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Postmortem audit in a paediatric cardiology unit
1Department of Paediatric Pathology, Bristol Royal Hospital for Sick Children.
Insights
Postmortem examinations reveal significant unsuspected abnormalities in children with congenital heart disease, even after thorough clinical investigation. These findings highlight the critical role of necropsy in identifying missed diagnoses and improving surgical outcomes.
Area of Science:
- Pediatric Pathology
- Cardiovascular Surgery
- Congenital Heart Disease
Background:
- Congenital heart disease (CHD) is a significant cause of mortality in children.
- Clinical diagnosis and investigation for CHD can be complex and challenging.
- Postmortem examinations are crucial for understanding disease progression and identifying diagnostic discrepancies.
Purpose of the Study:
- To retrospectively review postmortem findings in children with CHD.
- To compare necropsy results with clinical diagnoses and antemortem investigations.
- To identify unsuspected abnormalities and their contribution to mortality.
Main Methods:
- Retrospective review of 76 postmortem examinations in children with diagnosed CHD.
- Comparison of necropsy findings with clinical data and surgical history.
- Analysis of operated and unoperated cases over a three-year period.
Main Results:
- A high rate (80%) of unsuspected abnormalities was found at necropsy.
- 29 cases had undiagnosed additional cardiac anomalies or surgical flaws.
- Undiagnosed conditions contributed to death in 13 cases; surgical defects were uncommon but informative.
Conclusions:
- Postmortem examination provides a high yield of clinically important, undetected pathology in children with CHD.
- Necropsy findings can inform surgical technique modifications and improve diagnostic accuracy.
- Further research is needed on myocardial necrosis and pulmonary foreign body embolism in this population.
Abstract:
Postmortem examinations performed on 76 children with a clinical diagnosis of congenital heart disease were reviewed retrospectively and compared with the findings before death. Both operated and unoperated cases were studied over a three year period. Despite intensive investigation during life, there was a high rate of unsuspected abnormalities at necropsy (80%): 29 cases had undiagnosed additional cardiac anomalies or surgical flaws, which contributed to death in 13 cases. Defects in surgery were uncommon but permitted modification in surgical technique to avoid recurrence. Myocardial necrosis and pulmonary foreign body embolism were common findings, the importance of which is uncertain and requires further study for their prevention. Even in the most thoroughly investigated cases postmortem examination has a high yield of clinically important pathology which is undetected during life.