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Correlation between 6-min walk test and exercise stress test in healthy children
A Limsuwan1, R Wongwandee, P Khowsathit
1Division of Pediatric Cardiology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. alimsuwan@yahoo.com
Acta Paediatrica (Oslo, Norway : 1992)
|November 20, 2009
Summary
The 6-minute walk test (SMWT) correlates with estimated maximal oxygen consumption (eVO2) from exercise stress tests (EST) in children. SMWT can predict functional capacity and EST performance in pediatric populations.
Area of Science:
- Pediatric exercise physiology
- Cardiopulmonary function assessment
Background:
- Functional capacity is crucial for assessing children's health.
- The 6-minute walk test (SMWT) and incremental treadmill exercise stress test (EST) are common assessment tools.
Purpose of the Study:
- To investigate the correlation between SMWT and EST as indicators of functional capacity in children.
- To determine if SMWT can predict performance on EST.
Main Methods:
- 100 healthy children aged 9-12 years participated.
- Standard protocols were used to measure anthropometric data, SMWT, and EST.
- Correlation analysis was performed on various parameters.
Main Results:
- SMWT distance showed significant correlations with height, leg length, and heart rate parameters during SMWT.
- Estimated maximal oxygen consumption (eVO2) from EST was significantly correlated with SMWT distance (r = 0.54, R(2) = 53%).
- eVO2 tended to be higher in boys than girls during EST.
Conclusions:
- SMWT distance is a significant predictor of eVO2 obtained during EST in children.
- SMWT serves as a valuable predictive marker for exercise stress test performance in pediatric populations.
