Chinese Journal of Clinical Anatomy ›› 2021, Vol. 39 ›› Issue (2): 192-195.doi: 10.13418/j.issn.1001-165x.2021.02.014

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Clinical study of minimally invasive percutaneous screw fixation for digital treatment of talar posterior process fractures

Wei Ke1, Chen Qiwang2, Mao Haijiao3   

  1. 1. Ningbo University School of Medicine; 2.Ningbo No.9 Hospital; 3. The Affiliated Hospital of Medical School, Ningbo University
  • Received:2020-03-23 Online:2021-03-25 Published:2021-04-08

Abstract: Objective To investigate the clinical effect of digital technology assisted minimally invasive percutaneous screw fixation in the treatment of talar posterior process fractures. Methods A total of 19 patients with talar fracture treated from June 2014 to December 2018 were selected, including 13 males and 6 females, aged from 28 to 57 years, with an average of 37.7 years. The causes of injury were 5 cases of car accident injuries, 11 cases of fall injuries from heights, and 3 cases of sprains. There were 11 cases of talar posterior process fracture, 4 cases of subtalar joint dislocation, 2 cases of ankle fracture, and 2 cases of calcaneus fracture. Digital technology was used to perform precise minimally invasive surgery on the above patients. The AOFAS Ankle Hindfoot Scale and Visual Analogue Score (VAS score) were used to evaluate the function of the affected foot before operation and at the last follow-up. Results Nineteen patients were followed up for 9 months to 22 months, with an average of 14.2 months. All patients had no complications such as incision infection, fracture displacement, vascular and nerve injury, and unhealed bone. AOFAS ankle-hindfoot score: preoperative (38.8±12.4) points and postoperative (87.0 ±6.4) points. VAS score: preoperative (4.8±1.2) points and postoperative (1.0±0.7) points. The AOFAS ankle- hindfoot score was excellent in 17 cases of patients and good in 2 cases of patients. Conclusions The application of digital technology assisted minimally invasive percutaneous screw fixation in the treatment of talar posterior process fractures can improve the accuracy of surgery, shorten the operation time, and reduce surgical trauma.

Key words:  Digitalization; ,  Individualization; ,  Minimally invasive; , Posterior process fracture of talus

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