Evaluation of predictive factors for pulmonary valve replacement after total correction in children with tetralogy of Fallot

Abstract

Congenital heart defects, with a prevalence of 4-8 cases per 1000 births, are the most common congenital defects. Tetralogy of Fallot (ToF) is the most common congenital cyanotic disease. There are several techniques for correcting this anomaly. Patients need PVR surgery in the years after primary surgery. In this study, we investigated the predictors of PVR. Method: 204 ToF patients were included in the study between 2004-2020. The number of patients who needed to be recorded and broadcast was extracted, then the factors of age, sex, weight during surgery, pre-TFTC echocardiographic findings, coronary artery anatomy, left and right ventricular function, type of surgery at TFTC, angiographic findings Preoperative TFTC and preoperative palliative TFTC were compared between the two groups. Results: The mean age at TFTC was 27.8 in the TFTC + PVR group and 58.8 in the TFTC group, which was significantly different from the combination of differences (P less than 0.001). The severity of right ventricular dysfunction was significantly different between TFTC and TFTC + PVR (P = 0.003). Among the anatomies, the only cases whose frequency differed significantly between the two groups of TFTC and TFTC + PVR were RPA and PAB (P = 0.015 and 0.003, respectively). Multiple preoperative palliative applications as well as previous methods were significantly different between the two groups (P = 0.001)