Determination of a Testing Threshold for Lumbar Puncture in the Diagnosis of Subarachnoid Hemorrhage after a Negative Head Computed Tomography: A Decision Analysis
Taylor RA, Gill H, Marcolini EG, Meyers HP, Faust JS, Newman DH. Determination of a Testing Threshold for Lumbar Puncture in the Diagnosis of Subarachnoid Hemorrhage after a Negative Head Computed Tomography: A Decision Analysis. Academic Emergency Medicine 2016, 23: 1119-1127. PMID: 27378053, DOI: 10.1111/acem.13042.Peer-Reviewed Original ResearchConceptsProbabilistic sensitivity analysesNegative head CTAneurysmal subarachnoid hemorrhageSubarachnoid hemorrhageLumbar punctureNegative CTTesting thresholdHead CTNormal neurologic findingsContrast-induced nephropathyNonaneurysmal subarachnoid hemorrhageLong-term morbidityHead Computed TomographyTwo-way sensitivity analysesDecision analytic modelProbability of deathNeurologic findingsRenal failureClinical variablesCurrent guidelinesPretest probabilityComputed tomographySecondary aimCTHemorrhageThe Association Between Physician Empathy and Variation in Imaging Use
Melnick ER, O'Brien EG, Kovalerchik O, Fleischman W, Venkatesh AK, Taylor RA. The Association Between Physician Empathy and Variation in Imaging Use. Academic Emergency Medicine 2016, 23: 895-904. PMID: 27343485, PMCID: PMC5884096, DOI: 10.1111/acem.13017.Peer-Reviewed Original ResearchConceptsCT utilizationEmergency physician performanceEmergency physiciansPhysician performanceCT utilization ratesEmergency Department CTPhysician survey respondentsPatient-level variablesCross-sectional studyCohort of physiciansPhysician empathyLarge health systemPsychometric testsMixed effects regression modelsPhysician-based factorsPsychometric scalesSurvey response rateAcademic EDSubset analysisPhysician demographicsHead CTInterphysician variationResponse rateImaging useRTS score