ibhanile

Kwimeko yokwaphuka kwe-femoral proximal, ngaba kungcono ukuba isikhonkwane esiphambili sePFNA sibe nobubanzi obukhulu?

I-Intertrochanteric fractures ye-akhawunti ye-femur ye-50% ye-hip fractures kubantu abadala.Unyango lwe-Conservative luvame ukuba neengxaki ezifana ne-vein thrombosis enzulu, i-pulmonary embolism, izilonda zoxinzelelo, kunye nosulelo lwe-pulmonary.Izinga lokusweleka kunyaka omnye lidlula i-20%.Ngoko ke, kwiimeko apho imeko yomzimba yesigulane ivumela, ukulungiswa kwangaphambili kokuhlinzwa kwangaphakathi kunyango olukhethiweyo lwe-intertrochanteric fractures.

Ukulungiswa kwangaphakathi kwe-Intramedullary nail okwangoku kusemgangathweni wegolide wonyango lwe-intertrochanteric fractures.Kuphononongo kwizinto eziphembelela ukulungiswa kwangaphakathi kwePFNA, izinto ezinje ngobude bezikhonkwane zePFNA, i-varus angle, kunye noyilo ziye zaxelwa kwizifundo ezininzi zangaphambili.Nangona kunjalo, akukacaci ukuba ubukhulu besikhonkwane esiphambili buchaphazela iziphumo zokusebenza.Ukujongana nale nto, abaphengululi bamazwe angaphandle baye basebenzisa izikhonkwane ze-intramedullary ezinobude obulinganayo kodwa ubukhulu obuhlukeneyo ukulungisa i-intertrochanteric fractures kubantu abadala (iminyaka> 50), ejolise ukuthelekisa ukuba kukho ukungafani kwiziphumo zokusebenza.

a

Uphononongo lubandakanya iimeko ze-191 zokuqhekeka kwe-intertrochanteric unilateral, zonke ziphathwa nge-PFNA-II ukulungiswa kwangaphakathi.Xa i-trochanter encinci yaphuka kwaye ikhutshwe, isikhonkwane esifutshane se-200mm sisetyenzisiwe;xa i-trochanter encinci yayilungile okanye ingabanjwanga, i-170mm ye-ultra-short nail isetyenziswe.Ububanzi besikhonkwane esiphambili buvela kwi-9-12mm.Uthelekiso oluphambili kuphononongo lujolise kwezi zalathisi zilandelayo:
1. Ububanzi obungaphantsi kwetrochanter, ukuvavanya ukuba ukubekwa bekusemgangathweni;
2. Ubudlelwane phakathi kwe-cortex ye-medial ye-head-neck fragment kunye ne-distal fragment, ukuvavanya umgangatho wokunciphisa;
3. I-Tip-Apex Distance (TAD);
4.I-Nail-to-canal ratio (NCR).I-NCR ngumlinganiselo wedayamitha yesikhonkwane esingundoqo kwidayamitha ye-medullary ye-distal locking screw plane.

b

Phakathi kwezigulane ze-191 ezibandakanyiweyo, ukuhanjiswa kwamatyala ngokusekelwe kubude kunye nobubanzi besikhonkwane esiphambili kuboniswe kulo mfanekiso ulandelayo:

c

Umndilili we-NCR ube ngama-68.7%.Ukusebenzisa lo mndilili njengongqameko, iimeko ezine-NCR ezinkulu kunomndilili zaye zajongwa njengobubanzi besikhonkwane esityebileyo, ngelixa iimeko ezine-NCR ezingaphantsi komndilili zazijongwa njengezona zikhonkwane ezinobubanzi obuncinci.Oku kukhokelele ekwahlulweni kwezigulane kwiqela leZikhonkwane eziNcinci (iimeko ezingama-90) kunye neqela leZikhonkwane eziNcinci (iimeko ezili-101).

d

Iziphumo zibonisa ukuba akukho mahluko abalulekileyo ngokwezibalo phakathi kweqela leNzipho eNcinci kunye neqela leSikhonkwane esiNcinci ngokwemigaqo yeTip-Apex Distance, inqaku le-Koval, ukulibaziseka kwesantya sokuphilisa, izinga lokusebenza kwakhona, kunye neengxaki ze-orthopedic.
Ngokufanayo nesi sifundo, inqaku lapapashwa kwi "Journal of Orthopedic Trauma" ngo-2021: [Isihloko seNqaku].

e

Uphononongo lubandakanya izigulane ezisebekhulile ze-168 (iminyaka> i-60) kunye ne-intertrochanteric fractures, zonke ziphathwa ngezikhonkwane ze-cephalomedullary.Ngokusekelwe kububanzi besikhonkwane esiphambili, izigulane zahlulwa zibe liqela le-10mm kunye neqela elinobubanzi obungaphezu kwe-10mm.Iziphumo zibonise kwakhona ukuba akukho ntlukwano ephawulekayo kwimilinganiselo yokusebenza kwakhona (nokuba iyonke okanye i-non-infectious) phakathi kwamaqela amabini.Ababhali bophononongo bacebisa ukuba, kwizigulane ezisele zikhulile ezineefractures ze-intertrochanteric, ukusebenzisa isikhonkwane esingundoqo se-10mm ububanzi kwanele, kwaye akukho mfuneko yokubuyisela ngokugqithisileyo, njengoko kusenokufikelela kwiziphumo zokusebenza ezifanelekileyo.

f


Ixesha lokuposa: Feb-23-2024