Conclusion
aneurysmal subarachnoid hemorrhage, lumbar cerebrospinal fluid, infarction
INFARCTION
In patients with aneurysmal subarachnoid hemorrhage, prophylactic lumbar cerebrospinal fluid drainage is warranted to lessen the burden of infarction at discharge and reduce the rate of unfavorable outcome at 6 months. Our findings support the use of a lumbar drain additional to standard of care.