Outcome of Incidental Unrepaired Dural Tear during Lumbar Spine Surgery: Comparisons of Subfacial Drain with or without SubarachnoidDrain

Outcome of Incidental Unrepaired Dural Tear during Lumbar Spine Surgery: Comparisons of Subfacial Drain with or without Subarachnoid Drain To review the incidence of Incidental Dural tear (IDT) and compare the result of Subfacial drain with and without subarachnoid drain in cases of I DT which were not repaired during lumbar spinal surgery.