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- W1976276094 abstract "Mitral valve surgery was performed in 59 patients with severe pulmonary hypertension (average systolic pulmonary artery pressure 77.1 +/- 18.6 mmHg; range 50-115 mmHg) between 1983 and 1990. Thirty-eight patients had been subjected to mitral valve replacement, 16 patients both mitral and aortic valve replacement, and 5 patients had open mitral commissurotomy, with an operative (30 day) mortality of 5.0%. These 3 deaths happened during the early postoperative period. Survivors were followed up for a period ranging from 6 months to 7 years with a mean of 36 months. Four late deaths (7.1%) occurred in patients with valve replacement. Actuarial survival was 93 +/- 3% at 5 years, and 90.7 +/- 4.4% at 7 years. Right ventricular catheterization was performed on 14 patients a mean of 38 months following operation. Systolic pulmonary artery pressure had decreased from a mean of 77.1 +/- 18.6 to 39.7 +/- 14.0 mmHg (p less than 0.001) and 90% of the survivors were in New York Heart Association Class 1 or II compared to 23.7% preoperatively. The clinical and hemodynamic findings in this series suggest that severe pulmonary hypertension is not a contraindication, and pulmonary hypertension decreases significantly after mitral valve surgery." @default.
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- W1976276094 date "1992-01-01" @default.
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- W1976276094 title "Mitral Valve Surgery in the Presence of Pulmonary Hypertension." @default.
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- W1976276094 doi "https://doi.org/10.1536/ihj.33.179" @default.
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