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Wednesday, January 20, 2016

Predisposing factors for rebleeding after Aneurysmal SAH


🔹Large volume of blood in the subarachnoid space from the initial SAH

🔹Poor neurologic status owing to the devastation caused by the initial SAH

🔹Short interval from the initial hemorrhage

🔹Female gender: women rebleed twice as frequently as men

🔹Older age and poor general medical condition

🔹Systemic hypertension: the risk of rebleeding is directly related to the patient's systolic blood pressure

🔹Multiple previous episodes of rebleeding that increase the likelihood of subsequent rupture and death

🔹Presence of either an intracerebral or intraventricular hematoma

🔹Abnormal clotting parameters

🔹Posterior circulation aneurysms

Ref: Philippa Newfield, Audrée A. Bendo, Handbook of Neuroanesthesia, 4th Edition, 2007 Lippincott Williams & Wilkins


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