Purpose: To analyze the selection of endovascular treatment strategies and the efficacy of various locations and types of splenic artery aneurysms (SAAs).
Methods: Sixty-three cases of patients diagnosed with SAA from January 2016 to October 2021 were collected, and their clinical data and follow-up results were analyzed.
Results: Among the 63 patients, 55 had true SAAs, and 8 had false SAAs. The average diameter of the true SAAs was 2.0 ± 0.8 cm. There were 10 cases of intra-aneurysm embolization, 24 cases of intra-aneurysm and aneurysm-bearing artery embolization, 10 cases of bare stent-assisted coil embolization, and 11 cases of stent grafts. The false SAAs had an average diameter of 2.3 ± 1.1 cm. Aneurysm-bearing artery embolization was applied in 5 cases, and stent grafts were applied in 3 cases. The incidence of complications after embolization of the aneurysm-bearing artery was higher (P < 0.01). Postembolization syndrome occurred in 10 patients; 7 patients developed splenic infarction to varying degrees, 1 patient had mildly elevated blood amylase, and 1 patient developed splenic necrosis with abscess formation, all of which improved after active treatment. The average length of hospital stay was 5.5 ± 3.2 days. The average follow-up time was 17.2 ± 16.1 months, and the aneurysm cavity of all patients was completely thrombotic.
Conclusion: Endovascular treatments of SAAs are safe and effective. For various locations and types of SAAs, adequate selection of treatment is necessary. Stent grafts are recommended for their safety, economy, practicality, and preservation of the physiological functions of the human body.
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