Albumin excretion rate is not affected a by asymptomatic urinary tract infection -: A prospective study

被引:8
作者
Hernández, C [1 ]
Simó, R [1 ]
机构
[1] Hosp Univ Hebron, Div Endocrinol, Diabetes Res Unit, Barcelona 08035, Spain
关键词
D O I
10.2337/diacare.27.7.1565
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVE - The aim of the study was to evaluate whether asymptomatic urinary tract infection (UTI) significantly influences the level of albumin excretion rate (AER) in diabetic patients. RESEARCH DESIGN AND METHODS - We screened prospectively for UTI and AER in 765 type 2 diabetic subjects. AER was determined before and after antimicrobial therapy in those patients in whom an asymptomatic UTI was diagnosed (it - 59). To interpret the clinical significance of AER changes, the coefficient of biological variation (CVb) of the AER (CVb-AER) was assessed in a control group of type 2 diabetic patients without UTI (n = 56). RESULTS - AER did not change after antimicrobial treatment either in the whole group of patients with UTI (pre: 13.8 mug/min [0.1-195] vs. post: 8.5 mug/min [0.1-185] P = 0.1) or in those patients in whom the infection was eradicated (pre: 11.7 mug/min [0.1-165] vs. post: 7.1 mug/min [0.1-185], NS). The CVb-AER was 64% in the control group and was inversely correlated with AER (r = -0.44 P = 0.001). The decrease of AER after antimicrobial therapy (55%) did not exceed the biological Variation of AER (64%), Finally, UTI did not significantly influence the classification of diabetic patients as normo- or microalbuminuric. CONCLUSIONS - Asymptomatic UTI does not increase AER in type 2 diabetic patients. Therefore, our results suggest that testing for UTI is not necessary when AER is measured in diabetic patients.
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页码:1565 / 1569
页数:5
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