Lipid, nitrogen, water and energy content of a single stool sample in healthy children and children with cystic fibrosis

A.M. van den Neucker, Ph. Forget, B.K. van Kreel

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Abstract

Lipid, nitrogen, water and energy content of a single stool sample in healthy children and children with cystic fibrosis.

Van den Neucker AM, Forget PP, van Kreel B.

Department of Paediatrics, University Hospital Maastricht, P Debyelaan 25, 6229 HX Maastricht, The Netherlands. AVN@paed.azm.nl

To evaluate the usefulness of "single stool sample" analysis in the investigation of steatorrhoea instead of 72-h stool collection, we examined 57 stool samples of patients with cystic fibrosis (CF) while on pancreatic enzyme therapy and 29 stool samples of healthy children. We compared results of fat, nitrogen, water and energy content. Fat was determined by the method of Van de Kamer et al. and the Acid Steatocrit (AS) method, water by vacuum drying, nitrogen by the Dumas method and energy was obtained using a bomb calorimeter. Results (median) for CF patients and healthy controls were significantly different (P< or =0.0001) for fat respectively: 8.90 and 4.75/100 g wet weight (ww) stool as measured by the method of Van de Kamer et al. and 28.6% and 7.2% by the AS method. Energy results for energy were also significantly (P< or =0.0001) different: 742.96 and 549.32 kJ/100 g ww stool for CF patients and healthy controls respectively. Results of single stool sample water and nitrogen were similar in both groups. These results were comparable to those of a 3-day stool collection, as reported in the literature. CONCLUSION: Results from single stool samples yield clinically useful information concerning fat and energy. Single stool sample analysis is therefore useful for frequent monitoring of faecal fat and energy
Original languageEnglish
Pages (from-to)764-766
Number of pages3
JournalEuropean Journal of Pediatrics
Volume162
Issue number11
DOIs
Publication statusPublished - 1 Jan 2003

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