{"doi":"10.1002/mrm.28506","title":"Free‐breathing simultaneous myocardial T<sub>1</sub> and T<sub>2</sub> mapping with whole left ventricle coverage","abstract":"Purpose To develop a free‐breathing sequence, that is, Multislice Joint T 1 ‐T 2 , for simultaneous measurement of myocardial T 1 and T 2 for multiple slices to achieve whole left‐ventricular coverage. Methods Multislice Joint T 1 ‐T 2 adopts slice‐interleaved acquisition to collect 10 single‐shot electrocardiogram‐triggered images for each slice prepared by saturation and T 2 preparation to simultaneously estimate myocardial T 1 and T 2 and achieve whole left‐ventricular coverage. Prospective slice‐tracking using a respiratory navigator and retrospective image registration are used to reduce through‐plane and in‐plane motion, respectively. Multislice Joint T 1 ‐T 2 was validated through numerical simulations and phantom and in vivo experiments, and compared with saturation‐recovery single‐shot acquisition and T 2 ‐prepared balanced Steady‐State Free Precession (T 2 ‐prep SSFP) sequences. Results Phantom T 1 and T 2 from Multislice Joint T 1 ‐T 2 had good accuracy and precision, and were insensitive to heart rate. Multislice Joint T 1 ‐T 2 yielded T 1 and T 2 maps of nine left‐ventricular slices in 1.4 minutes. The mean left‐ventricular T 1 difference between saturation‐recovery single‐shot acquisition and Multislice Joint T 1 ‐T 2 across healthy subjects and patients was 191 ms (1564 ± 60 ms versus 1373 ± 50 ms; P &lt; .05) and 111 ms (1535 ± 49 ms vs 1423 ± 49 ms; P &lt; .05), respectively. The mean difference in left‐ventricular T 2 between T 2 ‐prep SSFP and Multislice Joint T 1 ‐T 2 across healthy subjects and patients was −6.3 ms (42.4 ± 1.4 ms vs 48.7 ± 2.5; P &lt; .05) and −5.7 ms (41.6 ± 2.5 ms vs 47.3 ± 2.7; P &lt; .05), respectively. Conclusion Multislice Joint T 1 ‐T 2 enables quantification of whole left‐ventricular T 1 and T 2 during free breathing within a clinically feasible scan time of less than 2 minutes.","journal":"Magnetic Resonance in Medicine","year":2020,"id":99477,"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":30,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9376,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2020-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":317789,"name":"Xiaoying Cai","orcid":"0000-0002-9650-0063","position":1,"is_corresponding":false},{"id":317790,"name":"Selçuk Küçükseymen","orcid":"0000-0002-9757-3088","position":2,"is_corresponding":false},{"id":351704,"name":"Jennifer Rodriguez","orcid":"0000-0002-6291-9173","position":3,"is_corresponding":false},{"id":352465,"name":"Amanda Paskavitz","orcid":null,"position":4,"is_corresponding":false},{"id":354010,"name":"Patrick Pierce","orcid":"0000-0002-0774-1827","position":5,"is_corresponding":false},{"id":354011,"name":"Beth Goddu","orcid":"0009-0006-2347-2686","position":6,"is_corresponding":false},{"id":489831,"name":"Richard B. Thompson","orcid":"0000-0003-3319-4377","position":7,"is_corresponding":false},{"id":317794,"name":"Reza Nezafat","orcid":"0000-0002-1963-7138","position":8,"is_corresponding":false},{"id":489830,"name":"Rui Guo","orcid":"0000-0002-5188-6281","position":0,"is_corresponding":true}],"reference_count":62,"raw_metadata":null,"created_at":"2026-07-18T22:38:09.754371Z","pmid":"33078443","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":[]}