１歳半健診からみた幼児しん出性中耳炎の検討 追跡調査

Abstract

During the past 4.5 years screening tests using tympanometry (TM) for otitis media with effusion (OME) were performed as part of the routine medical examination of 13, 315 children at one and a half-years of age in Matsuyama City.1) In the first screening, B or C type TM was recorded in 3, 969 of the 13, 315 children (29.8%).2) In the second screening, B or C type TM was found in 1, 475 of the 3, 969 children (11.1%).3) In the third screening, 1, 067 (1, 804 ears) of the 1, 475 children could be followed in detail at the Ehime Prefectural Rehabilitation Center for the Physically Handicapped.4) In 1, 015 of the 1, 804 ears, B or C type TM was noted at the first examination in the center.5) Examinations were performed without treatment on 534 of the 1, 015 ears (52.6%). TM and ear drum abnormalities returned normal spontaneously in 526 of the 534 ears (51.8%).6) 481 of the 1, 015 ears (47.4%) were treated in the offices of other otorhinolaryngists. The TM and ear drum findings were later restored to normal in 393 of the 481 ears (38.7%).7) In the children who were followed for longer than three years, TM and ear drum findings were restored to normal within six months in 65.0%. However, 7.6% of those children have not yet been cured.