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Year : 2020  |  Volume : 15  |  Issue : 2  |  Page : 278-284

The keyhole approach in anterior circulation aneurysm – Current indication and limitation with review of literature

1 Department of Neurosurgery, Shri Balaji Institute of Medical Sciences, Raipur, Chhattisgarh, India
2 Department of Neurosurgery, Banbuntane Hotokukai Hospital, Fujita Health University, Nagoya, Japan
3 Department of Neurosurgery, SMIMS, Gangtok, Sikkim, India

Correspondence Address:
Lavlesh Rathore
Department of Neurosurgery, Shri Balaji Institute of Medical Sciences, Mowa, Raipur - 492 001, Chhattisgarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajns.AJNS_25_19

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Introduction: The keyhole approach has been an emerging technique for cerebral aneurysm surgery in the past two decades. The preoperative simulation and tailored-made approach for each patient make feasible to clip many cerebral aneurysms via keyhole approach. In our study, we reviewed the previous experiences of the keyhole approach, related specifically for anterior circulation aneurysm. Material and Methods: The comprehensive literature review was performed on PubMed, Google Scholar, ScienceDirect, and various neurosurgery and neurology journals. Then, each manuscript's reference list was reviewed for the potential relevant article. The data of total 17 articles, which met our inclusion criteria included for the final review. Results: It was found that the anterior communicating artery, middle cerebral artery, and internal carotid- posterior communicating aneurysms were the most common locations treated by keyhole approach. The size of an aneurysm was <10 mm in most of the studies. Many studies treated multiple aneurysms by single keyhole approach. Conclusion: The keyhole approach has shown benefit in term of satisfactory aneurysmal occlusion rate, short operative time, less blood loss, short hospital stay, and good overall surgical outcome.

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