Key result
Post-COVID-19 syndrome was associated with altered heart rate variability parameters, indicating significant cardiovascular autonomic changes.
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This letter highlights the importance of investigating heart rate variability parameters to understand autonomic repercussions in patients with post-COVID-19 syndrome.
Dear Editor, The article by Davanço et al., entitled “Post-COVID-19 Syndrome and Autonomic Repercussions on Cardiovascular Variables” (ABC Heart Fail Cardiomyop. 2023; 3(3): e20230056), makes an important contribution to understanding the autonomic repercussions of COVID-19 on cardiovascular modulation. This study stands out for addressing an emerging and highly relevant clinical topic by investigating heart rate variability (HRV) parameters in patients with post-COVID-19 syndrome, using robust temporal and spectral domain measures. The methodological rigor, adherence to STROBE guidelines, and adequate characterization [...]
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Pedro Pereira Tenório (2025) studied this question. Post-COVID-19 syndrome was associated with altered heart rate variability parameters, indicating significant cardiovascular autonomic changes.
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