Atrophic Gastritis and Hydrogen Gas Levels
Author Information
Author(s): Yoshihisa Urita, Toshiyasu Watanabe, Tadashi Maeda, Tomohiro Arita, Yosuke Sasaki, Takamasa Ishii, Tatsuhiro Yamamoto, Akiro Kugahara, Asuka Nakayama, Makie Nanami, Kaoru Domon, Susumu Ishihara, Hirohito Kato, Kazuo Hike, Norikok Hara, Shuji Watanabe, Kazushige Nakanishi, Motonobu Sugimoto, Kazumasa Miki
Primary Institution: Toho University, Omori Hospital
Hypothesis
The study aims to measure intraluminal hydrogen concentrations to determine bacterial overgrowth in the gastrointestinal tract.
Conclusion
Intradodenal hydrogen levels increase with the progression of atrophic gastritis.
Supporting Evidence
- 87.5% of patients had intragastric hydrogen gas detected.
- 81.0% of patients had intraduodenal hydrogen gas detected.
- The mean intragastric hydrogen level was highest in patients without atrophic gastritis.
- Intraduodenal hydrogen levels increased with the severity of atrophic gastritis.
- The maximum intraduodenal hydrogen level was found in a patient with O-3 stage atrophic gastritis.
Takeaway
This study found that many people have hydrogen gas in their stomachs and intestines, and those with more severe stomach issues have higher levels of this gas.
Methodology
The study involved measuring intraluminal hydrogen concentrations in patients undergoing upper endoscopy.
Potential Biases
Potential bias due to the exclusion of patients with prior treatments that could affect results.
Limitations
The study excluded patients with a history of certain medications and previous surgeries, which may limit generalizability.
Participant Demographics
The study included 647 patients, 211 men and 436 women, aged 19 to 85 years (mean age 60.8).
Statistical Information
P-Value
<.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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