Small balloon strategy associated with low pacemaker implantation rate after self-expanding transcatheter valve implantation

Yuan Zhang, Wen-zhi Pan, Li-hua Guan, Xiao-chun Zhang, Sha-sha Chen, Li-fan Yang, Lei Zhang, Ming-fei Li, Dan-dan Chen, Da-xin Zhou, Jun-bo Ge

Table 3 Univariate and multivariable predictors of the implantation of permanent pacemaker after TAVI

Variables Univariate analysis Multivariable analysis OR Lower 95% CI Upper 95% CI P-value OR Lower 95% CI Upper 95% CI P-value Age 1.01 0.91 1.11 0.910 - - - - Male 0.55 0.11 2.83 0.480 - - - - NYHA III or IV 0.99 0.92 1.07 0.830 - - - - STS score 0.95 0.80 1.11 0.510 - - - - Logistic EuroSCORE 0.81 0.54 1.23 0.330 - - - - CAD 1.70 0.40 7.23 0.480 - - - - AVA by echo base 2.90 0.04 227.77 0.630 - - - - Mean aortic gradient by echo at basement 1.04 1.00 1.07 0.060 -1.08 -1.01 -1.16 0.021 LVEF 0.97 0.92 1.03 0.320 - - - - Pre-existing LBBB 0.71 1.80 2.83 0.630 - - - - Pre-existing RBBB 1.78 0.42 7.58 0.440 - - - - Device brand 3.07 0.27 35.55 0.400 - - - - Valve size 1.24 0.87 1.77 0.240 - - - - Prosthesis diameter/annulus diameter (per 0.1 increment) 2.12 0.98 4.59 0.056 2.70 1.00 7.31 0.048 Implantation depth 1.24 1.01 1.52 0.038 1.18 0.89 1.57 0.250 Small balloon valvuloplasty 6.41 1.25 32.86 0.026 21.30 1.41 321.18 0.027 Post-dilation 1.15 0.27 4.92 0.850 - - - - Post-dilation balloon size 0.78 0.36 1.70 0.530 - - - -