Time vs. Success Rate for Epidural Blood Patch
Headache is a frequent complication of dural puncture, particularly with a large-bore needle.1'2 Epidural blood patching is a well-accepted therapeutic modality for dural puncture headache3; it seemed reasonable that the sooner done, the shorter would be the duration of the headache. We had noticed an unusually high failure rate of epidural blood patching done shortly after dural puncture. Therefore, the following study was undertaken.