Figure. Schematic Flowchart of Patient Selection.

Type of cerebrospinal fluid (CSF) leak based on previously published classification of spontaneous spinal CSF leaks.⁶ CSMC indicates Cedars-Sinai Medical Center; CTM, post-myelography computed tomography; EBP, epidural blood patch; FGI, fibrin glue injection; MRM, spine magnetic resonance imaging with heavily T2-weighted magnetic resonance myelography; SIH, spontaneous intracranial hypotension.

^aSIH diagnosed using modified International Classification of Headache Disorders, third edition criteria.⁵