| Iron deficiency is common in idiopathic pulmonary arterial hypertension. | |
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MedLine Citation:
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PMID: 20884742 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The aims of this study were to assess the prevalence of iron deficiency in idiopathic pulmonary arterial hypertension (IPAH) and investigate whether oral iron supplementation has effects in iron-deficient patients. Iron parameters were measure for all IPAH patients attending our centre (VU University Medical Center, Amsterdam, the Netherlands) between May 2009 and February 2010. Iron data were related to clinical parameters, including 6-min walking distance (6MWD), and haemodynamic parameters measured during right heart catheterisation. In a subset of iron-deficient patients, the uptake of iron from the bowel was studied after administering oral iron for 4 weeks. Iron deficiency was found in 30 (43%) out of 70 patients. 6MWD was reduced in iron-deficient patients compared with iron-sufficient patients (mean±sd 390±138 versus 460±143 m; p<0.05) irrespective of the existence of anaemia. In a subset of 18 patients that received oral iron, ferritin levels were significantly increased, although eight patients only slightly increased their iron storage. This study shows that iron deficiency is frequently present in IPAH and is associated with a lower exercise capacity. The small response to oral iron in 44% of the treated patients suggests impaired iron absorption in these patients. |
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Authors:
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G Ruiter; S Lankhorst; A Boonstra; P E Postmus; S Zweegman; N Westerhof; W J van der Laarse; A Vonk-Noordegraaf |
Publication Detail:
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Type: Journal Article Date: 2010-09-30 |
Journal Detail:
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Title: The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology Volume: 37 ISSN: 1399-3003 ISO Abbreviation: Eur. Respir. J. Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-06-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8803460 Medline TA: Eur Respir J Country: Switzerland |
Other Details:
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Languages: eng Pagination: 1386-91 Citation Subset: IM |
Affiliation:
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Dept of Pulmonology, VU University Medical Center, de Boelelaan 1117, 1081 BV Amsterdam, The Netherlands. E-mail: a.vonk@vumc.nl. |
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