{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T11:02:17Z","timestamp":1780743737868,"version":"3.54.1"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2026,2,22]],"date-time":"2026-02-22T00:00:00Z","timestamp":1771718400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,2,22]],"date-time":"2026-02-22T00:00:00Z","timestamp":1771718400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2026,6]]},"abstract":"ABSTRACT<\/jats:title>\n \n Background<\/jats:title>\n Non\u2010contrast coronary MR angiography (CMRA) is a validated, non\u2010invasive, radiation\u2010free technique for coronary stenosis assessment. However, its application to myocardial bridging (MB) is limited, with large\u2010scale evidence for its diagnostic performance lacking.<\/jats:p>\n <\/jats:sec>\n \n Purpose<\/jats:title>\n To evaluate the diagnostic accuracy and morphological consistency of non\u2010contrast CMRA for detecting MB, using photon\u2010counting coronary CT angiography (CCTA) as the reference standard.<\/jats:p>\n <\/jats:sec>\n \n Study Type<\/jats:title>\n Retrospective.<\/jats:p>\n <\/jats:sec>\n \n Subjects<\/jats:title>\n One hundred and ninety\u2010six patients with suspected or confirmed coronary artery disease (men: 141; mean age: 62.9\u2009\u00b1\u200910.6\u2009years) who underwent both photon\u2010counting CCTA and CMRA.<\/jats:p>\n <\/jats:sec>\n \n Field Strength\/Sequences<\/jats:title>\n 3.0T; 3D nonselective pulse non\u2010enhanced whole\u2010heart balanced steady\u2010state free precession sequence.<\/jats:p>\n <\/jats:sec>\n \n Assessment<\/jats:title>\n The presence and morphology (location, length, depth, stenosis severity) of MB were assessed using both CMRA and CCTA and compared. Diagnostic performance for diagnosing MB using CMRA was calculated.<\/jats:p>\n <\/jats:sec>\n \n Statistical Tests<\/jats:title>\n \n Diagnostic performance was assessed using sensitivity, specificity, accuracy, positive predictive value (PPV), negative predictive value (NPV); morphological characteristics of MB were compared using Bland\u2013Altman analysis and intraclass correlation coefficients (ICC). A two\u2010sided\n p<\/jats:italic>\n \u2009<\u20090.05 indicated statistical significance.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n CCTA identified 92 MBs in 87 patients (44.4%; 82 single\u2010 and 5 multi\u2010segment), and CMRA detected 89 MBs in 84 patients (42.9%; 79 single\u2010 and 5 multi\u2010segment). CMRA had a diagnostic accuracy of 98.5%, sensitivity of 96.6%, specificity of 100%, NPV of 97.3%, and PPV of 100%. CMRA and CCTA demonstrated excellent agreement in the assessment of morphological characteristics for location (ICC\u2009=\u20090.98), length (ICC\u2009=\u20090.98), and depth (ICC\u2009=\u20090.98), with moderate agreement for stenosis severity (ICC\u2009=\u20090.71).<\/jats:p>\n <\/jats:sec>\n \n Data Conclusion<\/jats:title>\n Non\u2010contrast CMRA showed excellent diagnostic performance for MB assessment and has potential to be a feasible, non\u2010invasive, radiation\u2010free, and contrast\u2010free alternative to CCTA.<\/jats:p>\n <\/jats:sec>\n \n Level of Evidence<\/jats:title>\n 3.<\/jats:p>\n <\/jats:sec>\n \n Technical Efficacy<\/jats:title>\n Stage 2.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/jmri.70272","type":"journal-article","created":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T03:09:32Z","timestamp":1771816172000},"page":"1729-1740","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Non\u2010Contrast Coronary\n MR<\/scp>\n Angiography for Myocardial Bridging: Diagnostic Accuracy and Morphologic Agreement With Photon\u2010Counting Coronary\n CT<\/scp>\n Angiography"],"prefix":"10.1002","volume":"63","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4797-4120","authenticated-orcid":false,"given":"Yan\u2010e","family":"Zhao","sequence":"first","affiliation":[{"name":"Department of Radiology Geriatric Hospital of Nanjing Medical University Nanjing Jiangsu 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