Comparison of Transthecal Approach With Traditional Conservative Approach for Primary Closure After Incidental Durotomy in Anterior Lumbar Tear

A stacked bar chart that illustrates the number of patients on the x axis and underlying causes for the dural tears on the y axis in each of 2 surgical procedure groups. Abbreviation: ADTs, anterior dural tears. *The result from the χ² test. Descriptions: Underlying causes for the anterior dural tears after laminectomy due to discopathy and spinal canal stenosis were as follows: (1) Anterior dural adhesion to the extruded disc, and (2) anterior dural adhesion to the posterior longitudinal ligament, which resulted in anterior dural tear during lumbar canal decompression. Underlying cause for the anterior dural tears after vertebral fracture was the damage to the ventral thecal sac due to the fractured bone of the vertebral body.