Abstract：Objective To investigate the effect of palmar approach percutaneous compression screw fixation in the treatment of acute scaphoid lumbar fractures caused by military training.Methods Fifteen patients with acute scaphoid lumbar fractures who were treated with minimally invasive percutaneous volar screw internal fixation from September 2017 to June 2020 were retrospectively reviewed. After successful positioning of the syringe needle, the guide needle was inserted and the screw placement was completed along the guide needle. After plaster immobilization for 2 weeks, staged functional exercises were performed. Al the patients were followed up for an average of (18.13±8.68) months. The modified Mayo wrist function score system was used to evaluate the curative effect. The visual analogue scale (VAS) was used to evaluate the pain of patients. The range of motion (ROM) and grip strength of wrist flexion and extension, ulnar and radial deviation were recorded in the last follow-up.Results All the operations were successfully completed with an average intraoperative bleeding amount of (2.50±1.02) ml ,an average operation time of (44.73±5.67) min and with no complications during and after operation. The postoperative fracture healed smoothly, with an average healing time of (10.33±2.29) weeks. According to Mayo wrist function scoring system, 14 cases were excellent, and 1 case was good. VAS of pain was 0 in 12 cases, 4 in 1 case, and 1 in 2 cases. At the last follow-up, the flexion and extension of the wrist joint, the active range of motion (ROM) of ulnar and radial deviation and the grip strength were compared (P>0.05), and the difference was not statistically significant.Conclusions Percutaneous compression screw fixation in the treatment of acute scaphoid lumbar fractures which can avoid joint stiffness caused by long-term plaster immobilization is simple and effective, and can also shorten the operation time.
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