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Koj tseem nyob ntawm no: Tsev » Xov xwm » Kev raug mob » txoj hauj lwm Prosthesis: UKA prosthesis Overhang yuav ua li cas rau txim?

Prosthesis txoj hauj lwm: UKA prosthesis Overhang yuav ua li cas rau txim?

Views: 16     Author: Site Editor Publish Time: 2022-11-07 Keeb Kwm: Qhov chaw

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Unicompartmental hauv caug arthroplasty (UKA) yog ib qho kev phais rau tag nrho lub hauv caug arthroplasty (TKA) rau kev kho mob ntawm unicompartmental osteoarthritis. Txawm li cas los xij, cov ntaub ntawv ntawm qhov ua tsis tiav ntawm UKA qhia txog 7-xyoo txoj sia nyob ntawm 74%, uas yog qis dua li ntawm TKA (92%). Txawm hais tias cov neeg mob tus kheej yam tseem ceeb ua rau muaj kev pheej hmoo ntawm kev ua tsis tiav, xws li cov neeg mob yau thiab siab dua lub cev qhov ntsuas (BMI) tuaj yeem ua rau muaj kev pheej hmoo ntawm UKA tsis ua haujlwm, kev phais kev phais tau raug suav tias yog qhov tseem ceeb ntawm kev pheej hmoo rau kev ua tsis tiav thaum ntxov. Hauv UKA, nws yog qhov nyuaj kom ua tiav qhov kev pom zoo ntawm cov pob qij txha thiab kev hla dhau (overhang). Lub tibial prosthesis yuav tsum tau loj thiab implanted nyob rau hauv ib tug yam uas txo cov mos mos khaus khaus, thiab ib tug medial tibial overhang ntawm ntau tshaj 3 hli tau pom tias yog ib qho tseem ceeb txaus ntshai rau txo Oxford Knee Score (OKS) thiab muaj zog. Lub hom phiaj tseem ceeb ntawm txoj kev tshawb fawb no yog los soj ntsuam tag nrho cov kev kuaj mob thiab cov txiaj ntsig ntawm UKA. Lub hom phiaj thib ob yog los soj ntsuam cov txiaj ntsig ntawm cov pob qij txha malalignment thiab overhang ntawm kev cog qoob loo. Txawm li cas los xij, cov ntaub ntawv ntawm qhov ua tsis tiav ntawm UKA qhia txog 7-xyoo txoj sia nyob ntawm 74%, uas yog qis dua li ntawm TKA (92%). Txawm hais tias cov neeg mob tus kheej yam tseem ceeb ua rau muaj kev pheej hmoo ntawm kev ua tsis tiav, xws li cov neeg mob yau thiab siab dua lub cev qhov ntsuas (BMI) tuaj yeem ua rau muaj kev pheej hmoo ntawm UKA tsis ua haujlwm, kev phais kev phais tau raug suav tias yog qhov tseem ceeb ntawm kev pheej hmoo rau kev ua tsis tiav thaum ntxov. Hauv UKA, nws yog qhov nyuaj kom ua tiav qhov kev pom zoo ntawm cov pob qij txha thiab kev hla dhau (overhang). Lub tibial prosthesis yuav tsum tau loj thiab implanted nyob rau hauv ib tug yam uas txo cov mos mos khaus khaus, thiab ib tug medial tibial overhang ntawm ntau tshaj 3 hli tau pom tias yog ib qho tseem ceeb txaus ntshai rau txo Oxford Knee Score (OKS) thiab muaj zog. Lub hom phiaj tseem ceeb ntawm txoj kev tshawb fawb no yog los soj ntsuam tag nrho cov kev kuaj mob thiab cov txiaj ntsig ntawm UKA. Lub hom phiaj thib ob yog txhawm rau txheeb xyuas cov txiaj ntsig ntawm kev ua tsis zoo ntawm cov pob qij txha thiab ua rau lub cev muaj sia nyob.


Cov txheej txheem


Txoj kev tshawb no yog ib qho kev tshawb fawb ib leeg uas suav nrog cov txiv neej thiab poj niam cov neeg mob uas tau txais kev kho mob hauv UKA ntawm peb lub tsev kawm ntawv txij lub Ib Hlis 2008 txog Lub Kaum Ob Hlis 2017, thiab txhua tus neeg mob tau txais UKA siv cov qauv txheej txheem.Cov txheej txheem tsis suav rau UKA suav nrog kev mob hnyav rau valgus deformity, patellofemoral compartment mob caj dab, posterior tibial displacement. Cov txiaj ntsig kho mob thiab cov duab kos tau tau txais los ntawm kev tshuaj xyuas rov qab ntawm cov ntaub ntawv kho mob thiab cov ntaub ntawv hauv tsev. Femoral coronal thiab sagittal angles (FCA thiab FSA) thiab tibial coronal thiab sagittal kaum (TCA thiab TSA) tau ntsuas ntawm cov duab hluav taws xob rau txhua qhov chaw ruaj khov thiab txav tau-platform UKAs, raws li qhia.

