Key result
Surgical treatment of mitral regurgitation yields ~25% overall mortality.
Early surgical treatment of mitral regurgitation was associated with a 25% mortality rate in this series.
High mortality advises caution against routine early mitral regurgitation surgery; hypothesis-generating and requires prospective validation.
Since this survey a further 5 patients have been treated without fatality giving a mortality of 25 per cent.
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John Belcher (1964) studied this question. Surgical treatment of mitral regurgitation yielded an overall mortality of 25% after five additional patients were treated without fatality.
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