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  • Title: Long-term follow-up of coronary artery lesions in children in Kawasaki syndrome.
    Author: Maccora I, Calabri GB, Favilli S, Brambilla A, Trapani S, Marrani E, Simonini G.
    Journal: Eur J Pediatr; 2021 Jan; 180(1):271-275. PubMed ID: 32556506.
    Abstract:
    To describe clinical and epidemiological characteristics of a Kawasaki syndrome cohort. In a monocentric, retrospective, observational study, between February 1982 and August 2018, we enrolled 361 children, aged 1 month to 24.4 years. Coronary artery lesions were detected in 20.2% of patients: 16% had coronary ectasia, and 4.15% had coronary aneurisms. A significant difference regarding age at disease onset (p = 0.025), fever duration (p < 0.0001), CRP (p = 0.001) and day of first IVIG administration (p < 0.0001) was detected among group. A significant correlation between coronary artery lesions and disease onset < 6 months (p = 0.009), second IVIG dose (p < 0.001) and male gender (p = 0.038) has been detected. Median long-term follow-up was 10.2 years (1-36 years). At the last available follow-up, patients without coronary involvement and coronary ectasia had normal cardiological tests, conversely, in patients with aneurisms, 8/13 showed persistent aneurisms at echocardiography, one ECG repolarization alterations, and one ST depression at the peak of effort during ergometric test.Conclusion: Children with lower age, longer fever, higher level of CRP and retard in IVIG administration are at higher risk to develop coronary artery lesions. Our long-term follow-up analysis confirms, over 36 years of observation, the benign course of Kawasaki syndrome even in coronary artery lesion patients, if timely treated. What is already known about this topic? • Stopping cardiologic assessment in no risk patients results economically advantageous, timesaving and able to reduce emotional discomfort in children and their families. • Age at disease onset, fever duration, CRP level, and day of first IVIG administration are possible risk factors for coronary artery lesions What is New? • During 36 years of observation in real life, our study shows the benign course of Kawasaki syndrome without coronary artery lesions after 6-8 weeks from the disease onset. • Age < 6 months at disease onset is strongly related with coronary artery lesion development.
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