Prosthesis posishun: UKA prosthesis Overhang go bring wetin kכnsekvεns?

Yunikɔmpatmɛnt knee atrɔplasti (UKA) na ɔspitul ɔltɛrnativ to tɔtal knee atrɔplasti (TKA) fɔ di tritmɛnt fɔ yunikɔmpatmɛnt ɔstiɔ-arayt. Bɔt di data bɔt di fayl rɛt fɔ UKA sho se 7 ia sɔvayv rɛt na 74%, we rili smɔl pas di wan fɔ TKA (92%). Pan ɔl we di sikman dɛn yon tin dɛn kin mek di sik nɔ wok, lɛk di wan dɛn we yɔŋ ɛn di bɔdi mas indeks (BMI) we ay kin mek di UKA nɔ wok, dɛn dɔn tek di ɔspitul tɛknik mistek dɛn as impɔtant tin dɛn we kin mek dɛn nɔ ebul fɔ du di wok kwik kwik wan. insay UKA, i chalenj fכ achy optimal prosthεtik alaynsmεnt εn ovahang (overhang). di tibial prosthεsis fכ saiz εn implant am di we we go mek di sכft tisu iritashכn sכft, εn dεn sho se we di mεdial tibial ovahang we pas 3 mm na big risk fכ di dכn di Oxford Knee Score (OKS) εn di pen we de inkrεs. Di praymar ɔbjɛktiv fɔ dis stɔdi na fɔ evaluate di ɔvala klinik ɛn imej autkam fɔ UKA. Di sɛkɔndari ɔbjɛktiv na fɔ asɛs di ifɛkt we prɔstɛtik malalaynmɛnt ɛn ɔvahang gɛt pan di implant sɔvayv.Unicompartmental knee arthroplasty (UKA) na ɔspitul ɔltɛrnativ to total knee arthroplasty (TKA) fɔ di tritmɛnt fɔ unicompartmental osteoarthritis. Bɔt di data bɔt di fayl rɛt fɔ UKA sho se 7 ia sɔvayv rɛt na 74%, we rili smɔl pas di wan fɔ TKA (92%). Pan ɔl we di sikman dɛn yon tin dɛn kin mek di sik nɔ wok, lɛk di wan dɛn we yɔŋ ɛn di bɔdi mas indeks (BMI) we ay kin mek di UKA nɔ wok, dɛn dɔn tek di ɔspitul tɛknik mistek dɛn as impɔtant tin dɛn we kin mek dɛn nɔ ebul fɔ du di wok kwik kwik wan. insay UKA, i chalenj fכ achy optimal prosthεtik alaynsmεnt εn ovahang (overhang). di tibial prosthεsis fכ saiz εn implant am di we we go mek di sכft tisu iritashכn sכft, εn dεn sho se we di mεdial tibial ovahang we pas 3 mm na big risk fכ di dכn di Oxford Knee Score (OKS) εn di pen we de inkrεs. Di praymar ɔbjɛktiv fɔ dis stɔdi na fɔ evaluate di ɔvala klinik ɛn imej autkam fɔ UKA. Di sɛkɔndari ɔbjɛktiv na fɔ asɛs di ifɛkt we prɔstɛtik malalaynmɛnt ɛn ɔvahang gɛt pan di implant sɔvayv.

Di we aw dɛn de du am

Dis stכdi na bin wan singl-senta stכdi we inklud man εn uman pasεnshכn dεm we bin כnda mεdial UKA na wi institiushכn frכm Janwari 2008 to Disemba 2017, εn כl di pasεnshכn dεm bin כnda UKA yuz standad mεtכd.Exklushכn krayteria fכ UKA inklud mכdarεt to siriכs valgus difכmiti, patellofemoral kכmpartmεnt atraytis, posita tibial displεsmεnt, εn instεbiliti. Klinik ɛn imej rizɔlt dɛn bin kɔmɔt frɔm wan retrospektiv rivyu fɔ klinik rɛkɔd ɛn institiushɔnal database. fεmoral koronal εn sajital angul dεm (FCA εn FSA) εn tibial koronal εn sajital angul dεm (TCA εn TSA) dεn mεzj pan rεdyugraf fכ כl di fiks-plεtfכm εn muvεbl-plεtfכm UKA dεm, lεk aw dεn sho.

