Comparison of a minimally invasive surgical technique with open surgery for transverse patella fractures

Shao,Jie; Wang,Jiabao; Chen,Yu; Mao,Ningfang; Zhang,Qiulin; Ni,Haijian

doi:10.3892/etm.2019.8078

Comparison of a minimally invasive surgical technique with open surgery for transverse patella fractures

Authors:
- Jie Shao
- Jiabao Wang
- Yu Chen
- Ningfang Mao
- Qiulin Zhang
- Haijian Ni
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Affiliations: Department of Orthopedics, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China, Department of Orthopedics, Suzhou First People's Hospital, Suzhou, Anhui 234000, P.R. China
Published online on: October 4, 2019 https://doi.org/10.3892/etm.2019.8078
Pages: 4203-4208
Copyright: © Shao et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

The current study aimed to compare a minimally invasive surgical technique with open surgery for the treatment of transverse patella fractures. A total of 38 patients with displaced transverse fractures of the patella were included in the current prospective study. A total 21 of them were treated with a minimally invasive surgical (MIS) technique and the other 17 patients had open surgery (OS) when using the Cable Pin System. Postoperative comparisons were based on radiographs, the visual analog scale (VAS) of pain, their ranges of motion and the Bostman grading scale. Compared with the OS group, the VAS score for pain was signiﬁcantly lower and the angle of active flexion was better in the MIS group at 4 and 8 weeks. The angle of active extension at 4 weeks and the Bostman score at 8 weeks after surgery were better in the MIS group, although the differences became non‑significant at 8 weeks and 12 months. In conclusion, the MIS technique for transverse patella fractures provided better clinical results and the knees functioned with less pain when compared with the OS group in the early period following surgery. MIS could be an adequate alternative in the treatment of transverse patella fractures.

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