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Updated: May 31, 2026

Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
Published on: August 30, 2020
Triggers for aggressive interventions in subarachnoid hemorrhage.
1Neuroscience ICU, Milan University, Fondazione IRCCS Cà Granda-Ospedale Policlinico, Via F. Sforza 35, Milan, Italy. stocchet@policlinico.mi.it
Clinical signs and lab data can predict delayed cerebral ischemia after subarachnoid hemorrhage. These predictors help guide interventions to prevent neuronal injury from vasospasm.
Area of Science:
- Neurology
- Neurosurgery
- Critical Care Medicine
Background:
- Delayed cerebral ischemia (DCI) is a significant cause of secondary brain injury following aneurysmal subarachnoid hemorrhage (aSAH).
- Early identification of patients at risk for DCI is crucial for timely intervention and improved outcomes.
- Current predictive markers for DCI are limited, necessitating further research into reliable clinical and laboratory predictors.
Framework:
- This study systematically reviewed existing literature to identify clinical signs and laboratory data associated with DCI after aSAH.
- The review focused on identifying potential triggers for enhanced diagnostic testing or therapeutic interventions.
- Evidence quality for included studies ranged from very low to moderate.
Implementation:
- Fifteen original research articles discussing triggers for DCI were identified and analyzed.
- Clinical signs and monitoring data were synthesized from the reviewed studies.
- Expert opinion was integrated with study data to refine trigger identification.
Implications:
- Identified clinical signs and laboratory data can serve as valuable triggers for initiating further diagnostic workup or aggressive management strategies.
- A sequential approach utilizing these triggers can aid clinicians in managing aSAH patients and mitigating ischemic injury.
- This framework aims to optimize patient care by enabling proactive interventions against vasospasm-induced ischemia.
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