vitro study of accuracy cervical pedicle screw insertion using an electronic conductivity device atps part iii使用电子电导率设备ATPSIII体外研究颈椎螺钉精度.pdf

EurSpineJ(2009)18:1300–1313

DOI10.1007/s00586-009-1054-1

ORIGINALARTICLE

Invitrostudyofaccuracyofcervicalpediclescrewinsertionusing

anelectronicconductivitydevice(ATPSpartIII)

HeikoKollerÆWolfgangHitzlÆFrankAcostaÆMarkTauberÆ

JulianeZennerÆHerbertReschÆYasutsuguYukawaÆOliverMeierÆ

ReneSchmidtÆMichaelMayer

Received:20January2009/Revised:3April2009/Accepted:21May2009/Publishedonline:3July2009

-Verlag2009

Reconstructionofthehighlyunstable,anteri-sagittalplanein78and96%,furtherresearchwasindi-

orlydecompressedcervicalspineposesbiomechanicalcatedrefiningtechniqueandincreasingaccuracy.Inlight

challengestocurrentstabilizationstrategies,includingoffirstclinicalcaseseries,theauthorsanalyzedthe

circumferentialinstrumentedfusion,topreventfailure.Toimpactofusinganelectronicconductivitydevice(ECD,

avoidsecondaryposteriorsurgery,particularlyinthePediGuard)ontheaccuracyofATPSinsertion.Asthere

elderlypopulation,whileincreasingprimaryconstructexistonlyexperiencesinthoracolumbarsurgerythever-

rigidityofanterior-onlyreconstructions,theauthorssatilityoftheECDwasalsoassessedforposteriorcer-

introducedtheconceptofanteriortranspedicularscrewvicalpediclescrewfixation(pCPS).30ATPSand30

(ATPS)fixationandplating.Wedemonstrateditsmor-pCPSwereinsertedalternatelyintotheC3–T1vertebraof

phologicalfeasibility,itssuperiorbiomechanicalpull-outfivefresh-frozenspecimen.Fluoroscopicassistancewas

characteristicscomparedwithvertebralbodyscrewsandonlyusedfortheentrypointselection