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  • Title: Introduction of enteral feeding in neonates on extracorporeal membrane oxygenation after evaluation of intestinal permeability changes.
    Author: Piena M, Albers MJ, Van Haard PM, Gischler S, Tibboel D.
    Journal: J Pediatr Surg; 1998 Jan; 33(1):30-4. PubMed ID: 9473094.
    Abstract:
    BACKGROUND/PURPOSE: Neonates meeting criteria for extracorporeal membrane oxygenation (ECMO) often suffer from variable periods of hypoxia. During ECMO, starvation of the gut is common practice in many centres as splanchnic ischemia results in loss of intestinal integrity, which in turn predisposes for bacterial translocation and sepsis and eventually necrotizing enterocolitis (NEC) and multiorgan failure. However, minimal enteral feeding is thought to be of benefit in the critically ill. Data on intestinal integrity in newborns on ECMO and the effects of enteral nutrition are not available. This study prospectively evaluates the changes in small intestinal integrity in 16 neonatal ECMO patients. METHODS: With 2-day intervals, excretion percentages of lactulose/L-rhamnose (nonmediated diffusion), D-xylose (passive), and 3-O-methyl-D-glucose (active carrier-mediated transport) were measured by gas-liquid chromatography in a 4-hour urine sample. After obtaining baseline data in nine patients, enteral feeding was started in the next seven patients between the third and the ninth day of ECMO. RESULTS: Thirteen patients had increased lactulose/L-rhamnose ratios (>0.05) consistent with increased intestinal permeability. In three patients the lactulose/L-rhamnose ratios were within the normal range. D-xylose excretion percentages were normal (or slightly increased) in 11 patients consistent with normal (or increased) passive carrier-mediated transport. 3-O-methyl-D-glucose excretion percentages were decreased (<10%) in all but one patient, consistent with decreased active carrier-mediated transport. After introduction of enteral nutrition no significant changes of these parameters were seen. CONCLUSIONS: The authors conclude that intestinal integrity is compromised in neonates on ECMO and that introduction of enteral nutrition does not result in further deterioration. This conclusion does not support the practice of withholding enteral nutrition in critically ill newborns supported by ECMO.
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