{"doi":"10.1148/ryct.250296","title":"Cardiovascular MRI–based Biventricular Perfusion Assessment in Two Patients with Chronic Thromboembolic Pulmonary Hypertension Undergoing Pulmonary Thromboendarterectomy","abstract":"Chronic thromboembolic pulmonary hypertension (CTEPH) can lead to right ventricular (RV) ischemia and dysfunction due to chronic pulmonary artery obstruction and increased afterload. While cardiovascular MRI (CMR) enables noninvasive assessment of myocardial perfusion, its role in CTEPH remains unclear. The authors report adenosine stress perfusion CMR findings from two patients with CTEPH before and after pulmonary thromboendarterectomy (PTE). Both showed reduced biventricular perfusion before PTE; one demonstrated post-PTE improvement. Perfusion findings aligned with invasive hemodynamics, suggesting that CMR-derived myocardial perfusion reserve may serve as a valuable tool for assessing treatment response and RV pathophysiologic characteristics in CTEPH. Keywords: Cardiac, Pulmonary Arteries, Chronic Thromboembolic Pulmonary Hypertension, Pulmonary Thromboendarterectomy, Quantitative Perfusion Cardiovascular MRI, Myocardial Blood Flow, Myocardial Perfusion Reserve Supplemental material is available for this article. © RSNA, 2025","journal":"Radiology Cardiothoracic Imaging","year":2025,"id":581891,"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":0.962,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1492004,"name":"María Davó-Jiménez","orcid":"0000-0002-7041-5039","position":1,"is_corresponding":false},{"id":319739,"name":"Brandon Benefield","orcid":"0000-0002-4394-2300","position":2,"is_corresponding":false},{"id":332256,"name":"Nour Beydoun","orcid":"0000-0002-9685-7310","position":3,"is_corresponding":false},{"id":1139941,"name":"David Dushfunian","orcid":"0000-0002-0628-1961","position":4,"is_corresponding":false},{"id":1493417,"name":"S Cohn","orcid":"0000-0001-7819-8289","position":5,"is_corresponding":false},{"id":807051,"name":"Michael J. Cuttica","orcid":"0000-0002-0084-8760","position":6,"is_corresponding":false},{"id":965835,"name":"Ruben Mylvaganam","orcid":"0000-0002-7203-7609","position":7,"is_corresponding":false},{"id":935992,"name":"S. Chris Malaisrie","orcid":"0000-0002-0704-0334","position":8,"is_corresponding":false},{"id":494027,"name":"Stephen Chiu","orcid":"0000-0003-2759-9394","position":9,"is_corresponding":false},{"id":419817,"name":"Li‐Yueh Hsu","orcid":"0000-0002-0826-7290","position":10,"is_corresponding":false},{"id":345284,"name":"Ryan Avery","orcid":"0000-0002-7913-0574","position":11,"is_corresponding":false},{"id":1101548,"name":"Daniel Schimmel","orcid":"0000-0001-6035-7317","position":12,"is_corresponding":false},{"id":871799,"name":"Yasmin Raza","orcid":null,"position":13,"is_corresponding":false},{"id":1493770,"name":"Jordyn Durkin","orcid":null,"position":14,"is_corresponding":false},{"id":713552,"name":"Donny Nieto","orcid":null,"position":15,"is_corresponding":false},{"id":319743,"name":"Michael Markl","orcid":"0000-0002-7686-1128","position":16,"is_corresponding":false},{"id":241146,"name":"Daniel Lee","orcid":"0000-0001-9447-4175","position":17,"is_corresponding":false},{"id":326671,"name":"Daniel Kim","orcid":"0000-0003-2660-8973","position":18,"is_corresponding":false},{"id":319745,"name":"Benjamin H. Freed","orcid":"0000-0003-1075-5047","position":19,"is_corresponding":false},{"id":342549,"name":"Lexiaozi Fan","orcid":"0000-0002-3714-5372","position":0,"is_corresponding":true}],"reference_count":15,"raw_metadata":null,"created_at":"2026-07-19T02:58:51.328454Z","pmid":"41263662","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":[]}