| Evaluation of hemodynamic changes by use of phase-contrast MRI for patients with interstitial pneumonia, with special focus on blood flow reduction after breath-holding and bronchopulmonary shunt flow. | |
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MedLine Citation:
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PMID: 23255185 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: The purpose of this study was to determine the effects of interstitial pneumonia on pulmonary, systemic, and bronchopulmonary shunt flow. MATERIALS AND METHODS: Phase-contrast flow measurements in the ascending aorta and pulmonary trunk were performed during free breathing and inspiratory breath-holding by use of a 1.5 T MR scanner. The study population comprised 11 patients with interstitial pneumonia and 15 healthy volunteers. Absolute blood flow, bronchopulmonary shunt flow, and difference in flow between normal breathing and breath-holding were compared between the groups. RESULTS: Both pulmonary and systemic blood flow during both breathing patterns in patients were significantly reduced compared with the volunteers (p < 0.05). However, bronchopulmonary shunt flow and reduction of systemic and pulmonary artery flow did not differ between groups. CONCLUSION: Interstitial pneumonia reduces both pulmonary and systemic blood flow, but it does not affect the amount of flow reduction during breath-holding. The bronchopulmonary shunt was not increased in interstitial pneumonia patients, probably because of stiffness of the bronchial arteries. |
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Authors:
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Nanae Tsuchiya; Yuichiro Ayukawa; Sadayuki Murayama |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-20 |
Journal Detail:
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Title: Japanese journal of radiology Volume: - ISSN: 1867-108X ISO Abbreviation: Jpn J Radiol Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101490689 Medline TA: Jpn J Radiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Radiology, Graduate School of Medical Science, University of the Ryukyus, 207, Uehara, Nishighara-cho, Nakagami-Gun, Okinawa, 903-0215, Japan, nanae7a50@hotmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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