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À̼ºÈñ ( Lee Seong-Hee ) 
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Â÷ÇÑ ( Tchah Hann ) 
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¹ÚÈ£Áø ( Park Ho-jin ) 
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±èÈ­Áß ( Kim Hwa-Jung ) 
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¿ÀÀçö ( Oh Jae-Cheol ) 
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ÇÑÇýÁ¤ ( Han Hae-jeong ) 
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±èÈñ¼· ( Kim Hee-Sup ) 
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À̹ÎÁø ( Lee Min-Jin ) 
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ÀÌ»óõ ( Lee Sang-Chun ) 
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½Å¹Ì°æ ( Shin Mi-Kyeong ) 
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Abstract

¸ñÀû : ¼Ò¾Æºñ¸¸ÀÇ Áß¿äÇÑ ÇÕº´Áõ Áß ÇϳªÀÎ Áö¹æ°£À» Áø´ÜÇÔ¿¡ ÀÖ¾î ALTÄ¡¿Í CT ¹× °£»ý°Ë ¼Ò°ß°£ÀÇ »ó°ü°ü°è¸¦ »ìÆ캽À¸·Î½á, ¼±º°°Ë»ç·Î¼­ ALTÄ¡ÀÇ À¯¿ë¼º°ú È®Áø°Ë»ç·Î¼­ CT ¹× °£»ý°ËÀÇ Çʿ伺À» ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

´ë»ó ¹× ¹æ¹ý : 1990³â 3¿ùºÎÅÍ 1997³â 12¿ù±îÁö ¼­¿ïÀû½ÊÀÚº´¿ø ¼Ò¾Æ°ú¿¡ ³»¿øÇÏ¿© ´Ü¼øºñ¸¸À¸·Î Áø´Ü ¹ÞÀº 78¸í Áß Áö¹æ°£ Áø´ÜÀ» À§ÇØ CT¸¦ ½Ç½ÃÇÑ 26¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´À¸¸ç,»ýÈ­Çа˻ç Áß Áö¹æ°£ÀÇ ¼±º°°Ë»ç·Î¼­ º¸´Ù ƯÀ̼ºÀÌ ³ôÀº ALTÄ¡°¡ Áö³ªÄ¡°Ô ³ô°Å³ª ºñ¸¸µµ°¡ ½ÉÇÑ ºñ¸¸¾Æµé Áß 15·Ê¿¡¼­ °£»ý°ËÀ» ½Ç½ÃÇÏ¿´´Ù. À̵éÀ» ALTÄ¡¿¡ µû¶ó 3°³ ±ºÀ¸·Î ºÐ·ùÇÏ°í °¢ ±ºº°·Î ½Åü°èÃøÁö¼ö, CT ¹× °£»ý°Ë»ó Áö¹æħÂøµµ °£ÀÇ »ó°ü°ü°è¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù.

