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Evaluation of a Point‐of‐Care Viscoelastic Coagulation Monitor ( VCM Vet ) and Thromboelastography ( TEG ) in Bonobos ( Pan paniscus )

Year: 2026

Type: article

Abstract: INTRODUCTION: Bonobos (Pan paniscus) are endangered and uncommon in managed care. Prothrombotic and hypofibrinolytic states are encountered with cardiovascular disease, ischemic stroke, and neoplasia. MATERIALS AND METHODS: Twelve bonobos from one institution were evaluated during anesthetized exams. Samples were analyzed on a VCM Vet analyzer, obtaining results within 1 h. RESULTS: VCM parameters (median [IQR]) reflected clot formation: clot time 300 s [265-332], clot formation time 97 s [82-107], α-angle 65° [63-69]; clot strength: maximum clot formation 50 units [47-52], amplitude 10 min 40 units [35-44], and amplitude 20 min 47 units [43-51]; and clot lysis: index 30 min 99.97% [99.95-100.00] and index 45 min 98.10% [97.50-99.20]. VCM was compared to thromboelastography and coagulation testing. DISCUSSION: Bonobos were hypercoagulable when compared to canine reference intervals, consistent with chimpanzees. Bonobos medicated for hypertension in this study were hypocoagulable compared to normotensive individuals.

Source: Journal of Medical Primatology

DOI: 10.1111/jmp.70094