Blood and Urine Analysis in Patients with Intestinal Bladders

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Abstract
Summary A group of 183 patients whose urine was stored in pouches formed either wholly or partly from bowel was reviewed to establish abnormal biochemical and haematological factors and to assess the risk of infection. Minimum follow‐up was 1 year (range 1–28.5, mean 3 years 8 months) and the mean age of the patients at follow‐up was 16.5 years (range 4–43). Pouches were augmentation and substitution cystoplasties and complete reconstructions with bowel. Bowel segments were ileum (55 patients), colon (100) and mixed (28). Anaemia was found in 15 patients, folate deficiency in 2 and folate excess in 2. Definite hyperchloraemic acidosis was found in 25 patients and borderline results in 40. Most of these patients had colon in the pouch but 5 definite and 13 borderline cases had ileum only. Troublesome urinary infections occurred in 27.9% of patients; 3 developed renal stones and 22 developed pouch/bladder stones. Stones were usually associated with infection and/or staples. Delayed linear growth occurred in 20% of children in spite of a normal increase in weight; there was no difference in any of the measurements between those who grew and those who did not.