Abstract: Background: In order to lower failure rates, distal femur fractures are treated with double fixation constructs. These constructs provide a solid framework that allows for early partial weight-bearing and early and immediate range of motion. This study aimed to evaluate the functional and radiological effects of treating comminuted unstable distal femur fractures in adult patients using double plating, which consists of a lateral locking plate and a medial buttress plate.
Methods: This prospective study was conducted on 21 participant with 18 years old or more, both sexes, with acute comminuted distal femur fractures Grade (A3, C2, and C3) according to AO Classification of distal femur fractures, closed and open (Grade I) distal femur Fractures. All patients were subjected to lateral and medial approach of distal femur.
Results: Time of union showed a moderate positive correlation with age (r=0.607, P=0.004), while it showed a moderate negative correlation with smoking (r=-0.507, P=0.019) and diabetes mellitus (DM) (r=-0.539, P=0.012). Functional score had negative correlation with age, smoking, DM, time of union, Infection, and stiffness. Radiological score had negative correlation with age, smoking, diabetes mellitus, time of union, Infection, and stiffness. On multiple regression analysis, age, DM, time of union, and delayed union were significant predictors of complications. The functional score was significant increase at 6 and 12 months compared to at 3 months, and significant increase r at 12 months vs. 6 months (p<0.05).
Conclusion: There was encouraging evidence that double plating comminuted unstable distal femur fractures sped up the healing process, improved function, early rehabilitation and reduced complications. Double plating emerged as an effective option with significant benefits for patients with comminuted unstable distal femur fractures.
