Background
Desquamation of hands and feet is a common characteristic of Kawasaki disease (KD), and occurs in 68-98% of patients diagnosed with KD. In this study, we analyzed patients’ varying desquamation levels in their hands or feet, in correlation with clinical presentation, to assess the relationship.
Method
We retrospectively reviewed children with KD who had follow-up visits in Kaohsiung Chang Gung Memorial Hospital’s pediatric outpatient department (OPD) during 2018 and 2019. We analyzed their age, laboratory data before intravenous immunoglobulin (IVIG) treatment, and coronary artery abnormalities (CAA) based on the desquamation level of their hands and feet.
Results
We enrolled a total 112 patients in the study, and 92 patients (82.1%) had hand or feet desquamation. We found the hands’ high-grade desquamation was positively associated with age and segmented neutrophil percentage (p=0.047 and 0.029, respectively) but negatively associated with lymphocyte and monocyte percentage (p=0.03 and 0.006, respectively). Meanwhile, the feet’s high-grade desquamation was positively associated with total white blood cell count (p=0.033). Furthermore, we found that high-grade hand desquamation had less probability of CAA formation compared with that of a low grade (7.1% vs. 40.8%, p=0.016). We observed no significant difference in IVIG resistance between the groups.
Conclusion
This report is the first to demonstrate that the desquamation level of hands or feet in Kawasaki disease is associated with different coronary artery abnormalities and laboratory findings. Physicians should be cautious of CAA formation, particularly in patients with low-grade hand peeling.

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Posted 26 Mar, 2020
Posted 26 Mar, 2020
Background
Desquamation of hands and feet is a common characteristic of Kawasaki disease (KD), and occurs in 68-98% of patients diagnosed with KD. In this study, we analyzed patients’ varying desquamation levels in their hands or feet, in correlation with clinical presentation, to assess the relationship.
Method
We retrospectively reviewed children with KD who had follow-up visits in Kaohsiung Chang Gung Memorial Hospital’s pediatric outpatient department (OPD) during 2018 and 2019. We analyzed their age, laboratory data before intravenous immunoglobulin (IVIG) treatment, and coronary artery abnormalities (CAA) based on the desquamation level of their hands and feet.
Results
We enrolled a total 112 patients in the study, and 92 patients (82.1%) had hand or feet desquamation. We found the hands’ high-grade desquamation was positively associated with age and segmented neutrophil percentage (p=0.047 and 0.029, respectively) but negatively associated with lymphocyte and monocyte percentage (p=0.03 and 0.006, respectively). Meanwhile, the feet’s high-grade desquamation was positively associated with total white blood cell count (p=0.033). Furthermore, we found that high-grade hand desquamation had less probability of CAA formation compared with that of a low grade (7.1% vs. 40.8%, p=0.016). We observed no significant difference in IVIG resistance between the groups.
Conclusion
This report is the first to demonstrate that the desquamation level of hands or feet in Kawasaki disease is associated with different coronary artery abnormalities and laboratory findings. Physicians should be cautious of CAA formation, particularly in patients with low-grade hand peeling.

Figure 1

Figure 2

Figure 3

Figure 4
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