URINARY-EXCRETION OF RETINOL IN CHILDREN WITH ACUTE DIARRHEA

被引:72
作者
ALVAREZ, JO
SALAZARLINDO, E
KOHATSU, J
MIRANDA, P
STEPHENSEN, CB
机构
[1] UNIV ALABAMA,DEPT NUTR SCI,BIRMINGHAM,AL 35294
[2] UNIV PERUANA CAYETANO HEREDIA,DEPT PEDIAT,LIMA,PERU
关键词
VITAMIN-A; RETINOL; DIARRHEA; URINARY EXCRETION; URINE; CHILDREN; PERU;
D O I
10.1093/ajcn/61.6.1273
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Acute infections of childhood are associated with an increased rate of xerophthalmia, apparently due to depletion of vitamin A stores. The mechanism responsible for this is not known. Recently, it has been reported that severe infections in adult patients (ie, sepsis and pneumonia) result in excretion of large quantities of retinol in the urine. In 44 children hospitalized for treatment of acute diarrhea we found mean urinary excretions of 1.44 mu mol retinol/24 h on day 1 of hospitalization, 0.62 mu mol retinol/24 h on day 2, and 0.23 mu mol/24 h on day 3. Healthy control subjects matched for age did not excrete measurable amounts of retinol in the urine. Retinol excretion was associated strongly with rotavirus diarrhea and presence of fever. Furthermore, serum retinol concentration was negatively associated with duration of diarrhea before hospitalization, suggesting that urinary excretion of retinol may be an important contributor to vitamin A depletion.
引用
收藏
页码:1273 / 1276
页数:4
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