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Mekhoa e mecha ea ho lokisa poleiti ea volar ea distal radius fractures

Maikutlo: 16     Mongoli: Nako ea Phatlalatso ea Mohlophisi oa Sebaka: 2022-08-27 Tšimoloho: Sebaka

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Ho phatloha ha tendon ea extensor ka mor'a ho lokisa poleiti ea volar e ntse e le bothata bo boholo ho lokisoeng ha fractures ea distal radius. Tenda e atisang ho ameha haholo ke tendon ea extensor pollicis longus (EPL), kaha e koaletsoe ka har'a groove ea EPL. Ketsahalo e tlalehiloeng ea ho phatloha ha tendon ea EPL ka mor'a hore ho be le volar plating ke 0.29% -5.7%.


Kotsi ea ho lieha ho qhoma ha tendon ea EPL ea eketseha ha ho e-na le sekoti sa mokokotlo oa mokokotlo, kotsi e tsoang ho cheka ka ho toba, le likhechana tsa marulelo a mokokotlo, haholo-holo lihlekehlekeng tse robehileng tsa Tubercle ea Lister. Tlhahlobo ea radiographic ea 'screw protrusion' ho fractures ea distal radius e thata ka lebaka la geometry e rarahaneng ea radius ea distal le monyetla oa ho robeha ha mokokotlo oa mokokotlo. Pono ea dorsal tangential ke eona feela pono e ka bang teng ea intravital ea dorsal radial cortex ho fumana tlhahlobo e tšepahalang ea sebaka se pakeng tsa screw tip le dorsal cortex.


Mekhoa ea ho qoba kotsi ea tendon ea extensor e kenyelletsa tšebeliso ea li-screws tsa monocortical le ho qoba ho kenella ka holim'a mokokotlo; leha ho le joalo, mekhoa ena e ka fokotsa botsitso ba mochini oa ho lokisa fracture. Ka hona, ka linako tse ling ho hlokahala ho lokisa bicortical. Ho fokotsa kotsi ea ho lemala ha tendon ea extensor, lipheo tsa mantlha tsa ho lokisa fracture le botsitso ha lia lokela ho senyeha.


Mekhoa e mecha ea ho buoa


Re hlalosa mokhoa o mocha oa ho fokotsa kotsi ea ho phatloha ha tendon ea EPL ka mor'a ho lokisa poleiti ea volar ea distal radius fractures ntle le ho khutsufatsa bolelele ba screw kapa ho tlosa likhechana tsa marulelo a mokokotlo. Ka bokhutšoanyane, mokhoa ona o kenyelletsa ho bula phaposi ea boraro ka ho seha ha lesapo la mokokotlo.


Haeba screw e ne e kene ka mokokotlong oa mokokotlo mme e hlahella karolong ea boraro: re ile ra tlosa tendon ea EPL ho tloha groove ea eona 'me ra koala phaposi eo ka ho sutumetsa retinaculum e siea tendon ea EPL ho retinaculum e lokisitsoeng.


Haeba screw e sa kenelle karolong ea boraro: re tlohela tendon ea EPL karolong ea boraro. Pontšo ea mokhoa oa rona ke ho bakuli ba nang le fractures ea distal radius e tšoaroang ka lipoleiti tsa ho notlela tsa volar, tse robehileng ka likhechana tsa dorso-parietal kapa li-screws tse ka kenang mokokotlong oa mokokotlo kapa tsa senya tendon ea EPL ho pota-potile tubercle ea Lister. Ho bakuli ba nang le fractures ea distal radius e nang le likhechana tsa dorsomedial, re phunya masoba ho phunyeletsa dorsal cortex ebe re khetha li-screws tsa bolelele bo lekaneng ho lokisa likhechana tse sa tsitsang tsa dorsomedial.


Ho arolelana linyeoe


Re arolelana nyeoe eo ho eona tendon ea EPL e ileng ea tlosoa karolong ea boraro ka lebaka la ho phunyeha ha screw karolong ea boraro nakong ea ho lokisa poleiti ea comminuted distal radius fracture le dorsomedial fragments. Re netefalitse hore tendon ea EPL e ne e tiile lilemo tse 7 ka mor'a ts'ebetso, le hoja screw e ne e hlahella karolong ea boraro.


Nyeoe e ne e le mosali ea lilemo li 67 ea nang le lefu la ho robeha ha radius ea intra-articular e sa tsitsang e nang le fracture e nepahetseng ea mokokotlo oa mokokotlo (Setšoantšo sa 1A-E). Ha ho na nalane ea ho tsuba, lefu la tsoekere kapa ho noa joala. E khona ho tsamaea ntle le motho ea tsamaeang.

ho robeha ha radius ea distal

setšoantšo sa 1. Litšoantšo tsa pele ho ts'ebetso li bontšitse ho robeha ha intra-articular radius ea distal.


A le B: X-rays pele ho buuoa,


C le D: maikutlo a sagittal le axial a litšoantšo tsa computed tomography,


E: Setšoantšo sa 3D computed tomography. Likaroloana tsa karolo e bohareng ea mokokotlo oa mokokotlo le likhechana tsa dorsal apical (linaleli tse tšoeu) lia bonahala.


