{"id":"W3212779738","doi":"10.1161/circimaging.121.012809","title":"Clinical Value of Stress Transaortic Flow Rate During Dobutamine Echocardiography in Reduced Left Ventricular Ejection Fraction, Low-Gradient Aortic Stenosis: A Multicenter Study","year":2021,"lang":"en","type":"article","venue":"Circulation Cardiovascular Imaging","topic":"Cardiac Valve Diseases and Treatments","field":"Medicine","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa; Institut universitaire de cardiologie et de pneumologie de Québec","funders":"","keywords":"Cardiology; Medicine; Internal medicine; Ejection fraction; Stenosis; Aortic valve; Hazard ratio; Dobutamine; Aortic valve stenosis; Aortic valve replacement; Heart failure; Hemodynamics; Confidence interval","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0008031107,0.0003060802,0.001097819,0.0004530694,0.0001184866,0.00004965479,0.00006274059,0.00008465972,0.0000205872],"category_scores_gemma":[0.0001885935,0.0003225514,0.005032412,0.0008623271,0.0000543462,0.0002373889,0.00003712912,0.0002720007,0.000006053136],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002920683,"about_ca_system_score_gemma":0.000104698,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000102324,"about_ca_topic_score_gemma":0.000001498687,"domain_scores_codex":[0.9962112,0.0007824035,0.001038078,0.0008337341,0.0007562297,0.0003783676],"domain_scores_gemma":[0.9981601,0.00006555511,0.0001823225,0.0009182067,0.0004657119,0.0002080636],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001462063,0.001781334,0.9442251,0.0003026205,0.008688827,0.0008259534,0.0002141353,0.03917829,0.0007656869,4.874922e-7,0.000001153246,0.003870174],"study_design_scores_gemma":[0.009367466,0.0000398941,0.9675589,0.0004746879,0.006984147,0.0000337945,0.001342299,0.01250997,0.001431103,0.000006066283,0.000006295051,0.0002453505],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9901778,0.004204892,0.00351877,0.00002958328,0.0005891772,0.001354175,0.00002237286,0.00007150022,0.00003173235],"genre_scores_gemma":[0.9990566,0.0002985837,0.0001357201,0.00002763263,0.0001929424,0.00007723598,0.0001528927,0.00005524828,0.000003184337],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02666832,"threshold_uncertainty_score":0.9999226,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01069493836355791,"score_gpt":0.3008470793776897,"score_spread":0.2901521410141318,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}