Serum and urinary interleukin-6 (IL-6) levels as predicting factors of Kawasaki disease activity.

From January 1988 to Autumn 1991, 60 patients suffering from Kawasaki disease (KD) were recruited in this study. Their ages ranged from 4 months to 5 years. Diagnosis was based on the criteria revised in 1984 by the KD Research Committee in Japan. Of these, 12 cases developed coronary aneurysms. First, blood samples from 60 KD patients were taken on admission before aspirin and/or intravenous immunoglobulin (IVIG) treatment. Convalescent blood samples were taken 3 months after onset of disease. The control group included (1) 10 cases of viral infection with skin rash and fever (aged 5 months to 5 years) and (2) 10 age and sex matched normal children admitted for elective pediatric surgery such as inguinal hernia. Second, urinary samples were collected from 32 cases during the acute phase of KD. Of these, 10 cases had pyuria and/or proteinuria. The results showed that the serum IL-6 levels from KD patients during the first week of acute phase were significantly increased while undetectable in the convalescent sera and controls. There was also a statistical difference between the with and without coronary aneurysm groups during the first week (336.8 +/- 95.1 vs 125.5 +/- 56.5 pg/ml, P < 0.001). Urinary IL-6 levels were significantly elevated in KD patients with pyuria and/or proteinuria (156.6 +/- 77.7 pg/mg Cr) and undetectable in the group without pyuria and proteinuria and controls during the first week. There was no difference between with and without coronary aneurysm. These results suggest that serum IL-6 level is a useful factor for predicting formation of coronary aneurysm even within one week after onset of disease.(ABSTRACT TRUNCATED AT 250 WORDS)
AuthorsY M Chow, C Y Lin, B Hwang
JournalZhonghua Minguo xiao er ke yi xue hui za zhi [Journal]. Zhonghua Minguo xiao er ke yi xue hui (Zhonghua Min Guo Xiao Er Ke Yi Xue Hui Za Zhi) 1993 Mar-Apr Vol. 34 Issue 2 Pg. 77-83 ISSN: 0001-6578 [Print] China (Republic : 1949- )
PMID8372675 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Biomarkers
  • Interleukin-6
  • Biomarkers (analysis)
  • Child, Preschool
  • Coronary Aneurysm (etiology)
  • Female
  • Humans
  • Infant
  • Interleukin-6 (analysis, blood, urine)
  • Male
  • Mucocutaneous Lymph Node Syndrome (complications, metabolism)

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