Post Mortem Blood and Vitreous Humor Ethanol Levels Relation in Fars Legal Medicine Center
[摘要] BackgroundandObjective:Theconcentrationofethanolmeasuredinpostmortembloodneedstobeinterpretedastowhetherthepersonwhohadconsumedalcoholhasexceededsomethresholdlimit.However,interpretingpostmortemBAC(BloodAlcoholConcentration)resultsanddrawingcorrectconclusionsaboutantemortemlevelsisfraughtwithdifficultiesasundersomecircumstancesalcoholmightbeproducedafterdeathbymicrobialactivity.SubjectsandMethods:Inthecaseofethanol,thebloodsamplesshouldbetakenfromafemoralveinandwheneverpossibleadditionalspecimens,suchasurineandvitreoushumor(VH),shouldalsobeobtainedandsentforanalysistobeabletohavethebestinterpretationResults:167Specimensoffemoralveinbloodandvitreoushumorwereanalyzed.Inthisstudy,directinjectionandgas-chromatographictechniqueswereemployedtoquantitatetheethanolconcentrations.ThesetwoconcentrationswerethencomparedandtheBAC/VHAC(ViterousHumorAlcoholConcentration)ratiowasevaluated.Amongthesespecimens,therewere142casesinwhichwehavefoundethanolinbloodbutnotinvitreoushumor.Alsowehavefound2casesbypositiveVHACbutnegativeBAC.Theaveragebloodethanolconcentrationwas61.5mg/dLitwhiletheaverageethanolvitreoushumorconcentrationwas127mg/dLit.However,theratiowasmeasuredas0.7.Conclusion:Thesimilarityintheresultsofthepostmortemcasesreinforcestheassertionthatcoanalysisofvitreoushumorandbloodisimportanttointerpretpostmortemresults.
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[效力级别] [学科分类] 基础医学
[关键词] [时效性]