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Current and novel approaches for critical care management of aneurysmal subarachnoid hemorrhage in critical care.

Authors

Zoumprouli A,Carden R,Bilotta F

Affiliations (3)

  • Neuroscience and Cell Biology Research Institute, City St. George's, University of London.
  • NeuroIntensive Care Unit, St. George's University Hospitals NHS Foundation Trust, London, UK.
  • Department of Anaesthesiology, Critical Care and Pain Medicine, University of Rome' La Sapienza', Rome, Italy.

Abstract

This review highlights recent advancements and evidence-based approaches in the critical care management of aneurysmal subarachnoid hemorrhage (aSAH), focusing on developments from the past 18 months. It addresses key challenges [rebleeding prevention, delayed cerebral ischemia (DCI), hydrocephalus, transfusion strategies, and temperature management], emphasizing multidisciplinary care and personalized treatment. Recent studies underscore the importance of systolic blood pressure control (<160 mmHg) to reduce rebleeding risk before aneurysm securing. Novel prognostic tools, including the modified 5-item frailty index and quantitative imaging software, show promise in improving outcome prediction. Prophylactic lumbar drainage may reduce DCI and improve neurological outcomes, while milrinone and computed tomography perfusion-guided therapies are being explored for vasospasm management. Transfusion strategies suggest a hemoglobin threshold of 9 g/dl may optimize outcomes. Temperature management remains contentious, but consensus recommends maintaining normothermia (36.0-37.5 °C) with continuous monitoring. Advances in aSAH care emphasize precision medicine, leveraging technology [e.g. Artificial intelligence (AI), quantitative imaging], and multidisciplinary collaboration. Key unresolved questions warrant multicenter trials to validate optimal blood pressure, transfusion, and temperature targets alongside emerging therapies for DCI.

Topics

Subarachnoid HemorrhageCritical CareJournal ArticleReview

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