A second closed-heart operation for recurrent mitral stenosis symptoms resulted in a 10.5% hospital mortality rate, with 52% of patients well and working at 6 months to 5 years.
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May inform reoperation risk discussions in recurrent mitral stenosis; leaves open applicability to contemporary interventions.
Nineteen seriously disabled patients were operated upon a second time (using closed-heart technique) for recurrence of symptoms of mitral stenosis. The hospital mortality rate was 10.5%; there was one late death. Ten patients (52%) were well and working six months to five years after the second operation. In considering the cause of restenosis it was noted that nine patients had inadequate opening of the mitral valve at first operation. In five cases (26%) rheumatic activity appeared to be solely responsible for restenosis. In a further four cases (21%) it was considered that rheumatic activity was a contributing cause of restenosis. The diagnosis of rheumatic activity and the place of open heart procedures in the treatment of restenosis are discussed.
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THOMAS et al. (1963) studied this question.
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