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ID:33006882
大小:1.93 MB
页数:43页
时间:2019-02-19
《中国成人髂骨钉钉道的影像学-研究》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中文摘要道高度外,其余各参数男女间差异均有统计学意义。结论:成人髂骨由髂后上棘至髂前下棘存在一个直线骨性钉道通路,且该钉道通路中有两个狭窄点,对髂骨钉起锚固作用,通过两个狭窄点的髂骨钉可保证进钉安全性。统计结果显示中国人髂骨大体形态参变异较大,且多数存在男女差异,为排除地域、性别等因素的干扰,应设计系列尺寸的髂骨钉以适应更广泛的需要。而术前影像学测量则可以为髂骨钉个体化应用提供必要的参考依据,建议术前对髂骨行三维CT扫描重建,以选择尺寸适宜的髂骨钉,明确髂骨钉通道与邻近解剖标志的关系,从而提高手术的准确性和成功率、减少术后并发症。关键词:髂骨;骨螺丝;
2、摄影测量术:腰盆融合;骨盆解剖。4英文摘要RadiographicMeasurementsofChineseAdultTransiliacScrewsinLumbopelvicFixationABSTRACTObjective·Tostudythefeasibilityandsafetyoftheiliacscrewplacement,byradiographicmeasurementsofChineseadultiliacscrewpassagebetweenposteriorsuperioriliacspine(PSIS)andanteriorin
3、ferioriliacspine(AIIS).Theintercorticalwidthattheanteriorconstrictionofpathwaysabovethesciaticnotchwereobtainedasameasureforanin仃aosseous‘‘safezone’’fortransiliacscrewinsertionalonganextraarticularpath.BasedonthefindingsofBerry,whoshowednoclinicallysignificantage-relatedmorpholo
4、gicdifferences,wepooledandaveragedourdatabypatientsex.Wecalculatedthecoefficientofbiologicvariationofeachmeasurement,asameasureforinterindividualmorphologicvariationandmeasurementprecisionwithinourpopulation,asthequotientofstandarddeviationandmean.MaterialandMethods:Reconstruct6
5、0Chineseiliacbymultilayerhelicon-CT.ThelengthofthelinebetweenPSISandAIIS,andthedistancebetweenthelineandgreatersciaticnotchweremeasuredbilaterallyonthelateralview,andthethicknessofthecancellousandcorticalboneatthetwomostnarrowpointsalonetheiliacscrewpassagebilaterallyontheaxialv
6、iew.S英文摘要Weperformedtwo..andthree..dimensionalCTreformationsofthepelvicringusingGeneralElectricAdvantageWindowsSOftware.Wecreatedtwo.dimensionalobliqueaxialreformattedviewsalongthreehypotheticalplanethroughtheposteriorinferioriliacspine(PIIS)andAIIS.Theseplanesdescribepossiblepa
7、thsfortransiliacscrewplacementwithvariableposteriorstartingpointsandananteriorreferencepoint(AIIS)thatwouldbereadilyidentifiedduringsurgery.Inallreformations,maximumlengthofastraightbonycanalwasmeasuredintheposteranteriordirection.Withineachplane,theinnerdiameteroftwostereotypic
8、corticalconstrictionsweremeasuredandlocatedrela
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