Translational stroke research
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Animal models are established to display the pathophysiological changes following subarachnoid hemorrhage (SAH). The aim of the present study was to determine case fatality in mouse delayed cerebral ischemia (DCI) models, to compare mortality in mouse DCI models to case fatality in human SAH patients, and to identify factors influencing mouse mortality. A systematic search of the PubMed database was performed to identify all studies that assessed mouse DCI models. ⋯ The mean overall mortality rate in mouse DCI models is significantly lower than human case fatality following aneurysmal SAH. However, time between SAH induction and evaluation is a significant variable influencing the mortality rate in mouse SAH models. Further analyses will be required to establish whether and to which extent different DCI models affect mortality and reflect human pathophysiology.