前额叶与胼胝体mr-dti在老年患者pocd中的分析

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1、万方数据non-POCDgroups．5．Allthepatientsacceptedcombinedinhalationandintravenousanesthesiaandthebispectralindex(BIS)valuewasmaintainedat45---60．TheoperationtimeandbloodlosswererecordedandallthepatientsreceivedPatient—controlledIntravenousAnalgesia(PCIA)postoperatively．6．S

2、PSSstatistics17．0wasusedforstatisticalanalyses．Themeasurementdatawerepresentedasmean-4-standarddeviation(x土s)．Ifthedataconformstonormaldistributionandhomogeneityofvariance，parametertestwillbeadopted：pairedttestinComparisoninnergroups，two-samplettestincomparisonbetwee

3、nthetwogroups；Chi-squaredtestisadoptedbyenumerationdata．APvaluelessthanO．05wasregardedasstatisticallysignificantdifference．Results：1．TheincidenceofPOCD：Sixpatientswithdrewtheresearch；POCDWasfoundin17／59patients(28．81％)onthe7mdaypostoperatively．TheincidenceofPOCDinthe

4、elderlyagedatleast65yearsundergoingelectivegastrointestinalsurgerywas28．81％onthe7也daypostoperatively．2．Cognitivefunctionassessmentresultscomparison：a)Comparisonbetweengroupspreoperatively：therewasnosignificantdifference俨>O．05)；b)Comparisoninnergroups：POCDgrouphadsign

5、ificantdifferenceinthevisualreproduction，associativelearningandthegroovedpegboardtestnon—dominanthand(P

6、upinPFCandCCgenupreoperativelyandpostoperatively(PO．05)．Conclusion：ThereislowerFAvalueonPFCandCCgenuinPOCDthanpreoperatively,SOFAvaluecancontributetopreopera

7、tivepredictionandevaluationofPOCDintheelderlypatients．5figures，6tables，95referencesKeywords：Postoperativecognitivedysfunction；Magneticresonanceimaging；Diffusiontensorimaging；Theelderly；Prefrontalcortex；CorpuscallosumCiassification：R614．2V万方数据目录原创性声明⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯I中文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯II英文摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯Ⅳ目录⋯⋯⋯⋯⋯·⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯“Ⅵ中英文缩略词表⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