TCA and TSA


Kev tshwm sim


Qhov nruab nrab kev soj ntsuam yog 4.9 xyoo (0.03 txog 10.2 xyoo). Peb tau txheeb xyuas 36 qhov kev kho mob phais nrog qhov nruab nrab ntawm 3.7 xyoo (0.03 txog 8.7 xyoo) tom qab kev phais thiab qhov ua tsis tiav ntawm 14.2%. 5-xyoo ciaj sia taus yog 88.0% (95% kev ntseeg siab ncua sij hawm [CI] = 82.0% rau 91.0%) thiab 10-xyoo ciaj sia taus yog 70.0% (95% CI = 56.0% rau 80.0%).

Cov duab 20221107140537

Feem ntau yog vim li cas rau kev kho dua tshiab yog qhov tsis zoo / tsis ruaj khov ntawm cov pob qij txha (31%), kev ua haujlwm tsis ua haujlwm (22%), osteoarthritis (14%), thiab qhov mob tsis tau piav qhia (8%).


Tsuas yog 11.9% ntawm UKAs tau ua tiav tag nrho cov kev xav tau kev sib raug zoo thiab kev pab txhawb nqa. Sab hauv overhang ntawm prosthesis tsis yog ib qho tseem ceeb txaus ntshai rau UKA tsis ua haujlwm (10.0% tsis ua haujlwm tus nqi, p = 0.090), thiab posterior overhang ntawm prosthesis (25.0%, p = 0.006) thiab medial overhang ntawm lub prosthesis (38.2%, p <0.001) yog qhov tseem ceeb txaus ntshai rau UKA tsis ua haujlwm.


Sib tham


Nyob rau hauv txoj kev tshawb no, peb tau soj ntsuam cov kev soj ntsuam thiab kev ntsuam xyuas cov txiaj ntsig ntawm medial UKA thiab qhov cuam tshuam ntawm kev sib txuas ntawm cov pob qij txha thiab overhang. 5- thiab 10-xyoo cov ciaj sia taus yog 88% thiab 70%, feem, thiab qis dua rau TKA. Feem ntau cov lus qhia rau kev kho yog qhov tsis zoo ntawm cov pob qij txha, kev ua haujlwm tsis zoo, thiab kev mob ntawm osteoarthritis. Kev tsis zoo ntawm cov pob qij txha tsis zoo thiab tom qab thiab sab hauv nruab nrab yog qhov tseem ceeb txaus ntshai rau UKA hloov kho.


Nyob rau hauv cov ntaub ntawv luam tawm, ob qho laj thawj tseem ceeb ntawm UKA tsis ua haujlwm yog aseptic loosening thiab osteoarthritic kev loj hlob, ob qho tib si uas muaj cov khoom thauj tsis sib luag, qhia tias cov lus hais saum toj no ua rau UKA tsis ua haujlwm yuav ua rau muaj qhov xwm txheej. Cov ntaub ntawv pov thawj no qhia tau hais tias kev ua haujlwm tsis zoo yog qhov ua rau ua rau UKA ua tsis tiav thaum ntxov. Yog li, peb ntseeg tias yuav tsum tau siv zog los txhim kho cov txheej txheem phais kom txhim kho UKA prosthesis alignment thiab txo qhov tshwm sim ntawm overhang.


Cov kev tshawb pom tam sim no qhia tau hais tias kev sib raug zoo ntawm cov neeg tsis zoo prosthesis alignment / overhang thiab qhov kev pheej hmoo ntawm kev kho dua tshiab qhia tias muaj peev xwm ua rau muaj kev ua tsis tau zoo hauv qhov kev tshawb fawb no. Tus kws phais neeg muaj peev xwm ua tau raws li qhov yuav tsum tau ua hauv qhov kev tso kawm ntawm prosthesis yog qhov tseem ceeb hauv kev pab txhim kho UKA cov ciaj sia taus.


Yuav Ua Li Cas Orthopedic Implants thiab Orthopedic Instruments?


Rau CZMEDITECH , peb muaj cov khoom lag luam ua tiav ntawm orthopedic phais implants thiab cov cuab yeej siv, cov khoom suav nrog txha caj qaum, intramedullary rau tes, kev raug mob phaj, xauv phaj, cranial-maxillofacial cov, prosthesis, cov cuab yeej siv zog, sab nraud fixators, arthroscopy, Veterinary saib xyuas thiab lawv cov cuab yeej txhawb nqa.


Tsis tas li ntawd, peb tau cog lus los tsim cov khoom tshiab thiab nthuav dav cov khoom lag luam, txhawm rau ua kom tau raws li kev xav tau ntawm kev phais ntawm ntau tus kws kho mob thiab cov neeg mob, thiab tseem ua rau peb lub tuam txhab muaj kev sib tw ntau dua nyob rau hauv tag nrho lub ntiaj teb orthopedic implants thiab instruments kev lag luam.


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