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:: دوره 15، شماره 3 - ( تابستان 1396 ) ::
جلد 15 شماره 3 صفحات 216-221 برگشت به فهرست نسخه ها
کارگزاری لاینر سیمانی در کاپ بدون سیمان
دکتر بابک سیاوشی*
چکیده:   (458 مشاهده)
Backgrounds
In some situations, an orthopedic surgeon may be forced to use unusual combinations of liners and metal shells. For example, in revision total hip surgery, for  retaining  of  well fixed cementless cup14,15  with  locking mechanism which can not be re used ,a cemented liner can be used in the metal shell
 
Methods
In this study we report ten years follow up of these cases. Fourteen of 82 cases (16.5%) of revision total hip arthroplasties  had cemented polyethylene liner in cementless metal shell. Average follow up was 6,2 years( 1 to 10 years). Their age and sex , cause of revision, follow up time, Harris hip score , loosening ,constrained liner, osteolysis ,dislocation, dislodgement of cemented liner from cementless cup, Leg length discrepancy, cause of using this combination, infection, and use of allograft behind shell for osteolysis around cup were considered.


Results
The most common cause of revision was osteolysis (64%). The most common cause of using this combination was impaired locking mechanism (65%). There were few complications (one osteolysis and one infection). In five cases (36%) constrained liners were used and in ten cases (72%) allograft was needed. The final Harris Hip scores were mostly good or excellent (78%). Only one dislocation was seen.
Conclusions
It seems that if it is necessary to use this non ordinary combination of cemented cup in cementless shell, there are no significant problems and complications.



 
     
نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
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Cemented liner in cementless cup. IJOS. 2017; 15 (3) :216-221
URL: http://ijos.ir/article-1-454-fa.html

سیاوشی بابک. کارگزاری لاینر سیمانی در کاپ بدون سیمان. مجله جراحي استخوان و مفاصل ايران. 1396; 15 (3) :216-221

URL: http://ijos.ir/article-1-454-fa.html



دوره 15، شماره 3 - ( تابستان 1396 ) برگشت به فهرست نسخه ها
مجله جراحی استخوان و مفاصل ایران Iranian Journal of Orthopaedic Surgery
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