DOC

Lmnbus dorsal spine

By Ethel Daniels,2014-06-03 03:07
8 views 0
Lmnbus dorsal spinespine

    Lmnbus dorsal spine ?

    19?

    3.2Lmnbmdorsalspine

    207045rnleassessmentofaccuracyandsafetyoftho- racicpediclescrewplacementinthethefractureoftho? racicspine/HuYong(胡勇,DeptSpinalSurg,1stHosp

    Ning/30,Zhejiang315040)//ChinJSurg.2006,44

    (24).1663(1666

    ObjectiveToinvestigatetheaccuracyandsafetyof pedidescrewplacementinthefractureofthoracicspine. MethodsOnthebasisofirflagingforthefractureoftho

    racicspineof50cases,thescrewprickpoint,angle,depth anddiameterweremeasuredanddefinedonthethoracic vertebratepedidebyCTthin-slicescaninstandardprone inallcases.Theaccuracyandsafetyofscrewsplacement wasevaluatedwithX-rayandCTthin-slicescaninallcas

    espostoperative.ResultsAmongof240thoracicpedicle sLTevcsthatwereinsertedin50cases,220screws (91.7%werefullycontainedwithinthecorticalbound

    ariesofthepedicle,20screws(8.3%)weremisplaced,7 screvcs(2.9%)laterally,5sc(2.1%)anterolateral and2(0.8%)ofitdemonstratedaorticabutment,3 screws(1.3%)caudadperforationsofthepedide,3 Screws(1.3%)expendedthewallofthepedicletoin

    side,2screws(0.8%)weremisplacedinvertebralcanal accordingtoXrayandCTthin-slicescan.ercompar

ingscrewsindifferentpartofthoracic,therewasasig~i

    cantdifference.ConclusionPreoperativeCI"measure

    mentlyofthethoracicpedichinthetreatmentofthoracic fracturecanprovideimportantdata.Itisimportantfactors forthoracicpediclescrewsthatcanbeplacedsafetywith guidedbyintraoperafivefluoroscopictmag~andanatom

    iclandmarks.CTthin-slicescancanevaluateaccuracy misplaceofthoracicpediclescrews,andshowanatomic placesurroundingsofthoracicpediclescrewspostopera

    tive.Moremisplacedscrewsarese~lrlpmximally.24refs, 2figs.

    (Authors)

    Guangzhou510080)//ChinJSurg.2006,44(24).

    

    1667(1671

    ObjectiveTocomparetheclinicalresultsofballoon percutaneouskyphoplasty(PI(P)and"Sky-boneex

    pander"f,I(P.MethodsFromOctober2004toFlebruary 2006,25cases(57)vertebraeballoonPI(Pand24cases (29vertebrae)"Sky-boneexpander"PI(Pprocedureswere performed.Theoperationtime,bluingvolume,cement injectedvolumewererecordedduringoperation.11lepa

    tients'painreliefandfunctionalactivities~overywere evaluatedafteroperation.edistributionofthecement andtherestorationofvertebralheightwerealsoobserved post-operation.Allthesepatientswerefollowed-upby telephoneorclinicconsultsafteraischarged.ResultsAll caSeSweresuccessfullyexperiencedprocedures.Thereare nosignificantdifferencesinoperativetime,blo~ngvol

    Limeando0stofeveryvertebraeinthesetwogroup(P>

0.05).eballoongrouphadlargercementinjectedvol

    LimeperpedidethanSkygroup(4.27?1.08)mlvs.

    (3.15?0.78)ml(P<0.05).ThevASand0DIscor

    ingofthesetwogroupswereb0thdecreasedsignificandy afteroperation.evertebralheightwererestoredin6D

    twogroupswithanteriorheightandmidlineheightre

    storedsignificantlyinballoongroupandmidlineheightre

    storedsignificandyinSkygroup.ecementdistribution of"Sky-boneexpander"(P,vithunipediclar.mjection mosdylimitedintheinjectivesideofthevertebralbody, butmostoftheballoonPKPvertebraewithunipecliclarin

    jectioncanbeseenacross-midllnecementdistributionin theanterior-posteriorpositionXrayfilm.Conclusion B0thballoonPKPand"Sky-boneexpander"f,I(Pareeffi

    caciottsandsafetyinthetreatmentofvertebraleompres

    sionfractures."Skyboneexpander"PI(Pismoresuitable

    forsinglelevelcompressivefracturewhileballoonPKPis especiallysuitableformultiplelevelcompressivefractures. 4refs,8figs,4tabs.

