Copyright
©The Author(s) 2015.
World J Cardiol. Nov 26, 2015; 7(11): 801-807
Published online Nov 26, 2015. doi: 10.4330/wjc.v7.i11.801
Published online Nov 26, 2015. doi: 10.4330/wjc.v7.i11.801
Table 1 Optimal atrio-ventricular delay (ms) by echocardiography and QuickOpt
| Optimal AV delay(in ms) | Optimal PV delay(in ms) | P value | |
| Echocardiography | 155.5 ± 14.68 (130-180) | 122.5 ± 17.73 (90-150) | < 0.0001 |
| QuickOpt | 167.5 ± 16.73 (150-190) | 117.5 ± 9.10 (100-140) | < 0.0001 |
Table 2 Left ventricular outflow tract-velocity time integral (left ventricular outflow track velocity time-integral) at optimal AV and PV delay and time required for AV/PV delay optimization
| Echocardiography | QuickOpt | P value | |
| LVOT VTI at optimal AV delay (cm) | 18.86 ± 4.11 (11.6-27.7) | 17.82 ± 4.02 (11.46-27.7) | 0.0099 |
| LVOT VTI at optimal PV delay (cm) | 19.26 ± 3.01 (13.7-23.9) | 18.5 ± 2.92 (13.8-23.9) | 0.07 |
| Time required for optimization (min) | 45.26 ± 1.73 (41.5-48.1) | 0.44 ± 0.08 (0.31-0.57) | < 0.0001 |
- Citation: Vijayvergiya R, Gupta A. Comparison of echocardiography and device based algorithm for atrio-ventricular delay optimization in heart block patients. World J Cardiol 2015; 7(11): 801-807
- URL: https://www.wjgnet.com/1949-8462/full/v7/i11/801.htm
- DOI: https://dx.doi.org/10.4330/wjc.v7.i11.801