Endovascular embolization for the treatment of epistaxis: Systematic review and meta-analysis

Abstract

Background

Endovascular embolization (EE) is a treatment option for epistaxis refractory to first-line interventions. Data regarding embolization is limited to small case series and a meta-analysis has not been performed.

Methods

PubMed, Scopus, and EMBASE were used to identify studies that reported outcomes for at least 10 patients undergoing EE for epistaxis. Outcomes included procedural success, rebleeding, and complications. Pooled rates for each outcome were obtained with random effects models.

Results

A total of 44 studies comprising 1664 patients met the inclusion criteria. The mean age ranged from 28.1 to 67 years and there were 28.4% females. The pooled procedural success rate was 87% (95% CI 83.9–89.6, I² = 53%). Age (OR 0.95, 95% CI 0.91–1) and hereditary hemorrhagic telangiectasia ([HHT], OR 0.97, 95% CI 0.96–0.99) were associated with decreased odds of success. The pooled rebleeding rate was 16.4% (95% CI 13.6–19.6, I² = 48%), and HHT was associated with greater odds of rebleeding (OR 1.02, 95% CI 1–1.03). The pooled overall complication rate was 14.4% (95% CI 9.8–20.6, I² = 85.8%). The pooled rates of stroke and vision loss were 2.1% (95% CI 1.5–3.1, I² = 1.5%) and 1.8% (95% CI 1.2–2.6, I² = 0%), respectively.

Conclusion

EE for epistaxis has a high rate of procedural success. Interventionalists should be aware of the risk for rebleeding, especially among patients with HHT.

Keywords

Epistaxis therapeutic embolization endovascular procedures

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