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Plasma clearance of fat emulsion during continuous heparin infusion
Author(s) -
Persson E.,
Nordenström J.,
Vinnars E.
Publication year - 1987
Publication title -
acta anaesthesiologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.738
H-Index - 107
eISSN - 1399-6576
pISSN - 0001-5172
DOI - 10.1111/j.1399-6576.1987.tb02547.x
Subject(s) - medicine , fat emulsion , heparin , plasma clearance , emulsion , pharmacology , pharmacokinetics , intensive care medicine , parenteral nutrition , biochemistry , chemistry
Intravenous fat tolerance was tested in two groups of patients given a continuous i.v. infusion of heparin for several days. One group of 11 patients with deep vein thrombosis (DVT) of the leg was given 25000 30000 IU heparin daily for 4–5 days. The other group comprised 10 patients who had central venous catheters (CVC) for total parenteral nutrition. These patients were given 20000 IU heparin daily for 6 days as prophylasix against CVC‐related thrombosis. In the DVT group heparinization was associated with a 44% decrease in plasma fat removal capacity ( P <0.05). This reduction persisted for 2 days after the discontinuation of heparin therapy. In the CVC group the plasma fat removal capacity decreased by 29% during heparinization ( P >0.05, NS). During heparinization activated partial thromboplastin time was more than three times the basal value in the DVT group but less than twice those in the CVC group. One week after the heparin therapy the serum triglyceride levels were higher in both groups compared with initial values (DVT group: 1.2 ± 0.2 s.c. mean vs. 1.7 ± 0.3 mmol/l; P < 0.05. CVC group: 1.0 ± 0.1 vs. 1.4 ± 0.2 mmol/l; NS). The possibility that full‐dose heparinization reduces plasma fat removal capacity and that this may be due to a partial depletion of lipoprotein lipase stores is discussed.