Table 3
Open in new tab

Phasic coronary flow parameters of the left anterior descending coronary artery

ParameterBaseline
Hyperemia
ControlBiVP-valueControlBiVP-value
APV, cm/s21.9 ± 6.424.7 ± 8.8<0.001*47.8 ± 14.855.8 ± 18.2<0.001*
Systolic velocity, cm/s12.6 ± 5.614.0 ± 6.60.04*27.9 ± 14.233.5 ± 16.10.005*
Diastolic velocity, cm/s26.6 ± 7.430.6 ± 11.0<0.001*56.2 ± 17.266.2 ± 21.7<0.001*
Systolic time, ms295 ± 36291 ± 310.33307 ± 39300 ± 320.37
Diastolic time, ms595 ± 64602 ± 630.49592 ± 67594 ± 820.68
Systolic VTI, cm3.8 ± 1.94.2 ± 2.10.04*8.3 ± 3.910.1 ± 5.00.02*
Diastolic VTI, cm15.6 ± 3.618.1 ± 6.20.001*33.4 ± 10.438.4 ± 12.2<0.001*
Total VTI, cm19.4 ± 5.022.2 ± 7.7<0.001*41.7 ± 13.048.5 ± 15.2<0.001*
Mean distal pressure, mmHg85.9 ± 15.485.7 ± 17.40.1178.5 ± 14.179.5 ± 15.90.41
ParameterBaseline
Hyperemia
ControlBiVP-valueControlBiVP-value
APV, cm/s21.9 ± 6.424.7 ± 8.8<0.001*47.8 ± 14.855.8 ± 18.2<0.001*
Systolic velocity, cm/s12.6 ± 5.614.0 ± 6.60.04*27.9 ± 14.233.5 ± 16.10.005*
Diastolic velocity, cm/s26.6 ± 7.430.6 ± 11.0<0.001*56.2 ± 17.266.2 ± 21.7<0.001*
Systolic time, ms295 ± 36291 ± 310.33307 ± 39300 ± 320.37
Diastolic time, ms595 ± 64602 ± 630.49592 ± 67594 ± 820.68
Systolic VTI, cm3.8 ± 1.94.2 ± 2.10.04*8.3 ± 3.910.1 ± 5.00.02*
Diastolic VTI, cm15.6 ± 3.618.1 ± 6.20.001*33.4 ± 10.438.4 ± 12.2<0.001*
Total VTI, cm19.4 ± 5.022.2 ± 7.7<0.001*41.7 ± 13.048.5 ± 15.2<0.001*
Mean distal pressure, mmHg85.9 ± 15.485.7 ± 17.40.1178.5 ± 14.179.5 ± 15.90.41

APV, average peak velocity; VTI, velocity time integral.

*P< 0.05, Control vs. biventricular pacing (BiV).

Table 3
Open in new tab

Phasic coronary flow parameters of the left anterior descending coronary artery

ParameterBaseline
Hyperemia
ControlBiVP-valueControlBiVP-value
APV, cm/s21.9 ± 6.424.7 ± 8.8<0.001*47.8 ± 14.855.8 ± 18.2<0.001*
Systolic velocity, cm/s12.6 ± 5.614.0 ± 6.60.04*27.9 ± 14.233.5 ± 16.10.005*
Diastolic velocity, cm/s26.6 ± 7.430.6 ± 11.0<0.001*56.2 ± 17.266.2 ± 21.7<0.001*
Systolic time, ms295 ± 36291 ± 310.33307 ± 39300 ± 320.37
Diastolic time, ms595 ± 64602 ± 630.49592 ± 67594 ± 820.68
Systolic VTI, cm3.8 ± 1.94.2 ± 2.10.04*8.3 ± 3.910.1 ± 5.00.02*
Diastolic VTI, cm15.6 ± 3.618.1 ± 6.20.001*33.4 ± 10.438.4 ± 12.2<0.001*
Total VTI, cm19.4 ± 5.022.2 ± 7.7<0.001*41.7 ± 13.048.5 ± 15.2<0.001*
Mean distal pressure, mmHg85.9 ± 15.485.7 ± 17.40.1178.5 ± 14.179.5 ± 15.90.41
ParameterBaseline
Hyperemia
ControlBiVP-valueControlBiVP-value
APV, cm/s21.9 ± 6.424.7 ± 8.8<0.001*47.8 ± 14.855.8 ± 18.2<0.001*
Systolic velocity, cm/s12.6 ± 5.614.0 ± 6.60.04*27.9 ± 14.233.5 ± 16.10.005*
Diastolic velocity, cm/s26.6 ± 7.430.6 ± 11.0<0.001*56.2 ± 17.266.2 ± 21.7<0.001*
Systolic time, ms295 ± 36291 ± 310.33307 ± 39300 ± 320.37
Diastolic time, ms595 ± 64602 ± 630.49592 ± 67594 ± 820.68
Systolic VTI, cm3.8 ± 1.94.2 ± 2.10.04*8.3 ± 3.910.1 ± 5.00.02*
Diastolic VTI, cm15.6 ± 3.618.1 ± 6.20.001*33.4 ± 10.438.4 ± 12.2<0.001*
Total VTI, cm19.4 ± 5.022.2 ± 7.7<0.001*41.7 ± 13.048.5 ± 15.2<0.001*
Mean distal pressure, mmHg85.9 ± 15.485.7 ± 17.40.1178.5 ± 14.179.5 ± 15.90.41

APV, average peak velocity; VTI, velocity time integral.

*P< 0.05, Control vs. biventricular pacing (BiV).

Close
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close

This PDF is available to Subscribers Only

View Article Abstract & Purchase Options

For full access to this pdf, sign in to an existing account, or purchase an annual subscription.

Close