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Quantitative Urine Culture Method Using a Plastic „Paddle” Containing Dual Media

Authors
  • William A. Craig
  • Calvin M. Kunin
Publication Date
May 01, 1972
Source
PMC
Keywords
Disciplines
  • Medicine
License
Unknown

Abstract

A new dip-inoculum method for quantitative urine culture is described which utilizes a dual-chambered plastic „paddle” housing both a general purpose and differential medium. Comparative bacterial counts of 1,000 clinical specimens using the pour plate and this device were identical in 82.9% and within a factor of five in 95.6%. The „paddle” detected all but 19 of 258 specimens (92.6%) with 100,000 or greater colonies per ml. This simple, convenient method should allow more extensive use of quantitative urine culture in the diagnosis and follow-up of patients with urinary tract infections in office practice. It should not be considered as a substitute for the more definitive pour plate method or for standard methods for characterization of bacteriological species when more exact information is required.

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