Matteo Casenghi , Sara Corradetti , Stefano Rigattieri , Francesca Giovannelli , Marta Belmonte , Marco Redivo , Carlo Terrone , Daniele Barzetti , Antonella Tommasino , Eric Wyffels , Emanuele Gallinoro , Raffaella Mistrulli , Pasquale Paolisso , Andrea Berni , Marc Vanderheyden , Emanuele Barbato
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引用次数: 0
Abstract
Aims
This study aimed to identify predictors of permanent pacemaker implantation (PPI) within 30 days after transcatheter aortic valve implantation (TAVI) using the Navitor™ (Abbott Chicago, IL, USA) transcatheter heart valve (THV).
Methods and results
This retrospective two-center study included 173 patients with severe aortic stenosis undergoing transfemoral TAVI with Navitor™ THV. Patients with prior pacemaker implantation and valve-in-valve procedures were excluded. Mean age was 81.5 ± 5.0 years, and 54 patients (31 %) required PPI; they were more often male (57 % vs. 37 %, p = 0.01), had higher left ventricular ejection fraction (55.3 ± 9.0 vs. 52.4 ± 9.2, p = 0.049), and higher rates of COPD (30 % vs. 16 %, p = 0.017) and pre-existing right bundle branch block (RBBB; 17 % vs. 0.8 %, p < 0.001). Procedural factors associated with PPI included greater annulus-to-THV oversizing (13.6 % ± 3.4 vs. 12.5 % ± 3.1, p = 0.041), implantation depth > 4 mm (75.9 % vs. 52.1 %, p = 0.002), and 29 mm valve size use (46.3 % vs. 26.9 %, p = 0.010). At multivariable analysis, COPD (OR 2.4, p = 0.049), pre-existing RBBB (OR 34.4, p = 0.001), annulus-to-THV oversizing (OR 1.2, p = 0.002), and implantation depth > 4 mm (OR 3.2, p = 0.007) were independent predictors of PPI. ROC analysis (AUC 0.58) identified an optimal cut-off of 15 % annulus-to-THV oversizing for predicting PPI.
Conclusions
Annulus-to-THV oversizing emerges as a novel independent predictor for PPI after TAVI with Navitor™ THV.
期刊介绍:
Cardiovascular Revascularization Medicine (CRM) is an international and multidisciplinary journal that publishes original laboratory and clinical investigations related to revascularization therapies in cardiovascular medicine. Cardiovascular Revascularization Medicine publishes articles related to preclinical work and molecular interventions, including angiogenesis, cell therapy, pharmacological interventions, restenosis management, and prevention, including experiments conducted in human subjects, in laboratory animals, and in vitro. Specific areas of interest include percutaneous angioplasty in coronary and peripheral arteries, intervention in structural heart disease, cardiovascular surgery, etc.