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Clinical Characteristics and Prognostic Factors of Vesicoureteral Reflux

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±èÀ±°ï(Kim Wun-Kon) - ÃæºÏ´ëÇб³ Àǰú´ëÇÐ ¼Ò¾Æ°úÇб³½Ç
ÇÏż±(Ha Tae-Sun) - ÃæºÏ´ëÇб³ Àǰú´ëÇÐ ¼Ò¾Æ°úÇб³½Ç

Abstract

¸ñÀû: VUR´Â ´ëºÎºÐ ¿ä·Î°¨¿° ÈÄ¿¡ Áø´ÜµÇ¸ç, ¹Ýº¹Àû ¿ä·Î°¨¿°°ú ¿ª·ù°¡ Áö¼ÓµÇ¸é ½Å¹ÝÈç, ½Å½ÇÁúÀÇ À§Ãà, °íÇ÷¾Ð µî ½É°¢ÇÑ ÈÄÀ¯ÁõÀ» ¾ß±âÇÒ ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â VURÀÇ ÀÓ»óÀû Ư¼º°ú ÀÚ¿¬¼Ò½ÇÀ² ¹× ±×¿Í °ü·ÃµÈ ÀÎÀÚµéÀ» ºÐ¼®ÇÏ¿´´Ù.

¹æ¹ý: 1993³â 12¿ùºÎÅÍ 2011³â 5¿ù±îÁö ÃæºÏ´ëÇк´¿ø ¼Ò¾ÆÃ»¼Ò³â°ú¿Í ºñ´¢±â°ú¿¡ ÀÔ¿øÇÑ VUR·Î Áø´ÜµÈ 117·Ê¸¦ ´ë»óÀ¸·Î, Ç×»ýÁ¦ ¿¹¹æ¿ä¹ý ¹× ¼ö¼úÀû Ä¡·á¸¦ ½ÃÇàÇÑ È¯¾Æ¸¦ ÃßÀû°üÂûÇÏ¿´´Ù.

°á°ú: ´ë»ó ȯ¾Æ 117¸í Áß ³²¾Æ´Â 55%·Î ¿©¾Æº¸´Ù ¸¹¾Ò°í, 1¼¼ ¹Ì¸¸Àº 66%·Î ÀÌÁß ³²¾Æ°¡ 64%¿´´Ù. ¹è´¢Áß ¹æ±¤¿äµµÁ¶¿µ¼ú »ó ¿ª·ù¸¦ º¸ÀÎ 161¿ä°ü Áß grade IÀÌ 15¿ä°ü, grade IIÀÌ 32¿ä°ü, grade IIIÀÌ 54¿ä°ü, grade IV°¡ 26¿ä°ü, grade V°¡ 34¿ä°üÀ̾ú´Ù. 99mTC-DMSA ½Å ½ºÄµÀ» ½ÃÇàÇÑ 161½Å´ÜÀ§(115·Ê)¿¡¼­ ½ÅÇÇÁú°á¼ÕÀÌ 62%¿¡¼­ °üÂûµÇ¾ú°í, ½ÅÇÇÁú°á¼ÕÀº ¿ª·ù Á¤µµ(grade)°¡½ÉÇÒ¼ö·Ï ½ÅÇÇÁú°á¼Õ Çü¼ºÀ²ÀÌ ³ô¾Ò´Ù. Ãʱ⿡ Ç×»ýÁ¦ ¿¹¹æ¿ä¹ýÀ» ½ÃÀÛÇÑ ÃÑ94¿ä°ü¿¡¼­ Æò±Õ 43.6°³¿ù ÃßÀûÀ¸·Î 66¿ä°ü(67%)¿¡¼­ ¼Ò½Ç ¹× È£ÀüÀ» º¸¿´°í, ³ª¸ÓÁö 9¿ä°ü(10%)¿¡¼­ ¾ÇÈ­µÇ¾î ¼ö¼úÀû Ä¡·á¸¦ ÇÏ¿´´Ù. ¿ª·ùÀÇ Á¤µµ°¡ ³·À»¼ö·Ï ÀÚ¿¬¼Ò½ÇÀ²ÀÌ ³ô¾ÒÀ¸³ª ½ÅÇÇÁú°á¼ÕÀÌ ¹Ì¸¸¼ºÀÎ °æ¿ì¿Í 4¼¼ ÀÌÈÄ ÀÚ¿¬¼Ò½ÇÀ²Àº ÇöÀúÈ÷ ³·¾Ò´Ù. ¼ö¼úÀû Ä¡·á¸¦ ½ÃÇàÇÑ 67¿ª·ù¿ä°ü(41%) Áß 5¿ä°ü¿¡¼­ grade°¡ °¨¼ÒµÈ »óÅ¿¡¼­ ¿©ÀüÈ÷ ³²¾Æ ÀÖ¾ú°í, ³ª¸ÓÁö 62¿ä°ü¿¡¼­ ¸ðµÎ ¼Ò½ÇµÇ¾î 92%ÀÇ ¼Ò½ÇÀ²À» º¸¿´´Ù.

