Journal
EXPERT REVIEW OF GASTROENTEROLOGY & HEPATOLOGY
Volume 14, Issue 3, Pages 155-162Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17474124.2020.1732817
Keywords
Anemia; iron deficiency; Crohn's disease; Iron-Deficiency Anemia (IDA); Anemia of Chronic Diseases (ACD)
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Funding
- Teaching and Research Project 2015 Renji College of Clinical Medicine [5032.20]
- National Science Foundation of China [81470820]
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Introduction: Anemia is a common extraintestinal complication of Crohn's disease (CD) mainly caused by iron deficiency, that affects the quality of life in CD patients. Elucidation of the etiology and pathology of iron-deficiency anemia (IDA) and anemia of chronic diseases (ACD) has developed in recent years. Common biochemical parameters of iron status are insufficient for assessment of patients with anemia and CD. Thus, novel iron indices are required for accurate assessment in IDA patients with CD. Oral iron supplementation for IDA treatment is common and is associated with minor gastrointestinal side effects. Intravenous substitution improves safety profiles but may be not tolerable in some patients. Fortunately, additional therapies for anemia of active CD have emerged in recent years. Area covered: Here, we propose the review article on the link among anemia, iron deficiency, and Crohn's disease. We discuss the current diagnosis and therapy of anemia and iron deficiency in CD and propose the new directions for future research. Expert commentary: Exploring pathogeneses and treatments of anemia and iron deficiency in Crohn's disease will develop potential tools for early diagnosis and effective treatment of anemia in CD patients, and improve their life quality.
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