| The Short Term Results of Bipolar Radial Head Prosthesis |
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Jong Woong Park, Joon Gyu Moon, Jung Ho Park, Sang Hwan Han, Jun Yong Lee, Jae Gyoon Kim, Joon Soo Park |
| 이극성 요골두 금속 치환술의 단기 추시결과 |
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박종웅, 문준규, 박정호, 한상환, 이준용, 김재균, 박준수 |
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| Abstract |
Purpose
We reports the short term results of 8 cases of bipolar radial head prosthesis for complex radial head comminuted fracture. Materials and Methods: We performed bipolar radial head arthroplasty (Tornier, Saint-Ismier, France) in 8 patients for radial head comminuted fractures combined with associated elbow injuries (complex radial head fracture). For the evaluation of results, stability and range of motion (ROM) of the elbow were measured. The functional score of the elbow joint was ranked using Mayo Elbow Performance Index (MEPI). The stability of the implant was evaluated on the final follow up radiographs. Results: 6 patients had acute traumatic radial head comminuted fractures with unstable elbow joints. 1 patient had a failed osteosynthesis of the radial head fracture nonunion. 1 patient had a revisional arthroplasty due to broken silicon radial head prosthesis. At last follow up, all patients showed stable elbow joints. Average ROM was 10.4��132.8�. MEPI were excellent in 6 cases and good in 2 cases. On the final radiolographs, there was no implant loosening or failure. Conclusion: Short term results of bipolar radial head prosthesis are satisfactory without significant complication. For the complex radial head comminuted fracture, which may induce chronic instability of the elbow joint, a bipolar prosthetic replacement of radial head may be a good surgical option instead of radial head removal. |
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