Abstract

Lateral tibial plateau fractures with depression are the most common. Their treatment is currently surgical. Many therapeutic procedures have been described. Our aim is to evaluate the results of open surgery and to compare the two internal fixation methods used: lag screw versus plates. This is a retrospective comparative study of two series of tibial plateau fractures Schatzker types II and III treated surgically over a period of tenyears with two different methods: Group A: Internal fixation using screws for 86 patients. Group B: Internal fixation using plates for 71 patients. Functional and anatomical results were assessed according to Rasmussen's clinical and radiological scores. The patients' average age was 44years (range from 18 to 76). The male gender was predominant (104 males and 53 females). Road traffic accidents were the most common aetiology with over two thirds of the cases. The fractures were type Schatzker II in 61% of the cases. The mean follow-up was fiveyears. Although the clinical and radiological Rasmussen scores were better in group A (internal fixation with lag screws), those differences were statistically insignificant (p = 0.6 and p = 0.8). Group A clinical and radiological scores were 26.06 and 16.57, respectively and those of group B were 25.72 and 16.45. We noticed more sepsis and skin complications and a longer operating time (95min versus 70min) in group B patients with a statistically significant difference. None of the patients of our series had bone grafting. For Schatzker II and III fractures, an internal fixation with lag screws would be preferable when possible especially in the case of a pure depression fracture. It yields satisfactory results with a shorter operating time and less complication rate.

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