Surgery for unruptured intracranial aneurysms in a low-volume neurosurgical unit |
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Authors: | Horn M Morgan M K Ingebrigtsen T |
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Institution: | 1. Department of Neurosurgery, University Hospital of North Norway, Tromsø, Norway;2. Department of Surgery, The University of Sydney, Northern Clinical School, St Leonards, Sydney, Australia |
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Abstract: | OBJECTIVES: To evaluate outcomes after surgical treatment for unruptured intracranial aneurysms in a low-volume neurosurgical unit. MATERIAL AND METHODS: Consecutive patients operated during the years 1988-98 at the Department of Neurosurgery, University Hospital of North Norway, were studied retrospectively. Procedure-related complications were registered. The modified Rankin Scale and the Glasgow Outcome Scale, Extended version (GOS-E), were used for assessment of outcome. RESULTS: Thirty-six aneurysms were repaired in 32 patients during 34 surgical procedures. Surgery-related central nervous system complications occurred in eight (25%) patients. The complication rate was 35% for the first 17 procedures, and 12% for the last 17. The latter group of procedures were performed during a period of 3 years, whereas the former group was spread over a period of 8 years. A favourable outcome (GOS-E score 6-8) was reached in 27 (84%) patients. CONCLUSION: Decision-making in patients with unruptured intracranial aneurysms must be based on knowledge about institution-specific complication rates, preferably followed on a prospective basis. |
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Keywords: | unruptured aneurysm cerebral aneurysm surgical treatment outcome |
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