Outcomes after operative treatment of patella fractures

Khidzhazin V.K., Solod E.I., Abdulkhabirov M.A.


Patella fractures account for one percent of all fractures. Arthritis, non-union and other complications which affect the function of the lower limb may develop in the long term.
The aim
was to develop the most optimal osteosynthesis techniques for patella fractures.
We analyzed longterm treatment results of 78 patients with patella fractures treated from 2017 to 2018 using the KOOS (The Knee Injury and Osteoarthritis Outcome Score) scale, clinical examinations and knee joint X-rays. Based on the methods of surgical treatment for patella fractures, we divided the patients into 5 groups: Weber tension band wiring for two-fragment fractures; cross-like osteosynthesis and other methods of patella osteosynthesis using K-wires and wire loops for multifragmental fractures of the patella; combined osteosynthesis (tension band wiring with an additional screw or cerclage around patella); partial patellectomy and the inferior pole osteosynthesis.
A comparative analysis of patients’ groups after surgical treatment of patella fractures using the KOOS scale showed the best results after Weber tension band wiring for transversal fractures (72 %). The results of patients with multifragmental fractures of the patella using K-wires and wire loops were positive in 64 %; after the restoration of the inferior pole in 68 %, after partial patellectomy in 57 %.
For transversal fractures of the patella, tension band wiring is the method of choice. With multifragmental patella fractures, good results are achieved by cross-like osteosynthesis and other methods using K-wires and wire bands. The use of patellectomy followed by wire loop locking should be avoided for all types of patella fractures. In fractures of the inferior pole of the patella, it is preferable to fix it to the main patella fragment.


patella fractures, osteosynthesis, KOOS, outcomes

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