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Microendoscopic versus open discectomy for lumbar disc herniation: a prospective randomised study

PURPOSE: To compare the outcomes of microendoscopic discectomy (MED) versus open discectomy for lumbar disc herniation. METHODS: 80 men and 32 women aged 26 to 57 (mean, 37) years with a single-level disc herniation were randomised to undergo MED (n=55) or open (fenestration/laminotomy) discectomy (n=57). Patients were assessed pre- and post-operatively (at week 6, month 6, and year one). The 2 groups were compared with respect to surgical time, anaesthesia time, duration of hospital stay, intra-operative blood loss, weight of disc material removed, and self-evaluated low back pain and functional outcome (using the Oswestry low back pain disability questionnaire). RESULTS: Surgical and anaesthesia times were significantly longer, but blood loss and hospital stay were significantly reduced in patients having MED than open discectomy. The improvement in the Oswestry score in both groups was significant at week one, but not at other follow-ups. The complication rate was similar in both groups. One patient with MED had a recurrence of disc herniation after 7 months and was treated with open discectomy. CONCLUSIONS: Both methods are equally effective in relieving radicular pain. MED entailed shorter hospital stay, less morbidity, and earlier return to work. Nonetheless, it is a demanding technique and should not be attempted without specific instruction and training

Keywords : Adult,Aged,Back Pain,blood,Diskectomy,Endoscopes,Endoscopy,Equipment Design,Female,Follow-Up Studies,Humans,India,instrumentation,Intervertebral Disc Displacement,Laminectomy,Low Back Pain,Lumbar Vertebrae,Male,methods,Microsurgery,Middle Aged,Morbidity,Pain,Patients,physiology,physiopathology,Prospective Studies,Recovery of Function,Recurrence,Spinal Cord,surgery,Time,Treatment Outcome,, Versus,Open,Discectomy,Lumbar, ibs groin pain symptoms

Date of Publication : 2011 Apr

Authors : Garg B;Nagraja UB;Jayaswal A;

Organisation : Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India

Journal of Publication : J Orthop Surg (Hong Kong )

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/21519072

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