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Yu de ya: Os » Nyuz » Shɔk » Distal Tibial Nɛl: Wan Brekthrough in Di Tritmɛnt fɔ Distal Tibial Fraktrɔs

Distal Tibial Nail: Wan Brekthrough in Di Tritmɛnt fɔ Distal Tibial Fraktrɔs

Views: 0     Author: Sayt Ɛditɔ Pɔblish Taym: 2025-06-07 Ɔrijin: Ples

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450

di Distal Tibial Intramedullary Nail (DTN) dεn indikεt fכ difrεn tibial kכndishכn dεm, we inklud simpul, spiral, kכmminut, lכng oblique, εn sεgmεnt shaft frakshכn (patikul fכ di distal tibia), εn bak distal tibial mεtaphyseal frakshכn, nכn-/mal-yunion; i kin yuz am bak, bכku tεm wit spεshal divays dεm, fכ mεnεj di bon dεm we de fכm כ di limb lεngth dεm we nכ de lεng (lεk fכ lεng כ sכt).


按钮 we de na di wɔl


I. Introdyushɔn

di distal humerus de kכnsis fכ di mεdial εn lateral kכlכm dεm, we inklud di epicondyles εn condyles.

II. Di we aw dɛn fɔ du di ɔpreshɔn

di distal humerus frakshכn de kכz bay dayrekt trauma (εgz., fכl) כ indaykt fכs (εgz., twist כ mכsul pul).

III. Pɔst-ɔp Rihabiliteshɔn

di AO klasifikasiכn de divayd distal hכmerus frakshכn insay tri men tכp dεm: A , B , εn C .

      

IV. Di Rizult fɔ Stɔdi

ɔspitul tritmɛnt de fala di AO prinsipul dɛm: anatomical ridyushɔn, stebul fikseshɔn, ɛn ali rihabiliteshɔn.

       

V. Kes Ripɔt

di plet dεm we de lכk de gi supεriכr bayomεkanikal stεbiliti, patikyular insay כstioporotik bon.

       

VI. Tɔk bɔt

CZMEDITECH de gi tri mכdel dεm: εkstraartikulכr (01.1107), lateral (5100-17), εn mεdial (5100-18) plet dεm.

      

VII. Dɔn

ɔspitul tritmɛnt de fala di AO prinsipul dɛm: anatomical ridyushɔn, stebul fikseshɔn, ɛn ali rihabiliteshɔn.

       

       

       

       



   

I. Introdyushɔn

  • Distal tibial fraktrɔs na kɔmɔn tin, ɛn tradishɔnal tritmɛnt dɛn gɛt limiteshɔn

  • distal tibial frakshכn na wan kכmכn kayn lכw limb frakshכn. Tradishכnal tritmεnt dεm lεk lכk plet dεm εn antegrεd intramεdul nel dεm εvri wan gεt in dכw. di plet dεm we dεn lכk kin mek infεkshכn dεm afta dεn dכn כpεrayshכn כ sכft tisu nεkrכsis, we kin mek i gεt rεkכvεshכn fכ lכng tεm; pan ɔl we di antegrɛd nel dɛn nɔ kin invayd smɔl, dɛn kin pwɛl di knee joyn, mek pɔsin fil pen, ɛn i kin gɛt risk fɔ mek i nɔ fiks ɔ nɔ alaynɛd ​​fayn, we kin mek i nɔ ebul fɔ wɛl.

    • Plɛt dɛn we dɛn kin lɔk:

      Sigifikan sכft tisu dεm, hεy infεkshכn rεt, lכng rεkכvεshכn

    • Antegrade nel dɛn: .

      Risk fɔ injuri na di knee joint, nɔ fiks fayn, i kin izi fɔ mek i nɔ alaynɛd

  • Nyu sɔlvishɔn: Distal Tibial Nɛl (DTN) .

