Abstract
Background: Unroofed coronary sinus is a congenital cardiac anomaly usually associated with persistent left superior vena cava. Premature restriction or closure of foramen ovale is described in association with hypoplastic left heart syndrome. Abdominal peritoneal bands when present manifest clinically. Case report: A 27 years, gravida 2, presented with intrauterine fetal death at 24 weeks gestation due to fetal congestive cardiac failure, cardiomegaly and hydrops. Perinatal autopsy showed absent coronary sinus with cardiac veins draining directly into the heart. There was no persistent left superior vena cava. The foramen ovale was restricted prematurely. The ductus arteriosus was present and non-restrictive. Abdomen showed a cysto-colic peritoneal band. Conclusion: This is the first report showing a triad of (1) complete absence of coronary sinus without left superior vena cava (type-II); (2) premature restriction of foramen ovale without hypoplastic left heart; and (3) a cysto-colic peritoneal band between the gall bladder and colon.
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