ObjectiveTo explore risk factors associated with mortality and restenosis after the surgery for congenital pulmonary venous stenosis (CPVS) combined with congenital heart disease.MethodsFrom May 2007 to August 2019, 58 patients received surgical relief of CPVS combined with congenital heart disease, including 24 males and 34 females, aged 17.2±26.3 months, weighing 8.8±8.2 kg. Endpoints were death and restenosis, and the risk factors were analyzed. A univariate and multivariate risk analyses were performed.ResultsPreoperative pulmonary venous stenosis severity score (PVSSS) was 4.5±2.7. Average pulmonary vein counts with CPVS was 1.9±1.0. There were 2 (3.4%) early deaths. The mean follow-up time was 2-145 (49.8±40.0) months. The 1-, 2-, 3- and 5-year overall survival rates were 86.7%, 81.3%, 78.5% and 73.6%, respectively, and the pulmonary venous restenosis-free rates were 79.6%, 68.5%, 68.5% and 68.5%, respectively. Preterm birth was an independent risk factor for mortality. The pulmonary venous peak flow rate ≥1.2 m/s at discharge was an independent risk factor for mortality and restenosis.ConclusionThe prognosis of CPVS is still poor. Postoperative residual stenosis at discharge is an independent risk factor for death and restenosis.