Elective Treatment of Additional and Recurrent Aneurysms in Patients with a Previous Subarachnoid Hemorrhage: A Single-Center Analysis of Complications and Clinical Outcome

World Neurosurgery
Lukas GoertzBoris Krischek

Abstract

Subarachnoid hemorrhage (SAH) can be associated with a degree of resulting brain damage and subsequent reorganization of the central nervous system. The aim of this study was to evaluate complication rates and clinical outcome in patients with a previous SAH who were treated for a recurrent or an additional, initially unruptured aneurysm. A retrospective single-center study was conducted for patients who underwent elective treatment by surgical or endovascular means between 2010 and 2018. We compared patients with a previous SAH and without history of SAH in terms of complication rates and functional outcomes (modified Rankin Scale [mRS]). The study population consisted of 337 patients (non-SAH, 270; SAH, 67) who underwent 390 elective procedures for treatment of 443 aneurysms. Procedure-related complications occurred in 13.5% of patients with a previous SAH and in 13.3% of patients without SAH (P = 1.0). At the 6-month follow-up, the morbidity (defined as any increase on the mRS) was comparable between the SAH group (6.7%) and the non-SAH group (7.6%; P = 0.5). Overall favorable outcome (mRS score ≤2) was achieved by 96.6% in the SAH group and 97.3% in the non-SAH group (P = 1.0). Also, in patients with a previous SAH, the cho...Continue Reading

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