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Matsukawa H, Orscelik A, Elawady SS, Sowlat MM, Cunningham CM, Al Kasab S, Uchida K, Yoshimura S, Spiotta AM. Endovascular Coiling of Ruptured Tiny Saccular Intracranial Aneurysms: A Systematic Review and Meta-Analysis. World Neurosurg 2024; 187:e414-e446. [PMID: 38663736 DOI: 10.1016/j.wneu.2024.04.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 05/27/2024]
Abstract
BACKGROUND The safety and efficacy of endovascular coiling of ruptured tiny saccular intracranial aneurysms (IAs) (≤3 mm) remain unknown. METHODS A comprehensive search of PubMed, Embase, Web of Science, and Scorpus databases up to November 15, 2023 was performed. Pooled prevalence was calculated for occlusion rates, recanalization, retreatment, long-term favorable outcome, and procedure-related complications and mortality. Pooled odds ratios were calculated to compare these outcomes between coiling and stent-assisted coiling (SAC). RESULTS Forty-two studies with 2166 ruptured tiny saccular IAs treated with coiling were included. The follow-up complete aneurysm occlusion rate was 83.9% (95% CI: 77.2-88.9%). The rates of recanalization and retreatment were 7.7% (95% CI: 5.7-10.2%) and 5.8% (95% CI: 4.5-7.5%). The range of median Hunt and Hess grades was 1.4-2.9 and the favorable outcome rate was 85.6% (95% CI: 81.1-89.2%). The rates of thromboembolism, intraprocedural rupture, and mortality were 4.6% (95% CI: 3.6-5.8%), 5.4% (95% CI: 4.1-7.0%), and 5.6% (95% CI: 4.4-7.2%), respectively. Comparison of coiling and SAC revealed no significant difference, except for a higher likelihood of follow-up complete aneurysm occlusion in SAC (odds ratio [OR] 0.37, 95% CI: 0.17-0.80) and recanalization in the coiling (OR, 3.21 [95% CI, 1.37-7.51]). CONCLUSIONS Our meta-analysis demonstrates that coiling for ruptured tiny saccular IA is a feasible, effective, and safe approach that is associated with favorable clinical outcomes in both the short and long term for patients with mild to moderate Hunt and Hess grades.
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Affiliation(s)
- Hidetoshi Matsukawa
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA; Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan
| | - Atakan Orscelik
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Sameh Samir Elawady
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Mohammad-Mahdi Sowlat
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Conor M Cunningham
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Sami Al Kasab
- Department of Neurology, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Kazutaka Uchida
- Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan; Department of Clinical Epidemiology, Hyogo Medical University, Nishinomiya, Japan
| | - Shinichi Yoshimura
- Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan
| | - Alejandro M Spiotta
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA.
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Peng F, Feng X, Tong X, Zhang B, Wang L, Guo E, Qi P, Lu J, Wu Z, Wang D, Liu A. Endovascular Treatment of Small Ruptured Intracranial Aneurysms (<5 mm) : Long-term Clinical and Angiographic Outcomes and Related Predictors. Clin Neuroradiol 2019; 30:817-826. [PMID: 31696281 PMCID: PMC7728636 DOI: 10.1007/s00062-019-00835-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 08/23/2019] [Indexed: 11/28/2022]
Abstract
Purpose To investigate the long-term clinical and angiographic outcomes and their related predictors in endovascular treatment (EVT) of small (<5 mm) ruptured intracranial aneurysms (SRA). Methods The study retrospectively reviewed patients with SRAs who underwent EVT between September 2011 and December 2016 in two Chinese stroke centers. Medical charts and telephone call follow-up were used to identify the overall unfavorable clinical outcomes (OUCO, modified Rankin score ≤2) and any recanalization or retreatment. The independent predictors of OUCO and recanalization were studied using univariate and multivariate analyses. Multivariate Cox proportional hazards models were used to identify the predictors of retreatment. Results In this study 272 SRAs were included with a median follow-up period of 5.0 years (interquartile range 3.5–6.5 years) and 231 patients with over 1171 aneurysm-years were contacted. Among these, OUCO, recanalization, and retreatment occurred in 20 (7.4%), 24 (12.8%), and 11 (7.1%) patients, respectively. Aneurysms accompanied by parent vessel stenosis (AAPVS), high Hunt-Hess grade, high Fisher grade, and intraoperative thrombogenesis in the parent artery (ITPA) were the independent predictors of OUCO. A wide neck was found to be a predictor of recanalization. The 11 retreatments included 1 case of surgical clipping, 6 cases of coiling, and 4 cases of stent-assisted coiling. A wide neck and AAPVS were the related predictors. Conclusion The present study demonstrated relatively favorable clinical and angiographic outcomes in EVT of SRAs in long-term follow-up of up to 5 years. THE AAPVS, as a morphological indicator of the parent artery for both OUCO and retreatment, needs further validation.
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Affiliation(s)
- Fei Peng
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China.,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China
| | - Xin Feng
- Department of Neurosurgery, Beijing Hospital, National Center of Gerontology, No. 1 DaHua Road, Dong Dan, 100730, Beijing, China.,Graduate School of Peking Union Medical College, No. 9 Dongdansantiao, Dongcheng District, 100730, Beijing, China
| | - Xin Tong
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China.,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China
| | - Baorui Zhang
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China.,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China
| | - Luyao Wang
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China.,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China
| | - Erkang Guo
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China.,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China
| | - Peng Qi
- Department of Neurosurgery, Beijing Hospital, National Center of Gerontology, No. 1 DaHua Road, Dong Dan, 100730, Beijing, China
| | - Jun Lu
- Department of Neurosurgery, Beijing Hospital, National Center of Gerontology, No. 1 DaHua Road, Dong Dan, 100730, Beijing, China
| | - Zhongxue Wu
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China.,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China
| | - Daming Wang
- Department of Neurosurgery, Beijing Hospital, National Center of Gerontology, No. 1 DaHua Road, Dong Dan, 100730, Beijing, China. .,Graduate School of Peking Union Medical College, No. 9 Dongdansantiao, Dongcheng District, 100730, Beijing, China.
| | - Aihua Liu
- Beijing Neurosurgical Institute, Capital Medical University, 100070, Beijing, China. .,Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China. .,China National Clinical Research Center for Neurological Diseases, No. 119, South 4th Ring West Road, Fengtai District, 100070, Beijing, China.
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