Cardiopulmonary Exercise Testing in the Clinical and Prognostic Assessment of Diastolic Heart Failure
Marco Guazzi, MD, PhD, FACC*,*,
Jonathan Myers, PhD and
Ross Arena, PhD
* Cardiopulmonary Laboratory, University of Milan, San Paolo Hospital, Milan, Italy
VA Palo Alto Health Care System and Stanford University, Palo Alto, California
Virginia Commonwealth University, Richmond, Virginia.
View larger version (22K):
[in a new window]
|
Figure 1 Kaplan-Meier survival curves according to VE/VCO2 slope in SHF and DHF using a LVEF cutoff value of  40%. DHF = diastolic heart failure; LVEF = left ventricular ejection fraction; SHF = systolic heart failure; VE = ventilation; VO2 = oxygen uptake.
|
|
View larger version (23K):
[in a new window]
|
Figure 2 Kaplan-Meier survival curves according to VE/VCO2 slope in SHF and DHF using a LVEF cutoff value of 45%. Abbreviations as in Figure 1.
|
|
View larger version (22K):
[in a new window]
|
Figure 3 Kaplan-Meier survival curves according to VE/VCO2 slope in SHF and DHF using a LVEF cutoff value of 50%. Abbreviations as in Figure 1.
|
|
|
