Patella Fracture
Condition
(Broken Kneecap; Fracture, Patella; Kneecap Fracture; Patellar Fracture)
Definition
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Causes
The fracture may be caused by:
- A blow to the knee
- A fall onto the knee
- Forced stress on the muscle that extends the knee
Risk Factors
This problem is more common in men. Other things that may raise the risk are:
- Playing contact sports such as football and soccer
- Having health problems that weaken bones, such as osteoporosis
- Low muscle mass
Symptoms
Patella fracture may cause:
- Knee pain and swelling
- Problems moving the knee and walking
Diagnosis
The doctor will ask about symptoms and health history. A physical exam will be done, paying close attention to the knee.
Images will be taken of the knee. This can be done with:
Treatment
Treatment will depend on how severe the injury is. It can take weeks to months to heal. Medicine will be needed to ease swelling and pain. Other options are:
Prevention
Most fractures happen due to accidents. Healthy bones and muscles may help prevent injury. A healthful diet and regular exercise can help build healthy bones and muscles.
Without Surgery
A mild fracture may be treated with a cast to keep the knee from moving as it heals. A brace, cane, or crutches may be needed after the cast comes off. Exercises will also need to be done to promote strength and movement.
Academy of Orthopaedic Physical Therapy
Ortho Info—American Academy of Orthopaedic Surgeons
CANADIAN RESOURCES
Canadian Orthopaedic Foundation
Health Canada
Academy of Orthopaedic Physical Therapy
Ortho Info—American Academy of Orthopaedic Surgeons
CANADIAN RESOURCES
Canadian Orthopaedic Foundation
Health Canada
References
- Jarraya, M., Diaz, L.E., et al. Imaging of patellar fractures. Insights Imaging, 2017; 8 (1): 49-57.
- Patella fracture—emergency management. EBSCO DynaMed website. Available at: https://www.dynamed.com/management/patella-fracture-emergency-management.
- Patellar (kneecap) fractures. Ortho Info—American Academy of Orthopaedics website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00523.
Contributors
- Nicole S. Meregian, PA
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