Dose preservation of ligament flavum really help prevent postoperative epidural fibrosis and improve outcome in microdiscectomy?

Objective: A prospective, randomized, controlled clinical study was conducted with surgery performed by the same surgeon. The aim was to present a new technique for preserving the ligament flavum during lumbar microdiscectomy, and to evaluate whether this helps prevent postoperative fibrosis and improve outcome.

Methods: From January to December 2017, 251 patients with indication for microdiscectomy were randomly divided into test group using ligament flavum preservation technique and control group using conventional procedures.