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[Clinical features of children with incomplete Kawasaki disease]
Chang Peng1, Yue-Jing Luo, Qian-Lu Xing
1Department of Pediatrics, Affiliated Hospital of Zunyi Medical College, Zunyi, Guizhou 563000, China. pengchang_2006@126.com.
Insights
Incomplete Kawasaki disease (IKD) presents with atypical symptoms in children. Liver function tests, serum hyponatremia, and IL-6 levels may aid in early IKD diagnosis, despite a higher risk of coronary artery lesions.
Area of Science:
- Pediatrics
- Rheumatology
- Infectious Diseases
Background:
- Kawasaki disease (KD) is a leading cause of acquired heart disease in children.
- Incomplete Kawasaki disease (IKD) presents with fewer than the classic diagnostic criteria, posing diagnostic challenges.
Purpose of the Study:
- To delineate the clinical characteristics of IKD in children.
- To establish diagnostic references for early IKD detection.
Main Methods:
- Retrospective analysis of clinical data from 22 children with IKD.
- Comparison with 63 children diagnosed with KD and 20 febrile children as controls.
- Statistical analysis of clinical and laboratory findings.
Main Results:
- All children presented with pyrexia.
- IKD group showed fewer limb changes, conjunctival hyperemia, and cervical lymphadenectasis compared to KD.
- IKD group had elevated glutamic-pyruvic transaminase, but lower albumin, serum sodium, and IL-6 levels.
- IKD group exhibited a higher incidence of coronary artery lesions than the KD group.
Conclusions:
- Clinical presentation of IKD is often atypical.
- Liver function tests, serum hyponatremia, and IL-6 levels are potential biomarkers for diagnosing IKD.
- Early diagnosis of IKD is crucial due to increased risk of coronary artery lesions.
Objective:
To investigate the clinical features of children with incomplete Kawasaki disease (IKD), and to provide reference for the early diagnosis of IKD.
Methods:
The clinical data of 22 hospitalized children with IKD were analyzed retrospectively and compared with the data of 63 children with Kawasaki disease (KD) who were hospitalized during the same period of time. Another 20 children with pyrexia were enrolled as the control group.
Results:
Pyrexia was observed in all children. Compared with the KD group, the IKD group had significantly lower proportions of children with changes in the limbs, conjunctival hyperaemia, and cervical lymphadenectasis (P<0.05), a significantly higher serum level of glutamic-pyruvic transaminase (P<0.05), and significantly lower levels of plasma albumin, serum sodium, and interleukin-6 (P<0.05). There was no significant difference in the rate of γ-globulin application between the IKD and KD groups; however, the IKD group had a significantly higher incidence rate of coronary artery lesion than the KD group (P<0.05).
Conclusions:
The symptoms and signs in children with IKD are untypical. The liver function test and serum hyponatremia and IL-6 measurements may be useful for the diagnosis of IKD.
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