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¼Ò¾Æ¿¡¼­ È£±â³» ¼ö¼Ò°Ë»ç¸¦ ÀÌ¿ëÇÑ À¯´ç Èí¼öÀå¾Ö À¯º´·ü Prevalence of Lactose Malabsorption in Children by Breath Hydrogen Test

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Á¤ÁÖ¿µ ( Chung Ju-Young ) 
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¹è¼±È¯ ( Bae Sun-Hwan ) 
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ÃÖ±¤ÇØ ( Choi Kwang-Hae ) 
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°íÀ缺 ( Ko Jae-Sung ) 
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¼­Á¤±â ( Seo Jeong-Kee ) 
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Abstract

¸ñÀû: ±¹³» ¼Ò¾Æ¿¡¼­ À¯´ç Èí¼öÀå¾Ö À¯º´·üÀÌ º¯È­ÇÏ´Â ¿¬·ÉÀ» ÆľÇÇÏ°í »ý¸®Àû ¿ë·®ÀÇ À¯´çºÎÇÏ È£±â ¼ö¼Ò°Ë»ç ½Ã À¯º´·üÀ» ¾Ë¾Æº¸°íÀÚ º» ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.

¹æ¹ý: 1998³â 5¿ùºÎÅÍ 1998³â 8¿ù±îÁö ¼­¿ïÀÇ ÃʵîÇб³ ¹× À¯Ä¡¿ø ÇÑ °÷, ¾î¸°ÀÌÁý µÎ °÷ÀÇ °Ç°­ÇÑ ¼Ò¾Æ¸¦ ´ë»óÀ¸·Î Ç¥ÁØ À¯´çºÎÇÏ È£±â³» ¼ö¼Ò°Ë»ç´Â »ýÈÄ 25°³¿ù¿¡¼­ 96°³¿ù±îÁö ÃÑ 129¸í(³²¾Æ 75¸í, ¿©¾Æ 52¸í), »ý¸®Àû ¿ë·®ÀÇ À¯´çºÎÇÏ È£±â³» ¼ö¼Ò°Ë»ç´Â »ýÈÄ 25°³¿ù¿¡¼­ 84°³¿ù±îÁö ÃÑ 126¸í(³²¾Æ 72¸í, ¿©¾Æ 51¸í)¿¡¼­ ½ÃÇàÇÏ¿´´Ù. È£±â °Ëü´Â°øº¹½Ã ±âÀúÄ¡, À¯´çºÎÇÏ 60ºÐ, 120ºÐ ÈÄ¿¡ °¢°¢ ¼öÁýÇÏ¿© Model 12i Microlyzer (Quintron, USA)¸¦ ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù.

°á°ú: 1) Ç¥ÁØ À¯´çºÎÇÏ È£±â³» ¼ö¼Ò°Ë»ç¿¡¼­ À¯´ç Èí¼öÀå¾ÖÀÇ À¯º´·üÀº »ýÈÄ 25¡­36°³¿ù¿¡¼­ 7%, »ýÈÄ 37¡­48°³¿ù¿¡¼­ 19%, »ýÈÄ 49¡­60°³¿ù¿¡¼­ 35%, »ýÈÄ 61¡­72°³¿ù¿¡¼­ 55%, »ýÈÄ 73¡­84°³¿ù¿¡¼­ 82%, »ýÈÄ 84¡­96°³¿ù¿¡¼­ 80%¿´´Ù. 2) Ç¥ÁØ À¯´çºÎÇÏ È£±â³» ¼ö¼Ò°Ë»ç¿¡¼­ À¯´çºÒ³»¼ºÀÇ À¯º´·üÀº »ýÈÄ 25¡­36°³¿ù¿¡¼­ 0%, »ýÈÄ 37¡­48°³¿ù¿¡¼­ 9%, »ýÈÄ 49¡­60°³¿ù¿¡¼­ 17%, »ýÈÄ 61¡­72°³¿ù¿¡¼­ 22%, »ýÈÄ 73¡­84°³¿ù¿¡¼­ 41%, »ýÈÄ 84¡­96°³¿ù¿¡¼­ 70%¿´´Ù. 3) »ý¸®Àû ¿ë·®ÀÇ À¯´çºÎÇÏ È£±â³» ¼ö¼Ò°Ë»ç¿¡¼­ »ýÈÄ 25°³¿ùºÎÅÍ 84°³¿ù±îÁö ÃÑ 126¸íÀÇ ¼Ò¾Æ Áß ÇÑ ¸í¿¡¼­¸¸ À¯´ç Èí¼öÀå¾Ö¸¦ º¸¿´À¸¸ç À¯´çºÒ³»¼ºÀº ÇÑ¸íµµ ¾ø¾ú´Ù.
°á·Ð: Çѱ¹ÀÎ ¼Ò¾ÆÀÇ À¯´ç Èí¼öÀå¾Ö À¯º´·üÀº »ýÈÄ 37°³¿ùºÎÅÍ 60 °³¿ù¿¡ Áõ°¡ÇÏ¸ç »ýÈÄ 72°³¿ù ÀÌÈÄ¿¡´Â ¼ºÀÎÀÇ À¯º´·ü¿¡ µµ´ÞÇÏ°Ô µÈ´Ù. À¯´ç Èí¼öÀå¾Ö±º¿¡¼­µµ »ý¸®Àû ¿ë·®ÀÇ À¯´çÀ» Æ÷ÇÔÇÑ ¿ìÀ¯ÀÇ ¼·Ãë´Â ÀÓ»óÀûÀ¸·Î ¹®Á¦°¡ µÇÁö ¾ÊÀ½À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.

Purpose: The aim of this study was to investigate the age of onset and the prevalence of lactose malabsorption in early childhood in Korea.

Methods: We conducted a study of lactose malabsorption by breath hydrogen test in healthy children aged between 25¡­96 months old. Standard lactose loading (2 g lactose/§¸, maximum 40 g) test was done in 129 children and cow¡¯s milk (10 §¢/§¸) loading in 126 children followed by breath sampling of 60 and 120 minutes after the loading. An
increase above baseline of 20 ppm or more was used as a criteria for positive responses.

Results: The prevalence of lactose malabsorption was 7% in 25¡­36 months old, 19% in 37¡­48 months old, 35% in 49¡­60 months old, 55% in 61¡­72 months old, 82% in 72¡­84 months old, 80% in 85¡­96 months old children. Only 1% of the children showed positive result in breath hydrogen test after the cow¡¯s milk challenge.

Conclusion: The prevalence of lactose malabsorption was increased between 37 months and 60 months of age, reached to adult level of prevalence after 72 months of age. When physiological dose of lactose was used as the challenge, the number of lactose malabsorbers become clinically insignificant.

Å°¿öµå

Lactose malabsorption;Breath hydrogen test;Children

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KCI
KoreaMed
KAMS