Rizɔlt

Di minin fɔlɔp na bin 4.9 ia (0.03 to 10.2 ia). Wi bin aydentify 36 rivishɔn ɔpreshɔn wit wan minin fɔ 3.7 ia (0.03 to 8.7 ia) afta ɔpreshɔn ɛn wan kumulativ fayl rɛt fɔ 14.2%. 5 ia sɔvayv na bin 88.0% (95% kɔnfidɛns intaval [CI]=82.0% to 91.0%) ɛn 10 ia sɔvayv na bin 70.0% (95% CI=56.0% to 80.0%).

di mכst kכmכn rizin dεm fכ rivεshכn na bin pwεl/כnstεbul prכsεsis alaynmεnt (31%), mεkanikal fεil (22%), prכgrεshכn כsteoarthritis (14%), εn pen we dεn nכ εksplen (8%).

Na 11.9% nɔmɔ pan di UKA dɛn bin ajɔst ɔl di alaynɛshɔn ɛn prɔstɛtik kɔvarej we dɛn bin want. Anterior ovahang of di prosthesis nɔ bin bi wan signifyant risk factor fɔ UKA failure (10.0% failure rate, p=0.090), ɛn posterior ovahang of di prosthesis (25.0%, p=0.006) ɛn medial ovahang of di prosthesis (38.2%, p<0.001) na bin signifyant risk factors fɔ UKA failure.

Tɔk bɔt

In dis stכdi, wi evaluate di klinik εn imej autkam dεm fכ mεdial UKA εn di impak כf prosthεtik alaynsmεnt εn כvhang. 5- ɛn 10-ia sɔvayv rɛt na bin 88% ɛn 70%, rispɛktvɔli, ɛn i bin rili smɔl pas fɔ TKA. di mכst kכmכn indikεshכn fכ rivεshכn na pwεl prosthεtik alaynmεnt, mεkanikal fεil, εn prכgrεshכn fכ כstio-arayt. di pwεl prosthεsis alaynsmεnt εn posita εn mεdial כvahang na imכtant risk fכ UKA rivishכn.

Insay di buk dɛn we dɛn dɔn pablish, di tu men tin dɛn we kin mek UKA nɔ wok na aseptik lɔs ɛn ɔstiɔ-arayt prɔgrɛs, dɛn ɔl tu gɛt nɔ ivin lod distribyushɔn, we sho se di tin dɛn we wi dɔn tɔk bɔt ɔp fɔ mek UKA nɔ wok kin bi mɛkanikal in nature. dis pruf sho se di pwεl prosthεsis alayns na wan pכtεnshal kכz fכ di εli UKA fεil. So, wi biliv se dɛn fɔ tray fɔ mek di ɔspitul tɛknik dɛn bɛtɛ fɔ mek di UKA prostɛsis alaynɛshɔn bɛtɛ ɛn fɔ ridyus di ɔvahang we de apin.

di tin dεm we dεn fכnshכn naw sho se di strכng asosieshכn bitwin pwεl prosthεsis alaynsmεnt/כvhang εn di risk fכ rivεshכn de sho se wan pכtεnshal mεkanism fכ di hεy fεil rεt we dεn obsεv insay dis stכdi. di sכjaman in ebul fכ bi akכrd כltεm we i de put di prosthεsis na imכtant tin fכ εp fכ impruv di UKA sכvayv rεt.

Aw fɔ Bay Ɔtpidik Implant ɛn Ɔtpidik Instrumɛnt dɛn!

Fɔ CZMEDITECH , wi gɛt wan rili kɔmplit prodak layn fɔ ɔtpidik ɔpreshɔn implant ɛn kɔrɛspɔndɛns inschrumɛnt dɛn, di prɔdak dɛn inklud spayna implant dɛn, di nel dεm we de insay di mεdula, trauma plet, plet we de lɔk, kraynia-maksilofashial, prostɛsis we dɛn kin yuz fɔ mek pɔsin in bɔdi, pawa tul dɛn we dɛn kin yuz, eksternal fiksatɔ dɛn, atrɔskɔpi we dɛn kin du, vetɛriana kia ɛn dɛn sɔpɔtin inschrumɛnt sɛt dɛn.

Apat frɔm dat, wi dɔn mekɔp wi maynd fɔ kɔntinyu fɔ divɛlɔp nyu prɔdak ɛn mek di prɔdak layn dɛn bɔku, so dat wi go mit di ɔspitul nid fɔ mɔ dɔktɔ ɛn pasɛnt dɛn, ɛn bak fɔ mek wi kɔmni gɛt mɔ kɔmpitishɔn na di wan ol ɔtpidik implant ɛn inschrumɛnt industri na di wɔl.

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