Long-term outcomes of total correction for isolated total anomalous pulmonary venous connection: lessons from 50-years' experience
Abstract
Isolated total anomalous pulmonary venous connection (TAPVC) is a relatively rare congenital cardiac defect, while pulmonary venous obstruction (PVO) is associated with poor prognosis. We reviewed the long-term outcome of total correction for isolated TAPVC at our institute and analysed the risk factors for mortality and morbidity. A total of 290 isolated TAPVC patients evaluated between 1965 and 2016 were divided into 2 groups: Group Early (n = 151) underwent surgery before 1989; Group Late (n = 139) underwent surgery after 1990. The mean age at operation was 10.4 ± 30.2 months (range 0 day to 23 years), and the mean body weight was 5.5 ± 6.0 kg (range 1.6-48 kg). Group Late included more patients with the infracardiac type of TAPVC and preferably used the posterior approach. There were 53 hospital deaths and 16 late deaths. Postoperative PVO was recognized in 28 patients. The mean follow-up time was 18.2 ± 9.7 years (range 2 months to 42.4 years). The actuarial survival rate was improved to 87.8% at 20 years in Group Late. Multivariable analysis revealed that death rate was significantly increased in patients of Group Early, with a body weight <2 kg and with postoperative PVO (P < 0.0001, P = 0.0041, P = 0.0003, respectively)...Continue Reading
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