Key result
Sedentary adults with hypertension average ~388 meters on the 6-minute walk test, declining with age.
Why the study?
Physical exercise controls systemic arterial hypertension and the six-minute walk test assesses physical capacity before prescription, but reference values for Brazilian hypertensive individuals were needed.
What are the reference values and determinants of functional capacity in the 6-minute walk test among sedentary Brazilian adults with hypertension?
Cross-Sectional (n=302)
Blinded assessors
No
What are the reference values and determinants of functional capacity in the 6-minute walk test among sedentary Brazilian adults with hypertension?
This study provides targeted reference values for the 6-minute walk test in Brazilian adults with hypertension, highlighting that functional capacity is notably lower than in healthy populations and inversely correlated with age.
Provides preliminary 6-MWT references for hypertensive Brazilians; leaves open whether adoption improves exercise prescription or outcomes.
Introduction Systemic arterial hypertension (SAH) is responsible for 9.5 million deaths in the global popu-lation. Lifestyle factors, including physical inactivity, are important modifiable risk factors in the development of SAH. Thus, physical exercise has been shown to be effective to control SAH and before the prescription, the six-minute walk test (6-MWT) has been commonly used to assess the physical capacity. Objective To propose reference values for the 6-MWT test in Brazilian people with SAH. Methods A cross-sectional observational study was conducted with 302 hypertensive subjects (62.61 + 10.93 years) admitted to a cardiac rehabilitation program. Participants were divided into different age quartiles and submitted to 6-MWT. The walking distance data was compared between the quartiles and adjusted by mul-tiple linear regression analysis. Results The hypertensive subjects walked 388.07 + 115.03 m during the 6-MWT. No significant difference between the genders was found. However, when the age quartiles were compared, for the 46–59 age group, the women walked less than the men. Intra-group comparisons showed that the distance walked in the 6-MWT decreased with the increase in age, in both men and women. Conclusion The present study provides reference values for the 6-MWT, both for Brazilian men and women of different age groups. This data may be an important parameter for future clinical studies, prevention strategies, and clinical intervention.
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Lima et al. (2024) conducted a cross-sectional in Systemic arterial hypertension (SAH) (n=302). 6-minute walk test (6-MWT) vs. Healthy reference populations (predicted values) was evaluated on Distance walked during the 6-minute walk test (6-MWT) (Mean distance 388.07 ± 115.03 m). In sedentary Brazilian adults with hypertension, the average 6-minute walk test distance was 388 meters, which decreased significantly with advancing age and was shorter than predicted values for healthy individuals.
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