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. 2021 Apr;62(2):169-174.
doi: 10.23736/S0021-9509.20.11342-9. Epub 2020 Sep 4.

Electrocardiographic and clinical predictors for permanent pacemaker requirement after transcatheter aortic valve implantation: a 10-year single center experience

Daniele Errigo  1 , Pier G Golzio  2 , Fabrizio D'Ascenzo  2 , Enrico Ragaglia  2 , Francesco Bruno  2 , Stefano Salizzoni  2 , Mattia Peyracchia  2 , Davide Castagno  2 , Carlo Budano  2 , Maurizio D'Amico  2 , Simone Frea  2 , Enrico Baldi  3 , Carla Giustetto  2 , Gaetano M DE Ferrari  2
Affiliations

Electrocardiographic and clinical predictors for permanent pacemaker requirement after transcatheter aortic valve implantation: a 10-year single center experience

Daniele Errigo et al. J Cardiovasc Surg (Torino). 2021 Apr.

Abstract

Background: The aim of this study is to identify clinical, electrocardiographic (ECG) and procedural predictors for permanent pacemaker (PPM) requirement after transaortic valve implantation (TAVI).

Methods: All consecutive patients with severe symptomatic aortic stenosis (SSAS) undergoing TAVI at our single center were included in the study and prospectively followed. All patients had standard 12-leads ECGs recordings before and after TAVI and continuous ECG monitoring during hospital stay. Primary endpoint was to identify electrocardiographic predictors of PPM implantation after TAVI; secondary endpoint was to ascertain other clinical or procedure-related predictive factors of PPM need. PPM implantation was further arbitrarily divided into early and late one (beyond the 3rd day).

Results: Among the 431 patients undergoing TAVI between 2008 and 2018, 77 (18%) needed PPM implantation; 47 (11%) had an early procedure, and 30 (7%) a late implant. Preoperative right bundle branch block (RBBB) implies more than five-fold increase of the risk of PPM implantation (OR 5.19, CI 1.99-13.56, P=0.001), whereas the use of a self-expandable prosthesis is associated with an almost three-fold increase of the risk (OR 2.60, CI 1.28-5.28, P=0.008). In the late PPM implantation subgroup, only the history of syncope retains a significant association with such an increased risk (OR 2.71, CI 1.09-6.75, P=0.032).

Conclusions: The need of a PPM in the individual TAVI patient is hardly predictable. However, the finding of pre-existing RBBB, the use of self-expandable prosthesis and history of syncope can individuate patients at increased risk.

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