  • wan nyu tritmεnt opshכn—Distal Tibial Nail (DTN)—de gi nyu we fכ mεnεj di distal tibial frakshכn wit in yכnik rεtrogrεd disayn.

    • Retrograde insertion design de gi nyu we fɔ du tin

    AD9AD3B2-89D5-4cb4-B49A-6EAE5333A513


   

II. Di we aw dɛn fɔ du di ɔpreshɔn

  • Patient posishun ɛn ridyushɔn pripiamɛnt

  • Dɛn kin put di pɔsin na di say we i de slip. di fraktכs dεm we dεn displεs fכ rεdukshכn wit an; if nid de, yuz rεdukshכn fכs fכ εp bifo yu put di DTN. if fibula frakshכn de we de wit am, di rayt fibular alaynsmεnt kin εp di tibial rεdukshכn. di fibular shaft frakshכn dεm kin stεbyul wit intramεdul nel dεm. fכ frakshכn arawnd di ankכl, anatomical rεdukshכn εn fiksεshכn fכ di fibula fכ bifo di tibial rεdukshכn fכ avכyd malaignment. insay opin frakshכn wit εgzistin εksternal fiksεshכn, dεn kin insay di nel we dεn de mεnten di fiksεta fכ achy rεdukshכn.

    • Supine posishun, yuz ridyushɔn fɔs if nid de

    • Prioritiz fibular fraktכs mεnejmεnt fכ mek sכh se di tibial rεdukshכn kכrekt


    267-1
    DTN

    Distal Tibial Intramεdulεri Nεl

    DTN insεshכn prosidכs

  • 2–3 cm lכnjitudinal insishכn de mek na di tכp pan di mεdial maleolus fכ εkspכz di supεrfishal dεltoid ligament. wan gayd pin de insay כ sכmtεm mεdial to di tכp fכ di maleolus (Fig. 2a), 4–5 mm frכm di artikulכr sεf. lateral view sho insεshכn via di intakondilar grov (fig. 2b), we de avכyd damej to di posita tibialis mכsul. sεparayt di supεrfishal dεltoid ligament, dεn yuz wan rimεr fכ mek di mεdula kanal big te to di mεtaphyseal rijyכn (fig. 2c). rεmov di kansel bon nia di proksimal mεdial kכtεks fכ insay di nel (fig. 2d). insay wan trayal nel fכ kכnfכm DTN saiz (Fig. 2e). avɔyd fɔ hama ɔ twist pasmak fɔ mek yu nɔ gɛt iatrogenic medial malleolar fracture. Adjɔst di dip na di nel fɔ mek shɔ se di distal skru dɛn nɔ go go insay di anklɛ jɔyn ɔ di say we di anklɛs brok. Fikseshɔn de apin wit intalɔk skru dɛn proksimal ɛn distal.

    • Di we aw dɛn kɔt am:

      Longitudinal kכt na di mεdial malleolus tip

    • Gayd pin posishun:

      4–5 mm frכm di jכyn sεf

    • Reaming & trial nail:

      Rim op to di metaphysis, konfam di nel saiz

    • Di we aw dɛn kin put nel insay:

      Nɔ hama, ajɔst dip fɔ protɛkt di jɔyn

    • Fikseshɔn: .

      Intalɔk skru dɛn proksimal ɛn distal



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III. Pɔstɔparetiv Rihabiliteshɔn Prɔtokɔlɔ

  • di ankכl jכint mobiliti kwik kwik wan εn di fut-to-fכ kכntakt de alaw afta
    di כpεraytiv nכn-weit bia fכ 4–6 wik
    Progrεs to ful wet-bεri bitwin wik 8–12, we dεn de mכnitor di kכlכs fכmeshכn εn pen

  • di ankכl jכint aktiviti de stat wantεm afta dεn כpεrayshכn

  • Avɔyd fɔ bia wet fɔ 4–6 wik

  • sכmtεm transishכn to ful wet-bεri na 8–12 wik


   

