一宮市立市民病院における未熟児網膜症の検討

Review of retinopathy of prematurity at Ichinomiya Hospital

要約　目的：過去5年間の未熟児網膜症の自験例の報告。対象と方法：2009年までの5年間に一宮市民病院眼科で扱った出生体重が2,500g未満の低出生体重児264例を診療録に基づいて検索した。男児131例，女児133例で，単胎208例，双胎52例，品胎4例である。結果：未熟児網膜症の発症率は39.8％，光凝固は11.7％に行われた。出生体重が1,000g以下の超低出生体重児57例では，未熟児網膜症が93％，光凝固が37％に行われた。網膜光凝固後に3例に網膜剝離が生じた。これ以外の症例では，瘢痕期の未熟児網膜症はすべて病期1度以下であった。結論：当院での未熟児網膜症は，発症率と光凝固による治療率が従来の他施設とほぼ同様であった。

Abstract.　Purpose：To report the status of retinopathy of prematurity（ROP）during the past 5 years. Cases and Method：This retrospective study was made on 264 low-birthweight babies who weighed less than 2,500 g from 2004 through 2009. The series comprised 131 male and 133 female babies. They were born as single birth in 208 cases,as twins in 52 cases,and as triplets in 4. Findings：ROP was present in 39.8％ in the whole series. Photocoagulation was performed on 11.7％ of cases. In 57 babies with birthweight of 1,000 g or less,ROP was present in 93％ and photocoagulation was performed on 37％. Retinal detachment developed following photocoagulation in 3 cases. In the remaining cases,ROP in the cicatricial stage was stage 1 or less. Conclusion：Incidence and severity of ROP in our hospital was about the same as those reported from other institutions.