Major cerebral hypoperfusion on an internal carotid loop during an otologic surgery: A case report.

An aberrant course of the internal carotid artery, such as a carotid loop or kinking, is a rare type of malformation. These malformations are typically asymptomatic, their occurrence is unpredictable, and they can exacerbate clinical disorders such as heart failure. We report the case of a seven-year-old child who died consecutively to cardiac arrest during otologic surgery for a cholesteatoma. After rapid and effective cardiorespiratory resuscitation, the child was transferred to a paediatric intensive care unit. In the following days, pronounced cerebral hypoperfusion led to the death of the child. The autopsy revealed a right carotid loop and a left carotid kink that presumably led to the cerebral hypoperfusion.