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Comparative analysis of the postoperative effectiveness of different splenic artery aneurysm embolization techniques
Biao Wu1, Liang Chen1, Xiaonan Wang1
1Department of Vascular Surgery, Changhai Hospital, Shanghai, China.
Purpose:
The aim of this study was to compare the postoperative effectiveness of different embolization techniques for splenic artery aneurysms(SAAs), i.e., sandwich technique and mushroom technique, by analyzing data from our single center.
Materials And Methods:
Between January 2019 and December 2023, a total of 220 patients with SAAs underwent embolization (sandwich technique n = 102, mushroom technique n = 118). Outcomes assessed included technical success, procedure time, length of hospital stay, total hospital costs, 30-day mortality, incidence of post-embolization syndrome(PES), splenic infarction rate, and aneurysm recanalization rate. Univariate and multivariate analyses were used to identify risk factors for PES in patients with splenic artery aneurysms after surgery. Normograms were used to predict the likelihood of developing PES after surgery.
Results:
The technical success rate of both embolization techniques was 100%, and the 30-day mortality, splenic infarction rate, and aneurysm recanalization rate were all 0. However, the mushroom technique was associated with less procedure time, length of hospital stay, total hospitalization costs, and incidence of PES than the sandwich technique. Univariate and multivariate analyses showed that the number of aneurysms as well as the embolization method were independent risk factors for PES.
Conclusion:
The mushroom technique achieves the same favorable short-term prognosis of the sandwich technique and results in a relative reduction in operative time, length of hospital stay, total hospital costs, and incidence of PES.
