The CF Quantum Test (CFQT) showed promise in a previous pilot study, however there was
greater imprecision in one patch lot. Following the pilot study, the manufacturer changed …

Background Conventional methods of sweat testing are time consuming and have many
steps that can and do lead to errors. This study compares conventional sweat testing to a …

Objectives: The approved methods for sweat testing, Gibson-Cooke Pilocarpine
Iontophoresis (GCQPIT) or the Wescor Macroduct® Sweat Test system, have many steps …

Sweat test measuring the chloride ion (Cl (-)) concentration in sweat is a tool for the cystic
fibrosis (CF) diagnosis. We evaluated analytical criteria of different available methods and …

The diagnosis of cystic fibrosis (CF) depends on a carefully performed sweat test using
reliable methodology. This article describes the current status of sweat testing methodology …

Background The sweat test is the current gold standard for the diagnosis of cystic fibrosis
(CF). CF is unlikely when sweat chloride (Cl sw) is lower than 30 mmol/L, Cl sw> 60 is …

Background: There are several complementary English-language guidelines for the
performance of the sweat chloride test. These guidelines also incorporate information for the …

Background: The objective of the study was to assess the diagnostic efficacy of the
coulometric endpoint method and compare it with classic Gibson&Cooke and chloridometer …

Background Guidelines for sweat chloride testing endorse a minimum sweat rate for
reporting results. Bilateral sweat collection is recommended, but if both sites fail to meet the …

The Gibson–Cooke pilocarpine iontophoresis sweat test first described in 1959 [1] has been
and still is the gold standard to diagnose cystic fibrosis (CF). In the 1970s experienced …