Clinical and Experimental Pediatrics

대한소아청소년과학회 (The Korean Pediatric Society)
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Is vaginal reflux associated with urinary tract infection in female children under the age of 36 months?

  • Kim, Yu Bin (Department of Pediatrics, Inje University Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Tang, Chih Lung (Department of Pediatrics, Inje University Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Koo, Ja Wook (Department of Pediatrics, Inje University Sanggye Paik Hospital, Inje University College of Medicine)
  • 투고 : 2017.08.09
  • 심사 : 2017.09.21
  • 발행 : 2018.01.15
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초록

Purpose: To determine the relationship between vaginal reflux (VR) and urinary tract infection (UTI) in female children aged <36 months. Methods: A single center retrospective study was performed for 191 girls aged <36 months, with a diagnosis of febrile UTI, who underwent a voiding cystourethrography (VCUG) for assessment of vesicoureteral reflux (VUR) at Sanggye Paik Hospital. Fifty-one girls, who underwent VCUG for assessment of congenital hydronephrosis or renal pelvis dilatation, without a UTI, formed the control group. The correlation between the presence and grade of VR and UTI was evaluated. Results: The prevalence rate of VR was higher in the UTI (42.9%) than control (13.7%) group (P<0.05), with a higher VR severity grade in the UTI (mean, 0.64) than control (mean, 0.18) group (P<0.05). On subanalysis with age-matching (UTI group: n=126, age, $5.28{\pm}2.13months$; control group: n=22, age, $4.79{\pm}2.40months$; P=0.33), both VR prevalence (43.65% vs. 18.18%, P<0.05) and grade (0.65 vs. 0.22, P<0.05) remained higher in the UTI than control group. Presence and higher grade of VR were associated with UTI recurrence (P<0.05). VR was correlated to urosepsis (P<0.05). The renal defect rate of patients with VR (VR [+]/VUR [+]) was not different from that of patients without VR (74% vs. 52%, P=0.143) in the VUR group; however, it was higher than that of VR (+)/VUR (-) patients (74% vs. 32%, P=0.001). If a child with VR (+)/VUR (+) is exposed to a UTI, the risk of renal defect increases. Conclusion: Occurrence of VR is associated with UTI recurrence and urosepsis in pediatric female patients.

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참고문헌

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