Causes of iron deficiency anemia in OPD Rajavithi hospital by esophagogastroduodenoscopy (EGD) and/or colonoscopy
Abstract
Background : Majority of iron deficiency anemia (IDA) originate from gastrointestinal tract (GI) pathology. Regarding worldwide patients with IDA have to do GI endoscopic exam, at least esophagogastroduodenoscopy (EGD) and colonoscopy. Only 30 - 50% of IDA patients do not be endoscopic examed. Our study aims to evaluates causes of IDA using datas from EGD and colonoscopy from digestive endoscopy unit, department of internal medicine, Rajavithi Hospital. Objective : Study cause of IDA at digestive endoscopy unit, department of internal medicine, Rajavithi Hospital, The prevalence and causes were analyzed. In addition, the association between age, hemoglobin level and presence of fecal occult blood test (FOBT) to GI pathology and GI malignancy were also studied. Method : Datas from 164 patients with iron deficiency anemia those had been undergone EGD and/or colonoscopy from January 1st, 2013 to December, 31th 2015.
Results : From our study, abnormal GI endoscopic findings were found up to 67.7% of IDA patients. Three most common pathology including hemorrhagic/erosive gastritis or duodenitis (35.4%), gastric/duodenal ulcer (15.2%) and colorectal cancer (10.4%). No association between age, hemoglobin level and presence of FOBT to GI pathology and GI malignancy could be detected.
Conclusion : Our study showed that majority of IDA patients had GI pathology. Our result showed that no factors from age, hemoglobin level and presence of FOBT can predict the presence of GI pathology and GI malignancy, so that, patients with IDA should undergo GI endoscopy once diagnosed.
Keyword : iron deficiency anemia, esophagogastroduodenoscopy (EGD), colonoscopy
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