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  • Title: Influence of continuous haemofiltration on haemodynamics and central blood volume in experimental endotoxic shock.
    Author: Stein B, Pfenninger E, Grünert A, Schmitz JE, Hudde M.
    Journal: Intensive Care Med; 1990; 16(8):494-9. PubMed ID: 2286729.
    Abstract:
    In order to assess the influence of continuous haemofiltration (HF) on haemodynamics and central blood volume in endotoxic shock, endotoxinaemia was invoked in 20 swine (28-32 kg). 15 min after doubling the mean pulmonary pressure, the animals were randomly assigned to receive either a zero-balanced veno-venous HF with an ultrafiltration and replacement rate of 600 ml/h (HF group, n = 10) or to observe the spontaneous course (E group, n = 10) under a constant infusion of endotoxin for 4 h. A trend to a higher survival rate in the HF group (6/10 vs. 3/10; E group) during the observation period was evident, but not statistically significant. Early initiation of HF during endotoxic shock modifies the haemodynamic response, lowering the pulmonary artery pressure (PAP), PCWP, pulmonary (PVR) and systemic vascular resistance (SVR), compared to the spontaneous course, whereas the decrement of central blood volume was comparable in both groups. These changes cannot be explained by effects of the HF on the volume status, but supports and additional effect by the filtration of small and medium-sized molecules.
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