Abstract
Background
Surgical repair of obstructed total anomalous pulmonary venous connection (TAPVC) is a high-risk surgical cohort. This study aimed to assess surgical risk factors and outcomes in infants with TAPVC treated at a single centre.
Methods
This was a prospective single-centre, observational study that included consecutive patients presenting with obstructed TAPVC. Patients with obstructed supra-cardiac, cardiac, and infra-cardiac TAPVC were included in the study. In-hospital mortality was the primary outcome. Multivariable logistic regression was carried out to identify risk factors for in-hospital mortality.
Results
Of the 41 patients, 31 (75.6%) were males. Ages were distributed as follows: 20 (48.8%) between 1 and 3 months, 11 (26.88%) between >3 months, and 10 (24.4%) neonates. The in-hospital mortality was 19.5% (n=8). Of the remaining 33 patients, there were no deaths during the follow-up. Short-term follow-up was achieved for 100% of cases (up to 6 months post-operatively). The mean duration of follow-up was 43.6± 3.6 months. One (3%) early and 2 (6%) late pulmonary vein obstructions were observed during follow-up. Age less than 30 days and pre-operative ventilation were associated with significantly increased risk of in-hospital mortality.
Conclusions
Despite logistical challenges, reasonable surgical outcomes are attainable in obstructed TAPVC cases. Age less than 30 days and need for pre-operative ventilation were independent predictors of in-hospital mortality, while pulmonary venous obstruction in the post-operative period contributed to re-interventions.
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Data availability
Data is available from the corresponding author on a reasonable request.
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AS: contributed towards data acquisition, revising the manuscript, and approval of the final version.
BP: contributed towards data acquisition, illustrations, data analysis, writing and revising the manuscript, and approval of the final version.
MD: contributed towards modification of the draft and approval of the final version.
SKB: contributed towards the conception of the study, revising the manuscript, and approval of the final version.
AC: contributed towards modification of the draft and approval of the final version.
PN: contributed towards the conception of the study, writing and revising the manuscript, analysing the data, and approval of the final version.
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Samaddar, A., Purkayastha, B., Das, M. et al. Risk factors and outcomes for surgical repair of obstructed total anomalous pulmonary venous connection. Indian J Thorac Cardiovasc Surg 40, 318–326 (2024). https://doi.org/10.1007/s12055-024-01690-0
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DOI: https://doi.org/10.1007/s12055-024-01690-0