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- W2914288448 abstract "Delayed cerebral ischemia (DCI) is among the most dreaded complications following aneurysmal subarachnoid hemorrhage (SAH). Despite advances in neurocritical care, DCI remains a significant cause of morbidity and mortality, prolonged intensive care unit and hospital stay, and high healthcare costs. Large artery vasospasm has classically been thought to lead to DCI. However, recent failure of clinical trials targeting vasospasm to improve outcomes has underscored the disconnect between large artery vasospasm and DCI. Therefore, interest has shifted onto other potential mechanisms such as microvascular dysfunction and spreading depolarizations. Animal models can be instrumental in dissecting pathophysiology, but clinical relevance can be difficult to establish. Here, we performed a systematic review of the literature on animal models of SAH, focusing specifically on DCI and neurological deficits. We find that dog, rabbit and rodent models do not consistently lead to DCI, although some degree of delayed vascular dysfunction is common. Primate models reliably recapitulate delayed neurological deficits and ischemic brain injury; however, ethical issues and cost limit their translational utility. To facilitate translation, clinically relevant animal models that reproduce the pathophysiology and cardinal features of DCI after SAH are urgently needed." @default.
- W2914288448 created "2019-02-21" @default.
- W2914288448 creator A5000597691 @default.
- W2914288448 creator A5018994076 @default.
- W2914288448 creator A5044559087 @default.
- W2914288448 creator A5091881914 @default.
- W2914288448 date "2019-01-22" @default.
- W2914288448 modified "2023-10-14" @default.
- W2914288448 title "Delayed Cerebral Ischemia After Subarachnoid Hemorrhage: Experimental-Clinical Disconnect and the Unmet Need" @default.
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