Posterior Communicating Artery Aneurysm–Related Oculomotor Nerve Palsy: Influence of Surgical and Endovascular Treatment on Recovery: Single-Center Series and Systematic Review

Author:

Güresir Erdem1,Schuss Patrick1,Setzer Matthias1,Platz Johannes1,Seifert Volker1,Vatter Hartmut1

Affiliation:

1. Department of Neurosurgery, Johann Wolfgang Goethe-University, Frankfurt am Main, Germany

Abstract

Abstract BACKGROUND: Compression of the third nerve resulting in oculomotor nerve palsy (ONP) is a common initial symptom and in some cases the only neurological deficit in patients with posterior communicating artery (PcomA) aneurysms. OBJECTIVE: To analyze the resolution of ONP after surgical or endovascular treatment in comparison with its spontaneous course. METHODS: Between June 1999 and April 2008, 5 of 914 consecutive patients with ruptured and 10 of 344 with unruptured intracranial aneurysms causing ONP were treated at our institution. ONP was recorded at admission and at follow-up. The electronic database MEDLINE was searched for published studies of PcomA aneurysm-caused ONP. Two reviewers independently extracted data. RESULTS: Overall, 26 studies and 15 patients of the current series totaling 201 PComA aneurysms met the inclusion criteria. A total of 132 patients underwent surgical clipping, 54 patients were treated endovascularly, and 15 patients remained untreated. Surgical treatment was associated with a significantly higher rate of complete ONP resolution (55% vs 32%; P = .006; odds ratio [OR], 2.6; 95% confidence interval [CI], 1.3-5.1) and ONP resolution of any degree (92% vs 74%; P = .001; OR, 4.3; 95% CI, 1.8-10.4) compared with endovascularly treated patients. In the multivariate analyses, surgical clipping was significantly associated with ONP resolution of any degree (P < .0001; OR, 12.2; 95% CI, 3–49) and of complete resolution (P = .006; OR, 7.1; 95% CI, 1.8–28). CONCLUSION: The present data indicate that ONP caused by PComA aneurysms resolves in a significantly higher portion of patients after surgical treatment compared with endovascular coiling and the spontaneous course.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Clinical Neurology,Surgery

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