Doppler-derived dP/dt and –dP/dt predict survival in congestive heart failure
Theodore J. Kolias, MDa,
Keith D. Aaronson, MDa and
William F. Armstrong, MD, FACCa
a Division of Cardiology, University of Michigan Medical Center, Ann Arbor, Michigan, USA
View larger version (77K):
[in a new window]
|
Figure 1 Determination of Doppler-derived dP/dt and Doppler-derived –dP/dt from the continuous-wave Doppler spectrum of the MR jet. P = pressure; t = time; v = velocity.
|
|
View larger version (13K):
[in a new window]
|
Figure 2 Kaplan-Meier survival curves of patients dichotomized by Doppler-derived dP/dt.
|
|
View larger version (15K):
[in a new window]
|
Figure 3 Kaplan-Meier survival curves of patients trichotomized by Doppler-derived –dP/dt.
|
|
View larger version (21K):
[in a new window]
|
Figure 4 Kaplan-Meier survival curves of patients divided into three risk groups based on the combination of Doppler-derived dP/dt and –dP/dt.
|
|
|
