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Adverse events associated with microsurgial treatment for ruptured intracerebral aneurysms: A prospective nationwide study on subarachnoid haemorrhage in Sweden
Department of Clinical Sciences, Neurosurgery, Lund University, Lund, Sweden.
Department of Clinical Sciences, Neurosurgery, Lund University, Lund, Sweden.
Department of Medical Sciences, Neurosurgery, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Neurosurgery, Uppsala University, Uppsala, Sweden.
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2023 (Engelska)Ingår i: Journal of Neurology, Neurosurgery and Psychiatry, ISSN 0022-3050, E-ISSN 1468-330X, Vol. 94, nr 7, s. 575-580Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: Adverse events (AEs) or complications may arise secondary to the treatment of aneurysmal subarachnoid haemorrhage (SAH). The aim of this study was to identify AEs associated with microsurgical occlusion of ruptured aneurysms, as well as to analyse their risk factors and impact on functional outcome.

Methods: Patients with aneurysmal SAH admitted to the neurosurgical centres in Sweden were prospectively registered during a 3.5-year period (2014-2018). AEs were categorised as intraoperative or postoperative. A range of variables from patient history and SAH characteristics were explored as potential risk factors for an AE. Functional outcome was assessed approximately 1 year after the bleeding using the extended Glasgow Outcome Scale.

Results: In total, 1037 patients were treated for ruptured aneurysms, of which, 322 patients were treated with microsurgery. There were 105 surgical AEs in 97 patients (30%); 94 were intraoperative AEs in 79 patients (25%). Aneurysm rerupture occurred in 43 patients (13%), temporary occlusion of the parent artery >5 min in 26 patients (8%) and adjacent vessel injury in 25 patients (8%). High Fisher grade and brain oedema on CT were related to increased risk of AEs. At follow-up, 38% of patients had unfavourable outcome. Patients suffering AEs were more likely to have unfavourable outcome (OR 2.3, 95% CI 1.10 to 4.69).

Conclusion: Intraoperative AEs occurred in 25% of patients treated with microsurgery for ruptured intracerebral aneurysm in this nationwide survey. Although most operated patients had favourable outcome, AEs were associated with increased risk of unfavourable outcome.

Ort, förlag, år, upplaga, sidor
BMJ Publishing Group Ltd, 2023. Vol. 94, nr 7, s. 575-580
Nyckelord [en]
Cerebrovascular Disease, Neurosurgery, Subarachnoid Haemorrhage
Nationell ämneskategori
Neurologi Kirurgi
Identifikatorer
URN: urn:nbn:se:umu:diva-206884DOI: 10.1136/jnnp-2022-330982ISI: 000953649500001PubMedID: 36931713Scopus ID: 2-s2.0-85152203562OAI: oai:DiVA.org:umu-206884DiVA, id: diva2:1751997
Tillgänglig från: 2023-04-20 Skapad: 2023-04-20 Senast uppdaterad: 2023-06-19Bibliografiskt granskad

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Lindvall, PeterAineskog, Helena

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