Nhwɛsoɔ: 39 Ɔkyerɛwfoɔ: Site Editor Bere a wɔde tintimii: 2022-12-22 Mfiase: Beaeɛ
Patellofemoral instability (PFI) no bi ne nyarewa ahorow a ɛtoatoa so, efi akisikuru a emu nyɛ den so kosi patella a ɛda adi pefee a ɛtwetwe (LPD) so. LPD abu so kakra, na mmofra 100,000 biara mu 50 na wonya. Mpɛn pii no, nea edi kan a ɛpaapae no ba bere a wadi mfe 15 kosi 19. LPD yɛ yareɛ a ɛma obi yɛ mmerɛw, na sɛnea ɛtwetwe nipadua no fi nipadua no mu wɔ ayaresa a wɔde sa yare anaa nipadua mu ayaresa akyi no dɔɔso te sɛ 70%. Medial patellofemoral ligament a wɔsan yɛ no ne oprehyɛn ayaresa a wɔde di dwuma kɛse. Nanso, ayarefo dodow a ɛboro 16% wɔ nsɛnnennen, a nea ɛka ho ne sɛ wɔsan tu wɔn ho. Bio nso, ayarefo no mu nkyem anan mu biako hia oprehyɛn a wodi akyi wɔ kotodwe nkwaa foforo a wɔmfa oprehyɛn nyɛ no ho. Asiane a ɛtra hɔ kyɛ a ɛne sɛ obi bepira ntini a ɛyɛ den kɛse ne OA wɔ LPD akyi no boro nea ɛwɔ hɔ bere a wɔatutu mfiase no akyi mpɛn 6, na ɛma ayarefo nkumaa pii hyia OA asiane wɔ wɔn mfe 30 ne 40 mu. PFI ho ntease a edi mũ a wonni no yɛ akwanside atitiriw a ɛmma patellofemoral nkwaa a ɛteɛ no san yɛ pɛpɛɛpɛ no mu biako.
Wobetumi akyekyɛ asiane ahorow a ɛwɔ PFI mu no mu abien: nipadua mu nneɛma a ɛnteɛ ne sɛnea ɛne ne ho hyia. Femoral trochlear dysplasia ne nipadua mu ade a ɛnteɛ a ɛho hia sen biara, na alignment a ɛnteɛ no bi ne patellar elevation, patellar roll ne subluxation. Patellofemoral deformity fi biomechanical nsakrae a efi medial stabilizer a opira, Q angle a ɛkɔ soro, anteversion of femur ne lateralization of patellar tendon insertion. Wɔabobɔ asiane a ɛwɔ PFI mu no so wɔ Mfonini 1 mu.

asen mu ntini a ɛyɛ mmerɛw
angle a ɛkɔ fam wɔ transverse pulley no mu
facet asymmetry a ɛwɔ pulley mu
pulley a emu dɔ
a ɛne ne ho hyia a ɛnyɛ ne kwan so
patella a ɛkorɔn
kwan a ɛda tibia ne trochlear groove (tt-tg) ntam no kɔɔ soro
nkɔanim q angle
asen mu anteversion
MRI a wohu wɔ PFI ho no gu ahorow sɛnea yare no mu yɛ den ne sɛnea ɛtra hɔ daa no te. Ebia PFI nsɛm a emu nyɛ den no ne patellar dyskinesia, a ɛyɛ Hoffa srade pad (a wɔsan frɛ no patellofemoral fat impact) no atifi ne akyi afã horow a ɛyɛ kurukuruwa. Patellofemoral fat impact ne asiane afoforo a ɛde PFI ba no wɔ abusuabɔ kɛse, a nea ɛka ho ne femoral condyle dysplasia, patellar height, TT-TG kwan a ɛkɔ soro, lateral patellar tilt ne subluxation. Patellar dyskinesia a ɛtra hɔ kyɛ no ma cartilage opira na lateral patellofemoral joint no sɛe ntɛm.
Acute dislocation of patella (APLD) ne PFI a ɛyɛ hu sen biara. X-ray sini a ɛnyɛ den no kyerɛ sɛnea wɔahu apirakuru a emu yɛ den, a ebia nea ɛka ho ne nkwaa a ɛtwetwe, srade dodow a ɛtɔ mmere bi a ɛyɛ srade a ɛwɔ ntini mu, ntini a ɛwɔ mfinimfini no a ɛpaapae, akyi a ɛdannan/subluxation of patella (Mfonini 8A), ne akyi sulcus sɛnkyerɛnne a emu dɔ a ɛnam impaction opira a ɛba akyi asen mu ntini a ɛwɔ akyi no so. MRI a ɛda adi pɔtee a ɛkyerɛ LPD a emu yɛ den no bi ne medial stabilizer opira (wohu wɔ 96%), lateral patellar tilt anaa subluxation, osteochondral opira ne nkwaa mu effusion (Mfonini 2B, C). Mpɛn pii no, wɔsan de patella no si hɔ ankasa bere a wɔatutu nea edi kan no akyi.

