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3T MRI investigation of cardiac left ventricular structure and function in a UK population: The tayside screening for the prevention of cardiac events (TASCFORCE) study

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      Abstract

      Purpose

      To scan a volunteer population using 3.0T magnetic resonance imaging (MRI). MRI of the left ventricular (LV) structure and function in healthy volunteers has been reported extensively at 1.5T.

      Materials and Methods

      A population of 1528 volunteers was scanned. A standardized approach was taken to acquire steady‐state free precession (SSFP) LV data in the short‐axis plane, and images were quantified using commercial software. Six observers undertook the segmentation analysis.

      Results

      Mean values (±standard deviation, SD) were: ejection fraction (EF) = 69 ± 6%, end diastolic volume index (EDVI) = 71 ± 13 ml/m 2, end systolic volume index (ESVI) = 22 ± 7 ml/m 2, stroke volume index (SVI) = 49 ± 8 ml/m 2, and LV mass index (LVMI) = 55 ± 12 g/m 2. The mean EF was slightly larger for females (69%) than for males (68%), but all other variables were smaller for females (EDVI 68v77 ml/m 2, ESVI 21v25 ml/m 2, SVI 46v52 ml/m 2, LVMI 49v64 g/m 2, all P < 0.05). The mean LV volume data mostly decreased with each age decade (EDVI males: –2.9 ± 1.3 ml/m 2, females: –3.1 ± 0.8 ml/m 2; ESVI males: –1.3 ± 0.7 ml/m 2, females: –1.7 ± 0.5 ml/m 2; SVI males: –1.7 ± 0.9 ml/m 2, females: –1.4 ± 0.6 ml/m 2; LVMI males: –1.6 ± 1.1 g/m 2, females: –0.2 ± 0.6 g/m 2) but the mean EF was virtually stable in males (0.6 ± 0.6%) and rose slightly in females (1.2 ± 0.5%) with age.

      Conclusion

      LV reference ranges are provided in this population‐based MR study at 3.0T. The variables are similar to those described at 1.5T, including variations with age and gender. These data may help to support future population‐based MR research studies that involve the use of 3.0T MRI scanners. J. Magn. Reson. Imaging 2016;44:1186–1196.

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      Most cited references 26

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          Standardized image interpretation and post processing in cardiovascular magnetic resonance: Society for Cardiovascular Magnetic Resonance (SCMR) Board of Trustees Task Force on Standardized Post Processing

          With mounting data on its accuracy and prognostic value, cardiovascular magnetic resonance (CMR) is becoming an increasingly important diagnostic tool with growing utility in clinical routine. Given its versatility and wide range of quantitative parameters, however, agreement on specific standards for the interpretation and post-processing of CMR studies is required to ensure consistent quality and reproducibility of CMR reports. This document addresses this need by providing consensus recommendations developed by the Task Force for Post Processing of the Society for Cardiovascular MR (SCMR). The aim of the task force is to recommend requirements and standards for image interpretation and post processing enabling qualitative and quantitative evaluation of CMR images. Furthermore, pitfalls of CMR image analysis are discussed where appropriate.
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            Author and article information

            Affiliations
            [ 1 ] NHS Tayside Clinical RadiologyNinewells Hospital DundeeUK
            [ 2 ] NHS Tayside Medical PhysicsNinewells Hospital DundeeUK
            [ 3 ]University of Dundee School of Medicine DundeeUK
            [ 4 ] Department of Family and Community MedicineUniversity of Toronto TorontoCanada
            [ 5 ] Department of Research and InnovationNorth York General Hospital TorontoCanada
            [ 6 ] Department of Clinical RadiologyUniversity Hospital of Wales UK
            Author notes
            [* ]Address reprint requests to: J.G.H., Department of Clinical Radiology, Ninewells Hospital, Dundee, DD1 9SY, UK. E‐mail: ghouston@ 123456nhs.net
            Contributors
            ghouston@nhs.net
            Journal
            J Magn Reson Imaging
            J Magn Reson Imaging
            10.1002/(ISSN)1522-2586
            JMRI
            Journal of Magnetic Resonance Imaging
            John Wiley and Sons Inc. (Hoboken )
            1053-1807
            1522-2586
            03 May 2016
            November 2016
            : 44
            : 5 ( doiID: 10.1002/jmri.v44.5 )
            : 1186-1196
            27143317 5082537 10.1002/jmri.25267 JMRI25267
            © 2016 The Authors Journal of Magnetic Resonance Imaging published by Wiley Periodicals, Inc. on behalf of International Society for Magnetic Resonance in Medicine.

            This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

            Counts
            Figures: 2, Tables: 7, Pages: 11, Words: 5285
            Product
            Funding
            Funded by: Souter Charitable Trust, and Chest, Heart and Stroke Scotland
            Funded by: Wellcome Trust
            Award ID: WT 085664 (Clinical Research Fellowship to J.W‐McC.)
            Categories
            Original Research
            Original Research
            Cardiac
            Custom metadata
            2.0
            jmri25267
            November 2016
            Converter:WILEY_ML3GV2_TO_NLMPMC version:4.9.6 mode:remove_FC converted:27.10.2016

            Radiology & Imaging

            population, left ventricle, 3.0t, mri, cardiac

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