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📍 Veterinary Hospital Sacrum, Vantaa — Orthopedics Specialists
Patellar dislocation, or patellar dislocation, is one of the most common musculoskeletal disorders in dogs, especially in small breeds (e.g. chihuahua, jack russell terrier, poodle).
The condition is often caused by structural defects in the knee: the patella groove is too shallow, allowing the lamina to slip out of place.
Typical symptom: “Bouncing”
The owner often notices that the dog skipping one step on the trot or jump for a moment on three legs, and then continue to travel normally. This happens when the water lily slips out of the groove and returns back there.
Degrees of patellar luxation (1—4)
The veterinarian classifies the severity of the ailment by palpating:
- Grade 1: The water lily can be pushed out of its place, but it will immediately come back. Often asymptomatic.
- Grade 2: The water lily slips away and back on its own. Often causes lameness and cartilage damage.
- Grade 3: The water lily is permanently out of place, but can be restored manually. Causes error positions.
- Grade 4: The lion is permanently dislocated and does not stay in the groove. The leg is often hooked and unusable.
When is surgery necessary?
Not all patella luxations need to be cut. Surgical treatment at the Veterinary Hospital Sacrum is recommended if:
- The dog repeatedly limps or is painful.
- Luxation is degree 3 or 4.
- This is a young, growing dog (to prevent bone distortion).
In surgery, the patella groove is deepened and, if necessary, the shin bone is moved to straighten the alignment. The prognosis is generally excellent.
📞 Do you suspect patella luxation? Make time for research: 010 739 9130
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