Novel Claw-shaped Bone Plate in Complex Unstable Scapular Neck and Body Fractures: Comparison with Reconstruction
Huiming Shi1,2, Kun Zhang3, Yuanjun Hu2
1School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, China.
Objective:
For complex and unstable scapular fractures requiring simultaneous fixation of the glenoid neck, the lateral margin of the body, and/or the scapular diaphysis, reconstruction locking plate is difficult to achieve satisfactory fixation. In order to optimize the fixation effect, the newly designed claw-shaped bone plate was designed for fixing such fractures. We also evaluate the clinical effects and follow-up at an average of 1 year after treatment in scapular internal fixation by using reconstruction locking plate and claw-shaped bone plate in complex unstable scapular body and glenoid neck fracture.
Methods:
A retrospective study was conducted from 2018 to 2021, thirty-three patients (27 males and six females) who were defined unstable scapular fractures by Ada-Miller. Fifteen patients (52.86 ± 8.26 years) received claw-shaped bone plate and 18 cases (51.61 ± 11.31 years) received reconstruction locking plate with the intermuscular approach. The clinical effect was evaluated based on the operation time, intraoperative blood loss, surgical complications, clinical healing time and Constant-Murley score (CMS). The data analysis by Student t, Mann-Whitney U test and Pearson's chi squared test.
Results:
Compared with reconstruction locking plate, the claw-shaped bone plate showed shorter operation time (102.73 ± 18.43 min vs. 156 ± 37.53, P < 0.0001), higher CMS (94.00 ± 4.07 vs. 89.88 ± 5.42, P = 0.02) and no differences between the two groups regarding intraoperative blood loss (208.00 ± 96.45 mL vs. 269.44 ± 120.21, P = 0.12) and clinical healing times (9.96 ± 1.52 vs. 10.05 ± 1.67, P = 0.87). Follow-up were conducted at first, third, 6 and 12 months after surgery. The operation was successful in all patients with no intraoperative complications.
Conclusions:
For the treatment of complex and unstable scapular neck body fractures, the application of claw-shaped bone plate demonstrated short operation time, better stability of the fracture block, and higher CMS. In the intraoperative and postoperative follow-up showed better clinical results and rehabilitation effects.
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