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Published on: May 8, 2021
Urinary strips for protein assays: easy to do but difficult to interpret!
Guillaume Résimont1, Laurence Piéroni2, Edith Bigot-Corbel3
1Service de Néphrologie-Dialyse-Transplantation, University of Liège, CHU Sart Tilman (CHU ULg), 4000, Liège, Belgium. guillaume.resimont08@gmail.com.
Abstract:
Urine samples can be readily obtained from patients in everyday clinical practice. Therefore, the availability of urine allows physicians to obtain relevant clinical information in a timely manner. Since the measurement of urinary protein levels is essential in diagnosing and treating a host of diseases, the potential detection of urinary proteins by urinary strips in an easy, quick, and cheap way is very attractive. However, to ensure optimal use of urinary strips, one needs to be aware of their characteristics and their limitations. In this review, we discuss the characteristics of the urinary strips available for testing urinary protein levels and for detecting urinary albumin. We then consider their analytical performances in their most widely used clinical applications (e.g., in pregnancy, chronic kidney disease, diabetes, and screening of the general population).
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