{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T23:45:16Z","timestamp":1777506316218,"version":"3.51.4"},"reference-count":36,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2019,11,4]],"date-time":"2019-11-04T00:00:00Z","timestamp":1572825600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Administration of gadolinium-contrast can cause problems in cardiac amyloidosis (CA) patients with impaired renal function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare patterns of cardiovascular magnetic resonance tissue tracking (CMR-TT) for CA and hypertrophic cardiomyopathy (HCM) and to assess the feasibility of CMR-TT to distinguish between these diseases without administration of gadolinium-contrast.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>Included were 54 patients with biopsy-proven CA, 40 patients with HCM, and 30 healthy people. We calculated strain ratio of apex to base (SRAB) in the left ventricle (LV) using radial (R), circumferential (C), and longitudinal (L) strain from CMR-TT. The LV ejection fraction (LVEF) and the ratio of septal to posterior wall at basal level were also calculated. Late gadolinium enhancement (LGE) image analysis was performed for differential diagnosis. Area under the receiver operating characteristic curve (AUC) comparisons were used.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      All SRAB values were significantly different between CA and HCM (all P\u2009&lt; \u20090.001). AUC values for parameters were 0.806 for LVEF, 0.815 for ratio of wall thickness, 0.944 for the LGE pattern, 0.898 for SRAB\n                      <jats:sub>R<\/jats:sub>\n                      , 0.880 for SRAB\n                      <jats:sub>C<\/jats:sub>\n                      , and 0.805 for SRAB\n                      <jats:sub>L<\/jats:sub>\n                      . AUCs for the LGE pattern were significantly higher than for LVEF, ratio of wall thickness and SRAB\n                      <jats:sub>L<\/jats:sub>\n                      (all P\u2009&lt; \u20090.008). No significant differences were seen between AUCs for the LGE pattern, SRAB\n                      <jats:sub>R<\/jats:sub>\n                      , and SRAB\n                      <jats:sub>C<\/jats:sub>\n                      (all P\u2009&gt; \u20090.109).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      SRAB\n                      <jats:sub>R<\/jats:sub>\n                      and SRAB\n                      <jats:sub>C<\/jats:sub>\n                      were reliable parameters for distinguishing between CA and HCM.\n                    <\/jats:p>\n                  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Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang-Chol","family":"Lee","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine, Cardiac and Vascular Center, Samsung Medical Center, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eun-Seok","family":"Jeon","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine, Cardiac and Vascular Center, Samsung Medical Center, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hwan Seok","family":"Yong","sequence":"additional","affiliation":[{"name":"Current affiliation: Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yeon Hyeon","family":"Choe","sequence":"additional","affiliation":[{"name":"Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea"},{"name":"Cardiovascular Imaging Center, Heart Vascular and Stroke Institute, Samsung Medical Center, Seoul, Republic of 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