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Urine endothelin-1 as a Biomarker for Urinary Tract Infections in Children
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±âÇü¹Î(Kee Hyung-Min) - Áß¾Ó´ëÇб³ Àǰú´ëÇÐ ¼Ò¾ÆÃ»¼Ò³â°úÇб³½Ç
ÀÌ´ë¿ë(Lee Dae-Yong) - Áß¾Ó´ëÇб³ Àǰú´ëÇÐ ¼Ò¾ÆÃ»¼Ò³â°úÇб³½Ç
À±±â¿í(Yun Ki-Wook) - Áß¾Ó´ëÇб³ Àǰú´ëÇÐ ¼Ò¾ÆÃ»¼Ò³â°úÇб³½Ç
ÀÓÀμ®(Lim In-Seok) - Áß¾Ó´ëÇб³ Àǰú´ëÇÐ ¼Ò¾ÆÃ»¼Ò³â°úÇб³½Ç
Abstract
¸ñÀû: ¿ä·Î°¨¿°Àº Ưº°ÇÑ °¡ ¾ø´Â ¿µ¾Æ³ª ¼Ò¾Æ¿¡¼ ÈçÇÑ ¼¼±Õ °¨¿°À¸·Î ¿ä·Î°¨¿°Àº ¼Òº¯¹è¾ç°Ë»ç¸¦ ÅëÇÏ¿© Áø´ÜµÇ¸ç, ºü¸£°í Á¤È®ÇÑ Áø´Ü°ú Ä¡·á°¡ Áß¿äÇÏ´Ù. ÇÏÁö¸¸ ¹è´¢Á¶ÀýÀÌ Àß ¾ÈµÇ´Â ¼Ò¾Æ¿¡¼ Áø´Ü °úÁ¤¿¡¼ ¿À·ù°¡ ¹ß»ýÇϱ⽱´Ù. Urine Endothelin-1 (ET-1)Àº »ç±¸Ã¼ Ç÷°ü ¼Õ»ó ½Ã»ç±¸Ã¼°£Áú ¼¼Æ÷¿¡¼ ³ª¿À´Â ¹°Áú·Î À̸¦ ÅëÇÏ¿©¼ ¿ä·Î°¨¿°ÀÇ Á¶±â Áø´ÜÀÇ À¯¿ë¼ºÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
¹æ¹ý: 2012³â 7¿ùºÎÅÍ 2013³â 7¿ù±îÁö 13°³¿ù°£ ¹ß¿À»ÁÖ¼Ò·Î Áß¾Ó´ëÇб³ º´¿ø ¼Ò¾ÆÃ»¼Ò³â°ú¿¡ ³»¿øÇÑ 18¼¼ ¹Ì¸¸ÀÇ 70¸íÀÇ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ÀüÇâÀûÀ¸·Î ºñ±³ ºÐ¼®ÇÏ¿´´Ù.
¼Òº¯¹è¾ç°Ë»ç»ó ¿ä·Î°¨¿°À¸·Î Áø´ÜµÈ ½ÇÇ豺°ú ¿ä·Î°¨¿°À¸·Î Áø´ÜµÇÁö ¾ÊÀº ´ëÁ¶±ºÀ¸·Î ³ª´©¾úÀ¸¸ç, 0.3 mLÀÇ ¼Òº¯À» ÀÌ¿ëÇÏ¿© Enzyme-linked immunosorbent assay ¹æ¹ýÀ» ÅëÇØ urine ET-1À» Á¤·®ÀûÀ¸·Î ÃøÁ¤ÇÏ¿´´Ù.
°á°ú: ½ÇÇ豺Àº 45¸íÀ̾ú°í, ´ëÁ¶±ºÀº 25¸íÀ̾úÀ¸¸ç, ½ÇÇ豺ÀÇ ¼Òº¯¹è¾ç°Ë»ç¿¡¼ Escherichia coli 42¸í, Klebsiellapneumonia 2¸í, Enterococcus faecalis 1¸íÀÌ ¹è¾çµÇ¾úÀ¸¸ç, »óºÎ¿ä·Î°¨¿°Àº 19¸í, ÇϺοä·Î°¨¿°Àº 26¸íÀ̾ú´Ù. UrineET-1Àº ½ÇÇ豺¿¡¼ Æò±Õ 1.41¡¾0.35 pg/mL, ´ëÁ¶±º¿¡¼0.33¡¾0.07 pg/mLÀ¸·Î Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ º¸¿´À¸¸ç(P=0.04), »óºÎ¿Í ÇϺΠ¿ä·Î°¨¿°°£ÀÇ Á¤·®Àû ¼öÄ¡¿¡¼À¯ÀǼºÀº ¾ø¾ú´Ù(P=0.552). Urine ET-1°ú Ç÷û C-reactiveprotein, Ç÷û ³» ¹éÇ÷±¸ °£ÀÇ ¿¬°ü¼ºÀº ¾ø¾ú´Ù(pearson »ó°ü°è¼ö: 0.24, 0.19).
°á·Ð: Urine ET-1Àº ÀûÀº ¾çÀÇ ¼Òº¯À¸·Îµµ °Ë»ç ÇÒ ¼ö ÀÖÀ¸¸ç, ¿ä·Î°¨¿°À» Áø´ÜÇÏ´Â µ¥¿¡ À¯ÀÇÇÑ °á°ú¸¦ º¸¿´´Ù.
Purpose: Urinary tract infections (UTIs) are the most common source of bacterialinfections in infants and young children. Accurate diagnosis and treatment isimportant because of their association with renal scarring, which can lead tocomplications. Urine endothelin-1 (ET-1) is the major renal isoform producedand released by renal mesangial cells in response to glomerular injury. This studyaimed to investigate whether urinary levels of ET-1 can be used as a biomarkerfor UTI diagnosis.
Method: We conducted a prospective study using medical records of 70 patientsbelow the age of 18 years, who visited Chung-Ang University Hospital from July2012 to July 2013. We classified the patients into the UTI and control groupsbased on urine culture studies. The UTI group was further divided into upper andlower UTI groups using 99m-Technetium dimercaptosuccinic acid scintigraphy.
Urine ET-1 was measured using enzyme linked immunosorbent assay with 0.3mL urine.
Results: The UTI and control groups were comprised of 45 and 25 patients, respectively.
Mean urine ET-1 levels were significantly higher in the UTI groupthan in the control group (1.41¡¾0.35 pg/mL vs. 0.33¡¾0.07 pg/mL, P =0.04). Therewas no significance difference in the quantitative value between the upper andlower UTI groups (P =0.552). There was no correlation between urine ET-1 andserum C-reactive protein (Pearson correlation [R]=0.24), urine ET-1 and serumwhite blood cell count (R=0.19).
Conclusion: Our study suggests that urine ET-1 can be used for early diagnosisof UTI in children.
Ű¿öµå
Urinary Tract Infections, Endothelin-1, Biological Markers, Pediatrics
KMID :
0811820140180010036
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