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- W3096440106 abstract "Background: In chronic obstructive pulmonary disease (COPD), resistance to airflow favors increased vagal activity, reducing heart rate variability (HRV) and, in turn, quality of life (QoL). Aim: To investigate the differences in QoL in COPD patients, according to HRV frequencies. Method: A cross-sectional study was carried out that included 98 COPD patients. An 8-channel Computerized Biological Feedback device was used to measure HRV in three bands: Very Low Frequency (VLF), Low Frequency (LF) and High Frequency (HF). Based on (VLF+LF)/HF ratio, participants were divided into: GI: low HRV (n=23,>1.1) and GII: high HRV (n=36, 0-0.8). There were no patients with mean HRV (0.9-1.1). The SF-12 questionnaire was applied to evaluate health-related quality of life. Student9s t-test was performed in SPSS v25. Results: Characteristics by group were GI: 70.38±14.50 years, 65% women. GII: 66.05±12.84 years, 60% women. No statistically significant differences were found between the groups (GI vs GII); however, important clinical differences were observed according to the clinical threshold established for the test (5 points), in QoL (47.13±24.89 vs 57.13±24.62), especially in: social function (60.87±39.04 vs 67.08±34.42), physical function (34.78±31.74 vs 53.47 ± 39.71), physical role (32.61±744.23 vs 41.67±45.51), emotional role (45.65±42.40 vs 59.72±41.09) and mental health (60.28±26.24 vs. 64.07±26.15). Conclusions: The HRV is an important biomarker that can be linked to several aspects of patients9 lives, particularly the QoL, defined from a biopsychosocial perspective. It is suggested to include the HRV in the integral approach of the patient." @default.
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- W3096440106 date "2020-09-07" @default.
- W3096440106 modified "2023-10-18" @default.
- W3096440106 title "Heart Variability in the Presence of Psychological Stress and Quality of Life in Patients with Chronic Obstructive Pulmonary Disease" @default.
- W3096440106 doi "https://doi.org/10.1183/13993003.congress-2020.718" @default.
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