Mokhoa oa ho buoa


Re alafa sistimi ena ea ho robeha ka poleiti e notlelang ea volar. Ka hare ho ts'ebetso, re ile ra phunya ka har'a dorsal cortex mme ra khetha screw e telele ka ho lekaneng ho sireletsa dorsal cortex hobane sekhechana sa dorsomedial se ne se sa tsitsa (Setšoantšo sa 2).


  • Ho ile ha etsoa opereishene ea ho bula phaposi ea boraro ka mor'a ho lokisa screw.

  • Kaha screw e kene ka phaposing ea boraro 'me e tsoetse pele (Setšoantšo sa 3A), bula ka botlalo karolo ea boraro 'me u tlose tendon ea EPL ka ntle ho groove ea eona (Setšoantšo sa 3B).

  • Karolo ea boraro e ile ea koaloa ka ho suturing retinaculum (setšoantšo sa 3C, D), 'me tendon ea EPL e ile ea behoa holim'a retinaculum e lokisitsoeng (setšoantšo sa 3 E).

  • Ka mor’a ho buuoa, mokuli o ile a ea tleliniking ea bakuli ba ka ntle ho sepetlele sa rōna ho fihlela lesapo le fola. Mokuli ha a lakatse ho tlosa hardware.


Ho hlaphoheloa ka mor'a ho buuoa


Lilemo tse supileng ka mor’a ho buuoa, mokuli o ile a khutlela sepetlele ho ea hlahlojoa bocha ka lebaka la lefu la ho fokola ha masapo. Letsoho le letona ha lea holofala. Setšoantšo sa X-ray se bontšang ho robeha ho folisitsoeng ho nang le mokokotlo oa mokokotlo oa distal locking screw. Monoto o motona oa mokuli o ne o atolositsoe ka botlalo, 'me tendon ea EPL e ne e se na khoele e hlakileng ea seqha.

Ka tlhahiso ea rona, mokuli o ile a lumela ho tlosa hardware le ho hlahloba li-tendon tsa extensor. Ka hare ho ts'ebetso, re ile ra hlahloba tendon ea EPL ka ho phunyeha ha mokokotlo 'me ra bula likarolo tsa boraro le tsa bone ka mokhoa o itseng.

Tenda ea EPL e ne e le ka ntle ho karolo ea boraro sebakeng se tšoanang le sa ts'ebetso e fetileng, 'me tendon ha ea ka ea halefa.

Re netefalitse hore screw e kene ka phaposing ea boraro ha tendon ea extensor ea menoana e khutlisetsoa morao.

Qetellong, re ile ra lokisa marapo a tšehetso 'me ra tlosa hardware. Ha ho etsoa tlhahlobo ea ho qetela likhoeli tsa 2 ka mor'a ho tlosoa ha hardware, mokuli o ne a se na bohloko 'me a e-na le katoloso e feletseng ea monoana o motona.


Buisanang


Ha re ntse re atamela, ka mor'a ho lokisa poleiti ea volar ea fractures ea distal radius, re ile ra bula karolo ea boraro ka ho phunyeletsa hoo e ka bang 2 cm bolelele ba ulnar ho tubercle ea Lister. Re ile ra tsebahatsa ka ho toba lesela la EPL le mokatong oa karolo ea boraro ea extensor ka ho khutlisa tendon ea EPL ka bonolo.


Haeba screw e ne e kene ka mokokotlong oa karolo ea boraro kapa e na le maloanlahla a dorso-parietal, ha rea ​​ka ra etsa intraoperative screw replacement kapa fragmentectomy, empa re ile ra bula karolo ea boraro ka ho feletseng 'me ra tlosa tendon ea EPL groove ea eona. Eaba re koala phaposi ka ho suturing retinaculum ha re ntse re beha tendon ea EPL karolong ea boraro.


Haeba screw e sa ka ea fetela karolong ea boraro, re ile ra siea tendon ea EPL ka phaposing ea boraro e butsoeng ka mokhoa o itseng.


Mokhoa oa rona oa ho buoa o lumella ho hlahlojoa habonolo ha likotsi tsa tendon tsa EPL ka pono e tobileng ka nako e ka tlase ho metsotso e 10. Haeba tendon ea EPL e lemetse, e ka lokisoa ka ho toba. Mokhoa ona o thusa ho thibela ho phatloha ha tendon ea bobeli ea EPL ka mor'a ho lokisa poleiti ea distal radial. EPL tendon bowstring e ka etsahala, empa ha ea ka ea etsahala molemong oa rona.


Ha re phethela


Re ile ra ba le nyeoe eo ho eona tendon ea EPL e neng e tiile ka mor'a lilemo tse 7, le hoja li-screws tse sebelisetsoang ho lokisa poleiti ea volar li ne li hlahella karolong ea boraro. Mokhoa oa rona oa ho buoa o fokotsa kotsi ea ho phatloha ha tendon ea EPL ka mor'a ho lokisa poleiti ea volar bakeng sa fractures ea distal radius.



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