Technical considerations to avoid pitfalls during transapical aortic valve implantation

The Journal of Thoracic and Cardiovascular Surgery
Daniel R WongSamuel V Lichtenstein

Abstract

Transapical aortic valve implantation is a recent therapeutic advance for aortic valvular disease. We sought to identify complications--and the relevant technical and management considerations--from our learning curve with this procedure. We retrospectively reviewed perioperative complications during the first 60 transapical aortic valve implantations at a single institution, performed under compassionate release for patients who were candidates neither for conventional aortic valve replacement nor for transfemoral aortic valve implantation. Access was through a small left anterolateral thoracotomy. Particular attention was paid to securing the apical access site. Rapid ventricular pacing to reduce cardiac forward flow was used during balloon valvuloplasty and valve deployment. Careful positioning was guided by echocardiography and fluoroscopy. This was a select, high-risk (mean Society of Thoracic Surgeons score, 12.3% +/- 7.8% mortality) cohort. Mean age was 81.1 +/- 7.8 years. Technical success was achieved in 59 (98.3%) cases. One valve was malpositioned too far toward the ventricle, necessitating that a second device be implanted within it. In-hospital, 30-day mortality was 18.3% (11 deaths) overall, decreasing from 33.3% ...Continue Reading

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