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Host and environmental factors for gastric cancer in Babol, the Caspian Sea Coast, Iran

Ghadimi, Rezaa d; Taheri, Hassanb; Suzuki, Sadaoa; Kashifard, Mehrdadb; Hosono, Akihiroa; Esfandiary, Imaneha; Moghadamnia, Ali A.c; Ghadimi, Rezvand; Tokudome, Shinkana

European Journal of Cancer Prevention: June 2007 - Volume 16 - Issue 3 - p 192-195
doi: 10.1097/01.cej.0000220639.61717.67
Research papers: Gastrointestinal Cancer
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To clarify host and environmental factors for gastric carcinogenesis, we obtained information about gastric cancer mortality in Babol, in the North of Iran, and recruited 130 participants aged 30–80 years from the general population of Babol in 2004. A urea breath test, assessment of IgG antibodies to Helicobacter pylori, a pepsinogen test, a marker of chronic atrophic gastritis, and determination of urinary excretions of sodium and potassium were performed. Diet and lifestyle information was also obtained using a questionnaire. The stomach cancer mortality rate for men in Babol (38.2/105) was found to be somewhat lower than that for Japanese men (45.1/105), while the mortality for women (26.9/105) was higher than for Japanese women (20.9/105). Positive rates for the urea breath test were 77.5 and 81.8% for Iranian men and women, respectively. Helicobacter pylori IgG antibodies were present in 68.7 and 73.7% of Iranian men and women, respectively, both values being marginally higher than for Japanese. We also found 51.0 and 52.8% to be positive for a pepsinogen test, significantly higher than the Japanese values. Urinary excretions of salt and potassium in this population appeared approximately the same as the consumption in Japanese. The elevated gastric cancer mortality in both men and women in Babol seems, by and large, to be related to higher H. pylori infection rates and prevalence of chronic atrophic gastritis. Certain factors, including H. pylori DNA diversity, host factors and their interactions, together with the level of medical practice, prevalence of and access to secondary prevention of stomach cancer, may also be associated with the relatively high mortality.

aDepartment of Health Promotion and Preventive Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

Departments of bInternal Medicine

cPhysiology and Pharmacology

dBabol University of Medical Sciences, Babol, Iran

Correspondence to Professor Shinkan Tokudome, Department of Health Promotion and Preventive Medicine, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, Nagoya 467-8601, Japan

Tel: +81 52 853 8174; fax: +81 52 842 3830; e-mail: tokudome@med.nagoya-cu.ac.jp

Sponsorship: Ministry of Education, Culture, Sports, Science and Technology, Japan.

© 2007 Lippincott Williams & Wilkins, Inc.