Journal of the Korean Pediatric Society 2001;44(5):577-586.
Published online May 15, 2001.
Factors Related to the Development of Microalbuminuria in Children and Adolescents with Type 1 Diabetes Mellitus
Min Ho Jung1, Pei Tai Wan2, Choong Ho Shin1, Sei Won Yang1
1Department of Pediatrics, College of Medicine, Seoul National University, Seoul, Korea
2Department of Pediatrics, Chunggoo Sungsim Hospital, Seoul, Korea
1형 당뇨병을 가진 소아와 청소년에서 미세알부민뇨의 발생과 관련된 인자에 관한 연구
정민호1, 왕배태2, 신충호1, 양세원1
1서울대학교 의과대학 소아과학교실
2청구성심병원 소아과
: We observed the prevalence rate of microalbuminuria(MA) and its relationship with the various clinical factors in children and adolescents with type 1 diabetes mellitus(DM).
: Seventy two children and adolescents(26 males and 46 females, 17.1±3.0 years) were included. MA was defined as 24 hour urine microalbumin >30mg/day(20μg/min). Subjects were classified into three groups(normoalbuminuria, transient MA, or persistent MA). Additionally, subjects were classified into another three groups according to age at diagnosis(<5, 5-11, or >11 years), arbitrarily. Clinical characteristics were analyzed between these groups and prevalence rates of MA by age and by duration of diabetes were analyzed.
: Of the 72 patients, 42(58.3%), 11(15.3%), and 19(26.4%) patients were included in normoalbuminuric, transient MA, and persistent MA group, respectively. The mean level of HbA1c in persistent MA group was greater than those of other groups(P<0.01). The prevalence rates of diabetic retinopathy(27.8%) and neuropathy(16.7%) in the persistent MA group were higher than those in other groups(P<0.05). The cumulative incidence for developing persistent MA was 1.4% at 13 years, 4.7% at 15 years, and 20.7% at 18 years of age. The cumulative incidence for developing persistent MA was 3.4% after 6 years, 15.6% after 7 years, and 17.8% after 8 years. In patients who were diagnosed before 11 years of age, the appearance of persistent MA was delayed until pubertal age, whereas those who were diagnosed after 11 years of age developed persistent MA earlier after diagnosis.
: These data suggest that screening for MA should be performed in children and adolescents who have had diabetes for more than 5 years, or have entered into puberty, especially those with poor metabolic control.
Key Words: Microalbuminuria, Type 1 diabetes mellitus, Chronic complications

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