Document Classification

Section Type: RESULTS

Text: As compared with RV pacing, BiV pacing did not significantly prevent the decrease of LV function [LVEF 61. 0 % (36. 0 ; 68. 0) vs 60. 5 % (38. 5 ; 67. 5) in RV pacing], did not change the functional class according to the New York Heart Association [52 % in Class II vs 53. 9 % in Class II in RV pacing, and 3. 9 % in Class III vs 6. 9 % in Class III in RV pacing], and did not present any changes in quality of life [32. 5 (18. 0 ; 80. 0) vs 32. 0 (21. 0 ; 47. 0) indexes in RV pacing].