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  • Title: Measurement of colonic transit time in children.
    Author: Bautista Casasnovas A, Varela Cives R, Villanueva Jeremias A, Castro-Gago M, Cadranel S, Tojo Sierra R.
    Journal: J Pediatr Gastroenterol Nutr; 1991 Jul; 13(1):42-5. PubMed ID: 1919951.
    Abstract:
    Transit times through the whole colon and its segments were measured in 10 healthy children and 14 children suffering constipation secondary to myelomeningocele. The subjects ingested radio-opaque markers on three successive days, and on the fourth a plain abdominal roentgenogram was taken using fast film. In the healthy children, total colonic transit time (mean +/- SD) was 37.8 +/- 6.2 h, with segmental times of 10.8 +/- 3.5 h for the right colon, 12.2 +/- 2.7 h for the left, and 14.7 +/- 2.1 h for the rectosigmoid; upper normal limits of 17.8 h for the right colon, 17.6 h for the left, 19.1 h for the rectosigmoid, and 50.2 h for the total colonic transit time were established. In the constipated children, the total transit time was 59.9 +/- 5.4 h, with segmental times of 15.9 +/- 2.3 h for the right colon, 18.9 +/- 2.3 h for the left, and 25.0 +/- 2.6 h for the rectosigmoid. The technique described is simple, is easy to use in clinical practice, and involves a lower radiation dose than other methods. It may prove useful for measurement of colonic transit time in suitable patients.
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