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IntroductionThe aim of the study was to analyse the risk factors of early and late mortality in patients undergoing the first reoperation for prosthetic valve dysfunction.Material and methodsA retrospective observational study was performed in 194 consecutive patients (M = 75, F = 119; mean age 53.2 ±11 years) with a mechanical prosthetic valve (n = 103 cases; 53%) or bioprosthesis (91; 47%). Univariate and multivariate Cox statistical analysis was performed to determine risk factors of early and late mortality.ResultsThe overall early mortality was 18.6%: 31.4% in patients with symptoms of NYHA functional class III-IV and 3.4% in pts in NYHA class I-II. Multivariate analysis identified symptoms of NYHA class III-IV and endocarditis as independent predictors of early mortality. The overall late mortality (> 30 days) was 8.2% (0.62% year/patient). Multivariate analysis identified age at the time of reoperation as a strong independent predictor of late mortality.ConclusionsReoperation in patients with prosthetic valves, performed urgently, especially in patients with symptoms of NYHA class III-IV or in the case of endocarditis, bears a high mortality rate. Risk of planned reoperation, mostly in patients with symptoms of NYHA class I-II, does not differ from the risk of the first operation.

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Pregnancy after organ transplantation is becoming relatively common. We present the case of a heart transplant recipient who gave birth to a second child. Despite the fact that the transplanted heart seems to adapt well to the changes caused by pregnancy, gestation in patients after heart transplantation may be complicated by hypertension, pre-eclampsia, or preterm labor. In this article, we consider the issues of preterm uterine contractions, anemia, thrombocytopenia, and several other complications in pregnant patients with transplanted hearts. We also present current opinions regarding the use of glucocorticoids as a form of preventing breathing disorders in neonates as well as breast-feeding by mothers receiving immunosuppressive agents. Pregnancies in heart transplant recipients should be considered high-risk. A second successful delivery of a healthy child remains a challenge for such patients and their doctors.