{"id":"W4280632019","doi":"10.2196/36931","title":"Development of a Head-Mounted Holographic Needle Guidance System for Enhanced Ultrasound-Guided Neuraxial Anesthesia: System Development and Observational Evaluation","year":2022,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Intraoperative Neuromonitoring and Anesthetic Effects","field":"Medicine","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hospital for Sick Children; Health Sciences Centre; University of Toronto; SickKids Foundation; Sunnybrook Health Science Centre","funders":"","keywords":"Headset; Medicine; Imaging phantom; Ultrasound; Fluoroscopy; Medical physics; Radiology; Computer science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"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":[0.004195672,0.0004790583,0.0003118612,0.0004049313,0.0002325777,0.0005061089,0.0009206438,0.0004207994,0.002404665],"category_scores_gemma":[0.006455304,0.0002662409,0.0003257981,0.0001606043,0.0003441823,0.0006098185,0.000634185,0.0002993037,0.0005629725],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005474252,"about_ca_system_score_gemma":0.00161477,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00199413,"about_ca_topic_score_gemma":0.002405436,"domain_scores_codex":[0.9987637,0.0005177565,0.0001081756,0.0001634463,0.0003868706,0.00006009289],"domain_scores_gemma":[0.996033,0.001249415,0.0002548857,0.0003722208,0.00186243,0.0002280699],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.002214311,0.003728287,0.07632899,0.0009978474,0.0002459502,0.0009316665,0.004549457,0.01279726,0.2840988,0.001194209,0.003771602,0.6091416],"study_design_scores_gemma":[0.001743488,0.0357878,0.2716832,0.0002883881,0.0009705187,0.003679624,0.002442912,0.2436889,0.4112548,0.0008098688,0.02724062,0.0004098653],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6891491,0.0001557059,0.300706,0.0001945437,0.00006595552,0.004597862,0.0004775458,0.002816685,0.001836622],"genre_scores_gemma":[0.5457258,0.0002015121,0.4487286,0.0001235617,0.00002230731,0.001919144,0.0007737755,0.0001815742,0.002323775],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004195672,"threshold_uncertainty_score":0.02218914,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1250194871685428,"score_gpt":0.4332398112151683,"score_spread":0.3082203240466255,"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."}}