The Post-Pipeline Headache: New Headaches Following Flow Diversion for Intracranial Aneurysm.

Objective: Flow diversion using devices such as the "pipeline" stent is now a common treatment for unruptured intracranial aneurysms. Though much is known about the efficacy of the device, less is reported regarding potential side effects. In this study, we report the frequency and characteristics of the "post-pipeline headache.