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Journal of the Korean Society of Pediatric Nephrology 2009;13(1): 49-55. doi: https://doi.org/10.3339/jkspn.2009.13.1.49
소아 요로 감염증 환아의 항생제 치료 48시간 후 반복적 요 배양 검사의 임상적 유용성
박경희, 염정숙, 박지숙, 박은실, 서지현, 임재영, 박찬후, 윤희상
1경상대학교 의학전문대학원 소아과학교실
2경상대학교 의학전문대학원 소아과학교실
3경상대학교 의학전문대학원 소아과학교실
4경상대학교 의학전문대학원 소아과학교실
5경상대학교 의학전문대학원 소아과학교실
6경상대학교 의학전문대학원 소아과학교실
7경상대학교 의학전문대학원 소아과학교실
8경상대학교 의학전문대학원 소아과학교실
The Clinical Usefulness of a Repeat Urine Culture 48 Hours after Antimicrobial treatment in Anatomically Normal and Abnormal Urinary Tract Infection
Kyung-Hee Park, Jung-Suk Yeom, Ji-Suk Park, Eun-Sil Park, Ji-Hyun Seo, Jae-Young Lim, Chan-Hoo Park, Hee-Shang Youn
1Department of Pediatrics, Gyeongsang National University School of Medicine
2Department of Pediatrics, Gyeongsang National University School of Medicine
3Department of Pediatrics, Gyeongsang National University School of Medicine
4Department of Pediatrics, Gyeongsang National University School of Medicine
5Department of Pediatrics, Gyeongsang National University School of Medicine
6Department of Pediatrics, Gyeongsang National University School of Medicine
7Department of Pediatrics, Gyeongsang National University School of Medicine
8Department of Pediatrics, Gyeongsang National University School of Medicine
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ABSTRACT
Purpose : We aimed to compare the frequency of positive repeat urine cultures 48 hours after antimicrobial treatment between anatomically normal and abnormal urinary tract Infection (UTI) groups to determine the potential clinical usefulness of the tests.
Methods : We reviewed medical records of 930 patients under age 14, who had been admitted for UTI at Gyeongsang National University Hospital from January 1, 1998 to August 1, 2008. The eligible patients were divided into two groups the anatomically normal UTI group and the anatomically abnormal UTI group. Statistical analyses were performed with variables consisting of the sex ratio, age distribution and the frequency of positive repeat urine cultures of each group.
Results : The sex ratio of the anatomically normal UTI group was M:F=1.9:1, whereas that of the anatomically abnormal UTI group was M:F=3.5:1 (P=0.019). For age distribution, it was found that the mean age of the anatomically normal UTI group was $0.82{pm}1.83$ years, whereas that of the anatomically abnormal UTI group was $1.18{pm}2.57$ years (P=0.113). The frequency of positive repeat urine cultures in the anatomically normal UTI group was 3/279 (1.1%), whereas that of the anatomically abnormal UTI group was 1/90 (1.1%) (P=0.675).
Conclusion : We conclude that performing a repeat urine culture is not justified in terms of clinical usefulness, and it is unreasonable to use the results as an index of therapeutic success. A follow-up urine culture is unnecessary in patients with both the anatomically normal and abnormal UTI group.
Key words: Urinary tract infection | Vesicoureteral reflux | Hydronephrosis
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