{"id":"W3110036969","doi":"10.1161/circ.116.suppl_16.ii_658-d","title":"Abstract 2951: Estimation of Perfusion with <sup>13</sup> N-Ammonia Retention Underestimates the Frequency and Extent of Hibernating Myocardium when Compared to Quantification of Absolute Myocardial Blood Flow","year":2007,"lang":"en","type":"article","venue":"Circulation","topic":"Cardiac Imaging and Diagnostics","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"","keywords":"Perfusion; Medicine; Hibernating myocardium; Cardiology; Blood flow; Internal medicine; Perfusion scanning; Nuclear medicine; Revascularization; Myocardial infarction","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007193479,0.0003926189,0.0003838622,0.0003396112,0.0001086214,0.0004569338,0.0002077131,0.0004240658,0.005133875],"category_scores_gemma":[0.001000545,0.0001923305,0.0001415782,0.0001852971,0.0003018121,0.0003186174,0.0001934607,0.0002395806,0.001217634],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001274199,"about_ca_system_score_gemma":0.0001202185,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004892733,"about_ca_topic_score_gemma":0.0005021433,"domain_scores_codex":[0.9998092,0.00006146828,0.00001657138,0.00004467399,0.00004879251,0.00001932482],"domain_scores_gemma":[0.999516,0.0001876023,0.0001453122,0.00003778295,0.00005605182,0.00005724375],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.004518742,0.0001636823,0.2291823,0.0004421643,0.0001648046,0.0007937395,0.0001269892,0.000660205,0.7114504,0.0001095123,0.001107387,0.05128006],"study_design_scores_gemma":[0.0001088882,0.001784353,0.8418249,0.00007214537,0.0001845383,0.006771807,0.0001400123,0.01356385,0.1332694,0.0002666849,0.001987367,0.00002601889],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9897837,0.001438889,0.006831685,0.00005711321,0.00001935718,0.00002134983,0.0002394948,0.0001057195,0.00150261],"genre_scores_gemma":[0.9961584,0.0002199197,0.002292728,0.00006057941,0.00002424398,0.0000213934,0.0003897537,0.00002389786,0.000809153],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005133875,"threshold_uncertainty_score":0.01717448,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02317352203646081,"score_gpt":0.2698449612256018,"score_spread":0.2466714391891409,"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."}}