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CASE REPORT

Pediatric Right Ventricular Cardiac Steatosis following Immunosuppressive Treatment

, , , , , , , & show all
Pages 691-696 | Received 09 Sep 2019, Accepted 15 Oct 2019, Published online: 11 Mar 2020
 

Abstract

Background

Right ventricular myocardial fatty infiltration has been observed in pediatric cardiac allografts with an associated decrease in graft life expectancy. A possible explanation included an immunosuppressant drug effect which prompted us to examine common factors between non-cardiac transplanted immunosuppressed patients and postmortem hearts of pediatric patients who died of non-cardiac causes.

Materials and Methods

Sixty-one of 1,030 pediatric autopsies were from immunosuppressed children who were treated with corticosteroids for malignant tumors, non-cardiac transplantations, or other chronic clinical conditions. 62 children who died for non-medical reasons served as controls. Cardiac H&E autopsy slides were examined for right ventricular fatty infiltration.

Results

There was a significant increase in right ventricular fatty infiltration in patients that were non-cardiac transplanted and immunosuppressed compared to controls. None of the index patients had other features of arrhythmogenic right ventricular dysplasia.

Conclusions

Immunosuppression may lead to right ventricular fatty infiltration in childhood.

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