Chronic haemolysis is a rare but important postsurgical complication in children with congenital heart defects. A 13-year-old with a previously uncorrected complex heart defect underwent corrective surgery. He developed haemolysis postoperatively. A mechanical cause due to turbulent flow through a narrowed intraventricular Dacron patch tunnel was suspected. Balloon dilatation and stent placement successfully resolved the stenosis and haemolysis.
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Schupp et al. (2026) studied this question.
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