NDLI: Association between Symptoms of Irritable Bowel Syndrome and Methane and Hydrogen on Lactulose Breath Test

Content Provider	PubMed Central
Author	Lee, Kang Nyeong Lee, Oh Young Koh, Dong Hee Sohn, Won Lee, Sang Pyo Jun, Dae Won Lee, Hang Lak Yoon, Byung Chul Choi, Ho Soon Hahm, Joon Soo
Copyright Year	2013
Abstract	Whether hydrogen and methane gas produced during lactulose breath test (LBT) are associated with symptoms of irritable bowel syndrome (IBS) is not determined. We aimed to investigate whether hydrogen and methane on LBT are associated with IBS symptoms. Sixty-eight IBS patients meeting the Rome III criteria for IBS, and 55 healthy controls, underwent LBT. The IBS subjects recorded their customary gastrointestinal symptoms on a questionnaire using visual analogue scales. LBT positivity was defined to be above 20 ppm rise of hydrogen or 10 ppm rise of methane within 90 min. Gas amounts produced during LBT were determined by calculating area under the curve of hydrogen and methane excretion. Symptom severity scores were not different between the LBT (+) IBS and LBT (-) IBS subjects and also between methane producers and non-methane producers. Gas amounts produced during LBT were not associated with IBS symptoms, except a weak correlation between total gas amounts and a few IBS symptoms such as bloating (r = 0.324, P = 0.039), flatulence (r = 0.314, P = 0.046) and abdominal pain (r = 0.364, P = 0.018) only in LBT (+) IBS. In conclusion, hydrogen and methane gas on LBT are not useful for predicting the customary symptoms and subtypes of IBS.
Related Links	http://dx.doi.org/10.3346/jkms.2013.28.6.901
Ending Page	907
Page Count	7
Starting Page	901
File Format	PDF
ISSN	10118934
e-ISSN	15986357
Journal	Journal of Korean Medical Science
Issue Number	6
Volume Number	28
Language	English
Publisher	The Korean Academy of Medical Sciences
Publisher Date	2013-01-01
Access Restriction	Open
Rights Holder	The Korean Academy of Medical Sciences
Subject Keyword	Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Medicine

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