Carpal Hyperextension Average Cost

From 493 quotes ranging from $500 - 3,000

Average Cost

$1,500

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What is Carpal Hyperextension?

For many owners, the first symptom noticed is an unusual gait or refusal to weight bear on a forelimb. As further trauma can cause complications it is vital you contact your veterinarian if you suspect your pet may be suffering from this condition. The prognosis without treatment is poor, however for pets who receive surgery there is a good chance of full limb function recovery.

Carpal hyperextension is caused by excessive force on the carpus, leading to the tearing of the ligaments and fibrocartilage and collapse of the carpal joint. This can be caused by sudden trauma such as falls or injury during exercise or chronic conditions such as abnormal posture while weight-bearing.

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Symptoms of Carpal Hyperextension in Dogs

The symptoms will vary but may include: 

  • Pain and swelling on the forelimb
  • Abnormal, hyperextending stance and gait 
  • Crying or pain vocalisation
  • Increased distal limb extension
  • Joint instability

Causes of Carpal Hyperextension in Dogs

  • Acute traumatic - Caused by excessive force on the carpus, leading to the tearing of the ligaments and fibrocartilage and collapse of the carpal joint; this is common following a fall and injuries while working or exercising 
  • Inflammatory polyarthropathy - Arthritis that causes the immune system to activate an inflammatory response in the joints causing swelling, pain and joint laxity 
  • Degenerative - This form is common in some Collie breeds and often causes spontaneous, bilateral carpal joint hyperextension

Diagnosis of Carpal Hyperextension in Dogs

Your veterinarian will perform a full clinical examination on your pet and watch your pet’s gait to assess weight bearing and source of pain. It is likely that your veterinarian will perform radiographs on your pet under sedation. In order to visualise the carpus and assess it for hyperextension a series of radiographs will be performed to demonstrate weight bearing positions. This will allow visualisation of the ligaments and damage.

Treatment of Carpal Hyperextension in Dogs

The best treatment for your pet will depend on the underlying cause of the carpal hyperextension. 

Conservative Care

If your pet is suffering from developmental hyperextension or a low-grade sprain he may be able to utilise rest and exercise restriction. Your veterinarian will provide a supportive splint for your pet and may recommend physiotherapy and hydrotherapy.

Surgery

If your pet is suffering from a fracture he will require orthopedic surgery in order to stabilise the fracture. In some cases, a partial carpus fusion is required, where the middle and carpometacarpal joints are fused together to reduce movement without the antebrachial joint. In cases of severe injuries and degenerative hyperextension a procedure called pan-carpal arthrodesis may be required. This immobilizes the carpal joint by fusing all three of these joints together using internal fixation. Your veterinarian will be able to discuss this procedure with you when viewing your pet’s radiographs. 

A general anesthetic will be required for this procedure, although there are risks involved with anesthesia a qualified veterinary nurse will carefully monitor your pet’s vital signs throughout the surgery. In order to reduce the anesthesia agent needed, and therefore reduce the risk of respiratory and cardiac depression, a brachial plexus nerve block may be given to your pet prior to the surgery. 

Post-operative recovery

To provide pain relief following the surgery a non steroidal anti-inflammatory will be given to your pet. Your pet will be placed in a warm, dark area to recover from the surgery and offered food once he is alert. To support the limb, a Robert Jones dressing will be applied until the swelling reduces.

Recovery of Carpal Hyperextension in Dogs

Provide your pet with a warm, enclosed area to recover in. Although your companion may have a reduced appetite, ensure food is offered. It is important during this healing period that your pet is given excellent nutrition; high fat foods such as anchovies provide palatability while protein, which has a restorative effect on damaged muscle and connective tissue, promotes healing.

The prognosis following surgery is good with 74% of patients regaining full limb function within 4 months. Your pet will be discharged with a coaptation cast that will be required for 6-8 weeks, it is important that this is kept clean and dry, as infection is one of the known complications of this procedure. 

One of the main causes of surgery failure is unprotected weight bearing. With this in mind, you may need to restrict your pet’s activity during this time; ensure movement restrictions are discussed with your veterinarian and a clear plan is in place. 

Following the surgery, radiographs will be taken at 6 - 8 weeks to assess the the procedure and visualise the fusion of the joint. If the surgery was successful implant removal at 12 -16 weeks may be recommended.

Carpal Hyperextension Questions and Advice from Veterinary Professionals

Paris
Cavashi
17 Months
Mild condition
0 found helpful
Mild condition

Has Symptoms

Now limping and in pain

Hi, my dog had surgery on the the 30/08/17 for this problem all they did was cut the ulna bone as it had not grown the same lenght as the radius i collected her after the opp with no dressing at all and have kepted her resting as much as possible the leg now looks worse than before and she cant walk far I have had a secound apion and have been told the bone is still broken and she shouldent have had this done to her she was 14 mounths old time off opperation.

Dr. Callum Turner, DVM
Dr. Callum Turner, DVM
2992 Recommendations
Now this has been done, Paris may require other operations to correct the damage done from the first surgery; it would be wise to speak with an Orthopaedic Specialist and have them check Paris’ x-rays to see what their thoughts are. For the meantime, keep movement to a minimum and make sure she is comfortable. Regards Dr Callum Turner DVM

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Adon
Doberman Pinscher
5 Months
Mild condition
0 found helpful
Mild condition

Has Symptoms

Carpal

Medication Used

Dexamethasone

Hello,i have a doberman pinscher 5 months old.I saw he has a problem when walking lowly he limping but he can Run with no problem.He has a swelling carpal.I don't know is from of sprain or arthrisitis(disease).When i touch the carpal he don't have pain.I think the dog is overweight.He licking the carpal.I hope so you can help me please.

Dr. Michele King, DVM
Dr. Michele King, DVM
1406 Recommendations
Thank you for your question. Without seeing Adon, Im not able to comment on whether he may have an injury or a problem with his growing bones. It would be a good idea to see a veterinarian and have him examined, as he is a large breed dog, has a lot of growing to do, and you want to make sure that he isn't having developmental problems at this age, before his growing is finished.

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