Percutaneous lumbar disc-ectomy for contained herniation of lumbar disc

Objective: To evaluate the influence of lumbar disc herniation type on the curative effect of percutaneous lumbar disc ectomy (PLD). Methods: 158 patients were classified into two groups including contained and discontained herniation according to clinical symptoms and diagnostic images. They were treated by means of the same technique in nonvascular intervention. Their curative effects were compared with each other in this study. Results: The curative and total effective rates were 81.1% and 98.5% respectively in contained group, 7.7% and 38.5% in discontained group without serious complications. The duration of follow up ranged from 3 months to 73 months. Conclusions: PLD is a effective procedure for lumbar disc herniation, which is relatively simple and safe with rapid recovery and without serious complications. It should be confirmed in simple contained herniation only