{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T16:41:25Z","timestamp":1769100085201,"version":"3.49.0"},"reference-count":25,"publisher":"Oxford University Press (OUP)","issue":"855","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1999,3,1]]},"abstract":"<jats:p>This study compares MRI and echocardiography as imaging modalities in hypertrophic cardiomyopathy, with particular reference to measurement of left ventricular wall thickness and mass. 10 subjects underwent echocardiography and MRI. Contiguous 10 mm short axis 35 degrees flip angle cine gradient recalled echo MR images were acquired from the apex to the base of the left ventricle at 1.5 tesla. Standard M-mode and cross-sectional echocardiographic views of the left ventricle were obtained. Excellent agreement between measurements occurred with MRI and M-mode echocardiographic assessment of the thickness of the anterior interventricular septum (95% limits of agreement -1.5 to +1.5 mm). Other comparisons of MRI vs M-mode echocardiographic measurements had the following limits of agreement: posterior free wall -3.3 to +2.9 mm; end-diastolic dimension -5 to +8 mm, left ventricular mass -291 to +55.5 g. Comparing MRI with cross-sectional echocardiographic measurements, the limits of agreement were: anterior interventricular septum -2.4 to +1.7 mm, posterior interventricular septum -2.4 to +2.9 mm, posterior free wall -3.4 to +2.5 mm, anterior free wall -2.4 to +1.7 mm, end-diastolic dimension -4.1 to +8 mm. MRI estimates of LVM in systole vs diastole showed good agreement with 95% limits of agreement of -20 to +17 g, with excellent interobserver variability in diastole (-9 to +5 g) and in systole (-7 to +12 g). In conclusion, MRI is superior to echocardiography for the quantification of ventricular mass in the abnormal left ventricle because it does not make invalid geometrical assumptions. Comparisons of wall thickness show greater discrepancy with increasing distance from the echocardiographic transducer. This study suggests that sequential echocardiography could rationalize the need for MRI in left ventricular hypertrophy. A change in anterior septal thickness of &amp;gt; or = 3 mm on echocardiography merits a further MRI study.<\/jats:p>","DOI":"10.1259\/bjr.72.855.10396215","type":"journal-article","created":{"date-parts":[[2014,6,13]],"date-time":"2014-06-13T02:06:53Z","timestamp":1402625213000},"page":"258-264","source":"Crossref","is-referenced-by-count":73,"title":["A comparison of MRI and echocardiography in hypertrophic cardiomyopathy."],"prefix":"10.1093","volume":"72","author":[{"given":"A M","family":"Devlin","sequence":"first","affiliation":[{"name":"Department of Clinical Oncology, Northern Centre for Cancer Treatment, Newcastle upon Tyne, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N R","family":"Moore","sequence":"additional","affiliation":[{"name":"Radiology, University of Oxford and Oxford Radcli\u00a1e Hospital, Oxford OX3 9DU, 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