Why the study?
Does posture affect left ventricular diastolic filling measured by Doppler echocardiography during exercise in normal young men?
Population
10 normal young men without cardiac disease, mean age 26.7 +/- 5.5 years.
Comparison
Supine bicycle ergometer exercise vs Upright bicycle ergometer exercise
Design
Cross-sectional
Authors
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Posture requires standardization for E/A interpretation at rest/recovery; leaves open positional effects during exercise and generalizability to patients.
Does posture affect left ventricular diastolic filling measured by Doppler echocardiography during exercise in normal young men?
Posture and exercise intensity significantly influence the E/A ratio, which must be considered when evaluating diastolic function with Doppler echocardiography.
Sato et al. (1999) studied this question.
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