Abnormal ECG findings observed in adolescents with Kawasaki disease

מתוך medicontext.co.il
NEW YORK (Reuters Health) – Adolescents with Kawasaki disease tend to have abnormal electrocardiographic (ECG) findings, according to a report in the January issue of the Archives of Pediatrics and Adolescent Medicine.

In a population-based cohort study, Dr. Yosikazu Nakamura, of the Jichi Medical School, Tochigi, Japan, and colleagues examined whether there are differences in height, weight, and ECG abnormalities at age 13 years between adolescents with Kawasaki disease and those without the disorder.

The researchers compared data from the nationwide surveys of Kawasaki disease in Japan with those from first-year junior high school medical examinations between April 1, 1986, and June 30, 1998.

"Eight hundred sixty students (486 adolescent boys and 374 adolescent girls) with Kawasaki disease and 308,729 students (158,193 adolescent boys and 150,536 adolescent girls) without Kawasaki disease were located," the team notes. They observed no differences in average height and weight between the subjects with and without Kawasaki disease.

Ten percent of the adolescents with Kawasaki disease had abnormal ECG findings, compared with 3% of those without Kawasaki disease. An incomplete right bundle branch block and right axis deviation accounted for 57% of the abnormal ECG findings in adolescents with Kawasaki disease, Dr. Nakamura and colleagues explain.

"We believe that adolescent patients with Kawasaki disease will become part of the pool of adult patients with heart disease," they write. The investigators therefore recommend that pediatricians and internists continue to follow their patients with Kawasaki disease. In addition, Dr. Nakamura's group believes that long-term follow-up studies of these patients are "essential."

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