• J Orthop Surg (Hong Kong) · Dec 2001

    Interlaminar discectomy and selective foraminotomy in lumbar disc herniation.

    • Manish Garg and Sudhir Kumar.
    • Department of Orthopaedics, BP Koirala Institute of Health Sciences, Dharan, Nepal.
    • J Orthop Surg (Hong Kong). 2001 Dec 1; 9 (2): 15-18.

    AbstractOur objective was to assess the clinical outcome of interlaminar discectomy in patients suffering with degenerated lumbar disc lesions. We made a prospective study of 50 consecutive patients who underwent limited lumbar discectomy. The clinico-radiological parameters, type of surgery performed and the post-operative follow up were assessed. We found that interlaminar discectomy without laminotomy was adequate in 33 cases (66%). Most patients requiring laminotomy (17 cases -34%) for discectomy had associated lumbar canal stenosis, herniation at proximal levels (L3-4) and/or sacralization of L5 vertebra. Selective foraminotomy in addition to discectomy was performed in 28 cases (56%). The post-operative results were good in 43 (86%fair in 6 (12%) and poor subjective in 1 case (2%). No patient was classified as poor objective. In conclusion, interlaminar discectomy without laminotomy is a safe, effective and reliable surgical technique for treating properly selected patients with herniated lumbar disc at L4-5 and L5-S1 levels.

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