Value of anti-neutrophil cytoplasmic antibody in diagnosis of Kawasaki disease

JIANG Zhi-Gui; LIU Ling; YANG Cui-Yan; WU Jie

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Chinese Journal of Contemporary Pediatrics ›› 2012, Vol. 14 ›› Issue (1) : 45-47.

CLINICAL RESEARCH

Value of anti-neutrophil cytoplasmic antibody in diagnosis of Kawasaki disease

JIANG Zhi-Gui, LIU Ling, YANG Cui-Yan, WU Jie

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Abstract

OBJECTIVE: To study the value of anti-neutrophil cytoplasmic antibody (ANCA) in diagnosis of Kawasaki disease (KD). METHODS: Serum ANCA was detected in 30 children with typical Kawasaki disease (TKD) and in 16 with incomplete Kawasaki disease (IKD) in the acute and the recovery phases respectively. Twenty-five healthy children were randomly selected as a control group. An ultrasonic cardiography (UCG) was performed on children with KD in the acute phase. RESULTS: The mean positive rate of serum ANCA in the acute phase in KD children was 65%, with 69% in IKD children and 63% in TKD children, which were obviously higher than that in the control group (P＜0.01). The positive rate of serum ANCA in the recovery phase in KD children was significantly lower than that in the acute phase (33％ vs 65％, P＜0.05). The positive rate of serum ANCA in the acute phase in children with KD was significantly higher than that detected by UCG (P＜0.01). The incidence rate of coronary artery lesions in children with positive ANCA was obviously higher than that in children with negative ANCA (43％ vs 13％; P＜0.05). CONCLUSIONS: Serum ANCA may be used as a reference index for early diagnosis of KD and secondary coronary artery lesions in children.

Key words

Kawasaki disease / Anti-neutrophil cytoplasmic antibody / Coronary artery lesion / Child

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JIANG Zhi-Gui, LIU Ling, YANG Cui-Yan, WU Jie. Value of anti-neutrophil cytoplasmic antibody in diagnosis of Kawasaki disease[J]. Chinese Journal of Contemporary Pediatrics. 2012, 14(1): 45-47

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