Conclusions Systematic identification of new-onset arrhythmias following TAVI may have considerable impact on subsequent therapeutic management and long-term prognosis in this patient population
Objective To evaluate the prevalence and clinical impact of new-onset arrhythmias in patients following transcatheter aortic valve implantation ( TAVI ) .
Pre-Existing Right Bundle Branch Block Increases Risk for Death After Transcatheter Aortic Valve Replacement With a Balloon-Expandable Valve.
OBJECTIVES The aim of this study was to determine the impact of pre-existing right bundle branch block ( RBBB ) on clinical outcomes after  transcatheter aortic valve replacement ( TAVR ) .  BACKGROUND The impact of pre-existing RBBB on clinical outcomes after TAVR is unknown . METHODS Between October 2013 and August 2015 , 749 patients undergoing TAVR using the Edwards SAPIEN XT prosthesis were prospect ively enrolled in the OCEAN-TAVI ( Optimized Transcatheter Valvular Intervention ) registry from 8 Japanese centers .  Electrocardiograms  were obtained at baseline . After the procedure , follow-up outpatient visits or telephone interviews were conducted at 30 days , 6 months , and yearly . RESULTS A total of 102 patients ( 13.6 % ) had pre-existing RBBB . The incidence of new pacemaker implantation was significantly higher in the RBBB group ( 17.6 % vs. 2.9 % ; p < 0.01 ) . The Kaplan-Meier analysis revealed that cardiovascular survival probability was significantly lower in the RBBB group than the no-RBBB group ( log-rank p < 0.01 ) . Patients with RBBB and without pacemakers were at higher risk for cardiovascular mortality in the early phase after discharge , and patients with RBBB and pacemakers had higher cardiovascular mortality at mid-term follow-up ( log-rank p = 0.01 ) . A multivariate Cox regression model indicated that pre-existing RBBB ( hazard ratio : 2.59 ; 95 % confidence interval : 1.15 to 5.85 ; p < 0.01 ) was an independent predictor of cardiovascular mortality . CONCLUSIONS Patients with RBBB demonstrated an increased risk for cardiovascular mortality after TAVR , and patients with RBBB and without pacemakers were at higher risk for cardiac death early after discharge . Patients with prior RBBB should be carefully monitored after undergoing TAVR
Conclusions Systematic identification of new-onset arrhythmias following TAVI may have considerable impact on subsequent therapeutic management and long-term prognosis in this patient population
Objective To evaluate the prevalence and clinical impact of new-onset arrhythmias in patients following transcatheter aortic valve implantation ( TAVI ) .