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The Fate of Pronator Quadratus Muscle after Volar Locking Plating of Unstable Distal Radius Fractures
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Chae Hyun Lim, Heun Guyn Jung, Ju Yeong Heo, Young Jae Jang, Yong Soo Choi
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J Korean Fract Soc 2014;27(3):191-197. Published online July 31, 2014
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DOI: https://doi.org/10.12671/jkfs.2014.27.3.191
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 Abstract
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- PURPOSE
The purpose of this study is to evaluate the pronator quadrates muscle in patients who underwent internal fixation with a volar locking plate for unstable distal radius fractures.
MATERIALS AND METHODS
Forty patients who underwent internal fixation with a volar locking plate for unstable distal radius fracture were enrolled. We evaluated the clinical results according to the Mayo wrist score, the wrist range of motion, and the grip strength at the last follow-up. Using ultrasonography, muscle thickness of the pronator quadrates was compared between injured and uninjured arm.
RESULTS
Bone union was achieved in all cases. The mean Mayo wrist score was 82.79 points. The grip strength of the injured arm was decreased to 89.1% of the uninjured side. The decrease of pronation range of the injured wrist motions was significant (82.3degrees, p=0.004). There was significant atrophy of the pronator quadrates muscle on the injured side (injured side: 3.19 mm, uninjured side: 4.72 mm, p=0.001); and the decrement of muscle thickness in pronator quadrates showed an association with the Mayo wrist score (r=-0.35, p=0.042).
CONCLUSION
These results suggest that continuity of the muscle is maintained after use of the volar locking plating for unstable distal radius fractures with repair of pronator quadrates; however, there is atrophy of pronator quadrates muscle and limitation of pronation in the injured wrist.
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The Results of Surgical Treatment for Nonunion of Phalanges in the Hand
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Hee Dong Kim, Yoon Hong Kim, Yong Soo Choi, Heun Guyn Jung
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J Korean Fract Soc 2008;21(2):140-144. Published online April 30, 2008
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DOI: https://doi.org/10.12671/jkfs.2008.21.2.140
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Abstract
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- PURPOSE
To evaluate the results of internal fixation and autogenous bone graft for the phalangeal nonunion in the hand.
MATERIALS AND METHODS
From Feb. 2000 until May 2006, thirteen cases that had been treated for non-union of phalanges in the hand were investigated retrospectively. Seven cases were treated with mini-plate fixation and autogenous cancellous graft and six cases with Kirschner wire fixation and autogenous cancellous graft. We analyzed bony union period radiographically and clinical results according to Belsky's score.
RESULTS
Thirteen cases obtained bony union. Seven cases of mini-plate fixation and bone graft, and six cases of K-wire fixation and bone graft achieved the bony union postoperatively on average 7.9 weeks and 6.3 weeks, respectively. Clinical results were "good" in four cases and "poor" in nine cases according to the Belsky's score. Only one of ten cases with associated injuries, such as tendon, nerve, arterial injuries and other finger fractures in the injured hand, had the good clinical result, but all three cases without associated injuries had the good one.
CONCLUSION
Internal fixation and autogenous bone graft can be a successful treatment of phalangeal nonunion. However, more careful choice of surgical treatment methods and preoperative explanation of poor post-operative results or complications should be made for phalangeal nonunion with associated injuries in the finger because of poor outcome in those cases.
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Radiologic Reduction Loss after Surgical Treatment of Distal Radius Fracture
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Heun Guyn Jung, Jin Bae Choi, Seung Yong Seo, Yong Soo Choi
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J Korean Fract Soc 2006;19(4):454-459. Published online October 31, 2006
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DOI: https://doi.org/10.12671/jkfs.2006.19.4.454
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Abstract
- PURPOSE
To compare and analyse radiologic reduction loss between fixation with K-wire only group and fixation with K-wire and external fixator group for surgical treatment of distal radial fracture.
MATERIALS AND METHOD
We analysed 60 patients who received the operative treatment with K-wire fixation only or K-wire and external fixator and also were in regular follow up at least one year. We compared radiologic reduction loss of radial length, radial inclination and volar tilt between immediate post-operative radiograph and latest follow up radiograph according to operative methods, fracture patterns and age groups.
RESULTS
Reduction loss of volar tilt was greater in fixation with K-wire only group than fixation with K-wire and external fixator group (p<0.05). Reduction losses of radial length and radial inclination were more in intra-articular subgroup than extra-articular subgroup in fixation with K-wire only group (p<0.05). No significant difference of reduction loss was noted between intra-articular and extra-articular subgroups in fixation with K-wire and external fixator group.
CONCLUSION
More radiologic reduction loss can be expected in fixation with K-wire only group for intra-articular distal radius fracture compared with extra-articular distal radius fracture. Additional external fixation should be added in intra-articular distal radius fracture to reduce radiologic reduction loss.
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