Why the study?
Does treadmill exercise testing predict symptom onset within 12 months in patients with asymptomatic aortic stenosis?
Population
125 patients with asymptomatic aortic stenosis (effective orifice area 0.9+/-0.2 cm2)
Design
Cohort
Follow-up
12 months
Authors
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May support exercise testing for risk stratification in asymptomatic aortic stenosis; leaves open whether it should guide intervention timing.
Does treadmill exercise testing predict symptom onset within 12 months in patients with asymptomatic aortic stenosis?
Exercise testing in apparently asymptomatic aortic stenosis can reveal limiting symptoms that strongly predict the development of spontaneous symptoms within 12 months, aiding in risk stratification.
Das et al. (2005) studied this question.
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