December 9, 2025

Podcast: CSF Filtration After Subarachnoid Hemorrhage

December 9, 2025

In this NCS Podcast Hot Topics episode, host Richard Choi, DO, FNCS, discusses groundbreaking research on cerebrospinal fluid (CSF) filtration after aneurysmal subarachnoid hemorrhage with Katharina Busl, MD, MS, FNCS, division chief of neurocritical care at the University of Florida.

The episode explores the PILLAR XT Trial, which evaluates a dual-lumen intrathecal catheter designed to filter CSF and remove red blood cells and inflammatory byproducts more effectively. Drs. Busl and Choi examine the rationale behind CSF drainage, how prior research shaped this work, and what early results reveal about feasibility, safety, and clinical outcomes.
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Tune in to learn how this innovative approach could transform care for subarachnoid hemorrhage patients and what barriers remain before broader clinical adoption.

Pharaoh Neuro, Inc. is a Minneapolis-based medical device company developing novel technologies that give physicians and the patients they treat improved options during the most critical moments in neurointerventional care. The company combines decades of medical device and neurosurgical expertise with an aspiration to protect the brain.

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