IV. Di Rizult fɔ Stɔdi

  • Fɔ fala 10 pasɛnt dɛn

  • Wan st ɔ di bin fala 10 pasɛnt dɛn (Tɛbul 1). Bay 3 mɔnt post-op, 7 kes dɛn bin dɔn wɛl; ɔl di pasɛnt dɛn bin ajɔst to wɛl insay 6 mɔnt. Wan kes εvri wan pan di varus εn rεkכrvatum difכmiti bin apin. No lכs כf rεdukshכn, infεkshכn, implant-rεlatεd kכmplikεshכn, כ iatrogenic injuri dεm bin obsεv (Tεbul 2).

    • 7 kes dɛm we dɔn wɛl insay 3 mɔnt; ɔl dɛn dɔn wɛl bay 6 mɔnt

    • 2 mild difכmiti dεm (1 varus, 1 rεkכrvatum) .

    • Nɔ infɛkshɔn, implant kɔmplikeshɔn, ɔ ridyushɔn lɔs


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V. Kes Ripɔt


  • 69 ia ol man pasɛnt

    • Di kayn we aw pɔsin kin brok: .

      Transvas tibial frakshכn + fibular frakshכn

    • Kɔmplikɛshɔn: .

      Sɔft tisu krɔs injuri

    • Post-op-ɔp: .

      כnli 6 sכm sכm insεshכn dεm, komplit hεl insay 1 ia

    • Fig 3 & 4: .

      Rediograf ɛn postɔparetiv rikavari imej dɛn

         


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VI. Tɔk bɔt


  • Indikeshɔn fɔ DTN

  • Dis stכdi inklud AO 43-A εn C1 frakshכn; C2 bin de tink bak bɔt am. DTN dεm de insay lεngth dεm we na 7 mm εn 8 mm, we de ditarεmin di ples we dεn de put di proksimal intalכk skru dεm. frakshכn dεm we de 2–9 cm oba di artikulכr sεf na di ideal kandidet fכ DTN fikseshכn. indikεshכn dεm kin pכtεnshal fכ εkstεnd to AO 42 frakshכn dεm.

    • Apɔynt to AO 43-A, C1, tink bɔt fɔ ɛkspɛn to C2 ɛn 42

    • di bεst autkam fכ frakshכn 2–9 cm frכm di jכyn sεf

  • Bayomekanikal Stebiliti

  • rεtrogrεd nel dεm gεt supεriכr akshal εn rotashכnal stiffnεs kכmpεr to mεdial lכk plet dεm εn antegrεd nel dεm. Grinfild ɛn ɔda pipul dɛn. kכnεkt bayomεkanikal tεst we sho se we dεn yuz tu distal skru dεm na di DTN i achyv 60–70% pan di kכmpreshכn stiffnεs εn 90% pan di tכrshכnal stiffnεs kכmpεr to tri skru dεm. DTN minimized frakshכn fragmεnt muvmεnt כnda lod. pan 3 kes dεm we nכ hεl insay 3 mכnt, fכs tin dεm na di sכft tisu dεm we dεn dכn pwεl, di mεdula εkspεns, di frakshכn lכkεshכn, εn כstioporosis. biכs DTN dεm de kam insay tri saiz nכmכ εn distal fikseshכn de limited to tri skru dεm, dεn kin gi insכfεnt stεbiliti insay wayd kanal dεm כ כstioporotik bon. Fɔ tek tɛm aproch fɔ bia wet kwik kwik wan we dɛn kayn tin ya apin.

