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KMID : 1155820210160020141
Neurointervention
2021 Volume.16 No. 2 p.141 ~ p.148
Impact of Intravenous Aspirin Administration on Ventriculostomy-Associated Hemorrhage in Coiled Acute Subarachnoid Hemorrhage Patients
Evans David

Flood Richard
Davies Owain
Wareham James
Mortimer Alex M
Abstract
Purpose: Aspirin has beneficial effects on coiling, even in acute subarachnoid hemorrhage, but there is also a perceived risk of increased bleeding and, importantly, a concern regarding ventriculostomy-associated hemorrhage (VAH) in those with complicating hydrocephalus. We aimed to assess the rate and extent of VAH in patients specifically treated with procedural intravenous aspirin during endovascular coiling of ruptured intracranial aneurysms.

Materials and Methods: This was a single neurovascular center retrospective observational study of consecutive patients treated over a three-year period. The rate of VAH assessed using computed tomography and clinical outcomes were compared in patients receiving intraprocedural intravenous aspirin loading (n=90) versus those that did not receive the drug (n=40).

Results: There was a significantly elevated rate of VAH in patients receiving intravenous aspirin (30% vs. 2.5%, odds ratio 16.7 [95% confidence interval: 2.2?128.0], P<0.0001). The majority of VAH was <10 mm in size (70%) with the largest bleed measuring 20 mm. No hematoma required surgical evacuation. No difference in favorable outcome at discharge was demonstrated. There was no difference in mortality between the 2 groups.

Conclusion: Loading with intravenous aspirin during endovascular treatment of ruptured intracranial aneurysms significantly increases the risk of VAH, but most are small with minimal impact on clinical outcome at discharge. Intravenous aspirin should probably be reserved for selected cases but should not be withheld based on risk of VAH.
KEYWORD
Aneurysm, Aspirin, External ventricular drain, Ventriculostomy, Antiplatelet, Subarachnoid haemorrhage
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