{"doi":"10.1007/s10554-022-02734-5","title":"Quality assessment of cardiac magnetic resonance myocardial scar imaging prior to ventricular arrhythmia ablation","abstract":"High-resolution scar characterization using late gadolinium enhancement cardiac magnetic resonance imaging (LGE-CMR) is useful for guiding ventricular arrhythmia (VA) treatment. 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 = 24), wide-bandwidth inversion-recovery suppressed ICD artifacts. In non-ICD patients, 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 = 0.012). 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 = 0.001) 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.","journal":"The International Journal of Cardiovascular Imaging","year":2022,"id":294037,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9625,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2022-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":674203,"name":"Apurva Sharma","orcid":"0000-0002-7419-9652","position":1,"is_corresponding":false},{"id":979029,"name":"Fabrizio Assis","orcid":"0000-0003-2605-0447","position":2,"is_corresponding":false},{"id":377219,"name":"Henrique Doria De Vasconcellos","orcid":"0000-0002-9758-2240","position":3,"is_corresponding":false},{"id":979030,"name":"Navya Alugubelli","orcid":"0000-0001-9890-9375","position":4,"is_corresponding":false},{"id":680353,"name":"Pallavi Pandey","orcid":"0000-0003-0853-7892","position":5,"is_corresponding":false},{"id":680352,"name":"Tauseef Akhtar","orcid":"0000-0003-3471-6704","position":6,"is_corresponding":false},{"id":854478,"name":"Alessio Gasperetti","orcid":"0000-0003-3432-070X","position":7,"is_corresponding":false},{"id":333393,"name":"Shijie Zhou","orcid":"0000-0002-6082-8921","position":8,"is_corresponding":false},{"id":375582,"name":"Henry R. Halperin","orcid":null,"position":9,"is_corresponding":false},{"id":333394,"name":"Stefan L. Zimmerman","orcid":"0000-0002-9422-6742","position":10,"is_corresponding":false},{"id":333395,"name":"Harikrishna Tandri","orcid":"0000-0003-2651-4352","position":11,"is_corresponding":false},{"id":771310,"name":"Aravindan Kolandaivelu","orcid":"0000-0003-3128-765X","position":12,"is_corresponding":false},{"id":519274,"name":"Rushil Shah","orcid":"0000-0002-8218-0206","position":0,"is_corresponding":true}],"reference_count":22,"raw_metadata":null,"created_at":"2026-07-19T00:30:57.469517Z","pmid":"36331683","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}