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. 2024 Mar 7;47(1):103.
doi: 10.1007/s10143-024-02338-8.

Treatment strategies for saccular anterior inferior cerebellar artery aneurysms: a systematic review

Amr Badary  1 , Khadeja Alrefaie  2 , Sura N Alrubaye  3 , Zahraa I Al-Anssari  4 , Noran O Mahmood  5 , Assma Dwebi  6 , Yasser F Almealawy  7 , Bipin Chaurasia  8 , Alan Hernández-Hernández  9 , Oday Atallah  10
Affiliations

Treatment strategies for saccular anterior inferior cerebellar artery aneurysms: a systematic review

Amr Badary et al. Neurosurg Rev. .

Erratum in

Abstract

Introduction: The anterior inferior cerebellar artery (AICA) plays a crucial role in cerebellar blood supply, and AICA aneurysms are relatively rare, comprising less than 1-1.5% of all brain aneurysms. Understanding their clinical scenarios, management approaches, and outcomes is essential. This systematic review analyzes data from 86 studies to comprehensively explore AICA aneurysms.

Materials and methods: The process of obtaining relevant research, which includes patients with AICA aneurysms, was carried out using the PubMed, Web of Science, and Scopus databases. This review exclusively included extensive papers written in English. The search included the MeSH phrases "Anterior inferior cerebellar artery aneurysm" and "AICA aneurysm." Microsurgical and endovascular treatments were compared using statistical analysis, exploring demographics, risk factors, treatment modalities, and clinical outcomes.

Results: The review includes 85 case reports and one retrospective study, totaling 140 patients. The study reveals a diverse patient profile with a slight female predominance (65%), a mean age of 50.7 years, and an 82.86% prevalence of no identified risk factors. Ruptured aneurysms accounted for 55%, with microsurgery and endovascular procedures accounting for 70.71% and 27.86%, respectively. The mortality rate was 2.86%, and no significant differences were found in rebleed, recurrence, or mortality rates between treatment groups.

Conclusion: Microsurgical and endovascular interventions demonstrate comparable effectiveness, with microsurgery showing superiority in specific situations. Therefore, tailoring treatment is crucial to individual patient needs. Subgroup analyses highlight demographic-specific trends, guiding clinicians in managing this rare pathology.

Keywords: AICA; Aneurysm; Anterior inferior cerebellar artery; Basilar artery.

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References

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