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Journal of Tropical Pediatrics 1992 38(6):323-326; doi:10.1093/tropej/38.6.323
© 1992 by Oxford University Press
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Absorption of Carbohydrate from Rice in Ascaris lumbricoides Infected Burmese Village Children

James M. Linklater, MBBS*, Khin-Maung-U, MD**,, Terry D. Bolin, MD*, Thane-Toe, PhD**, Stephen P. Pereira, MBBS*, Myo-Khin, MBBS**, Vic M. Duncombe, MD* and Nyunt-Nyunt-Wai, MMedSc**

*Gastrointestinal Unit, University of New South Wales School of Medicine, Prince of Wales Hospital Sydney, Australia
**Clinical Research Division, Department of Medical Research, Ministry of Health Rangoon (Yangon), Burma (Myanmar)

Correspondence: Dr Khin Maung U, Department of Pediatrics, International Institute for Infant Nutrition and Gastrointestinal Disease, Hahnemann University, Mail Stop 402, Broad and Vine Streets, Philadelphia, PA 19102-1192, USA.

With the objective of determining the relationship between ascariasis and carbohydrate absorption from rice, breath hydrogen tests (BHT's) were performed in two study populations of Burmese village children. Using a rice test meal, breath hydrogen peaks greater than 10 ppm above baseline within 4 hours (indicating rice malabsorption) were seen in 24 out of 55 (44 per cent) Ascaris lumbricoides infected children and 3 out of 18 (17 per cent) non-infected children (age 18–59 months). In another ascaris endemic village 139 children (age 36–108 months) underwent a rice meal BHT. Seventy children had been regularly dewormed for 2 years (single dose levamisole 50 mg every 3 months) whilst 69 children had been dewormed once in 2 years, 6 weeks before breath testing. Regularly dewormed children showed a lower prevalence of rice malabsorption (33 per cent) compared to the control group (54 per cent) (P<0.05). These findings suggest that malabsorption of carbohydrate from rice can occur during Ascaris lumbricoides infection in children.


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