Enteral nutrition for patients with cystic fibrosis: Comparison of a semi-elemental and nonelemental formula

Objective: To determine whether differences in tolerance and absorption of fat and nitrogen exist between a semi-elemental nutritional formula without enzyme replacement and a nonelemental formula with enzyme replacement. Study design: Sixteen patients (eight girls and eight boys) with cystic fibros...

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Veröffentlicht in:The Journal of pediatrics 1998-02, Vol.132 (2), p.265-269
Hauptverfasser: Erskine, Jamie M., Lingard, Catherine D., Sontag, Marci K., Accurso, Frank J.
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Sprache:eng
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Zusammenfassung:Objective: To determine whether differences in tolerance and absorption of fat and nitrogen exist between a semi-elemental nutritional formula without enzyme replacement and a nonelemental formula with enzyme replacement. Study design: Sixteen patients (eight girls and eight boys) with cystic fibrosis, 4 to 20 years of age (12 ± 1.3, mean ± SEM), who were pancreatic insufficient completed two 6-day regimens of nocturnal continuous enteral feedings offered in random order. Forty-four percent of the total daily energy was consumed as enteral tube feedings, and the remaining oral dietary intake remained constant throughout the study. Seventy-two–hour fecal collections from each study period were analyzed for total fat, long-chain fatty acids (LCFAs), medium-chain fatty acids (MCFAs), and nitrogen. Results: Fat absorption was 80.2% ± 2.9% and 82.3% ± 3.1% ( p = 0.58) for the semi-elemental and nonelemental formulas, respectively. Similarly, the coefficient of absorption of LCFAs was 69.5% ± 4.5% and 79.6% ± 3.4% ( p = 0.30) for the semi-elemental and nonelemental formulas. Malabsorption of MCFAs contributed minimally to total fat malabsorption. There was no difference between formulas for MCFA or for nitrogen absorption, 83.7% ± 1.9% and 87.4% ± 1.4%, p = 0.48. All patients tolerated all feedings, and weight gained was 1.8 ± 0.3 kg with no difference in weight gain between the trials. Conclusion: A nonelemental formula, with enzyme replacement, is absorbed as well as a predigested formula in patients with CF who are pancreatic insufficient. (J Pediatr 1998;132:265-9)
ISSN:0022-3476
1097-6833
DOI:10.1016/S0022-3476(98)70443-3