Why the study?
Is autonomic nervous system activity altered in patients with rheumatic mitral stenosis compared to healthy controls?
Population
54 patients with rheumatic mitral stenosis and 42 age- and gender-matched healthy controls
Design
Case-control
Authors
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Supports sympathetic predominance in mitral stenosis; hypothesis-generating and requires prospective studies before clinical use.
Is autonomic nervous system activity altered in patients with rheumatic mitral stenosis compared to healthy controls?
Patients with rheumatic mitral stenosis exhibit increased sympathetic nervous system activity, which correlates with left atrial dilatation and reduced mitral valve area.
Özdemır et al. (2004) studied this question.
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