°á°ú : 1) ALTÄ¡¿Í ½Åü°èÃøÁö¼ö°£ÀÇ »ó°ü°ü°è: ´ë»óºñ¸¸¾Æ 26·Ê Áß ALTÄ¡´Â 17·Ê(63.4%)¿¡¼­ ÀÌ»ó »ó½Â(>30 IU/L)µÇ¾úÀ¸³ª, ALTÄ¡ÀÇ »ó½Â°ú ½Åü°èÃøÁö¼öµé(ºñ¸¸µµ, RI, BMI, üÁö¹æ·ü) °£¿¡´Â À¯ÀÇÇÑ »ó°ü°ü°è°¡ ¾ø¾ú´Ù(p>0.05).2) CT»ó Áö¹æħÂøµµ¿Í ALTÄ¡ ¹× ½Åü°èÃøÁö¼ö°£ÀÇ »ó°ü°ü°è: 26·Ê Áß 13·Ê(50%)¿¡¼­ CT»ó Á¤»óÀ̾ú°í, ³ª¸ÓÁö 13·Ê´Â Á¤µµÀÇ Â÷ÀÌ´Â ÀÖÀ¸³ª ¸ðµÎ °£À½¿µÀÌ Áõ°¡µÈ Áö¹æ°£ ¼Ò°ßÀ» º¸¿´´Ù. CT»ó Áö¹æ°£ÀÇ Á¤µµ¿Í ALTÄ¡ÀÇ »ó½Â°£¿¡´Â À¯ÀÇÇÑ »ó°ü°ü°è°¡ ÀÖ¾úÀ¸³ª (p=0.01), ½Åü°èÃøÁö¼ö¿Í´Â À¯ÀÇÇÑ »ó°ü°ü°è°¡ ¾ø¾ú´Ù(p>0.01). 3) °£ »ý°Ë»ó Áö¹æ°£ÀÇ Á¤µµ¿Í ºñ¸¸µµ, ALTÄ¡¿ÍÀÇ »ó°ü°ü°è: 26·Ê Áß 15·Ê¿¡¼­ °£ »ý°ËÀ» ½Ç½ÃÇÑ °á°ú, 1·Ê¿¡¼­ Á¤»óÀ̾ú°í ³ª¸ÓÁö 14·Ê¿¡¼­ ¸ðµÎ Áö¹æ°£ ¼Ò°ßÀ» º¸¿´´Ù. ±×·¯³ª °£ »ý°Ë»ó Á¤»óÀÎ 1·Ê´Â °íµµºñ¸¸À̾úÀ¸³ª ALTÄ¡´Â Á¤»óÄ¡¿´°í, ÁߵÀÇ Áö¹æ°£ ¼Ò°ß º¸ÀÎ 3·Ê Áß 1·Ê´Â °íµµºñ¸¸À̾úÀ½¿¡µµ ALTÄ¡´Â Á¤»óÀ̾úÀ¸¸ç 2·Ê´Â ALTÄ¡°¡ Á¤»óÀ̰ųª ¾à°£ Áõ°¡ÇÏ¿´À¸¸ç, ½ÉÇÑ Áö¹æ°£ ¼Ò°ß º¸ÀÎ 9·Ê Áß 1·Ê´Â °æÇÑ ºñ¸¸À̾úÀ¸³ª ALT´Â 158 IU/L·Î ½ÉÇÑ »ó½ÂÀ» º¸¿´´Ù. °£ »ý°Ë»ó Áö¹æ°£ÀÎ 14·Ê¸¦ Áö¹æħÂøµµ¿¡ µû¶ó 3°³ ±ºÀ¸·Î ºÐ·ùÇÏ¿© ºñ¸¸µµ¿Í ALTÄ¡¸¦ ºñ±³ºÐ¼®ÇÑ °á°ú ºñ¸¸µµ¿Í °£ »ý°Ë ¼Ò°ß°£¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾úÀ¸³ª(p>0.05), ALTÄ¡¿Í °£ »ý°Ë»ó Áö¹æ°£ÀÇ Á¤µµ°£¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(p=0.01).
4) CT¿Í °£ »ý°Ë ¼Ò°ß°£ÀÇ »ó°ü°ü°è: 26·Ê Áß 15·Ê¿¡¼­ CT¿Í °£ »ý°Ë ¸ðµÎ¸¦ ½ÃÇàÇÑ °á°ú, CT»ó 6·Ê´Â Á¤»óÀ̾ú°í, CT»ó Áö¹æ°£ ¼Ò°ß º¸ÀÎ 9·Ê¿¡¼­´Â °£ÀÇ Áö¹æħÂøµµ¿¡ µû¸¥ À½¿µÀÇ º¯È­¸¦ ±âÁØÀ¸·Î ÇÑ CT¼Ò°ß°ú °£ »ý°Ë»ó Áö¹æħÂøµµ°£¿¡ À¯ÀÇÇÑ »ó°ü°ü°è¸¦ º¸¿´´Ù (r=0.6094).

