We read with great interest the results of the recent EARLYDRAIN trial.1 In this trial, the authors compare early lumbar cerebrospinal fluid (CSF) drainage to standard of treatment for patients with non-traumatic subarachnoid hemorrhage (SAH) and found that patients who received early lumbar drain (LD) had decreased rates of unfavorable outcomes at 6 months. Hydrocephalus is a common complication of SAH and can lead to vasospasm and cerebral ischemia.2 As shown in the EARLYDRAIN trials, LD may provide an alternative approach to external ventricular drain (EVD) for CSF diversion.1 3

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