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3 Njira Zatsopano Zopangira Opaleshoni Yothandizira Patella Fractures

Mawonedwe: 24     Wolemba: Site Editor Nthawi Yosindikiza: 2023-01-15 Poyambira: Tsamba

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Patellar fractures amawerengera 1% ya milandu yonse yopwetekedwa mtima, ndipo malangizo omwe alipo pano amalimbikitsa njira yopangira opaleshoni yochizira fractures yosavuta yodutsa patellar ndi articular surface displacement ndi tension band wire (TBW), yomwe imakhala ngati chipangizo cha antitension pamene patellar (yotambasula) pamwamba imakhala pansi pa mphamvu zopindika.


Komabe, zovuta za njirayi zimaphatikizapo kulephera kwa waya mkati, matenda, ndi kuwonongeka kwa bala. Kuonjezera apo, kugwiritsa ntchito mawaya aatali kungakhale kovuta kwambiri, makamaka podula ndi kukwirira mapeto a waya mu tendon ya patellar ndi quadriceps tendon.


Tidapanga njira zitatu zatsopano zosinthira ma patella fractures pogwiritsa ntchito zida zofanana ndi TBW wamba.


  1. kugwiritsa ntchito bandi yomangika ya mawaya eyiti mutatha kuwoloka mapini a kerf.

  2. zikhomo zautali za Kirschner ndi zomangira zomangira mbali zonse za patella.

  3. anawoloka zikhomo za Kirschner ndi zingwe zomangika zam'mbali.


Patella fracture

Choncho, cholinga cha phunziro la biomechanical iyi chinali kufanizitsa njira zatsopano zokonzera 3 ndi AO golide muyezo wa waya tension banding. 


Lingaliro lathu loyamba linali loti kukhulupirika kwa biomechanical kwa zomangira pogwiritsa ntchito zikhomo za kerf zodutsa sikuyenera kuwonongeka. Lingaliro lathu lachiwiri linali loti TBW yotsatira idzakhala ndi zotsatira zofanana ndi TBW yokhazikika.


Njira


Kuphulika kosavuta kwa patellar kunadulidwa ndi pendulum saw, ndipo njira zatsopano za 3 zinagwiritsidwa ntchito motsatizana kuti zilekanitse mawondo kuti zitsimikizidwe kuti zikhoza kumangidwa m'njira yomwe imayimira njira yotetezeka komanso yobereka yochokera ku thupi laumunthu (monga momwe tawonetsera mu Zithunzi 2 ndi 3). Zonse zinakwaniritsidwa bwino. Chipangizo cha biomechanical chinagwiritsidwa ntchito kuyesa kukhulupirika kwa biomechanical kwa 3 njira zatsopano.

Kuphulika kwapang'onopang'ono kwa patella

Kuphulika kwapang'onopang'ono kwa patella

Zotsatira


Zotsatira za mayeso onse zikuwonetsedwa pazithunzi 4 ndi 5.


Zotsatira zake zidawonetsa kuti Kukonzekera komwe kumakhala ndi gawo laling'ono kwambiri la kuphulika kwapakati kunali zikhomo za kerf zophatikizika ndi lateral TBW (njira ya 3), yokhala ndi kusiyana kwapakati pa 0.43 mm (kusiyana kwa 0.10-0.80 mm) pambuyo pa 100, pansi pa kusamuka kwakukulu kwa 2 mm.


TBW yokhazikika yophatikizidwa ndi ma pini a kerf (njira 1) inali yotsatira yabwino kwambiri, yokhala ndi kusiyana kwapakati pa 0.61 mm (0.06 mpaka 2.06 mm).


Kuchuluka kwa katundu wogwiritsidwa ntchito kunali 69.2 N. Muyezo wa AO unali woipitsitsa kwambiri, wokhala ndi 1.72 mm (0.47 mpaka 2.24 mm) ndi 79.6 N. Mulingo wa AO unali woipitsitsa kwambiri, wokhala ndi kusiyana kwapakati pa 1.74 mpaka 2.42 mm (0.42 mm).

Patella fracture

Patella fracture

Pankhani ya kusamuka kwapang'onopang'ono pakuzungulira, zonse zowoloka kerf (njira 1 ndi 3) zimawonetsa kusamuka kwakung'ono: 0.27 mm pamitundu yonse yowoloka m'mizere yomaliza, poyerekeza ndi 0.41 mm ndi 0.60 mm ya AO yokhazikika ndi mawonekedwe a kerf aatali okhala ndi TBW yotsatizana, motsatana. uwu ndi umboni wakuti mawonekedwe a kerf odutsa amapereka kuuma kwakukulu kwa kupasuka pansi pa katundu Ichi ndi umboni wa kuuma kwakukulu kwa kusiyana kwa fracture pansi pa katundu woperekedwa ndi mtanda wa Clinch pin.


Zokambirana


Zotsatirazi zikusonyeza kuti kukonzanso pini ya Kirschner kukhala yozungulira yozungulira kutali ndi minofu yofewa yozungulira, koma kuisunga mu ndege yomweyi (ie, 5 mm kumbuyo kwa anterior convex pamwamba pa patella), sikumakhudza kwambiri kukhulupirika kwa biomechanical, koma kumakhudza kwambiri kukhazikika kwa kukhazikika kwa mkati mwa fracture. Poyerekeza ndi zikhomo zautali wa kerf, mawonekedwe a cruciform amawoneka kuti akhazikitse bwino chipika cha fracture motsutsana ndi kupsinjika kwapambuyo ndipo atha kuonjezera kupsinjika kwapakatikati.


Deta iyi imathandizira lingaliro lathu loyamba loti kuwoloka mapini a kyphotic si njira yoyipa kwambiri yopangira opaleshoni poyerekeza ndi zikhomo zautali wa kyphotic, ndipo kwenikweni, mapangidwe onsewa amachita bwino kuposa ma pini aatali a kyphotic pogwiritsa ntchito zikhomo za kyphotic zodutsa. Lingaliro lathu lachiwiri limakhalabe loyenera, popeza silikudziwikabe kuchokera ku phunziroli ngati zotsatira za TBW zam'mbali zikufanana ndi TBW wamba.


Uwu ndi kafukufuku woyamba wa biomechanical kusonyeza kupambana kwa njira ya AO mwa kungoyang'ananso njira ya opaleshoni ya TBW. Palibe mtengo wowonjezera ndipo ndondomekoyi ikhoza kukhala yofulumira chifukwa kuwonetseredwa kochepa kumafunika. Kugwiritsa ntchito zikhomo za kyphotic zodutsa kumachepetsa kuwonongeka kwa minofu yofewa yozungulira (makamaka quadriceps ndi patellar tendons). Kuonjezera apo, ngati madokotala ochita opaleshoni akuda nkhawa ndi ubwino wa minofu yofewa yophimbidwa komanso kuopsa kwa kukwiyitsa kapena kutuluka kwazitsulo zamkati zamkati, phunziroli liyenera kuwatsimikizira kuti kuyika TBW kumbali zonse za patella kumapewa izi ndipo kumapangitsanso kukonza kwathunthu.


Kafukufukuyu akuwonetsa kuti njira ziwiri zatsopano zowoloka kerf pin ndizopambana mulingo wagolide womwe ukufotokozedwa pano ndi AO pochiza fractures zosavuta za patella.


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