Cardiac Autonomic Function and Functional Capacity in Post-COVID-19 Individuals with Systemic Arterial Hypertension
Duarte Cunha, E. F., Sobral Silveira, M., Milan-Mattos, J. C., Silveira Cavalini, H. F., Ferreira, Á. A., de Souza Batista, J., Cazé Uzumaki, L., Coelho Guimarães, J. P., Lustosa Roriz, P. I., de Novaes Assis Dantas, F. M., Hautala, A. J., de Abreu, R. M., Catai, A. M., Schwingel, P. A., & Ribeiro Neves, V. (2023). Cardiac Autonomic Function and Functional Capacity in Post-COVID-19 Individuals with Systemic Arterial Hypertension. Journal of Personalized Medicine, 13(9), Article 1391. https://doi.org/10.3390/jpm13091391
Published inJournal of Personalized Medicine
© 2023 by the authors. Licensee MDPI, Basel, Switzerland.
Individuals diagnosed with systemic arterial hypertension (SAH) are considered risk groups for COVID-19 severity. This study assessed differences in cardiac autonomic function (CAF) and functional capacity (FC) in SAH individuals without COVID-19 infection compared to SAH individuals post-COVID-19. Participants comprised 40 SAH individuals aged 31 to 80 years old, grouped as SAH with COVID-19 (G1; n = 21) and SAH without COVID-19 (G2; n = 19). CAF was assessed via heart rate variability (HRV), measuring R–R intervals during a 10-min supine period. Four HRV indices were analyzed through symbolic analysis: 0V%, 1V%, 2LV%, and 2UV%. FC assessment was performed by a 6-min walk test (6MWT). G1 and G2 showed no significant differences in terms of age, anthropometric parameters, clinical presentation, and medication use. G2 exhibited superior 6MWT performance, covering more distance (522 ± 78 vs. 465 ± 59 m, p < 0.05). Specifically, G2 demonstrated a moderate positive correlation between 6MWT and the 2LV% index (r = 0.58; p < 0.05). Shorter walking distances were observed during 6MWT in SAH individuals post-COVID-19. However, the study did not find impaired cardiac autonomic function in SAH individuals post-COVID-19 compared to those without. This suggests that while COVID-19 impacted FC, CAF remained relatively stable in this population. ...
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Additional information about fundingThis research was funded by Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE), grant number APQ-1413-4.08/2; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), grant number 426706/2016-1; and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brazil (CAPES), Finance Code 001. Matheus Sobral Silveira was granted a doctorate scholarship by FACEPE, grant number IBPG-0550-4.09/22. Ádrya Aryelle Ferreira and Heitor Fernandes Silveira Cavalini were granted master’s scholarships by the CAPES Social Demand Program. Joice de Souza Batista and João Paulo Coelho Guimarães received scientific research scholarships from CNPq. ...
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