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  • Title: Introduction of endovascular embolization for intracranial aneurysms in a low-volume institution.
    Author: Lindekleiv HM, Jacobsen EA, Kloster R, Sandell T, Isaksen JG, Romner B, Ingebrigtsen T, Bajic R.
    Journal: Acta Radiol; 2009 Jun; 50(5):555-61. PubMed ID: 19455448.
    Abstract:
    BACKGROUND: Studies indicate a relationship between hospital caseload and health outcomes after both surgical and endovascular repair of intracranial aneurysms. PURPOSE: To evaluate outcomes after introduction of endovascular embolization for intracranial aneurysms in a low-volume regional university hospital. MATERIAL AND METHODS: Retrospective study of 243 consecutive patients treated for 284 intracranial aneurysms with endovascular embolization or surgical clipping from 2000 to 2006 at the University Hospital of North Norway. Postoperative complications were registered. The Glasgow Outcome Scale (GOS) was used for assessment of outcome. RESULTS: The mean annual number of procedures was 39 (microsurgery 23, embolization 16). Seventy-four percent of patients with ruptured aneurysms and all patients with unruptured aneurysms had a favorable outcome (GOS 4 or 5) at 1 year follow-up. Patients with subarachnoid hemorrhage were more likely to experience postoperative complications than patients treated for unruptured aneurysms (42% versus 8% of the patients, P<0.01). The immediate incomplete occlusion rate (Raymond II-III) in the initial embolization procedure was 29%. Ten endovascularly treated patients and one surgically treated patient required retreatments due to residual aneurysm or neck remnants. CONCLUSION: The present study indicates that acceptable outcome from aneurysm treatment, both endovascular and microsurgical, is possible in a low-volume institution.
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