. Res. Public Health 2022, 19, 6537. https://doi.org/10.3390/ijerph19116537

AMA Style

Wang S-J, Chang Y-C, Hu W-Y, Chang Y-M, Lo C. The Comparative Effect of Reduced Mindfulness-Based Stress on Heart Rate Variability among Patients with Breast Cancer. International Journal of Environmental Research and Public Health. 2022; 19(11):6537. https://doi.org/10.3390/ijerph19116537

Chicago/Turabian Style

Wang, Shu-Jung, Yun-Chen Chang, Wen-Yu Hu, Yuh-Ming Chang, and Chi Lo. 2022. "The Comparative Effect of Reduced Mindfulness-Based Stress on Heart Rate Variability among Patients with Breast Cancer" International Journal of Environmental Research and Public Health 19, no. 11: 6537. https://doi.org/10.3390/ijerph19116537

APA Style

Wang, S.-J., Chang, Y.-C., Hu, W.-Y., Chang, Y.-M., & Lo, C. (2022). The Comparative Effect of Reduced Mindfulness-Based Stress on Heart Rate Variability among Patients with Breast Cancer. International Journal of Environmental Research and Public Health, 19(11), 6537. https://doi.org/10.3390/ijerph19116537

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