°á·Ð: ¿ä·Î°¨¿°À» µ¿¹ÝÇÑ VUR ȯ¾Æ¿¡¼­ 99mTC-DMSA½Å ½ºÄµ »ó ½ÅÇÇÁú°á¼ÕÀÌ 62%¿¡¼­ °üÂûµÇ¾úÀ¸¸ç, ¿ª·ù Á¤µµ°¡ ½ÉÇÒ¼ö·Ï ½ÅÇÇÁú°á¼Õ ¹ß°ßÀ²ÀÌ ³ô¾Ò°í, ³ªÀ̰¡ ¸¹°í¹Ì¸¸¼º ½ÅÇÇÁú°á¼ÕÀÌ º¸ÀÌ´Â °æ¿ì ÀÚ¿¬¼Ò½ÇÀ²ÀÌ ³·¾Ò´Ù.
Introduction: Persistent vesicoureteral reflux (VUR), a major cause of urinarytract infection (UTI) in children, can result in serious renal complications, suchas reflux nephropathy and chronic renal failure. We evaluated the clinical characteristicsand prognostic factors of VUR.

Methods: From December 1993 to May 2011, we examined 117 children withvesicoureteral reflux who were admitted to the Department of Pediatrics andUrology, Chungbuk National University hospital for a UTI. The patients weremanaged medically or surgically.

Results: Male patients had a slightly higher prevalence of VUR than femalepatients (55%). The degrees of the 161 refluxing ureters, as classified by the InternationalReflux Study Committee, were as follows: grade I, 15 ureters; grade II,32 ureters; grade III, 54 ureters; grade IV, 26 ureters; grade V, 34 ureters. Onehundred and sixty-one renal units (115 cases) underwent a 99m TC-DMSA renalscan, and 62% showed abnormal findings. The incidence of renal cortical defectsshowed a direct correlation with the severity of VUR. Ninety-four refluxingureters were followed up medically, and 66 ureters (67%) either disappeared orimproved. However, 9 refluxing ureters persisted. The spontaneous resolutionrate of VUR seemed to be higher in younger patients with lower grades of reflux,and without renal cortical defects. Sixty-seven refluxing ureters (41%) weretreated surgically, 62 refluxing ureters (92%) disappeared, and 5 refluxing ureters(8%) persisted.

Conclusion: The incidence of renal cortical defects in patients with UTIs was62% (in a 99m TC-DMSA renal scan), and showed a direct correlation with theseverity of VUR. The spontaneous resolution rate seemed to be lower in thepatients with higher grades of VUR, older age (over 4 years old) and diffuse renalcortical defects.

Ű¿öµå

Vesicoureteral reflux, Renal cortical defect, Spontaneous resolution, Urinary tract infection
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