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Musculoskelet Surg ; 95(1): 7-12, 2011 Apr.
Article in English | MEDLINE | ID: mdl-21472529

ABSTRACT

This retrospective study was done to evaluate the results of total knee arthroplasty performed on 32 patients with stiff knee, having a preoperative arc of movement between 0° and 50° (average 30°). This group of patients were matched with a group of 32 flexible knees, randomly selected from the same cohort of patients who underwent knee arthroplasty in our ward. At a mean follow-up of 4.5 years (min 2, max 11 years), seven patients of the stiff group reported complications (21.8% overall): four prosthetic infection that successively underwent removal of the implant, one skin necrosis 4 months after the intervention, one early contracture and one late stiffness of the knee. In the control group, in two cases, there was substitution of the implant due to periprosthetic infection. At the end of the study period, the clinical evaluation was not possible in four patients of the stiff and in two patients of the control group who underwent revision of the prosthetic components. An excellent or good clinical result was obtained in 92% of stiff group and in 96% of the control group patients. Although the final results achieved in these patients are worse than those of patients with flexible knee due to disadvantageous preoperative conditions and high complication rate, our results demonstrate the efficacy of the arthroplasty procedure as treatment of stiff knee.


Subject(s)
Arthroplasty, Replacement, Knee , Joint Diseases/surgery , Knee Joint/surgery , Prosthesis-Related Infections , Range of Motion, Articular , Adult , Aged , Aged, 80 and over , Arthroplasty, Replacement, Knee/adverse effects , Female , Follow-Up Studies , Humans , Joint Diseases/etiology , Male , Middle Aged , Osteoarthritis, Knee/surgery , Prosthesis Failure , Prosthesis-Related Infections/etiology , Recovery of Function , Reoperation , Retrospective Studies , Treatment Outcome
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