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J Am Coll Cardiol, 2001; 38:963-968
© 2001 by the American College of Cardiology Foundation
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Circulatory response to fluid overload removal by extracorporeal ultrafiltration in refractory congestive heart failure

GianCarlo Marenzi, MDa, Gianfranco Lauri, MDa, Marco Grazi, MDa, Emilio Assanelli, MDa, Jeness Campodonico, MDa and PierGiuseppe Agostoni, MD, PhDa

a Centro Cardiologico Monzino, I.R.C.C.S., Institute of Cardiology, University of Milan, Milan, Italy



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Figure 1 Mean pulmonary wedge pressure (PWP), mean right atrial pressure (RAP), cardiac output (CO) and stroke volume (SV) before, during and after extracorporeal ultrafiltration (UF). *p < 0.01 vs. before ultrafiltration.

 


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Figure 2 Right atrial pressure (RAP) versus pulmonary artery wedge pressure (PWP) during extracorporeal ultrafiltration. Symbols (mean [black circle] ± SD [bar]) are, from right to left, data obtained before ultrafiltration, after 1 L, 2 L, 3 L and 4 L of ultrafiltrate, at the end and 24 h after ultrafiltration. A 1 to 1 reduction of right and left atrial pressures suggests lowering of extracardiac constraint (see text).

 


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Figure 3 Percent changes in plasma volume (PV) (upper) and plasma refilling rate (PRR) (lower) during extracorporeal ultrafiltration (UF). *p < 0.01 vs. 1 L.

 




 
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