Abstract:
:Exhaled breath condensate analysis is a developing method for investigating airway pathology. Impact of food and drink on breath condensate composition has not been systematically addressed. The aim of the study was to follow exhaled breath condensate pH after drinking an acidic and a neutral beverage. Breath condensate, capillary blood, and urine of 12 healthy volunteers were collected before and after drinking either 1 l of coke or 1 l of mineral water. The pH of each sample was determined with a blood gas analyzer. The mean difference between the pH of two breath condensate samples collected within 15 min before drinking was 0.13+/-0.03. Condensate pH decreased significantly from 6.29+/-0.02 to 6.24+/-0.02 (p<0.03) after drinking coke and from 6.37+/-0.03 to 6.22+/-0.04 (p<0.003) after drinking water. Drinking coke induced significant changes in blood and urine pH as well. Drinking influences exhaled breath condensate composition and may contribute to the variability of exhaled breath condensate pH.
journal_name
Lungjournal_title
Lungauthors
Kullmann T,Barta I,Antus B,Horváth Idoi
10.1007/s00408-008-9086-6subject
Has Abstractpub_date
2008-07-01 00:00:00pages
263-268issue
4eissn
0341-2040issn
1432-1750pii
10.1007/s00408-008-9086-6journal_volume
186pub_type
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