scholarly journals Corrigendum to: Intraventricular Conduction Disturbances After Transcatheter Aortic Valve Implantation

2020 ◽  
Vol 15 ◽  
Author(s):  
Shu-I Lin ◽  
Mizuki Miura ◽  
Ana Paula Tagliari ◽  
Ying-Hsiang Lee ◽  
Shinichi Shirai ◽  
...  
2020 ◽  
Vol 15 ◽  
Author(s):  
Shu-I Lin ◽  
Mizuki Miura ◽  
Ana Paula Tagliari ◽  
Ying-Hsiang Lee ◽  
Shinichi Shirai ◽  
...  

Despite significant improvements in transcatheter aortic valve implantation (TAVI) outcomes, periprocedural conduction disturbances, such as new-onset left bundle branch block (LBBB) and new pacemaker implantation (PMI), remain relatively frequent concerns. The development of periprocedural conduction disturbances can be explained by the proximity between the aortic valve and the conduction system. Although prior studies reported heterogeneity in PMI rates after TAVI, current evidence supports the potentially deleterious consequence of LBBB and PMI, and several predisposing factors have been reported. Therefore, new strategies to avoid conduction disturbances and to improve their management are required, particularly with the current trend to expand TAVI to a low-risk population.


2021 ◽  
Vol 42 (Supplement_1) ◽  
Author(s):  
P Breitbart ◽  
J Minners ◽  
M Hein ◽  
H Schroefel ◽  
F J Neumann ◽  
...  

Abstract Background/Introduction Prior studies in patients with transcatheter aortic valve implantation (TAVI) demonstrated an influence of transcatheter heart valve (THV) position on the occurrence of new conductions disturbances (CD) and paravalvular leakage (PVL) post TAVI in balloon-expandable valves (BEV). Purpose Purpose of this study was to investigate the THV position and its influence on the occurrence of CD and PVL in self-expanding valves (SEV). Methods We performed fusion imaging of pre- and post-procedural computed tomography angiography in 104 TAVI-patients (all with Evolut R) to receive a 3-D reconstruction of the THV within the native annulus region. The THV length below the native annulus was measured for assessment of implantation depth. Electrocardiograms pre-discharge were assessed for conduction disturbances (CD), PVL was determined in transthoracic echocardiography. Results The mean implantation depth of the THV in the whole cohort was 4.3±3.0 mm. Using the best cut-off of >4 mm in receiver operating characteristic curve analysis (sensitivity 83.3%, specificity 60.0%) patients with lower THV position developed more new CD after TAVI (68.2 vs. 23.7%, P<0.001). A deep THV position was identified as the only predictor for new CD after TAVI (odds ratio [CI]: 1.312 [1.119–1.539], P=0.001). The implantation depth showed no influence on the grade of PVL (r=0.052, P=0.598). Conclusions In patients with TAVI using the Evolut R SEV, a lower THV positioning (>4 mm length below annulus) was a predictor for new conduction disturbances. In contrast, prosthesis position was not associated with the extent of PVL. FUNDunding Acknowledgement Type of funding sources: None.


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