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Ultrasonographic Assessment of the Pronator Quadratus Muscle after Surgical Treatment for Distal Radius Fractures
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Dong Hyuk Choi, Hyun Kyun Chung, Ji Won Lee, Cheol Hwan Kim, Yong Soo Choi
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J Korean Fract Soc 2017;30(2):69-74. Published online April 30, 2017
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DOI: https://doi.org/10.12671/jkfs.2017.30.2.69
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 Abstract
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- PURPOSE
This study was to assess the morphological changes of the pronator quadratus (PQ) muscle using an ultrasonography in the volar locking plate fixation group and in the percutaneous K-wire fixation group for distal radius fracture, and to evaluate the impact on clinical outcomes.
MATERIALS AND METHODS
Fifty-four patients who received surgical treatment for distal radius fracture were enrolled in this study. They were divided into two groups according to treatment modality: Group 1 included 34 patients who underwent internal fixation with volar locking plate and Group 2 included 20 patients with percutaneous K-wire fixation. Thickness of the PQ muscle was measured using an ultrasonography at the final follow-up. We evaluated the outcomes using the Mayo wrist score, wrist range of motion, and grip strength at the final follow-up.
RESULTS
Compared with the uninjured side, thickness of the PQ muscle showed 31.9% of mean atrophy in Group 1 and 11.4% in Group 2. The atrophy of PQ muscle was severe in Group 1 (p=0.01). However, there was no significant difference in the mean Mayo wrist score between the two groups (83.1±10.9 in Group 1 and 80.2±8.9 in Group 2, p=0.28), except a mild limitation of pronation in Group 1.
CONCLUSION
The healed PQ muscle from fracture itself after distal radius fracture revealed a morphological atrophy. Moreover, the volar locking plate resulted in greater atrophy of the PQ muscle, but there was no specific impact on clinical outcomes.
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Modified Phemister Technique with Tension Band Wiring in Acromioclaviculr Joint Dislocation
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Yu Jin Kim, Hun Kyu Shin, Ji Won Lee
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J Korean Fract Soc 2006;19(4):431-436. Published online October 31, 2006
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DOI: https://doi.org/10.12671/jkfs.2006.19.4.431
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Abstract
- PURPOSE
To evaluate the clinical and radiological result of surgical treatment of acromioclavicular joint dislocation, using modified Phemister technique with tension band wiring.
MATERIALS AND METHODS
We chose 17 patients who were able to follow up 1 year or more among the patients who were diagnosed as acromioclavicular joint dislocation in our hospital through January 2000 to Feburary 2005 and took modified Phemister technique with tension band wiring. Evaluation of the surgical results was done with the condition of pain, activity of daily living, range of motion, muscle tone by constant score system, and with preoperative, postoperative and last follow up radiographs.
RESULTS
Clinical evaluation was average 92 point by Constant score system from 84 point to 100 point. Subjective evaluation was 11 excellent (65%), 6 good (35%). Radiological evaluation was 9 excellent (54%), 6 good (38%), 2 fair (12%), and no poor group. On the final follow up, two cases showed inflammatory reaction at where pins were inserted, but after the removal of the pins, the inflammation was subsided.
CONCLUSION
The modified Phemister surgery for acromioclavicular dislocation is one of effective techniques, we can obtain firm fixation, exercise full range of motion early and there is no complication of re-dislocation.
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