Purpose: To present a selected series of extensively occlusive thrombosis of arteriovenous graft treated with the Penumbra’s Indigo System. Materials and Methods: Ten patients with acute (within 72 h) extensively occlusive thrombosis of arteriovenous graft (mean extension = 30.1 (range = 15–45) cm) were treated at our institution with the Indigo System. Of the 10 cases, thrombosis was extended to venous outflow in 7 cases and to both arterial inflow and venous outflow in 3 cases. Results: Both anatomic and clinical success were achieved in 8 of the 10 procedures (80.0%). In the 2 cases of technical failure, the patients underwent surgical thrombectomy with the finding of arteriovenous graft exhaustion, which was then replaced. The 6-month primary patency, primary-assisted patency, and secondary patency rates were 37.5% (3/8), 50.0% (4/8), and 62.5% (5/8). We reported 2 complications (one minor and one major adverse event). Conclusion: Percutaneous mechanical thrombectomy aspiration with Indigo System is a relatively safe and effective procedure and can be used even in extensively thrombosed arteriovenous graft.

Vacuum-assisted mechanical thrombectomy in extensively occlusive thrombosis of dialysis arteriovenous grafts with indigo system

Piacentino F.
Primo
Writing – Review & Editing
;
Coppola A.;Zaghetto A.;De Marchi G.;Ossola C.;Zorzetto G.;Beneventi A.;Casamassima N.;Tagliaferri C.;Tozzi M.
Conceptualization
;
Piffaretti G.
Formal Analysis
;
Fontana F.
Writing – Review & Editing
;
Genovese E. A.
2020

Abstract

Purpose: To present a selected series of extensively occlusive thrombosis of arteriovenous graft treated with the Penumbra’s Indigo System. Materials and Methods: Ten patients with acute (within 72 h) extensively occlusive thrombosis of arteriovenous graft (mean extension = 30.1 (range = 15–45) cm) were treated at our institution with the Indigo System. Of the 10 cases, thrombosis was extended to venous outflow in 7 cases and to both arterial inflow and venous outflow in 3 cases. Results: Both anatomic and clinical success were achieved in 8 of the 10 procedures (80.0%). In the 2 cases of technical failure, the patients underwent surgical thrombectomy with the finding of arteriovenous graft exhaustion, which was then replaced. The 6-month primary patency, primary-assisted patency, and secondary patency rates were 37.5% (3/8), 50.0% (4/8), and 62.5% (5/8). We reported 2 complications (one minor and one major adverse event). Conclusion: Percutaneous mechanical thrombectomy aspiration with Indigo System is a relatively safe and effective procedure and can be used even in extensively thrombosed arteriovenous graft.
biomaterials; dialysis access; interventional radiology; new devices; Prosthetic grafts; techniques and procedures
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11383/2094701
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