Surgical management for lumbar spinal stenosis is not associated to a higher rate of severe complications for patients over 80 years of age. Multivariate analysis showed that heart diseases, history of laminectomy, AA-CCI and accidental durotomies were independent risk factors for SC. Age over 80 did not appear to be a significant risk factor for SC, but minor complications increased. Older patients underwent a more extensive decompression and had more incidental durotomies. Knee-chest position was preferred for younger patients. Patients over 80 were significantly affected by additional comorbidities: hypertension, heart diseases, higher age-adjusted comorbidity Charlson score, ASA score and use of anticoagulants. Nine hundred ninety-six patients undergoing surgery for degenerative LSS were identified. Comorbidities, history of lumbar spine surgery and surgical characteristics were recorded. Minor complications were the secondary endpoint. The primary endpoint was the occurrence of a severe complication (SC). We compared two populations opposing patients aged over 80 with others. We conducted a retrospective study including all LSS surgeries between 20 at the University Hospital of Caen. The aim of this study was to assess whether the postoperative complication rate was higher for elderly patients and to find confounding factors. Although the surgery improves quality of life, the procedure involves anaesthetic and operative risks. Management of lumbar spinal stenosis (LSS) represents the first cause of spinal surgery for the elderly and will increase with the aging population.
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January 2023
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