Aspiration mechanical thrombectomy for treatment of acute iliofemoral and central deep venous thrombosis

Abstract

We describe our experience with the Indigo CATTM aspiration mechanical thrombectomy (AMT) system in 20 patients. A modification of the AMT technique was done in 7 patients (35%) whereby a snare was used instead of a separator. Technical success by intravascular ultrasound (IVUS) was noted in 8 patients (40%) while symptom improvement was noted in all patients prior to discharge. In 4 patients (20%), occlusion was noted on first post-operative day ultrasound; remainder demonstrated venous patency. Snare use was associated with higher technical success (85.7% versus 15.4%, p = 0.004) and less procedural blood loss (235 ± 40 cc versus 300 ± 55 cc, p = 0.04) compared to the separator.

Keywords

• IVUS
• Intravascular ultrasound
• Acute deep venous thrombosis
• Aspiration mechanical thrombectomy
• Snare