Recovery of posterior communicating artery aneurysm induced oculomotor nerve palsy: a comparison between surgical clippi
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RESEARCH ARTICLE
Open Access
Recovery of posterior communicating artery aneurysm induced oculomotor nerve palsy: a comparison between surgical clipping and endovascular embolization Li-qiang Tian1 and Qing-xi Fu2*
Abstract Background: Oculomotor nerve palsy (ONP) is a common symptom of posterior communicating artery aneurysm (PcomAA) that can lead to impaired eye movement and pupil dilation. Currently, surgical clipping and endovascular embolization are the two most popular treatment methods for PcomAA-induced ONP; however, the recovery outcome between the two methods remains to be elucidated. Methods: In the present study, we thoroughly compared the pretreatment factors and recovery outcome of the two treatments on 70 patients with PcomAA-induced ONP. The patients were separated into two groups based on the treatment that was received. Pretreatment factors, including age, sex, time period between ONP onset and treatment, ONP type, aneurysm diameter, status of subarachnoid hemorrhage and aneurysm rupture were recorded for each individual patient. Recovery outcome of the patients was assessed over a 12-month period. Results: No significant differences were observed in any of the analyzed factors. Importantly, we revealed a significantly higher full recovery rate for the patients receiving the surgical clipping treatment than the ones that received the endovascular embolization treatment. In addition, we showed that patients’ age was negatively correlated with the recovery extent in both treatment groups. Conclusions: The outcome of our study suggests that surgical clipping might be a better option to treat PcomAAinduced ONP. Keywords: Aneurysm, Nerve palsy, Surgical clipping, Endovascular embolization Patients receiving the surgical clipping treatment
Highlights A total of 70 PcomAA-induced ONP patients were
treated with either the surgical clipping or the endovascular embolization method. Baseline status of the patients was comparable between the two treatment groups. * Correspondence: [email protected] 2 Department of Neurology, Linyi People’s Hospital, Linyi 276003, Shandong Province, China Full list of author information is available at the end of the article
achieved a significantly higher full recovery rate compared to the endovascular embolization treatment. Age might be a prognostic factor for PcomAAinduced ONP full recovery
Background Posterior communicating artery (PcomA) is part of the circle of Willis that supplies blood to the brain and surrounding tissues, including floor of third ventricle, optic
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