| Functional Results of Combined Distal Radioulnar Ligament Reconstruction and Ulnar Shortening Procedure |
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Sung-Cheol Yang, Joo-Yup Lee, Joo-Hyoun Song, Han-Yong Lee, Hyun-Sik Lee |
| 원위 요척관절 재건술과 동시에 시행한 척골 단축술 |
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양성철, 이주엽, 송주현, 이한용, 이현식 |
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| Abstract |
Purpose
To retrospectively review the clinical outcome of combined distal radioulnar ligament reconstruction and ulnar shortening procedure in chronic distal radioulnar joint (DRUJ) instability with positive ulnar variance. Materials and Methods: From May 2003 to December 2006, 11 patients who had chronic DRUJ instability with positive ulnar variance were treated with combined distal radioulnar ligament reconstruction and ulnar shortening. There were 2 men and 9 women. The mean age of the patients was 35.4 years (range 19~64). DRUJ stress test and ulnar grind test were positive in all patients. Anatomic DRUJ reconstruction with free palmaris longus tendon graft and ulnar shortening were done using the same dorsal incision. Postoperative results were assessed using range of motion, modified Mayo wrist score, and DASH disability score. Results: Mean ulnar shortening were 3.4±0.5 mm, and bony union was achieved in all patients. Mean flexion / extension motions were 134 degrees and pronation / supination were 153 degrees, which are not different from preoperative range of motions. Eight of the 11 patients were rated as “excellent”, 2 as “good”, and 1 as “fair”, according to the modified Mayo wrist score. Mean DASH disability score was 18 (range 9~34). Conclusion: Our findings show that distal radioulnar ligament reconstruction combined with ulnar shortening procedure is an effective treatment method for post-traumatic DRUJ instability with positive ulnar variance. |
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