    (Authors)

    207046Acomparisonst.dyofclinicalapplicationbe- tweenballoonpercutaneouskyphoplastyand"Sky-bone207047Experimentalstudyandcli

    nicalapplicationsof

    expander''percutaneonskyphoplasty/ZhengZhaomin(

    computerassistednavigationtechniqueinspinalsurgery/ 召民,DeptSpineSurg,1stMfflHosp,SunYat.senUniv,TianWei(

    ,DeptSpineSung,BeijingJishuitanHosp,

?

    20?ChinaMefliealAbstracts(Surgery).2007.16(1)

4thHospPekingUniv,Beijing100035)//ChinJOr

    thup.2006,26(10).671(675

    ObjectiveToassesstheaccuraciesandfeasibilityof spinesurgeryassistedbydifferenttyl:~ofnavigationsys

    tem.MethodsInexperimentstudy,40humancadaveric cervicalspineswereemployedand3.5rnnlscrewswere placedintothetopediclesfolbwingfivekindsofin

    sertiontechniques:blindscrewplacement(Group1),aS

    rayfluoroscopy(Group2),assistedbyvirtual sNtedbyX

    fluoroscopynavigationsystem(Group3),assistedbyCT. basednavigationsystem(Group4),assistedbyIso-C3D navigationsystem(Group5).Theereafter,corticalin

    tegrityofeverysamplewasexaminedbyanatomicdissec

    tion.Inclinicalstudy,163casesofspineoperationsassist

    edbydifferenttypesofnavigationwerereviewed.Theac

    curaciesofscrewplacementwereevaluatedbypostopera

    fiveCTorIso-C3Dscan.ResultsInexperimentstudy. therewere398pediclesinserted.Group1,theaverageop

    erationtimepersamples27minutes;36.3%ofthe

    SL-l~VC$wereexceUent,26.3%good,and37.5%bad. Group2,theaverageoperationtimewas112minutes; 44.9%exceUent,37.2%good17.9%bad.Group3,the averageoperationtimewas69minutes;42.5%excel

    lent,45.0%good,and12.5%bad.Group4,theaverage operationtimewas98minutes;87.5%excellent.12.5% good.Group5,theaverageoperationtimewas91min

    utes;90%exceUent,10%good.Inclinicalstudy,272 screwsinsertedwithvirtualfluoroscopynavigationsys

    tem,89.3%exceHent,10.7%good.571screwsinserted withCT-basednavigationsystem,84.9%excellent,

    14.4%good.0.7%bad.142screwsirrsertedwithIso-C 3Dnavigationsystem,95.8%exceUent,4.2%good. ConclusionComputer-assistednavigationsystemen

    hancesaccuraciesandfurtherimprovesthesafetyofspine surgery,expeciallyutlizingCT-basednavigationsystem andIso-C3Dnavigationsystem.Iso-C3Dnavigation methodisbetterthantheothertwonavigationmethods. 10refs,9figs,1tab.

    (Authors)

    207048Spinalcordabnormalityanditsdinicalsignifi- Caltlcein"idiopathic"leftthoracicseoliosis/WuLing(

    ,DeptSpineSurg,GulouHasp,NanjmgUnivMed Schoo1.Nanjing210008,}}ChinJSurg.2006,44

    (24).1657(1659

    ObjectiveTodetecttheprevalenceofspinalcord abnormalityin"idiopathic"leftthoracicscoliosisandaria

    lyzeitsclinicalsignificance.MethodsFromOctober1997 toOctober2003.59"idiopathic"leftthoracicscoliosis weretreated.including31malesand28females.Theage wasfrom7to44yearswithanaverageof15years.The Cobbanglewasfrom15.to108.withaverage56..The holoeordMR1wasmadeforallpatients.ResultsThirty- threepatientswerefoundcordabnormality,including24 Chiarimalformationwithsyringomyelia,5syringomyelia, 1Chiarimalformationwithsyringomyeliaanddiastemato

    myelia.1Chiarimalformationwithsyringomyeliaand tetheredcord,1syringomyeliawithtetheredcord,and1 Dandy-Walkermalformation.Theprevalenceofspinal cordabnormalityinleftthoracicscoliosiswas56%.Corn

paredtotheleftthoracicscoliosiswithoutcordabnormali

    ty,theleftthoracicsooliosiswithcordabnormalityhad beenfoundmoreinmalesandthepatientswithbigger Cobbangle(P<0.05).ConclusionForleftthoracic scoliosis,especiallymalepatientorpatientwithbigger Cobbangle,associatedcordabnormalityshouldhehighly suspected.PreoperativeholocordMRIisverymeaningful forthiskindofpatients.8refs,4figs.

