{"id":"W3161524032","doi":"10.1056/nejmoa2101897","title":"Left Atrial Appendage Occlusion during Cardiac Surgery to Prevent Stroke","year":2021,"lang":"en","type":"article","venue":"New England Journal of Medicine","topic":"Atrial Fibrillation Management and Outcomes","field":"Medicine","cited_by":691,"is_retracted":false,"has_abstract":true,"ca_institutions":"St. Michael's Hospital; University of Toronto; Hamilton Health Sciences; Southlake Regional Health Center; McMaster University; Population Health Research Institute","funders":"Canadian Institutes of Health Research; Nordic Pharma Group; Institute of Circulatory and Respiratory Health; Abiomed; Boston Scientific Corporation; Hamilton Health Sciences; Abbott Diagnostics; Bristol-Myers Squibb; AstraZeneca; AtriCure; Pfizer; Heart and Stroke Foundation of Canada; Sanofi; McMaster University; Amgen","keywords":"Atrial fibrillation; Left atrial appendage occlusion; Medicine; Occlusion; Appendage; Cardiac surgery; Cardiology; Stroke (engine); Atrial Appendage; Internal medicine; Ischemic stroke; Surgery; Ischemia; Anatomy; Warfarin; Sinus rhythm","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001246182,0.0001465415,0.0008242803,0.0002984135,0.00006775544,0.00001296691,0.00006314501,0.00005664106,0.0009648766],"category_scores_gemma":[0.001336968,0.0001015806,0.0004137656,0.0001993259,0.00002054489,0.00008910632,0.00007095105,0.0002151517,0.00001746211],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007628755,"about_ca_system_score_gemma":0.0002331602,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001650017,"about_ca_topic_score_gemma":0.000006445143,"domain_scores_codex":[0.99805,0.000132426,0.0007150416,0.0001484267,0.0007459198,0.0002081541],"domain_scores_gemma":[0.9985179,0.0003946531,0.0002668749,0.0001852584,0.0002085053,0.000426778],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.005475979,0.00003375669,0.7425564,0.0002889871,0.001205792,0.003773805,0.002757667,0.0002943577,0.08188291,0.0000937381,0.06726152,0.09437511],"study_design_scores_gemma":[0.02594281,0.000634289,0.2284889,0.0009814838,0.001071216,0.001300501,0.0004771116,0.00001017667,0.01132174,0.00007642244,0.7294825,0.0002127976],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9420168,0.002585765,0.000435297,0.05003234,0.003656673,0.0002155526,0.000003568715,0.00001942757,0.001034607],"genre_scores_gemma":[0.9498402,0.001183816,0.0005919966,0.0005176102,0.03451031,2.187342e-8,0.00002005644,0.0000232963,0.01331272],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.662221,"threshold_uncertainty_score":0.9999484,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03590680924000066,"score_gpt":0.3146546179633992,"score_spread":0.2787478087233985,"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."}}