کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4078453 1267262 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Resorbability of rigid beta-tricalcium phosphate wedges in open-wedge high tibial osteotomy: A retrospective radiological study
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی ارتوپدی، پزشکی ورزشی و توانبخشی
پیش نمایش صفحه اول مقاله
Resorbability of rigid beta-tricalcium phosphate wedges in open-wedge high tibial osteotomy: A retrospective radiological study
چکیده انگلیسی

The open-wedge high tibial osteotomy (OWHTO) is a well accepted treatment modality for patients with osteoarthritis of the medial compartment associated with genu varum. To fill in the osteotomy gap 30% macroporosity rigid beta-tricalcium phosphate (β-TCP) is frequently used as a stable resorbable bone substitute. However, the resorbability of these β-TCP wedges is not known. The aim of this study was to investigate this.Twenty-one OWHTO procedures in seventeen patients were performed with the use of 30% macroporosity rigid β-TCP wedges. The osteotomies were fixed using an angle-stable locking plate. Conventional AP and lateral radiographs were examined in order to assess the resorbability of the 30% macroporosity rigid β-TCP wedges as a function of time. A radiological classification system consisting of five phases was used to monitor the resorption of the 30% macroporosity rigid β-TCP wedges. The mean duration of follow-up was 62 months (± 23 range of 28–99).In all 21 cases, remnants of the 30% macroporosity rigid β-TCP wedges were still present at maximum follow-up. Although the boundaries between 30% macroporosity rigid β-TCP wedges and bone remained slightly visible, all osteotomies were completely consolidated and full osseointegration took place. In 16 out of 21 knees the fixation system was removed after a mean duration of 32 months (± 19 range of 6–62). In six out of 21 knees a conversion to a knee arthroplasty was performed after a mean duration of 56 months (± 18 range of 37–82). The OWHTO did not interfere with the placement of knee prostheses.Complete resorption of 30% macroporosity rigid β-TCP wedges did not take place up to 8 years after operation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Knee - Volume 15, Issue 3, June 2008, Pages 201–205
نویسندگان
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