Articles: joint-instability-etiology.
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Zhonghua Wai Ke Za Zhi · Dec 2004
[Evaluation of neck moving ability after anterior cervical fusion].
To observe the relationship of adjacent segment degeneration and neck symptom after anterior cervical fusion. ⋯ Majority of patients who have accepted anterior cervical fusion possessed instability of adjacent segment, but many of them have no symptoms. Adjacent segment instability is one of the reasons that induce neck symptoms.
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Arthritis and rheumatism · Dec 2004
Reports of joint instability in knee osteoarthritis: its prevalence and relationship to physical function.
To report the prevalence and relationship of self-reported knee instability to physical function in a sample of subjects with knee osteoarthritis (OA), and to discuss the implications of these observations for rehabilitation. ⋯ The results indicate that a substantial proportion of individuals with knee OA report episodes of knee instability during activities of daily living, and instability affects physical function beyond that which can be explained by contributions from other impairments such as knee pain, range of motion, and quadriceps strength. Knee instability is a problem that should be specifically addressed in rehabilitation programs and may require interventions beyond those that address pain, joint motion, and muscular strength, to maximize the effectiveness of rehabilitation for individuals with knee OA.
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There is evidence in the literature for both a congenital and a post-traumatic aetiology for os odontoideum. In no series published to date has CT been used to aid in the diagnosis. This is a prospective study of the history of trauma and presence of diagnostic features on CT of 18 consecutive cases with os odontoideum. ⋯ These features were not seen in paediatric cases of atlanto-axial instability, including odontoid non-union. In conclusion, an elevated arch-peg ratio and the presence of a jigsaw sign are sensitive and specific diagnostic criteria for os odontoideum. This series supports a congenital aetiology for this condition.
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Case Reports
[Fracture of the medial femoral condyle as a complication of retrograde femoral nail removal].
A 26-year-old female patient with a femoral shaft fracture underwent retrograde femoral nailing. Nail removal was performed 2 years later, after fracture healing. An intraoperative fracture of the medial condyle of the femur occurred. ⋯ After 6 weeks of fractional weight bearing, the patient proceeded up to full weight bearing without complication. The case demonstrates that the removal of retrograde femoral nails is not without complications. The decision to undertake implant removal should be made carefully.