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British Journal of Radiology 74 (2001),1163 © 2001 The British Institute of Radiology

Correspondence

Authors' reply

The Editor—Sir,

In reply to the comment regarding our recent article, we appreciate Drs Lee and Chow drawing our attention to the previous local studies. The need to use only indexed references in our study was the reason for not including them.

The prevalence of vesicoureteric reflux (VUR) in our study was 39%, which is higher than in these earlier local studies. This may be due to the more stringent criteria at our institution for diagnosing urinary tract infection (UTI). A catheter specimen or suprapubic tap is generally required as proof of UTI. The different criteria used in previous studies to diagnose UTI are probably a factor in the wide reported variation in the prevalence of VUR in Caucasians (21–63%). The low prevalence rates given in the local Chinese studies (21–26%) are still within this wide range.

The male predominance of UTI in Chinese children cannot be stated with certainty without more information regarding the age of the patients. In non-neonatal Caucasian children, UTI affects predominantly girls. However, UTI is more common in males in the neonatal age group [1, 2].

Yours etc.,

R Howard and C Metreweli

Department of Diagnostic Radiology, Prince of Wales Hospital, Sha Tin, Hong Kong

Received for publication August 29, 2001. Accepted for publication September 4, 2001.

References

  1. Maherzi M, Guignard JP, Torrado A. Urinary tract infection in high-risk newborn infants. Pediatrics 1978;62:521–3.[Abstract/Free Full Text]
  2. Straub E. Urinary tract infections in childhood. Infection 1979;7:562–9.

Related articles in BJR:

Vesicoureteric reflux in Chinese children
S Y R Lee and C B Chow
BJR 2001 74: 1162-1163. [Full Text]  




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