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Ho hlahisa mokhoa o nepahetseng oa ho kenya li-screw tsa distal tibiofibular: mokhoa oa angle bisector

"10% ea fractures ea maqaqailana e tsamaisana le kotsi ea distal tibiofibular syndesmosis. Liphuputso li bontšitse hore 52% ea distal tibiofibular screws e fella ka ho fokotseha ho fokolang ha syndesmosis. Ho kenya "distal tibiofibular screw perpendicular to syndesmosis joint surface ke habohlokoa ho qoba ho fokotseha ha iatrogenic. Ho ea ka buka ea AO, ho kgothaletswa ho kenya sekoti sa distal tibiofibular 2 cm kapa 3.5 cm ka holim'a sebaka sa distal tibial articular, ka lehlakoreng la 20-30 ° ho ea sefofaneng se otlolohileng, ho tloha fibula ho ea tibia, le leqaqailaneng. boemong ba ho se nke lehlakore.

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Ho kenngoa ka letsoho ha li-screw tsa distal tibiofibular hangata ho fella ka ho kheloha moo ho kenang teng le moo ho kenoang teng, 'me hajoale, ha ho na mokhoa o nepahetseng oa ho fumana hore na li-screw tsena li kentsoe hokae. E le ho rarolla bothata bona, bafuputsi ba tsoang linaheng tse ling ba amohetse mokhoa o mocha oa mokhoa oa 'angle bisector.

Ho sebelisa lintlha tsa litšoantšo tse tsoang ho 16 tse tloaelehileng tsa maqaqailana, mefuta e 16 e hatisitsoeng ea 3D e entsoe. Libakeng tse ka thōko ho 2 cm le 3.5 cm ka holim'a sebaka sa tibial articular, lithapo tse peli tsa 1.6 mm Kirschner tse tšoanang le sebaka se kopanetsoeng li ne li behoa haufi le likarolo tse ka pele le tse ka morao tsa tibia le fibula, ka ho latellana. Sekhutlo se pakeng tsa lithapo tse peli tsa Kirschner se ile sa lekanyetsoa ho sebelisoa protractor, 'me sekoti sa 2,7 mm sa ho phunya se ile sa sebelisoa ho phunya lesoba haufi le mothapo oa li-angle bisector, o lateloa ke ho kenngoa ha screw ea 3.5 mm. Ka mor'a ho kenya screw, screw e ile ea khaoloa ka bolelele ba eona ho sebelisoa sakha ho hlahloba kamano pakeng tsa tataiso ea screw le axis e bohareng ea tibia le fibula.

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Liteko tsa mohlala li bonts'a hore ho na le tumellano e ntle pakeng tsa axis e bohareng ea tibia le fibula le mola oa bisector angle, hammoho le pakeng tsa axis e bohareng le tataiso ea screw.

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ka mokhoa o ts'oanelang, mokhoa ona o ka beha sekoti hantle ka har'a axis e bohareng ea tibia le fibula. Leha ho le joalo, nakong ea ho buuoa, ho beha lithapo tsa Kirschner haufi le likarolo tse ka pele le tse ka morao tsa tibia le fibula ho baka kotsi ea ho senya methapo ea mali le methapo. Ho phaella moo, mokhoa ona ha o rarolle taba ea ho fokotseha ha iatrogenic, kaha mokhoa oa distal tibiofibular alignment e ke ke ea hlahlojoa ka ho lekaneng pele ho etsoa screw.


Nako ea poso: Jul-30-2024