    (Authors)

    207049Computerimaging-guidedpereutaneousverte- broplasty/WangLiming(~:黎明,CenterSpinalSu,1st

    A?ilHaspNanjingMedUniv,Nanjing210006)…?

    ChinJOrthop.2006.26(10).676--681

    ObjectiveTostudythemethodandclinicalresults ofInfraredFluoroscopicNavigationGuidingsystemguided percutaneousvertebroplastyforthetreatmentofosteo

    poroticvertebralcompressionfractures.MethodsTwen

    ty-twocaseswith32osteoporoticvertebralcompression fracturesunderwentpercutaneousvertebroplastyguidedby InfraredFluoroscopicNavigationGuidingsystem.The fracturesegmentwaswithinT6L4(14thoracicalverte

?

    21?

    brae,18lumbarvertebrae).Thecompressionratiowas from20%t090%inwhich5vertebralbCldieswere 75%.12vertebralbodiesunderwentPVP.and20verte

    bralbodiesunderwentPKPinwhichballoonexpansion wereusedin12vertebralbodiesandskyexpansionwere usedin8vertebralbodies.Singlevertebralbodyinjection

    werein14cases,twovertebralbodyinjectionwerein6 cases,threevertebralbodyinjectionwerein2cas~~indud

    ing18vertebralbodl~injectionviaunilateralpedideof vertebralarchand14vertebralbodiesinjectionviabilater

    alpedicleofvertebralarch.Restorationofvertebralheight andcementleakagewasobservedbypostoperativeX-ray andCTscan.Changesofpreoperativeandpostoperative vertebralbodyvolumemeasuredbyCTvolumetrywas compared.PreoperativeandpostoperativeVisualanalogue scale(VAS)scorewascompared.ResultsPVPwasSLlC. Cessfulin22caseswith32vertebralbodies.Nonerveand spinalcorddamage,luI1gembolismandheartandbrain vesselacutereactionoccurred.Operativetimewas(18.4 ?4.5)minspervertebralbody.X-raydosagewas(12.2 ?3.4)dGypervertebrae.Them'nountofbonecement Was(4.4?2.5)mlpervertebrae.Thevertebralbody

    voIBn~ewasimprovedfrompreoperative(22.2+-8.6)era3 topostoperative(24.8?6.9)cIn3withasignificantdif.

    ferences(P<0.05).VASsoDredescendedfrompreoper

    ative8.3?1.6topostoperative2.2?3.7withasignifi

    cantdifference(P<0.05).Noserioussyndromeandver

    tebralbodycollapsewasfoundafterfollow-upofmean8 months(616months).ConclusionUsingInfraredFlu

    oroscopicNavigationGuidingpercutaneousvertebroplasty canimproveoperativeprecisionandsecuritydistinctively. reduceXrayirradiationdosage,shortenoperativetime andextendoperativeadaptability.14refs,6figs. (Authors)

    207050Analysisofsaplacementaccuracyfollowing mini-openanteriorcorrectionforadolescentidiopathic

scoliosis/QiuYong(邱勇,SpineSurg,DrumTowerHosp

    NanjingUnivMedSchoo1.Nanjing210008)}}Chin

    Orthop.2006,26(11).728--733

    ObjectiveToanalysistheaccuracyofvertebral screwplacedthroughmini.-openanteriorapproachforado?- lescentidiopathicscoliosis(AIS).Methods20patients withAIStreatedwithminiopenanteriorcurvecorrection

    wereselectedintothisstudy,withtheaverageageof14.5 years.Therewere6inLerlke1A-,5inLenke1AN,6.m Lenke1BNand3inLenke1CN.Theaveragecoronal Cobbangleofthethoraciccurvebeforeoperationwas 44.7..Ateachinstrumentedleve1.thepositionofthe scl~wwasanalyzedonposteriorC-q"scanstodetexnineits proximitytothespinalcanalandtheaorta,includingthe distancefromtherightribheadtothecenterofthescrew (a),thedistancefromtheanteriorcortexofthespinal canaltotheposterioredgeofthescrew(b),thedistance fromtheposteriorwalloftheaortatotheanterioredgeof thescrew(c),thelengthofthescrewpenetratetheleft vertebralbodycortex(d),distancefromtheaortatothe closestpointofthevertebralbodycortex(e)andthean