°á·Ð : ÃÖ±Ù ¼Ò¾Æºñ¸¸ÀÌ ±ÞÁõ Ãß¼¼¿¡ ÀÖ°í ±×¿¡ µû¸¥ ¿©·¯ °¡Áö ÇÕº´ÁõµéÀº ¹°·Ð ¼ºÀκñ¸¸À¸·Î ÀÌÇàµÉ ¼ö ÀÖÀ¸¹Ç·Î Çб³º¸°Ç µîÀ» ÅëÇØ °æ°¢½ÉÀ» ³ôÀ̵µ·Ï ÇØ¾ß Çϸç, ƯÈ÷ ºñ¸¸¿¡ µû¸¥ Áö¹æ°£À» Áø´ÜÇϱâ À§ÇÑ ¼±º°°Ë»çÀÎ ALTÄ¡ µî »ýÈ­ÇÐÀûÀÎ °£ ±â´É °Ë»ç·Î´Â °£ ¼Õ»ó Á¤µµ¸¦ Æò°¡ÇÒ ¼ö ¾ø±â ¶§¹®¿¡ º¸´Ù Àúºñ¿ëÀÌ¸ç ºñħ½ÀÀûÀÎ ÃÊÀ½Æİ˻縦 Àû±Ø È°¿ëÅä·Ï ÇÏ°í ¼±º°°Ë»ç µîÀ¸·Î ¼±Á¤µÈ °íÀ§Ç豺¿¡ ´ëÇؼ­´Â °£ »ý°ËÀ» ÅëÇØ °£ ¼Õ»ó Á¤µµ¸¦ Á¤È®È÷ Æò°¡ÇÏ°í Áö¼ÓÀûÀ¸·Î ÃßÀû °ü¸®ÇØ¾ß ÇÒ °ÍÀÌ´Ù.

Purpose : The purpose of our study is to provide useful information for diagnostic methods of fatty liver by childhood simple obesity and to provide correlation between serum alanine aminotransferase (ALT) for screening test and abdominal computerized tomography (CT) and liver biopsy for confirmative diagnostic methods of fatty liver.

Methods : Among 78 obese childrens who visited our hospital, CT was carried out in 26 childrens. Of these, liver biopsy was carried out in 15 childrens who had high obesity index or severe elevated ALT, Based oil the level of serum ALT, 26 cases were classified into 3 groups, and compared with physical measurements and degree of fatty infiltration on CT and liver biopsy.

Results : 1) Correlation between ALT and physical measurements: Of 26 obese children, ALT was abnormally elevated (>30 IU/L) in 17 cases (67.4%) but there was no significant correlation between ALT and physical measurements (p>0.05). 2) Correlation between degree of fatty infiltration on CT and ALT: Of 26 cases, 13 cases (50%) revealed fatty liver on CT. The degree of fatty liver on CT had significant correlation with elevation of ALT (p<0.05). 3) Correlation between the degree of fatty infiltration on liver biopsy and ALT: Liver biopsy was performed in 15 cases of which 14 cases revealed fatty liver. But one case had normal hepatic histology with severe obesity and normal ALT. Fourteen fatty liver cases on liver biopsy were classified into 3 groups by the degree of fatty infiltration and analysed with obesity index and ALT. The histologic hepatic steatosis had no significant correlation with obesity index (p>0.05), but significant correlation with ALT
(p<0.05). 4) Correlation between CT and liver biopsy finding: Both CT and liver biopsy were performed in 15 cases of which 6 cases revealed normal finding on CT and 9 cases manifested fatty liver. There was significant correlation between CT and liver biopsy findings (r=0.6094).

Conclusion : The results of our study suggest that abdominal CT and liver biopsy are useful and accurate methods of estimating fatty liver in the childhood obesity. But biochemical abnormalities of routine liver function tests dot not correlate well with severity of the fatty liver and liver injury.

Å°¿öµå

Obesity; Fatty liver; Child; Serum ALT; Abdominal CT; Liver biopsy;

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