Comparative Analysis of Stent-Assisted Versus Non-Stent-Assisted Coiling in the Management of Ruptured Intracranial Aneurysms: A Systematic Review and Meta-Analysis

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2024年12月4日

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Yu-Hu Ma,
Yong-Lin He,
Xiao-Yue Zhang,
Rui Shang,
Hai-Tao Hu,
Ting Wang,
Sen Lin,
Ya-Wen Pan,
Chang-Wei Zhang

摘要

Objective

To systematically evaluate the safety and efficacy of SAC compared to non-SAC in the treatment of RIA, integrating evidence from high-quality studies to guide clinical practice.

Methods

A meta-analysis was conducted to compare SAC with coiling alone and BAC in the treatment of RIA. Primary outcomes were immediate and follow-up aneurysm occlusion rates, along with perioperative hemorrhagic and ischemic complication rates.

Results

A total of thirteen retrospective cohort studies were included, comprising 3,086 patients, with 1,078 in the SAC group and 2,008 in the non-SAC group. The immediate complete occlusion rates were similar between the SAC and non-SAC groups (59.1% vs. 61.4%; RR = 1.00; 95% CI [0.94, 1.07]; p = 0.92). However, the SAC group demonstrated a significantly higher long-term complete occlusion rate (61.3% vs. 40.6%; RR = 1.44; 95% CI [1.22, 1.69]; p < 0.001). The incidence of ischemic complications was greater in the SAC group (12.2% vs. 10.0%; RR = 1.68; 95% CI [1.37, 2.07]; p < 0.001), as was the incidence of hemorrhagic complications (7.3% vs. 5.1%; RR = 1.55; 95% CI [1.15, 2.08]; p = 0.004). Perioperative mortality was also elevated in the SAC group (6.7% vs. 6.8%; RR = 1.37; 95% CI [1.00, 1.88]; p = 0.048), with a non-significant trend towards higher long-term mortality (9.8% vs. 9.2%; RR = 1.35; 95% CI [0.98, 1.87]; p = 0.068). Functional outcomes at discharge (76.0% vs. 71.0%; RR = 0.97; 95% CI [0.92, 1.02]; p = 0.237), six months (57.8% vs. 60.8%; RR = 0.93; 95% CI [0.81, 1.07]; p = 0.296), and at the last follow-up (RR = 1.01; 95% CI [0.97, 1.06]; p = 0.592) were comparable between the two groups.

Conclusions

SAC significantly improves long-term occlusion rates for RIA compared to non-SAC, despite a higher incidence of complications. Careful patient selection and optimization of antiplatelet therapy may enhance the safety and efficacy of SAC for RIA treatment.