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O3171 A COMPARISON OF EARLY EXPERIENCE OF MICRO ENDOSCOPIC DISCECTOMY TO STANDARD MICRO SURGICAL DISCECTOMY



Abstract

Aims: The aim of this study was to compare the results of Micro Endoscopic Discectomy (MED) toMicro Surgical Discectomy (MSD). Methods: 12 Patients were reviewed by an independent observer. This included the þrst 6 patients who underwent MED and 6 patients who underwent MSD selected randomly. There was no signiþcant difference between the two groups concerning age and sex distribution, occupation, preoper-ative time of work and clinical symptomatology. The disc herniations were located at L4-5 in 6 patients and L5-S1 in 6 patients. Patients were followed up for an average of 9 months (Range 2–22 months). They were assessed using the following questionnaires Oswestry low back pain and disability, Modiþed Gre-enough and Fraser and Mc Nab. Results: Both groups faired equally according to Mc Nab. The MED group appeared to require less postoperative analgesia especially opioid based preparations and were discharged earlier. The only complication was one patient in the MED requiring conversion to MSD. Conclusion: Our results indicate that MED is at least as effective as MSD, although it initially takes longer to perform due to the learning curve. However, the decrease in postoperative analgesia requirements and earlier discharge is beneþcial. In addition, we feel it has advantages over the percutaneous posterolateral discectomy for nerve root compression, which cannot treat sequestrated discs, or patients with disc herniations associated with recess stenosis.

Theses abstracts were prepared by Professor Dr. Frantz Langlais. Correspondence should be addressed to him at EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.