Umar Artroza Necroza
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![Page 1: Umar Artroza Necroza](https://reader033.fdocument.pub/reader033/viewer/2022061522/563dbb00550346aa9aa973fb/html5/thumbnails/1.jpg)
Artroza umarului
![Page 2: Umar Artroza Necroza](https://reader033.fdocument.pub/reader033/viewer/2022061522/563dbb00550346aa9aa973fb/html5/thumbnails/2.jpg)
Artroza centrata a capului humeral
![Page 3: Umar Artroza Necroza](https://reader033.fdocument.pub/reader033/viewer/2022061522/563dbb00550346aa9aa973fb/html5/thumbnails/3.jpg)
Artroza centrata a capului humeral
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Artroza + subluxatie posterioara
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Artroza survine adesea dupa ruptura coafei
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Omartroza cu ascensiune
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Osteonecroza
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Osteonecroza
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Osteonecroza
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Proteza de umar in omartroza severa
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Indicatiile protezei de umar
• Omartroza centrata : 45 %• Sechele fracturi : 14 %• Poliartrita reumatoida : 10 %• Osteonecroza cefalica : 6 %• Omartroza excentrata : 5 %• Fracturi cap humeral : 20 %
(Studiu multicentre Aequalis (Nice 2000)2000 proteze revazute dupa 2 ani
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Proteze cefaliceProteze totaleProteze inversate
Protezele de umar
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Proteza cefalica Neer
Protezele de umar
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Protezele de umar
Proteza cefalica(« Aequalis »)
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Proteza totala Neer
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Proteza totala <<Aequalis>>Metal+polietilen, polietilen+polietilen cimentate
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Proteza inversata(Grammont)
Portiunea sferica fixata pe glena
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Proteza inversata Grammont
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Indicatia protezei dependenta de starea coafei
Proteza totala stabila pe omartroza centrata + coafa corecta
![Page 20: Umar Artroza Necroza](https://reader033.fdocument.pub/reader033/viewer/2022061522/563dbb00550346aa9aa973fb/html5/thumbnails/20.jpg)
Indicatia protezei dependenta de starea coafei
Acensiunea protezei in coafa insuficienta
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Tratamentul omartrozei centrate
Proteza totala
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Tratamentul omartrozei necentrate
Deltoid bun si forma acetabulara conservata
Proteza cefalica
Deltoid bun, glena deformata
Proteza inversata
In rotatia externa forta diminuata
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Tratamentul poliartritei reumatoide
• coafa buna+glena uzata
Rezultate bune
• coafa degenerata+glena distrusa
Scop antalgic
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Protezele in sechelele dupa fracturi
Cap humeral cu deformare mica
Rezultat bun
Calus vicios
Rezultat mediocruComplicatii numeroase
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Tratamentul osteonecrozei capului humeralTratamentul osteonecrozei capului humeral
Glena intacta Glena intacta
Proteza cefalicaProteza cefalica
Glena modificataGlena modificata
Proteza totalaProteza totala
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Necroza de cap humeral post-fractura
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Artroplastia in fracturile recente
Dificultati in restabilirea:
- Inaltimii corecte- retroversiei corecte- pozitionare corecta a trohiterului si trohinului
Conditii esentiale pentru un rezultat functional bun
Dupa 70 de ani
Fracturi cominutive
Prothèses céphaliques