We included prospectively 177 consecutive patients who underwent TAVI in our center. Low-risk patients, admitted to conventional cardiology unit, had stable clinical state, LVEF > 40%, transfemoral access, no right bundle branch block (RBBB), permanent pacing with self-expandable valve and no complication during the procedure. High-risk group included other patients who were transferred to ICU. The primary endpoint concerned in-hospital events (VARC-2 criteria).
Mean age of patients was 83.5±6.5 years and mean logistic Euroscore was 14.6±9.7%. The balloon expandable SAPIENS 3 valve was mainly used (n=148; 83.6%), mostly with transfemoral access (n=167; 94,4%). Among the 61 patients (34.5%) included in the low-risk group, only 1 (1.6%) had a minor complication (NPV: 98.4%; 95% CI: 0.91-0.99). Conversely, 47 patients (40.5%) from the high-risk group had clinical events (PPV: 40.5%; 95% CI: 0.31-0.50), mainly conductive disorders requiring pacemaker (n=26; 22.4%). In multivariate analysis, RBBB (OR: 14.1; 95% CI: 3.5-56.3), use of self-expandable valve without pacemaker (OR: 5.5; 95% CI: 2-16.3), vitamin K antagonist treatment (OR: 3.8; 95% CI: 1.1-12.6) and female gender (OR: 2.6; 95% CI 1.003-6.9) were pre-procedural predictive factors of in-hospital adverse events.
Our results suggested that TAVI can be performed safely without ICU admission in selected patients. This strategy may optimize efficiency and cost-effectiveness of the procedure.
The author hereby declares no conflict of interest