You look all right to me: compromised nutritional status in paediatric patients with ulcerative colitis

Hill, Rebecca J. and Davies, Peter S. W. (2013) You look all right to me: compromised nutritional status in paediatric patients with ulcerative colitis. Journal of Pediatric Gastroenterology and Nutrition, 56 4: 385-389. doi:10.1097/MPG.0b013e31827e1f25


Author Hill, Rebecca J.
Davies, Peter S. W.
Title You look all right to me: compromised nutritional status in paediatric patients with ulcerative colitis
Journal name Journal of Pediatric Gastroenterology and Nutrition   Check publisher's open access policy
ISSN 0277-2116
1536-4801
Publication date 2013-04
Year available 2013
Sub-type Article (original research)
DOI 10.1097/MPG.0b013e31827e1f25
Volume 56
Issue 4
Start page 385
End page 389
Total pages 5
Place of publication Philadelphia, United States
Publisher Lippincott Williams & Wilkins
Collection year 2014
Language eng
Formatted abstract
Objectives: It is reported that malnutrition is not a feature of ulcerative colitis (UC). Body mass index (BMI) is frequently used clinically to indicate nutritional status; however, it is a proxy measure at best, and body cell mass (BCM) is a much more accurate representation. The present study aims to investigate BMI in patients with UC in relation to their BCM.

Methods: A total of 18 patients (7M; 11F) had their nutritional status (BCM) measured using total body potassium40 counting every 6 months to yield a total of 77 measurements. BCM measurements were adjusted for height and sex, and BMI was calculated as weight/height2, with z scores determined for both parameters. Disease activity was determined using the Pediatric Ulcerative Colitis Activity Index.

Results: Mean (±SD) height, weight, BMI, and BCM z scores were 0.39 (0.96), 0.20 (1.08), -0.05 (1.18), and -0.74 (1.41), respectively. No correlation was found between BMI and BCM z scores, and these z scores were significantly different (P = 0.02), particularly in the moderate/severe disease activity group (P = 0.01). Mean BCM z scores were -0.69 (1.65) of a z score below BMI z scores. Furthermore, where BMI z scores showed no relation to disease activity and no differences between disease activity categories, BCM z scores were significantly negatively correlated (r = -0.32, P = 0.01), with significantly lower scores found in the moderate/severe group (P = 0.01).

Conclusions: Simply calculating BMI in patients with UC does not give adequate information regarding nutritional status, and more accurate, yet easily accessible “bedside” techniques need to be determined to improve patient care.
Keyword Body mass index
Body cell mass
Body composition
Ulcerative colitis
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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