Why the study?
Does right atrial pacing alter haemodynamic parameters in patients with isolated rheumatic mitral stenosis?
Population
12 patients with isolated rheumatic mitral stenosis in normal sinus rhythm, average age 25.6 years
Comparison
Right atrial pacing vs Baseline (before pacing)
Design
Case_series
Authors
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Supports normal LV function in isolated rheumatic MS during atrial pacing; hypothesis-generating and requires prospective confirmation.
Does right atrial pacing alter haemodynamic parameters in patients with isolated rheumatic mitral stenosis?
In young patients with isolated rheumatic mitral stenosis, right atrial pacing decreases ventricular end-diastolic pressures and stroke work while increasing pulmonary arterial wedge pressures, indicating normal left ventricular function.
Manchanda et al. (1974) studied this question.
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