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Fractionated plasmatic separation and adsorption does not alter haemodynamic parameters in experimental acute liver failure

E. Laszikova, J. Prazak, O. Ryska, E. Koblihova, T. Tyll, M. Ryska,

. 2014 ; 35 (4) : 280-4.

Language English Country Sweden

Document type Clinical Trial, Journal Article, Research Support, Non-U.S. Gov't

Persistent link   https://www.medvik.cz/link/bmc14074124

OBJECTIVE: Acute liver failure (ALF) is a rare disease with a bad prognosis. Its start is accompanied by haemodynamic instability. The aim of our study was to evaluate the influence of fractionated plasmatic separation and adsorption (FPSA) on body haemodynamics using a large animal experimental model of ALF. METHODS: ALF was induced by the devascularisation of 21 laboratory pigs. FPSA was applied in 14 animals and seven animals formed a control group. Values of systemic vascular resistance index (SVRI), heart rate (HR), pulmonary artery wedge pressure (PAWP) and cardiac index (CI) at hours 3, 6, 9 and 12 of the experiment were compared. The values from laboratory tests conducted with FPSA-treated vs. untreated ALF animals were compared using Student's t-test, paired or unpaired, as required, and Mann-Whitney U-test using EXCEL and QUATRO spreadsheet applications. RESULTS: We found no significant differences in mean arterial pressure, SVRI, or plasma lactate (p>0.05) in the FPSA-treated group but there was a significant decrease(p<0.05) in intracranial pressure (ICP). Furthermore, we observed a significant decrease in HR at hour 3. A significant increase in CI at hour 9 and a significant decrease in pulmonary artery wedge pressure at hours 6 and 12 were also observed. CONCLUSION: Our study of FPSA application (Prometheus device) for treatment of experimental ALF in a large animal model did not confirm the earlier reported development of changes in body haemodynamics.

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$a OBJECTIVE: Acute liver failure (ALF) is a rare disease with a bad prognosis. Its start is accompanied by haemodynamic instability. The aim of our study was to evaluate the influence of fractionated plasmatic separation and adsorption (FPSA) on body haemodynamics using a large animal experimental model of ALF. METHODS: ALF was induced by the devascularisation of 21 laboratory pigs. FPSA was applied in 14 animals and seven animals formed a control group. Values of systemic vascular resistance index (SVRI), heart rate (HR), pulmonary artery wedge pressure (PAWP) and cardiac index (CI) at hours 3, 6, 9 and 12 of the experiment were compared. The values from laboratory tests conducted with FPSA-treated vs. untreated ALF animals were compared using Student's t-test, paired or unpaired, as required, and Mann-Whitney U-test using EXCEL and QUATRO spreadsheet applications. RESULTS: We found no significant differences in mean arterial pressure, SVRI, or plasma lactate (p>0.05) in the FPSA-treated group but there was a significant decrease(p<0.05) in intracranial pressure (ICP). Furthermore, we observed a significant decrease in HR at hour 3. A significant increase in CI at hour 9 and a significant decrease in pulmonary artery wedge pressure at hours 6 and 12 were also observed. CONCLUSION: Our study of FPSA application (Prometheus device) for treatment of experimental ALF in a large animal model did not confirm the earlier reported development of changes in body haemodynamics.
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