Background: To evaluate the techniques, efficacy, and safety for treating vascularly inaccessible abdominal visceral pseudoaneurysms by direct puncture and embolization.
Methods: A retrospective study of 5 consecutive patients who underwent percutaneous direct puncture embolization for intra-abdominal pseudoaneurysms in our institution between January 2009 and December 2016. Technical aspects, success, clinical outcome, and complications were discussed.
Results: Four patients (80%) were men, and the mean age of all five patients was 57.2 years (range, 47-72 years). The mean diameter of the pseudoaneurysms was 2.5 cm (range, 1.9-3.4 cm). All the pseudoaneurysms were punctured under the imaging guidance of fluoroscopy, ultrasound, or computed tomography. Coils and glue were used in four of the patients, the remaining one with coil only. The mean injected glue volume was 1.5 (range, 0.8-2) mL. The overall technical and clinical success rate was 100% without major complications or mortality.
Conclusion: Our single-center experience and the literature review demonstrate that percutaneous direct puncture embolization is feasible and effective to serve as an alternative for treating abdominal vascular pseudoaneurysms when the traditional endovascular embolization fails. In this approach, fluoroscopy is the most needed guidance technique.
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