{"id":"W4414229280","doi":"10.1177/15910199251375541","title":"Optimizing density of intrathecal contrast at digital subtraction myelography: Evaluation of differing needle characteristics and injection rates in a phantom","year":2025,"lang":"en","type":"article","venue":"Interventional Neuroradiology","topic":"Neurosurgical Procedures and Complications","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Myelography; Imaging phantom; Intrathecal; Subtraction; Cerebrospinal fluid; Fistula; Contrast (vision)","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":[0.003362705,0.0004784272,0.0002279842,0.0008514496,0.00012579,0.0008474879,0.000451563,0.0005120905,0.0006001713],"category_scores_gemma":[0.01516715,0.000293301,0.0001217638,0.000588131,0.0004300815,0.0007399808,0.0002688512,0.0002486283,0.0001329448],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003743225,"about_ca_system_score_gemma":0.000532241,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001088505,"about_ca_topic_score_gemma":0.0008732799,"domain_scores_codex":[0.9991381,0.000484491,0.00008650934,0.00007998487,0.0001537785,0.00005719276],"domain_scores_gemma":[0.9928878,0.005243591,0.0006667121,0.0003810138,0.0006556521,0.0001653115],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.002472603,0.0005922939,0.01641925,0.0003051169,0.00003628624,0.0001876756,0.0004070713,0.009050931,0.9364003,0.0006809614,0.0001671914,0.0332804],"study_design_scores_gemma":[0.0001474762,0.008706259,0.04371848,0.0001068343,0.0002576081,0.001172356,0.0002563946,0.09563877,0.8464519,0.0003911035,0.003045402,0.0001074312],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.89109,0.001789238,0.1037766,0.0002151371,0.00003684646,0.0005038606,0.0001392623,0.0004357064,0.002013295],"genre_scores_gemma":[0.9101039,0.0005424107,0.08841524,0.00008240077,0.00001005351,0.0001840047,0.000119598,0.0001264085,0.0004159951],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003362705,"threshold_uncertainty_score":0.01778388,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02891568793947075,"score_gpt":0.3231034073733181,"score_spread":0.2941877194338474,"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."}}