Abstract
BackgroundPosttraumatic patella osteomyelitis is rare, and the treatment of osteomyelitis remains to be challenging. Control of the infection commonly costs a long time, and it is easily to cause knee stiffness. In addition, there is no unified protocol for the treatment of knee stiffness.Case presentationWe reported a case of posttraumatic patella osteomyelitis that successive infected with methicillin-resistant staphylococcus aureus (MRSA) after multiple surgeries. We successfully treated osteomyelitis by one-staged surgery, but the patient present knee stiffness after treatment. Thus Ilizarov external fixation system was further used to gradually adjust the mobility by exerting mechanical stress to the joint. After adjusting the frame under a scheduled plan, the patient successfully restored satisfactory knee function.ConclusionsAdequate debridement is the key to control infections of posttraumatic osteomyelitis. Control the infection of posttraumatic patella osteomyelitis by one-staged surgery is achievable and could shorten the knee immobilization period. When knee stiffness occurs, scheduled range of motion (ROM) adjustment using Ilizarov frame with hinges might be a safe and useful method to restore function.
Highlights
Posttraumatic patella osteomyelitis is rare, and the treatment of osteomyelitis remains to be challenging
Post-traumatic osteomyelitis is mostly resulted from open fractures or improper management during surgical treatment, while posttraumatic osteomyelitis of the patella is relatively rare [3]
Case presentation A previously healthy 31 years old man was transferred to our hospital with history of closed fracture of the right patellar after fall injury 13 months ago
Summary
We believe that adequate debridement is the key to control infections of osteomyelitis. Possessed with plastic techniques or microvascular skills could help surgeons dispel the hesitations to perform sufficient debridement. Use of flaps and implantation of antibioticreleasing carriers, as well as choosing suitable antibiotics could all play important roles in osteomyelitis treatment. Adequate debridement and repairmen of the wound by one-staged surgery could shorten the knee immobilization time. When knee stiffness occurs, scheduled ROM adjustment using Ilizarov frame with hinges could
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