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Peer-reviewed veterinary case report

Sudden Death of a 17-Month-Old Chimpanzee (Pan troglodytes) due to a Congenital Undiagnosed Ventricular Septal Defect.

Journal:
Journal of medical primatology
Year:
2026
Authors:
Kondova, Ivanela et al.
Affiliation:
Biomedical Primate Research Centre · Netherlands

Abstract

Ventricular septal defect (VSD) is a congenital defect that is frequently observed in humans. We report the sudden death of an infant chimpanzee due to a congenital undiagnosed VSD. During necropsy, the examination of the heart revealed a VSD, dilatation of the left ventricle and myocardial hypertrophy of the right ventricle.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/41826806/