{"id":"W4389616656","doi":"10.1161/jaha.123.029491","title":"Hemodynamic Failure Staging With Blood Oxygenation Level–Dependent Cerebrovascular Reactivity and Acetazolamide‐Challenged ( <sup>15</sup> O‐)H <sub>2</sub> O‐Positron Emission Tomography Across Individual Cerebrovascular Territories","year":2023,"lang":"en","type":"article","venue":"Journal of the American Heart Association","topic":"Cerebrovascular and Carotid Artery Diseases","field":"Medicine","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; University Health Network","funders":"Universität Zürich","keywords":"Positron emission tomography; Medicine; Acetazolamide; Nuclear medicine; Emission computed tomography; Cerebral blood flow; Hemodynamics; Cardiology; Perfusion; Cutoff; Radiology; Internal medicine; Physics","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":[0.001517118,0.0004669357,0.0003311126,0.0008457603,0.0002226759,0.0004524644,0.0002572241,0.0005509022,0.0007454676],"category_scores_gemma":[0.001708583,0.0001233051,0.0002837205,0.000252204,0.000499832,0.0002703139,0.0003656038,0.0002095244,0.0001431232],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001986398,"about_ca_system_score_gemma":0.0002386466,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005671013,"about_ca_topic_score_gemma":0.001210417,"domain_scores_codex":[0.9996033,0.0001448618,0.00004976501,0.00007763712,0.00004728812,0.00007705741],"domain_scores_gemma":[0.9989427,0.0003152166,0.0003384202,0.0000635379,0.0001008624,0.0002393102],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002609046,0.0001496342,0.9843585,0.00002467401,0.00007373375,0.0003443938,0.0001245965,0.0008839283,0.006924248,0.00003945374,0.0001106074,0.004357047],"study_design_scores_gemma":[0.0000768896,0.002578592,0.9892011,0.000008703592,0.00006047723,0.0008619287,0.0001071316,0.004079967,0.002800976,0.00006420661,0.0001433569,0.00001665748],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998958,0.00007675098,0.000554802,0.00001008811,0.000004145207,0.00004402842,0.00005862844,0.000005603215,0.0002879882],"genre_scores_gemma":[0.9992282,0.00002052704,0.0005685947,0.000007749021,0.000008288881,0.00003440584,0.00007652044,0.000001009872,0.00005453295],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001517118,"threshold_uncertainty_score":0.008023381,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008570638216899218,"score_gpt":0.2355313089288022,"score_spread":0.226960670711903,"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."}}