Abstract
The effect of intravenously administered lipids (intralipid) on immunologic function, complement, and coagulation was prospectively studied over 1 year in 15 children. The mean age of the children was 52.4 +/- 37.9 months; they had received total parenteral nutrition for an average of 3 years. Immunoglobulins (IgA, IgM, IgG), coagulation studies (platelets, prothrombin time (PT), partial thromboplastin time (PTT), fibrinogen, fibrinogen degradation products, factor V) and components of complement (C3, C4, and CH100) were analyzed. Activation of monocytes by opsonized zymosan was measured by chemiluminescence and compared with that of normal control subjects. The clinically stable children had normal monocyte activation and normal complement levels. The PT and PTT values were significantly increased but improved with increased intralipid dose; other coagulation factors were normal. Acutely sick children, however, had decreased fat tolerance with significantly increased serum triglyceride levels and PT and PTT values; their monocyte activation and complement factors remained normal. These data indicate that the dose of intralipid should be lowered during acute illnesses; we suggest close monitoring of PT and PTT values and of serum triglyceride and cholesterol levels to avoid the fat overload syndrome.
Published Version
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