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Medical Journal of Islamic Republic of Iran، جلد ۲۸، شماره ۱، صفحات ۱۰۰۹-۱۰۱۵
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عنوان انگلیسی Accuracy of pepsinogens for early diagnosis of atrophic gastritis and gastric cancer in Iranian population
چکیده انگلیسی مقاله Background: Currently, non-invasive methods for screening atrophic gastritis and gastric cancer are lacking. The purpose of this study was to evaluate the value of serological parameters including serum pepsinogen I (PGI), pepsinogen II (PGII) and pepsinogen I: II ratio for the screening atrophic gastritis and gastric cancer. Methods : The study population consisted of 132 dyspeptic patients who had undergone upper endoscopy with biopsy. Blood samples for ELISA assays of serum PGI, PGII and IgG antibodies against Helicobacter pylori were drawn. Comparison between the two groups was done by Student’s t- test, and Mann Whitney test. Cut-off points were calculated using receiver operating curves (ROC). Results : Mean (±SD) age of the study population was 51.4 (±15.5) years. Values of PGI and PG ratio decreased significantly in the atrophic gastritis as compared with the control group (p< 0.05). Values of PG and PG ratio didn’t show any significant difference between the gastric cancer and control group (p>0.05). For patients with atrophic gastritis, the area under the ROC for PGI was 0.639 (95% CI:0.538-0.741, p=0.008) in which the best cut-off value was 40μg/L (sensitivity 90%, specificity 67%, accuracy 69%, negative predictive value 92%, YI : 0.429). The area under the ROC for PG ratio was 0.711 (95% CI: 0.617–0.806, p=0.0001) and the best cut-off value was 8 (sensitivity 71%, specificity 71%, accuracy 71%, negative predictive value 86%,YI : 0.431). Conclusion : It seems that PGI, PGI: PGII ratio is potential biomarkers for screening atrophic gastritis with high sensitivity, specificity, accuracy and negative predictive value. Serology could be used as a screening method for the detection of precancerous states due to its convenience, relative low cost and safety.
کلیدواژه‌های انگلیسی مقاله Pepsinogens, Atrophic gastritis, Gastric cancer, Biomarkers.
نویسندگان مقاله عباس ذوالفقاری | abbas zoalfaghari
imam khomeini hospital, department of internal medicine, division of gastroenterology, tehran university of medical sciences, imam khomeini hospital, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نجمه آل طه | najmeh aletaha
department of internal medicine, division of gastroenterology, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نادر روشن | nader roushan
department of internal medicine, division of gastroenterology, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

رضا تسلیمی | reza taslimi
department of internal medicine, division of gastroenterology, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

حسین فروتن | hossein foroutan
department of internal medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

بیتا فریدنیا | bita faridnia
tehran, iran

سازمان های دیگر: Specialist of Internal Medicine, Tehran, Iran

نشانی اینترنتی http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-761&slc_lang=en&sid=en
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