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  • Title: Treatment of posterior cruciate ligament avulsion fractures of the tibia using a toothed plate and hollow lag screw.
    Author: Chen W, Luo W, Chen Z, Jiang Y.
    Journal: Singapore Med J; 2016 Jan; 57(1):39-44. PubMed ID: 26831316.
    Abstract:
    INTRODUCTION: To investigate the feasibility and clinical efficacy of using a toothed plate and hollow lag screw in the surgical treatment of posterior cruciate ligament (PCL) avulsion fractures of the tibia. METHODS: A total of 21 patients were treated with open reduction and internal fixation using a toothed plate and hollow lag screw, through a posteromedial approach using an inverted L-shaped incision. The patients were allowed appropriate functional exercises, including knee flexion and extension, after removal of the plaster at postoperative weeks 3-6. The follow-up period was between six months and two years. RESULTS: This was a retrospective study of patients with PCL avulsion fractures of the tibia caused by road traffic accidents (n = 9), sports-related injuries (n = 6), falls (n = 5) and machinery-related injuries (n = 1). 20 patients presented with fresh fractures and one with an old fracture. The patients (13 men, eight women) had a mean age of 41.5 (range 19-72) years. Anatomical reduction of the fracture and satisfactory fixation were achieved in all 21 patients. Bony union was achieved in all patients at 8-12 weeks after surgery. Six months after surgery, knee flexion was 121.9° ± 10.4° and extension was 0°. According to the Lysholm Knee Scoring Scale, 19 patients were rated as 'excellent' and two as 'good'. CONCLUSION: The use of a toothed plate and hollow lag screw could be a simple and reliable approach for PCL avulsion fractures of the tibia. Patients achieved good knee function after surgery.
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