Why the study?
What is the incidence and what are the risk factors for permanent complete heart block following surgical closure of isolated ventricular septal defect?
What is the incidence and what are the risk factors for permanent complete heart block following surgical closure of isolated ventricular septal defect?
Large perimembranous VSD and lower body weight are independent risk factors for permanent complete heart block following surgical closure of isolated VSD.
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Lower body weight may flag higher-risk infants for permanent CHB after VSD closure; leaves open prospective validation before risk-stratified practice changes.
Azab et al. (2013) studied this question.
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