الفهرس 
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Abstract
The patella is an important component of the extensor mechanism of the knee. Patellar fractures are relatively uncommon injuries which need to be fixed if displacement occurs more than 2mm. Transverse fractures comprise the largest category. Patellar fractures are intra-articular fractures which need open reduction internal fixation. Several different techniques for internal fixation have been employed which include the AO modified tension band wiring, inter-fragmentary screws or figure of eight tension band construct through cannulated screws.
The aim of this work was to evaluate the outcomes of fixation of transverse patellar fracture in adults using cannulated lag screws and fiber-wire tension band compared to Kirschner wires and stainless-steel wire cerclage.
This prospective study compared the results of treatment of 32 adult patients with transverse patellar fractures by two methods of treatment at Suez Canal university hospital .The patients were divided into two groups(A,B) on a random selection .
I- group A: including 16 patients treated with cannulated lag screw with fiber-wire tension band wiring
II- group B: including 16 patients treated with the Kirschner wires and stainless-steel wire cerclage.
The final results were evaluated according to Tegner Lysholm knee scoring scale after six months of follow up.
group A:
There was a statistically significant difference in mean Tegner Lysholm Knee Scoring Scale and ROM for flexion between both groups.
The complications occurred were 2 patients (12.5%) in group A had slight loss of reduction (<4 mm) of the fracture at 3 weeks postoperatively.