Management of iron deficiency in children, adults, and pregnant individuals: evidence-based and expert consensus recommendations.
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abstract
Iron deficiency is the most common micronutrient deficiency worldwide. Oral iron is often recommended as first-line treatment, but there is no consensus on the optimal formulation, dosing strategy, or which patients should be treated preferentially with intravenous iron. To address these challenges, the Iron Consortium at Oregon Health & Science University (OHSU) convened an international panel of 26 experts in haematology, primary care, paediatrics, obstetrics, gastroenterology, cancer, and patient advocacy among its members. This panel was supplemented by insights from a four-person patient focus group to develop current recommendations using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology. The panel developed clinically relevant questions in five priority topic areas, a systematic literature search was performed, and studies meeting a priori criteria were included to generate evidence tables for recommendation development. Evidence-based and expert opinion-based recommendations were made through a structured anonymous consensus voting process at an in-person meeting in Portland, OR, USA, hosted by OHSU on Feb 16-17, 2024. The expert panel made seven evidence-based recommendations for three demographic groups with iron deficiency: non-pregnant adults, pregnant individuals, and infants, children, and adolescents. Expert opinions supported the recommendations on 21 aspects of care for which there is insufficient evidence. This Review provides evidence-based recommendations and expert consensus on the diagnosis, treatment, and management of iron deficiency, detailing best practices for oral and intravenous iron repletion across diverse patient populations.
