Why the study?
Can intraoperative pressure tracings predict the success of mitral commissurotomy in patients with mitral stenosis?
Can intraoperative pressure tracings predict the success of mitral commissurotomy in patients with mitral stenosis?
Intraoperative recording of left auricular and pulmonary arterial pressures during mitral commissurotomy provides valuable prognostic information regarding operative success.
Intraoperative tracings may predict mitral commissurotomy success; hypothesis-generating from Level 5 data and requires prospective validation.
During commissurotomy for stenosis of the mitral valve, it has been possible to record the moment to moment changes in left auricular and pulmonary arterial pressures, using an electronic manometer system. The left auricular pulse patterns have varied depending on the degree of stenosis and the presence or absence of auricular fibrillation or unsuspected regurgitation. The degree of success attending operative intervention on the mitral valve has been predictable by a study of the postcommissurotomy tracings.
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Munnell et al. (1951) studied this question.
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