Family Practice Advance Access published online on January 11, 2005
Family Practice, doi:10.1093/fampra/cmh705
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1 Department of Medicine, Sapir Medical Center, Kfar-Saba, Israel
* To whom correspondence should be addressed. Background and objectives. Chronic gastrointestinal (GI) bleeding is the leading cause of iron deficiency anaemia (IDA) in men older than 50 years and post-menopausal women. There is a scarcity of data regarding IDA patients without GI symptoms or signs. We conducted a prospective study to determine the prevalence and the locations of the GI tract lesions in patients with asymptomatic IDA. Methods. Forty-eight patients with asymptomatic IDA (25 men older than 50 years and 23 post-menopausal women) underwent colonoscopy, gastroscopy and abdominal computed tomography (CT) with contrast agent. Results. An anaemia-causing lesion was found in 14 (29%) and 16 (33%) patients in the upper and the lower GI tract, respectively. The prevalence of dual lesions (in both the upper and lower GI tract) was low (6%). In 14 (29%) patients, a malignancy, predominantly right-sided colon carcinoma, was responsible for the IDA. Only one patient had a lesion in the small bowel. In 14 (29%) patients, the work-up was negative. Conclusion. Our prospective study demonstrates a high rate of malignancy, predominantly right-sided colon carcinoma, in men older than 50 years and post-menopausal women with asymptomatic IDA. This finding obligates a complete and rigorous GI tract examination in this group of patients, especially of the right colon.
Received April 15, 2004
Accepted May 4, 2004
Article
Iron deficiency anemia in patients without gastrointestinal symptoms--a prospective study
2 Department of Medicine, Sapir Medical Center, Kfar-Saba, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
3 Department of Diagnostic Imaging, Sapir Medical Center, Kfar-Saba, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
4 Department of Gastroenterology, Sapir Medical Center, Kfar-Saba, Israel
5 Department of Gastroenterology, Sapir Medical Center, Kfar-Saba, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
Michael Lishner, E-mail: niv_em{at}netvision.net.il
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