Effects of Tai Chi Chuan in Patients After Recent Acute Myocardial Infarction

Hospital de Clinicas de Porto Alegre61 enrolled

Overview

This is a randomized Clinical Trial to assess the effects of Tai Chi Chuan on blood pressure, respiratory muscle strength and functional capacity in patients after recent acute myocardial infarction.

Background:Patients with a recent myocardial infarction (MI) present a reduction in functional capacity expressed as a decrease in peak oxygen consumption (VO2 peak). The impact of a Tai Chi Chuan (TCC) cardiac rehabilitation program for patients recovering from recent MI has yet to be assessed. Our goal is to evaluate functional capacity after a TCC-based cardiac rehabilitation program in patients with recent MI. Methods: A single-blind randomized clinical trial was conducted. The researchers who performed the tests were blinded to group allocation. Between the 14th and 21st days after hospital discharge, all patients performed a cardiopulmonary exercise testing and a laboratory blood workup. Mean age was similar (56 ± 9 years in the TCC group and 60 ± 9 years in the control group). Patients allocated to the intervention group performed 3 weekly sessions of TCC Beijin style for 12 weeks (n = 31). The control group participated in 3 weekly sessions of full-body stretching exercises (n = 30).

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Acute Myocardial Infarction

Interventions

Tai Chi Chuan exerciseOTHER

patients in this group held three weekly classes of 60 minutes during 12 weeks of Tai Chi Chuan, Yang style. The exercises will be mild to moderate (HR 60 to 75% of HR Max). Slow movements combined with exercises and maintained using your own body weight.

stretching exerciseOTHER

patients in this group held weekly classes of two stretching for 12 weeks.

Eligibility

Sex: ALLMin age: 40 YearsMax age: 75 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Recent acute myocardial infarction * Age 45 and 75 years. * admission until 20 days after hospital discharge * With physical conditions for a cardiac rehabilitation program with exercise. Exclusion Criteria: * Unstable angina * Severe congestive heart failure * Severe lung disease * Altered response of blood pressure to stress

Outcomes

Primary Outcomes

functional capacity

cardiopulmonary exercise testing (VO2)

Time frame: Change from Baseline in functional capacity at 90 days

Secondary Outcomes

respiratory muscle strength

PImax e PEmax were obtained using a pressure tansducer

Time frame: Change from Baseline in respiratory muscle strength at 90 days

Ambulatory blood pressure in 24 hours

24-hour blood pressure

Time frame: Change from Baseline in blood pressure at 90 days

Data from ClinicalTrials.gov

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