    glecomposedofthelinebetweentheleftandrightrib headsandthecentrallineoftheSc(a).Thepositionof

    eachscrewrelativetotheaortawasdetermined:D,the screwtipwasdistantfromtheaorta(>1mm);A,the screwtipwasadjacenttotheaorta(?1mm);C,the

    Scl"~Wtipwasfelttobeagainsttheaortaandcreatingcon

    tourdeformity.Theangleo0lTl1)0:ofthecentrallineof

    thescrewandthecentrallineofvertebralbodyonposteri

    orX-rayfilmwasalsomeasured.Resultseaverage

correctionofthemainthoraciccurvewas77.7%postop

    eratively.155screwswereinserted,ofwhich134screws (86.5%)hadabicorticalpurchase.123screws(79.4%) weredistantfromtheaorta.Twoscrewsencroachedinto thespinalcana1.Therewerenosignificantdifferencebe

    t,veentheproximalscrev~s.theperiapicalscrewsandthe distalscrews.Therewerenosignificantdifferencebetween theproximalScrews,theperiapicalscrewsandthedistal

     screws.Therewerenovascularorneurologiccomplica

    tionsorinstrumentationfailureduringoperationorfollow- up.ConclusionMini-openanteriorcorrectionfortype Lenke1scoliosisenableasatisfybicorticalscrewplace

    mentandcurvecorrection.SequentialCTscanbefore surgerymayimprovetheaccuracyofScrewplacement, thusavoidtheaorticorneurologiccomplication.22refs,3

?

    22?

    figs,2tabs

    (Authors)

    3.3Extremityandextremitalreplantation

    207051Antegradeintramedullaryfixationoftheneck andsubcapitalfracturesofthefifthmetacarpul/Pan Yongwei(潘勇卫,DeptHandSurg,BeijingJishuitan

    Hosp,Beijing100035)…?ChinJSurg.2006,44(24).

    

    1689(1692

    ObjectiveToinvestigatethetreatmentofthedis

    placedneckandsubeapitalfracturesofthefifth

metacarpa1.MethodsThirtyonepatientswiththeneck

    andsubcapitalfracturesofthefifthmetacarpalwereoper

    atedonwithantegradeintramedullaryfixationbetween JanuaryandAugust2005.erewere11subcapitalfrac

    tures(groupA),and2.0mnldiameterI(-wire,which waspre-bentinto20.atthedistalend.wasinsertedinto themed~arycanalofthefifthmetacarpalandfixedthe fractures.Postoperatively,patientsingroupAwereimmo

    bilizedinashortmrmplastersplintfor4weeks,andthe onesingroupBweretreatedwithunrestrictedmobiliza

    tion.ResultsOperativetimewas18minaveragely (range5to30min).Twentynineof31patientsobtained

    anatomicreduction,and2patientshad2/3appositionof boneendandnorotationaldeformity.Follow-upwas availableforallpatients.eaveragefollow-upinterval was4months,witharangeof36months.Thehead/

    shaftangleofthefifthmetacarpalingroupAwas63.4.?

    14.5.preoperatively,and15.0.?2.5.postoperatively,

    and15.4.?2.6.in3monthspostoperatively.Thediffer

    encebetweenreoperativeandpostoperativeangleswas highlysignificant.erangeofmotionofthemetacarpal jointwas89.5.?4.3.postoperatively,whichwasnotsig

    nificantlydifferentcomparedwiththatofuninjuredside. TheheadshaftangleingroupBwas59.1o?10.0.preop

    eratively,and15.9.?2.5.postoperatively,and15.5.?

    2.8.in3monthspostoperatively.Thedifferencebetween preoperativeandpostoperativeangleswashighlysignifi

    cant.Therangeofmotionofthemetacarpaljointwas 88.6.?3.6.postoperatively.whichwasnotsignificantly differentcomparedwiththatofuninjuredside.Conclusion

Report this document

For any questions or suggestions please email
cust-service@docsford.com