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. 2023 May;101(6):1161-1165.
doi: 10.1002/ccd.30634. Epub 2023 Mar 15.

Effectiveness of the vacuum assisted aspiration AngioVac system in the removal of intravascular masses

Austin Nickell  1 , Orlin Sergev  1 , Neville Alberto  1   2 , Dinesh Bande  1   2 , Dubert M Guerrero  1   2
Affiliations

Effectiveness of the vacuum assisted aspiration AngioVac system in the removal of intravascular masses

Austin Nickell et al. Catheter Cardiovasc Interv. 2023 May.

Abstract

Background: Invasive procedures used to manage intravascular masses such as vegetation from endocarditis, deep vein thrombosis, and septic emboli are associated with high rates of complications and mortality, especially in patients with several pre-existing comorbidities. A minimally invasive technique that has become more popular in recent years is the AngioVac procedure. This single-centered, retrospective study focuses on patient presenting comorbidities and indications for the procedure as well as postprocedural outcomes.

Methods: A total of 33 patients who underwent an AngioVac procedure at Sanford Health between March 2014 and October 2019 was reviewed. Data were collected on pre-existing comorbidities, indication of procedure, length of stay, and postoperative outcomes.

Results: We evaluated a total of 33 patients who underwent an AngioVac procedure for removal of intravascular mass. The most common indications for the procedure were endocarditis (24/33, 73%); intracardiac mass (5/33, 15%); and deep vein thrombosis or pulmonary embolism (2/33, 6%). Post-procedural blood transfusion was required in nearly half (15/33, 45%). Almost all patients (31/33, 94%) required intraoperative vasopressor use. Nearly all patients (32/33, 97%) were directed to the intensive care unit following the procedure with an average length of stay of 8 days (interquartile range: 3-13). Most common complications seen after the procedure were shock requiring vasopressors, (13/33, 39%), pleural effusion (9/33, 27%), and sepsis (4/33, 12%). Procedural success in this single-centered experience was 85% (28/33), which was defined as size reduction of the initial vegetation by >50% in the absence of severe intraoperative complications and absence of need for further valvular surgical intervention.

Conclusion: For surgically high-risk patients, the AngioVac procedure may offer a less invasive option in the management of right sided endocarditis requiring vegetation debulking, intravascular thrombi or cardiac masses.

Keywords: AngioVac; endocarditis; thrombectomy; thrombus aspiration; vascular mass.

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