• J Clin Neurosci · Mar 2019

    Comparative Study

    Comparison of Dolenc and pterional approach in the microsurgery for blood blister-like aneurysms (BBAs) of internal carotid artery.

    • Yahui Zhao, Qian Zhang, Dong Zhang, Wang Shuo S Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 6th Tiantanxili, Beijing 100050, China., Yan Zhang, and Yuanli Zhao.
    • Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 6th Tiantanxili, Beijing 100050, China.
    • J Clin Neurosci. 2019 Mar 1; 61: 142-146.

    ObjectivesBlood blister-like aneurysms (BBAs) were considered a great therapeutic challenge with high morbidity and mortality. A variety of microsurgical techniques to treat BBAs had been proposed, but few had investigated the optimal surgical approach toward the exposure of BBAs. In this study, we aimed to compare the advantages and disadvantages of Dolenc and pterional approach in the microsurgery of BBAs.Patients And MethodsWe retrospectively reviewed medical and surgical records of ICA (internal carotid artery) blister-like aneurysms that had been treated by microsurgery at our hospital during 2012 to 2017 and compared postoperative complications and outcomes between Dolenc and pterional approach.ResultsSeventeen BBAs of 16 patients with complete information were identified from our database based on intraoperative findings. All 17 BBAs were treated with direct clipping successfully with no death or re-bleeding occurred. Six patients were performed with Dolenc approach and 10 with pterional approach. No significant difference was found regarding the incidence of intraoperative rupture (42.9% vs 0.0%, P = 0.051) or postoperative complications (ocular complications:33.3% vs 0.0%, P = 0.125; ischemic events: 33.3% vs 10.0%, P = 0.518) between the two groups.ConclusionDolenc approach and pterional approach were both applicable craniotomies for supraclinoid BBAs of ICA. Dolenc approach provided more exposure of ICA trunk, which ensured reliable proximal control but might also bring higher risk of oculomotor paralysis. Choice of approach should be based on the location of BBA and the available form of proximal control.Copyright © 2018 Elsevier Ltd. All rights reserved.

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