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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2020, Vol. 14 ›› Issue (03): 258-263. doi: 10.3877/cma.j.issn.1674-1358.2020.03.014

Special Issue:

• Research Article • Previous Articles     Next Articles

Clinical characteristics of children with influenza A and Kawasaki disease

Yang Zhao1, Caiying Wang1, Gang Wan2, Xinxin Zhang3, Shuxin He1, Yiwei Hao2, Lin Pang1,()   

  1. 1. Department of Pediatrics, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    2. Department of Medical Records, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
    3. Department of Party Committee Office, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
  • Received:2020-02-28 Online:2020-06-15 Published:2020-06-15
  • Contact: Lin Pang
  • About author:
    Corresponding author: Pang Lin, Email:

Abstract:

Objective

To analyze the clinical features of influenza A complicated with Kawasaki disease (KD) in children and enhance its early identification.

Methods

The medical records of 682 cases with laboratory-confirmed influenza A in Beijing Ditan Hospital, Capital Medical University from January 1st, 2018 to December 31st, 2019 were analyzed, retrospectively. Among whom, 14 children with influenza A virus infection complicated with KD were collected as KD+influenza A group. While 28 cases with KD meeting the inclusion criteria and exclusion criteria were selected as KD group, and 28 cases with influenza A alone as influenza A group, respectively. The clinical manifestations, duration of fever and incidence of coronary artery disease were compared between KD+influenza A group and KD group. The levels of white blood cell (WBC), neutrophil percentage, lymphocyte percentage, platelet, rapid C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), procalcitonin (PCT), serum amyloid protease A (SSA), albumin, aminotransferase and myocardial enzyme were compared among KD+influenza A group, KD group and influenza A group, respectively.

Results

The duration of fever in children of KD+influenza A group [(11.21 ± 3.36) d] was significantly longer than that of KD group [(6.29 ± 2.21) d], with significant difference (t = 5.81, P < 0.001). The levels of WBC [(13.18 ± 4.39) × 109/L], ESR [(60.5 ± 15.82) mm/h], CPR [55.5 (17.56, 61.0) g/L], SSA [76.5 (23.0, 311.6) mg/L] and alanine aminotransferase (ALT) [49.5 (23.1, 78.0) U/L] of cases in KD group were significantly higher than those of KD group and influenza A group, with significant differences (F = 27.92, P < 0.001; F = 47.97, P < 0.001; Z = 3.15, P = 0.007; Z = 4.36, P < 0.001; Z = 2.68, P = 0.027). The probability of coronary artery dilation of cases in KD+influenza A group was higher than that of KD group (57.0% vs. 25.0%), with significant difference (χ2 = 4.2, P = 0.041). The incidence rate of non-response to intravenous immunoglobulin (IVIG) of cases in KD+influenza A group was significantly higher than that of KD group (42.9% vs. 14.3%), with significant difference (χ2 = 4.1, P = 0.041).

Conclusions

The duration of fever and period of definite diagnosis were longer, the incidence rate of non-response to IVIG was higher, and the levels of serum SSA and ALT increased significantly in children with influenza A and KD.

Key words: Children, Kawasaki disease, Influenza A

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