{"doi":"10.58530/2022/1231","title":"Imaging of aortic valve dynamics: comparison between sub-millisecond MRI and echocardiography","abstract":"<jats:p>The aortic valve dynamics is traditionally examined using ultrasound echocardiography in clinical practice. Recently, a novel MRI technique capable of sub-millisecond temporal resolution, coined get-SPEEDI MRI, was successfully applied to visualize the aortic valve dynamics. We have evaluated both get-SPEEDI and echocardiography on healthy human subjects and found a substantial agreement between both techniques in the characterization of the aortic valve opening and closing phases. The sub-millisecond temporal resolution of get-SPEEDI allows for the measurement of steep AVA variations and the visualization of detailed features that may reflect the cardiac function and physiology.</jats:p>","journal":"ISMRM Annual Meeting","year":null,"id":661788,"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":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":741129,"name":"Qingfei Luo","orcid":"0000-0001-5574-817X","position":1,"is_corresponding":false},{"id":300652,"name":"Zheng Zhong","orcid":"0000-0002-1262-4115","position":2,"is_corresponding":false},{"id":1727701,"name":"Noreen T Nazir","orcid":null,"position":3,"is_corresponding":false},{"id":1727702,"name":"Karen Xie","orcid":null,"position":4,"is_corresponding":false},{"id":434365,"name":"Xiaohong Joe Zhou","orcid":"0000-0003-0793-4925","position":5,"is_corresponding":false},{"id":520698,"name":"Alessandro Scotti","orcid":"0000-0002-8892-881X","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Imaging of aortic valve dynamics: comparison between sub-millisecond MRI and echocardiography","abstract":"The aortic valve dynamics is traditionally examined using ultrasound echocardiography in clinical practice. Recently, a novel MRI technique capable of sub-millisecond temporal resolution, coined get-SPEEDI MRI, was successfully applied to visualize the aortic valve dynamics. We have evaluated both get-SPEEDI and echocardiography on healthy human subjects and found a substantial agreement between both techniques in the characterization of the aortic valve opening and closing phases. The sub-millisecond temporal resolution of get-SPEEDI allows for the measurement of steep AVA variations and the visualization of detailed features that may reflect the cardiac function and physiology.","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"42484717","pmcid":null,"openalex_id":"https://openalex.org/W4385545596","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.21849005,"influential_citations":0,"citation_trend":[],"oa_status":"closed","license":null,"oa_locations":[{"url":"https://doi.org/10.58530/2022/1231","host_type":"journal"}],"fields_of_study":["Advanced MRI Techniques and Applications","Cardiac Valve Diseases and Treatments","Cardiac Imaging and Diagnostics","Humans","Pre-Eclampsia","MicroRNAs","Female","Proto-Oncogene Proteins c-akt","Phosphatidylinositol 3-Kinases","Pregnancy","Signal Transduction","Trophoblasts","Cell Proliferation","Apoptosis","Cell Movement","Cell Line","Placenta","Disease Progression","Adult"],"mesh_terms":["Humans","Pre-Eclampsia","MicroRNAs","Female","Proto-Oncogene Proteins c-akt","Phosphatidylinositol 3-Kinases","Pregnancy","Signal Transduction","Trophoblasts","Cell Proliferation","Apoptosis","Cell Movement","Cell Line","Placenta","Disease Progression","Adult"],"keywords":["Millisecond","Temporal resolution","Aortic valve","Closing (real estate)","Magnetic resonance imaging","Ventricular function","Cardiology","Medicine","Radiology","Physics","Optics","Preeclampsia","miR-126-3p༛PI3K༛proliferation༛invasion ༛migration"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Good health and well-being"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-12T11:38:31.729648Z","pmid":null,"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":[]}