Cruciate Ligament Rupture
A common orthopedic injury in large breeds involving tearing of the cranial cruciate ligament in the knee, leading to pain, lameness, and arthritis.
Detailed Description
The cranial cruciate ligament stabilizes the knee. In large, heavy dogs, chronic stress or acute trauma can cause rupture, resulting in pain, lameness, and secondary arthritis. Bilateral disease is common in predisposed breeds.
Common Symptoms
- Sudden hind limb lameness
- Swelling of the knee
- Difficulty rising
Management Options
- Surgical stabilization (TPLO, TTA, extracapsular repair)
- Weight management
- Physical therapy
Frequently Asked Questions
Is surgery always required?
Surgery is recommended for large breeds for best outcome.
Can both knees be affected?
Yes, bilateral disease is common.
Is it painful?
Yes, especially acutely.
Can it recur?
Yes, the opposite knee is often affected later.
How long is recovery?
8-12 weeks post-surgery.
Condition Details
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Typical Age of Onset
2 to 7 years
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Testing Available
No
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Diagnosing Methods
Physical exam (cranial drawer test, tibial thrust); Radiographs
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Preventative Measures
Maintain healthy weight; Avoid excessive jumping or rough play
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Related Conditions
Hip dysplasia, Patellar luxation