TABLE 3

Changes in Parameters Compared with Clinical Outcome

Change in parameter (after – before)Nonresponder* (n = 19)Responder† (n = 47)P
QRS9.44 ± 25.03 ms−13.46 ± 34.11 ms0.006
LVEF (echo)1.99% ± 10.61%10.51% ± 13.80%0.03
LVEDVI (echo)−5.94 ± 32.75 mL−12.54 ± 31.87 mL0.6
LVESVI (echo)−15.47 ± 23.81 mL−15.72 ± 30.58 mL0.9
LVS−0.004 ± 0.040.050 ± 0.100.004
LVE0.004 ± 0.08−0.064 ± 0.100.006
LVSDØ−3.5° ± 11.60°−14.3° ± 16.10°0.004
LVEF (ERNA)1.13% ± 6.10%8.0% ± 8.80%0.0007
RVSDØ−0.83° ± 13.60°−1.3° ± 9.10°0.9
RVS0.006 ± 0.040.007 ± 0.050.9
RVE−0.003 ± 0.12−0.01 ± 0.090.8
IVS2.3° ± 7.60°−3.8° ± 17.50°0.05

  • ↵* See text; negative or 0 change in NYHA classification at 6-mo follow-up visit after CRT implantation.

  • ↵† See text; positive 1 or 2 change NYHA classification at 6-mo follow-up visit after CRT implantation.