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 aimCTHemorrhage