Key result
In vitro contracture testing with 4-chloro-m-cresol showed strong concordance with caffeine (r = 0.79) and improves the accuracy of diagnosing malignant hyperthermia susceptibility.
Why the study?
Does 4-chloro-m-cresol improve the diagnostic accuracy of the in vitro contracture test for malignant hyperthermia susceptibility compared to standard testing?
Population
Muscle specimens of 202 individuals from 6 European malignant hyperthermia centers
Comparison
In vitro contracture test with 4-chloro-m-cresol vs Standard IVCT (using caffeine and halothane)
Design
Other
Authors
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4-CmC IVCT may sharpen MH diagnosis in equivocal cases; leaves open routine adoption pending prospective validation.
Observational (n=202)
Yes
Does 4-chloro-m-cresol improve the diagnostic accuracy of the in vitro contracture test for malignant hyperthermia susceptibility compared to standard testing?
Effect estimate: r = 0.79
4-chloro-m-cresol is a highly effective test substance that improves the accuracy of in vitro diagnosis of malignant hyperthermia susceptibility.
Baur et al. (2000) conducted an observational in Malignant hyperthermia susceptibility (n=202). 4-chloro-m-cresol (4-CmC) in vitro contracture test vs. Standard in vitro contracture test (caffeine and halothane) was evaluated on Concordance of concentration thresholds between 4-CmC and caffeine (r = 0.79). In vitro contracture testing with 4-chloro-m-cresol showed strong concordance with caffeine (r = 0.79) and improves the accuracy of diagnosing malignant hyperthermia susceptibility.
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