Left ventricular global longitudinal strain and resting stroke volume index were identified as key parameters associated with exercise tolerance among patients with severe mitral stenosis.
Observational
What are the hemodynamic responses to exercise and predictors of exercise capacity in patients with severe mitral stenosis?
Left ventricular global longitudinal strain and resting stroke volume index are key predictors of exercise tolerance in patients with severe mitral stenosis.
BACKGROUND: is a major indication for intervention in mitral stenosis (MS), patients in this group may exhibit wide variability in exercise tolerance. OBJECTIVES: The aim of this study was to assess hemodynamic changes during exercise in patients with severe MS using exercise cardiac catheterization. METHODS: ). RESULTS: were left ventricular global longitudinal strain, stroke volume index, and MVA, as calculated by the continuity equation, but not planimetry MVA or pressure gradient. CONCLUSIONS: exhibited limited exercise tolerance compared with those with NCD. Left ventricular global longitudinal strain and resting stroke volume index emerged as key parameters associated with exercise tolerance among MS patients.
Kim et al. (Mon,) conducted a observational in Severe mitral stenosis. Exercise vs. NCD was evaluated on Exercise tolerance and hemodynamic changes. Left ventricular global longitudinal strain and resting stroke volume index were identified as key parameters associated with exercise tolerance among patients with severe mitral stenosis.
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