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A prospective study comparing contamination rates between a novel mid-stream urine collection device (Peezy) and a standard method in renal patients
  1. S Collier1,
  2. F Matjiu2,
  3. G Jones2,
  4. M Harber2,
  5. S Hopkins1
  1. 1Department of Microbiology, Royal Free London NHS Foundation Trust, London, UK
  2. 2UCL Centre for Nephrology, Royal Free London NHS Foundation Trust, London, UK
  1. Correspondence to Dr Sophie Elizabeth Collier, Department of Microbiology, Royal Free London NHS Foundation Trust, Pond Street, London Nw3 2QG, UK; sophiecollier{at}nhs.net

Abstract

Introduction It is imperative that laboratories receive uncontaminated urine samples to avoid giving false-positive results and reduce antimicrobial use.

Aim The aim of the study was to investigate a novel urine collection device (Peezy) in a renal outpatient clinic to determine whether it reduced contamination of urine samples.

Methods The novel device was used in 420 renal transplant recipients and the results were compared with 424 matched historical controls, who used the standard method of urine collection. High epithelial cell counts on microscopy and mixed urine cultures were used to identify contaminated samples.

Results Peezy increased the rates of both epithelial cells and mixed growths in the urine samples when compared with the historical controls.

Conclusions Further randomised studies in other more generalisable populations need to be performed.

  • Diagnosis
  • Urine
  • Infections
  • Transplantation

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/3.0/

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