Medicina (Oct 2017)

Sessão de Tai Chi Chuan promove hipotensão pós-exercício e redução da sobrecarga cardiovascular em idosos hipertensos

  • Raphael Santos Teodoro de Carvalho,
  • Anderson Gregorio Joaquim,
  • Joab Jefferson da Silva Xavier,
  • Vivian Marques Miguel Suen,
  • Leila Maria Marchi Alves Ancheschi

DOI
https://doi.org/10.11606/issn.2176-7262.v50i5p297-306
Journal volume & issue
Vol. 50, no. 5

Abstract

Read online

Design: Interventional study, prospective and quantitative study. Objective: To determine blood pressure and double product values of elderly hypertensive patients, after a single Tai Chi Chuan (TCC) session. Methods: Twenty elderly hypertensive patients participated in the study, in which the hemodynamic variables were measured pre-TCC session and control session (without exercise), and monitored for 60 minutes after the end of both sessions. Each session had an interval of 7 days. Results: The results showed that at the end of the TCC, the heart rate remained elevated for 30 minutes, returning to pre-exercise values from the 40th minute. Significant reduction in mean blood pressure (MBP) from the 10th minute, and significant reduction in systolic (SBP) and diastolic (DBP) blood pressure from the 20th minute to the 60th minute after TCC session (p<0.001) were observed. A magnitude reduction compared to pre-exercise was around -22 / -18 mmHg for SBP and DBP respectively (p<0.001). Significant reduction of the DP was observed from the 30th minute, and reduced until the 60th minute after TCC (p<0.001). The magnitude of DP reduction compared to pre-exercise was around -1675 (p<0.01). Conclusions: These findings show that single TCC session promotes post-exercise hypotension (PEH) and reduces cardiac overload in elderly hypertensive patients.

Keywords