West Suburban Animal Hospital 

 3265 King Road, Toledo, OH 43617

Phone:   (419) 841-4745

Fax:   (419) 841-6404

wsac@bex.net 

After Hours Emergency

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© 2014 by The West Suburban Animal Hospital. 

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patellar

luxation

 

Does you need to make     an appointment?

    Call us today at 419-841-4745

West Suburban's Dr. Gary Thompson is a Board-Certified Specialist in Canine and Feline Practice whose area of professional interest include orthopedic surgery.  

 

Our entire staff understands that the decision to allow your beloved pet to undergo surgery is never an easy one. We strive to ensure your pet's procedure is as comfortable and stress-free as possible.

 

Have you been referred? Please bring the following at the time of your consultation: 

  • Any recent radiographs or blood work from your family veterinarian

  • Any current medications your pet is taking

What is Patellar Luxation? 

Patellar luxation is a condition in which the patella (kneecap) slips out of its normal location within the stifle (knee). Patellar luxation has been described as the most common congenital, or present at birth, malformation in dogs diagnosed in 7% of puppies, and can manifest in different types of luxation and varying grades of severity. Small-breed dogs are affected at 10 times the rate found in large breed dogs. 

What are the Symtoms of Patellar Luxation?

The clinical signs of Patellar Luxation vary greatly with the severity of the disease, ranging from non-symptomatic to complete lameness in the affected leg.  Sometimes, signs will come and go as the patella luxates and then moves back into the correct location. 

Patellar Luxations are graded accordingly to severity as follows:

 

  • Grade I: Patella is loose, but generally stays in the groove.  Your dog may occasionally skip/hop, and is painful only when the patella is luxeated. Most dogs with Grade 1 patellar luxation are only midly affected and surgery is often not needed.  Most vets are able to luxate the patella and return it to its normal position. 

 

  • Grade II: The patella is in a normal position more than it is out. Frequency of luxation increases and the dog carries the leg more often. By manipulation, the vet can return the patella to a normal position.

 

  • Grade III: The patella is out more than in. Some dogs may appear bow-legged. By manipulation, the vet can return the patella to a normal position but it will spontaneously pop back out when the dog moves the leg through its normal range of motion. 

 

  • Grade IV:  The patella is permantely luxated. The dog may not weight-bear on that leg at all. At this point, the vet cannot return the patella to a normal positon by manipulation alone. 

 

 

Other conditions like a torn ligament inside the knee can also accompany patellar luxation. The doctor will explain what procedure is best for your pet at the time of the consultaiton.