    • Supiriɔr to lɔk plet ɛn antegrɛd nel

    • rεkomεnd fכ fiksεshכn stratεji: 2 proksimal + 3 distal skru

  • Advantej dɛn we DTN gɛt

  • we yu kכmpεr wit di plet dεm we de lכk, di intramεdul nel dεm de mek sכft tisu dεm nכ de damej sכft tisu dεm, we i fayn fכ ol pasεnshכn dεm εn di wan dεm we gεt siriכs sכft tisu injuri frכm hכy-εnεji trauma. insay dis stכdi, dεn bin insay DTN dεm tru siks sכm sכm insishכn dεm nכmכ, wit nכ sכft tisu komplikεshכn. di prosidur nכ nid fכ fleks di kכn, i de ridyus di risk fכ ridyus di lכs εn mek i fayn fכ di sik pipul dεm we nכ de muv bכku kכn (εgz., kכn at כ post-TKA).

    • Minimally invasive, ideal fɔ ol pipul ɛn ay-ɛnaji trauma pasɛnt dɛn

    • Nɔ nid fɔ fleks di ni, we fayn fɔ mek yu nɔ ebul fɔ muv di ni

  • Risk ɛn di tin dɛn we yu fɔ tek tɛm wit we yu du ɔpreshɔn

  • di risk dεm inklud injuri to di posita tibialis mכsul εn mεdial malleolar frakshכn. di mεdial maleolar frakshכn dεm kin trit wit tεnshכn bכnd waya, pletin, כ εksternal fikseshכn.
    yu fכ tek kεriכn fכ mek skru nכ go insay di fibular notch. di posishכn divays kin mek di posita rotashכn fכ di DTN bikoz fכ in wet; ajɔst di sεkכn skru fכ pכynt to di fibula (fig. 4c).

    • Di prɔblɛm dɛn we kin apin:

      Posita tibialis injuri, mεdial maleolar frakshכn

    • Fɔ manɛj:

      Tɛnshɔn band, pletin, ɔ ɛksternal fiksatɔ

    • Skru dairekshɔn ɛn pozishɔn divays wet nid intraɔpareshɔn atɛnshɔn

  • Klinik Kɔmpiashɔn

  • di nכnunion εn malalaynmεnt rεt fכ di antegrεd nel dεm na 0–25% εn 8.3–50%, rispεktivli; fכ lכk plet dεm, 0–17% εn 0–17%. insay dis stכdi, כl di kes dεm achyv union, εn na 20% nכmכ bin gεt difכmiti >5°, we kכmparabl wit tradishכnal mεtכd dεm.Infεkshכn rεt: supεrfishal infεkshכn na 0–8.3% fכ antegrεd nel dεm εn 0–23% fכ lכk plet dεm; dip infεkshכn na 0–23% εn 0–8.3%, rispεktivli. dis stכdi ripot nכ sכft tisu komplikashכn, we pas di tu כl tu di כltεrnativ dεm.Fכnshכnal skכ dεm:

    • AOFAS skכ dεm fכ antegrεd nel dεm: 86–88 (tayp A), 73 (tayp C); plet dɛn we dɛn kin lɔk: 84–88 (tayp A) .

    • Dis st ɔ di: AOFAS avrej: 92.6

    • EQ-5D-5L: Plɛt dɛn we de lɔk: 0.62–0.76; dis stɔdi: 0.876

    • SAFE-Q (fut ɛn anklɛ pasɛnt dɛn): 67–75; dis stכdi: 83–91.7 (Tεbul 3)

    • Yuniɔn rεt, difכmiti rεt, εn infεkshכn rεt pas di tradishכnal mεtכd dεm

    • Fכnshכnal skכl dεm (AOFAS, EQ-5D-5L, SAFE-Q) sho fayn fayn risכlt dεm

       

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VII. Dɔn

  • fכ sכmari, DTN de gi advantej oba di lכk plet dεm εn antegrεd intramεdula nel dεm εn i de riprizent wan ifektiv sכlushכn fכ trit distal tibial frakshכn dεm.

  • DTN ficha minimal invasiveness, hεy stεbiliti, εn rεkכvεshכn kwik

  • Na valyu ɔda tritmɛnt pas tradishɔnal tritmɛnt ɛn i fayn fɔ mek pipul dɛn no bɔt am







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