Ayarefo no mu bɛyɛ 70% benya akisikuru a ɛsan ba bio, na akisikuru a ɛsan ba a enni sabea betumi aba. Wɔ saa tebea yi mu no, MRI betumi akyerɛ sɛ medial stabilizer no tetew bere tenten, medial patellar deformity, ossification of medial patella, patellar-femoral fat impact, cartilage opira ne lateral patellofemoral joint a asɛe (Mfonini 3).

Patellar dislocations a emu yɛ den dodow no ara yɛ bere tiaa mu de na ɛbɛsan ayɛ no ara kwa. Ɛtɔ da bi a, ayarefoɔ, abusua mufoɔ, nnamfo, akyerɛkyerɛfoɔ anaa nteteefoɔ de wɔn nsa bɛsan de patella no asi hɔ wɔ hɔ ara. Sɛ ɔyarefo no kɔ baabi a wɔhwɛ wɔn a wɔwɔ yare a egye ntɛmpɛ esiane patellar dislocation nti a, wɔbɛma no aduru a ɛma n’adwene mu da hɔ. Wɔnam nan no a wɔtrɛw mu nkakrankakra so na ɛma patella so tew a wɔatoto mu. Sɛ wɔsan de si hɔ wie a, hwɛ kotodwe nkwaa no mu wɔ ayaresabea sɛ ebia apirakuru afoforo bi wɔ hɔ anaa.
Ayaresa a wɔtaa de di dwuma ma patella a edi kan a ɛpue ne ayaresa a ɛnyɛ oprehyɛn, na bere tiaa (adapɛn 2-4) a wɔde si hɔ wɔ splint anaa kotodwe nkwaa fixator mu no betumi adi ɛyaw ne ntini a edi kan a ɛsa wɔ ntua a emu yɛ den akyi no so. Wɔ saa bere yi mu no, wɔma poma kwan ma ɛsoa emu duru no. Ɛno akyi no, wɔde patella stabilizing brackets di dwuma de yɛ dwumadi ahorow, na wɔyɛ apɔw-mu-teɛteɛ de san ma kankyee, ahoɔden ne akwaa a wɔde di dwuma no san ba.
Mpɛn pii no, ayarefo san fi ase teɛteɛ wɔn apɔw mu bɛyɛ asram 3 wɔ ntua a edi kan no akyi. Ɛno da nkyɛn a, stent a wɔbɛhyɛ no yɛ nea obiara betumi apaw.
Wɔ ayarefo bɛboro 30% mu no, patellar dislocation a edi kan no ne kotodwe nkwaa a ɛtwetwe kɛse no wɔ abusuabɔ. Wɔ eyi mu no, ɛho hia sɛ wɔyɛ MRI de hu sɛ ebia nnompe mu akisikuru bi wɔ hɔ anaa. Beae a ɛtaa si saa akisikuru yi ne medial patella anaa lateral femoral condyle, na wɔtaa kamfo oprehyɛn a wɔde sa yare kyerɛ bere a ntini no mu abubu wɔ hɔ no.
Bere a wɔreyɛ oprehyɛn no, woyi nnompe mu asinasin a abubu no anaasɛ wosiesie sɛnea nnompe no kɛse ne sɛnea nnompe no te te. Sɛ osteochondral fracture kɛse yɛ ≥ 15 mm a, wosusuw fracture fixation a wɔde besi hɔ mmom sen sɛ wobetwa ho. Wɔnam ɔkwan a wɔabue so na ɛyɛ saa fixation yi denam dade screws, bioabsorbable pins anaa sutures so.
Wɔ akisikuru a wɔsa mu no, su a ɛne sɛ wɔyɛ oprehyɛn ma patella no gyina bere koro mu no nam mfinimfini a wosiesie anaasɛ MPFL a wɔsan yɛ so na ɛba. Sɛ wɔde dade nkɔnsɔnkɔnsɔn di dwuma de siw akisikuru no ano a, ebia ɛho behia sɛ wɔde oprehyɛn afoforo yi fi hɔ daakye.


Ma Czmeditech , yɛwɔ aduru a wɔde yɛ nnompe mu oprehyɛn a edi mũ yiye ne nnwinnade a ɛne no hyia, nneɛma a ɛka ho ne . akyi berɛmo a wɔde hyɛ nipadua mu ., nnadewa a wɔde hyɛ nipadua no mu ., Trauma mprɛte ., Mprɛte a wɔde to mu ., atiridiinini-maxillofacial ., Nneɛma a wɔde yɛ nipadua no ., Nnwinnade a ɛma ahoɔden ., abɔnten so fixators ., Arthroscopy ., Mmoa ho ayaresa ne wɔn adwinnade a ɛboa.
Bio nso, yɛasi yɛn bo sɛ yɛbɛkɔ so ayɛ nneɛma foforo na yɛatrɛw nneɛma a wɔyɛ mu, sɛnea ɛbɛyɛ a yebedi nnuruyɛfo ne ayarefo pii oprehyɛn ahiade ho dwuma, na yɛasan nso ama yɛn adwumakuw no asi akan kɛse wɔ wiase nyinaa nnompe mu nneɛma a wɔde hyɛ nipadua mu nyinaa mu.
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Sɛ wopɛ sɛ wuhu nsɛm pii a, klik . Czmeditech na woahwehwɛ ho nsɛm pii.
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