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논문 기본 정보

자료유형
학술저널
저자정보
박희홍 (단국대학교병원 진단방사선과)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제37권 제3호
발행연도
1997.1
수록면
535 - 539 (5page)

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Purpose : To assess the difference in the appearance of the proximal humeral epiphyseal ossification center, as seen on chest radiograph, between preterm and full-term infants at the same corrected ages. Materials and Methods : Forty two preterm infants born at 26-35 weeks of gestational age and 218 normal full-term infants born at 38-42 weeks were investigated. Because of various perinatal problems, the preterm infants were treated at a neonatal intensive care unit. Proximal humeral epiphyseal ossification centers were evaluated from chest radiographs, and in cases of preterm infants, the corrected age of 0 month was defined as postconceptional 40 weeks. In preterm infants, the numbers of chest radiographs obtained were 42 at 0 month, 40 at 1 month, 37 at 2 months and 36 at 3 months of crrected age, while in those who were full-term, the numbers were 103 cases at 0 month, 42 at 1 month, 42 at 2 months and 31 at 3 months of age. In the preterm group, alkaline phosphatase, calcium, phosphorus levels and simple wrist radiographs were checked. We then evaluated the difference of appearance of the proximal humeral epiphyseal ossifiction center between preterm and full-term infants at the same corrected ages, as well as the difference between causative diseases, between the normal and abnormal serologic group and between the normal and abnormal wrist group in preterm infants at the same corrected ages. Using Fisher's exact test, the data were analysed. Results : The incidences of the proximal humeral epiphyseal ossification center in preterm infants were 2.4% (1/42) at 0 months, 20.0% (8/40) at 1 months, 43.2% (16/37) at 2 months and 69.4% (25/36) at 3 months ; in full-term infants, the figures were 24.3% (25/103) at 0 months, 66.7% (28/42) at 1 month, 83.3% (35/42) at 2 months and 90.3% (28/31) at 3 months. At 0, 1, and 2 months, the incidences were thus seen to be lower in preterm than in full-term infants(p<0.001), though at 3 months there was no difference(p>0.05). In preterm infants, there were no staistical differences between causative diseases, between the normal and abnormal serologic group and between the normal nad abnormal wrist group(p>0.05). Conclusion : Up to the age of two months, the proximal humeral epihyseal ossification center of preterm infants appears later than that of full-term infants at the same corrected age.

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