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However, imaging study quality may be degraded by breath-holding difficulties, arrhythmias, and implantable cardioverter-defibrillators (ICDs). We evaluated the effect of image quality on left ventricle (LV) base to apex scar interpretation in pre-VA ablation LGE-CMR. 43 consecutive patients referred for VA ablation underwent gradient-recalled-echo LGE-CMR. In ICD patients (n\u2009=\u200924), wide-bandwidth inversion-recovery suppressed ICD artifacts. In non-ICD patients<jats:bold>,<\/jats:bold> single-shot steady-state free-precession LGE-CMR could also be performed to reduce respiratory motion\/arrhythmia artifacts. Study quality was assessed for adequate\/limited scar interpretation due to cardiac\/respiratory motion artifacts, ICD-related artifacts, and image contrast. 28% of non-ICD patients had studies where image quality limited scar interpretation in at least one image compared to 71% of ICD patient studies (p\u2009=\u20090.012). A median of five image slices had limited quality per ICD patient study, compared to 0 images per non-ICD patient study. Poorer quality in ICD patients was largely due to motion-related artifacts (54% ICD vs 6% non-ICD studies, p\u2009=\u20090.001) as well as ICD-related image artifacts (25% of studies). In VA ablation patients with ICDs, conventional CMR protocols frequently have image slices with limited scar interpretation, which can limit whole-heart scar assessment. Motion artifacts contribute to suboptimal image quality, particularly in ICD patients. Improved methods for motion and ICD artifact suppression may better delineate high-resolution LGE scar features of interest for guiding VA ablation.<\/jats:p>","DOI":"10.1007\/s10554-022-02734-5","type":"journal-article","created":{"date-parts":[[2022,11,4]],"date-time":"2022-11-04T16:03:44Z","timestamp":1667577824000},"page":"411-421","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Quality assessment of cardiac magnetic resonance myocardial scar imaging prior to ventricular arrhythmia ablation"],"prefix":"10.1007","volume":"39","author":[{"given":"Rushil","family":"Shah","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Apurva","family":"Sharma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabrizio","family":"Assis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Henrique Doria","family":"De Vasconcellos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Navya","family":"Alugubelli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pallavi","family":"Pandey","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tauseef","family":"Akhtar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessio","family":"Gasperetti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shijie","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Henry","family":"Halperin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan L.","family":"Zimmerman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Harikrishna","family":"Tandri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aravindan","family":"Kolandaivelu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,11,4]]},"reference":[{"issue":"25","key":"2734_CR1","doi-asserted-by":"publisher","first-page":"2491","DOI":"10.1161\/CIRCULATIONAHA.117.029349","volume":"136","author":"S Mahida","year":"2017","unstructured":"Mahida S, Sacher F, Dubois R, Sermesant M, Bogun F, Haissaguerre M et al (2017) cardiac imaging in patients with ventricular tachycardia. 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