Outcomes and survival of patients undergoing percutaneous vegetectomy for right heart endocarditis

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Int J Cardiol Heart Vasc


BACKGROUNDS: AngioVac is used for the percutaneous removal of vegetations and for debulking of large vegetations in patients who are not surgical candidates.This study aims to identify the demographics, echocardiographic features, indications, improvement of the tricuspid valve regurgitation, and survival outcomes of patients who have undergone AngioVac vegetectomy reported in the literature.

METHODS: A systematic review was performed to identify articles reporting suction thromectomy or vegetation removal using the AngioVac system for RSIE (right sided infective endocarditis). Survival on discharge was our primary outcome. Additionally, we evaluated indications for suction thrombectomy and TR improvement. Categorical variables were expressed as percentages and ratios.

RESULTS: A total of 49 studies were identified. The most common risk factor was intravenous drug abuse seen in 45% (20/49) and cardiovascular implantable electronic device (CIED) in 45% (20/49). Circulatory shock was seen in 35% of patients. The causative organism was gram positive cocci (86%). Moderate to severe TR was present in 74% of cases with documented echocardiograms. Indications for AngioVac were poor surgical candidacy (81%) or to reduce septic emboli risk (19%). Survival at discharge was 93%. TR improvement was reported only in 16% cases and remained unchanged/worsened in 84%.

CONCLUSION: AngioVac procedure is an alternative treatment for critically ill patients who cannot undergo surgery. To understand the survival, safety and candidacy of patients undergoing this procedure, further randomized control studies and literature reviews are needed. The improvement or worsening of tricuspid regurgitation in patients with TR valve involvement is another factor to be investigated.

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