Comparison of Intervals to Peak Values of Laboratory Findings in Patients with Coronary Complication to Those without Complication in Kawasaki Disease

ABSTRACT

PURPOSE: Intravenous immune globulin(IVIG) as a treatment for the Kawasaki disease (KD) has reduced the coronary complications. But, some patients suffer from coronary complication despite early IVIG infusion, and it is difficult to discriminate the susceptible patients in the acute phase. It is also challenging to decide additional therapy in cases showing fever after IVIG therapy. We investigated the relationship between intervals from the onset of fever to the day of peak laboratory values and coronary complications. METHODS: We reviewed the charts of KD patients with coronary aneurysm(group A, n=13) and without aneurysm(group B, n=35). All patients got IVIG therapy early in the acute phase and additional therapy in cases fever recurred. We counted the days from onset of fever to the peak level of acute phase reactants and analyzed the differences between two groups with t-test. RESULTS: In the comparison of two groups, the mean intervals from the onset of fever to peak CRP level was 9.23+/-4.71 days in group A, 6.63+/-2.47 days in group B. The mean intervals to peak ESR was 13.31+/-7.06 days in group A, 8.37+/-3.01 days in group B. The mean intervals to highest platelets counts was 14.62+/-4.96 days in group A, 11.14+/-3.59 days in group B. All of these results showed statistically significant differences. CONCLUSION: Our results show that the KD patients with coronary aneurysm have longer intervals between the onset of fever to day of peak acute reactants in spite of the aggressive treatment than those without aneurysm. So, in cases of KD with relapsing fever in spite of IVIG and the acute reactants are in the course of increment, additional immune modulation therapy and short term follow ups with echocardiography would be needed.