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Outcomes following balloon mitral valvuloplasty in pregnant females with mitral stenosis and significant sub valve disease with severe decompensated heart failure.
Journal of Interventional Cardiology 2018 August
BACKGROUND: Mitral stenosis may present with decompensated heart failure during pregnancy. Many patients do have advanced sub valve disease and present late with decompensated state. The outcomes of balloon mitral valvuloplasty (BMV) in such advanced sub valve disease with severe heart failure in pregnancy has not been specifically studied till now.
METHODS: A descriptive study looking at the immediate and long-term outcomes of pregnant patients with MS who presented with severe heart failure and sub valve disease who had undergone BMV.
RESULTS: Ninety-six patients were studied. The mean gestational age was 23.4 ± 10.9 weeks .Mean SpO2 was 89% at admission,17% were in cardiogenic shock and 33.33 were on mechanical ventilation. The mean Wilkin's score was 9.71 ± 2.1 and sub valve score was 3.3 ± 0.12. BMV was successful in 77 (80.2%) patients and failed in 19. In 5.2% cases, acute severe MR occurred. There were 11 maternal deaths (six in failed and five in success group). A successful obstetric outcome was seen in 71 patients in success (92%) and 11/19 (57%) in failed (P < 0.001). The obstetric outcomes were better in success versus failure group. Anova post hoc analysis showed sustained gradient reductions at 1 and 5 year follow-up (P = 0.03) in success group.
CONCLUSIONS: BMV offers substantial improvement in clinical outcomes among pregnant patients with MS and heart failure even with severe sub valve disease. The morality rate among failed was high at 31%. The obstetric outcomes were poor after a failed BMV. Outcomes following balloon mitral valvuloplasty in pregnant females with mitral stenosis and significant sub valve disease with severe decompensated heart failure.
METHODS: A descriptive study looking at the immediate and long-term outcomes of pregnant patients with MS who presented with severe heart failure and sub valve disease who had undergone BMV.
RESULTS: Ninety-six patients were studied. The mean gestational age was 23.4 ± 10.9 weeks .Mean SpO2 was 89% at admission,17% were in cardiogenic shock and 33.33 were on mechanical ventilation. The mean Wilkin's score was 9.71 ± 2.1 and sub valve score was 3.3 ± 0.12. BMV was successful in 77 (80.2%) patients and failed in 19. In 5.2% cases, acute severe MR occurred. There were 11 maternal deaths (six in failed and five in success group). A successful obstetric outcome was seen in 71 patients in success (92%) and 11/19 (57%) in failed (P < 0.001). The obstetric outcomes were better in success versus failure group. Anova post hoc analysis showed sustained gradient reductions at 1 and 5 year follow-up (P = 0.03) in success group.
CONCLUSIONS: BMV offers substantial improvement in clinical outcomes among pregnant patients with MS and heart failure even with severe sub valve disease. The morality rate among failed was high at 31%. The obstetric outcomes were poor after a failed BMV. Outcomes following balloon mitral valvuloplasty in pregnant females with mitral stenosis and significant sub valve disease with severe decompensated heart failure.
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