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Randomized Controlled Trial
. 2016 Mar;22(3):182-9.
doi: 10.1016/j.cardfail.2015.11.012. Epub 2015 Dec 15.

Hemodynamic Predictors of Heart Failure Morbidity and Mortality: Fluid or Flow?

Lauren B Cooper  1 , Robert J Mentz  2 , Susanna R Stevens  3 , G Michael Felker  2 , Carlo Lombardi  4 , Marco Metra  4 , Lynne W Stevenson  5 , Christopher M O'Connor  2 , Carmelo A Milano  6 , Chetan B Patel  2 , Joseph G Rogers  2
Affiliations
Randomized Controlled Trial

Hemodynamic Predictors of Heart Failure Morbidity and Mortality: Fluid or Flow?

Lauren B Cooper et al. J Card Fail. 2016 Mar.

Abstract

Background: Patients with advanced heart failure may continue for prolonged times with persistent hemodynamic abnormalities; intermediate- and long-term outcomes of these patients are unknown.

Methods and results: We used ESCAPE (Evaluation Study of Congestive Heart Failure and Pulmonary Artery Catheterization Effectiveness) trial data to examine characteristics and outcomes of patients with invasive hemodynamic monitoring during an acute heart failure hospitalization. Patients were stratified by final measurement of cardiac index (CI; L/min/m2) and pulmonary capillary wedge pressure (PCWP; mmHg) before catheter removal. The study groups were CI ≥ 2/PCWP < 20 (n = 74), CI ≥ 2/PCWP ≥ 20 (n = 37), CI < 2/PCWP < 20 (n = 23), and CI < 2/PCWP ≥ 20 (n = 17). Final CI was not associated with the combined risk of death, cardiovascular hospitalization, and transplantation (hazard ratio [HR]1.03, 95% confidence interval 0.96-1.11 per 0.2 L/min/m2 decrease, P = .39), but final PCWP ≥ 20 mmHg was associated with increased risk of these events (HR 2.03, 95% confidence interval 1.31-3.15, P < .01), as was higher final right atrial pressure (HR 1.09, 95% confidence interval 1.06-1.12 per mmHg increase, P < .01).

Conclusion: Final PCWP and final right atrial pressure were stronger predictors of postdischarge outcomes than CI in patients with advanced heart failure. The ability to lower filling pressures appears to be more prognostically important than improving CI in the management of patients with advanced heart failure. ClinicalTrials.govIdentifier: NCT00000619.

Keywords: Heart failure; cardiogenic shock; edema.

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Figures

Figure 1
Figure 1
Bar Graph of Baseline and Final Median Hemodynamic Pressure and Cardiac Index Measurements by Group Panel A shows the median baseline and final hemodyamic pressure measurements for patients stratified by final hemodynamic measurements. Panel B shows the median baseline and final cardiac index measurements for patients stratified by final hemodynamic measurements.
Figure 2
Figure 2
Univariate Associations with Death or Cardiac Hospitalization or Cardiac Transplant
Figure 3
Figure 3
Kaplan-Meier estimates of freedom from death, cardiac hospitalization, and cardiac transplantation. Panel A shows the Kaplan-Meier estimates of freedom from death, cardiac hospitalization, and cardiac transplantation for patients with final CI < 2 L/min/m2 and final CI ≥ 2 L/min/m2. Panel B shows the Kaplan-Meier estimates of freedom from death, cardiac hospitalization, and cardiac transplantation for patients with final PCWP < 20 mmHg and final PCWP ≤ 20 mmHg. Panel C shows the Kaplan-Meier estimates of freedom from death, cardiac hospitalization, and cardiac transplantation for patients with final CI ≥ 2 L/min/m2 and PCWP ≥ 20 mmHg, CI ≥ 2 L/min/m2 and PCWP < 20 mmHg, CI < 2 L/min/m2 and PCWP ≥ 20 mmHg, and CI < 2 L/min/m2 and PCWP < 20 mmHg.
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