Bo-Hua Li,Shan-Xi Wang,Jun Li,Fu-Guo Huang,Zhou Xiang,Yue Fang,Gang Zhong,Min Yi,Xiao-Dan Zhao,Lei Liu.[J].中华创伤杂志英文版,2018,21(4):193-196
Early and mid-term results of transarticular external fixation in the treatment of supination-external rotation type IV equivalent ankle fractures
  
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KeyWord: Ankle fracturesSupination-external rotationDeltoid ligamentFracture fixation, external
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Author NameAffiliation
Bo-Hua Li Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610041, China 
Shan-Xi Wang Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610042, China 
Jun Li Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610043, China 
Fu-Guo Huang Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610044, China 
Zhou Xiang Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610045, China 
Yue Fang Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610046, China 
Gang Zhong Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610047, China 
Min Yi Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610048, China 
Xiao-Dan Zhao Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610049, China 
Lei Liu Department of Orthopedics, West China Hospital of Sichuan University, Chengdu 610050, China 
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Abstract:
      Purpose: To investigate the early and mid-term results of open reduction and internal fixation (ORIF) with transarticular external fixation (TEF) but no deltoid ligament repair (DLR) in the treatment of supination-external rotation type IV equivalent (SER IV E) ankle fractures (AO/OTA classification 44-B 3.1) and provide evidence for clinical practice. Methods: This study cohort consisted of 22 patients with SER IV E ankle fractures that underwent ORIF with TEF but no DLR between December 2011 and December 2014. There were 13 males and 9 females, mean age 38.9 years (range, 17e73 years). Eight cases involved the left side and 14 the right side. The causes of fractures included road traffic accidents (11 cases), falling from height (6 cases) and sports injuries (5 cases). The mean period of hospitalization was 9.8 days (range, 6e14 days). For all the patients, MRI and three-dimensional CT were done before surgery and X-rays done preoperatively and during follow-ups. The external frame was kept for 8e10 weeks. The preoperative American Orthopedic Foot and Ankle Society (AOFAS) ankle-hindfoot score was 56.86 ± 4.400, the Medical Outcomes Short Form 36-item (SF-36) questionnaire score was 57.41 ± 4.102 and the visual analog score (VAS) was 5.50 ± 1.058. Patients' main complaints about inconvenience of daily life were also recorded. Results: All the 22 patients were followed up for 24e63 months (mean, 33.6 months). None of them developed nonunion during the follow-up; pin site infection was observed in one patient and posttraumatic osteoarthritis in another. At the final follow-up, the average AOFAS score, SF-36 score and VAS score were respectively 90.59 ± 5.096, 79.59 ± 5.394 and 1.82 ± 1.181, which were significantly improved compared with the preoperative data (t = 26.221, p < 0.001; t = 11.910, p < 0.001; t = 11.571, p < 0.001). The therapeutic effect was excellent in 13 cases, good in 7 cases and fair in 2 cases, with a good-excellent rate of 90.9%. Patients' main complaints were inconvenience of clothing (17 cases) and extremity cleaning (5 cases). Conclusion: In the treatment of SER IV E ankle fractures, ORIF with TEF but no DLR can achieve satisfactory outcome, but long-term effect should be confirmed by large sample randomized controlled trials.
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