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  • Title: The transaortic approach for transcatheter aortic valve implantation: a valid alternative to the transapical access in patients with no peripheral vascular option. A single center experience.
    Author: Hayashida K, Romano M, Lefèvre T, Chevalier B, Farge A, Hovasse T, Le Houerou D, Morice MC.
    Journal: Eur J Cardiothorac Surg; 2013 Oct; 44(4):692-700. PubMed ID: 23439694.
    Abstract:
    OBJECTIVES: Transcatheter aortic valve implantation (TAVI) in patients with poor peripheral vessels still remains problematic, as the transapical approach is not always feasible and is sometimes associated with myocardial damage, bleeding, post-procedural chest pain and pleural effusion. In order to address these issues, we adopted the recently introduced transaortic (TAo) approach. The purpose of this study was to evaluate the efficacy and safety of the TAo-TAVI approach using both the Sapien XT and the CoreValve according to VARC criteria. METHODS: Of 492 patients (October 2006 to February 2012), TAo-TAVI was performed in 94 consecutive patients with unfavourable peripheral access between January 2011 and February 2012. Aortic root condition, valve anatomy and annulus size were carefully assessed by multidetector computed tomography (MDCT) for possible TAo-TAVI. The aorta was exposed through an inverted 'T' manubriotomy. After retrograde guidewire crossing of the aortic valve, sheath insertion allowed device positioning and deployment subsequent to balloon valvuloplasty. RESULTS: Mean age was 84.1 ± 5.4 years (67-96) and logistic EuroSCORE 17.6 ± 10.2%. The Sapien XT was used in 88.3% and the CoreValve in 11.7% of patients. Full sternotomy allowed concomitant complete off-pump revascularization (2-4 grafts) in 11 patients. Device success rate was 92.6%. Paravalvular leak ≥2/4 was observed in 7.4%. Conversion to open chest surgery was required in 5.3% (3 aortic dissections, 1 valve migration and 1 left main occlusion). Three cerebrovascular accidents (2 transient ischaemia and 1 delayed stroke) were noted. Transfusion ≥4 units was performed in 12 patients (12.8%). Intensive care unit (ICU) and total hospital stay were 4.9 ± 5.0 and 12.2 ± 6.2 days, respectively. Thirty-day mortality and combined safety endpoint were reported in 7.4 and 16.0%, respectively. CONCLUSIONS: The TAo approach for both Sapien XT and CoreValve implantation can be used with satisfactory clinical outcome and an acceptable risk. This access route could prove a valid alternative to the transapical approach.
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