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要約 目的:長崎県下での未熟児網膜症の現状の報告。対象と方法:2004年までの3年間に,長崎県の4施設の眼科に紹介された出生体重1,500g以下の未熟児236例471眼を対象とした。網膜症の重症化因子を統計学的に検討した。結果:未熟児網膜症は141例289眼(61%)に発症し,77眼に治療が行われた。重症例は,在胎期間が25~28週,出生体重が750~1,000g未満に多かった。重症化因子として,出生体重,在胎週数,輸血歴に有意差があった。結論:輸血により未熟児網膜症が悪化する可能性がある。
Abstract. Purpose:To report the current status about retinopathy of prematurity(ROP). Cases and Method:This retrospective survey was made on 471 eyes of 236 premature infants seen during 3 years through 2004 in 4 institutions in Nagasaki Prefecture. By definition, they weighed 1,500g or less at birth. Statistical analysis was made to identify risk factors for ROP. Results:ROP was present in 289 eyes of 141 infants(61%). Treatment had to be performed for 77 eyes with advanced ROP. Severe cases tended to have gestational age of 25 to 28 weeks and birthweight between 750 and 1,000g. Low birthweight, short gestational age, and history of blood transfusion were identified as significant risk factors for ROP. Conclusion:Blood transfusion is a risk factor for progression of ROP.
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