Delayed Analysis of Hydrogen-Methane Breath Samples.
Marjolein WillemsenKristel Van De MaeleBadriul HegarPublished in: Pediatric gastroenterology, hepatology & nutrition (2022)
Expired hydrogen levels remain stable in plastic syringes if preserved at room temperature for several days. On the other hand, the delayed analysis of methane appeared to be less reliable. Further research is needed to examine the impact of delayed analysis on methane and hydrogen concentrations.