Study of Percutaneous Discectomy for Bilevel Lumbar Disc Herniation.

概要

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Percutaneous discectomy has been advocated as an alternative to conventional surgery for the treatment of lumbar disc herniation. The purpose of this study is to assess the clinical results in patients operated for bilevel lumbar disc herniation. The subjects were 261 patients who had percutaneous discectomy since April in 1989. Fifty-one patients had multiple disc herniations and in them, 12 cases who had radiculopathy due to two disc lesions were operated for both lesions. They consisted of eight males and four females aged 17-40 years (mean, 26.3 years) and were followed up for 8-20 months (mean, 14 months) after operation. The intervertebral levels involved were L1-2 and L2-3 in one, L3-4 and L4-5 in three, L4-5 and L5-S1 in eight. Five patients had two levels done simultaneously and seven patients underwent additional operation. The postoperative results were evaluated according to Macnab's criteria. The results were excellent in seven, good in four and poor in one. Percutaneous discectomy seems to be an excellent procedure for treating two disc levels.
西日本整形・災害外科学会の論文