Abstract
Purpose
Demonstrate the role of endovascular management in the treatment of internal mammary artery (IMA) injuries using transcatheter embolization reviewing our 7-year experience.
Materials and methods
Our retrospective analysis of cases consists of a total of 12 patients (8 M and 4 F; mean age 52 years) who underwent angiographic studies and transcatheter embolization for IMA injuries. Causes of vascular injury were divided in high-energy trauma (n = 6), iatrogenic (n = 3) and penetrating injuries (n = 3). Type of trauma, associated injury, imaging findings, treatments and complications were assessed. Imaging findings included active haemorrhage, pseudoaneurysm and focal dissection.
Results
Embolization was performed with microcoils in all patients; complete thrombosis was obtained in four patients by additional injection of Spongostan pledgets and in two patients with 300–500 μm particles. The technical success rate was 100%. No patient died as a direct result of vascular injury; one died of myocardial contusion and one for severe multiorgan failure related to high-energy trauma. No major and minor complications were registered. No patient required emergency surgery or subsequent surgical treatment.
Conclusion
Transcatheter embolization offers an effective, efficient and safe alternative to conventional surgical management of IMA injuries.
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