Chronic pain is a topic that is near and dear to my heart. I have a 12 year old boxer with severe osteoarthritis in his knees secondary to cruciate ligament ruptures and an OCD (osteochondrosis dissecans) lesion. He has had three knee surgeries, and his first was at the age of two. As a result of this, over time, he has developed degenerative joint disease.
In addition to pain in his knees, my boxer also has secondary back and shoulder pain. This has most likely developed from years of offloading greater than the normal weight bearing load (60%) onto his front legs and holding tension along his back and neck. This type of compensatory pain is commonly seen in our veterinary patients, especially in cases where chronic compensation has had to occur. These findings are similar to those in people; it is common for a person with chronic knee pain to develop lower back pain over time.
Osteoarthritis is just one example of chronic pain. Chronic pain can come in the form of cancer pain, muscle pain, pancreatitis, high blood pressure (mainly a concern for cats), ocular (eye) pain, etc. For the purposes of this blog post, I am going to focus on musculoskeletal chronic pain.
In a case like my boxer's, there are a few initial questions to answer.
1. How do I know if my pet has pain?
It is very common for our stoic pets to "hide" this pain from us. They may still eat and drink normally. They often still get excited to go on walks. And they typically still express their excitement to see us. My boxer will run, jump and spin in the air, even without any pain medications. He will play with the other dogs and jump in the lake without hesitation. After these activities, after he has been sleeping and on bad days, he will be so stiff that he is toe touching in his back legs and offloading 80% to 90% of his weight on his front legs. He never cries out, or vocalizes, at all. He eats normally (picky eater that he is). Besides his stiffness, he does not EVER tell us he is painful.
So, what should an owner look for?
Any lameness. If your pet is not weight bearing, or off loading weight onto other limbs, there is pain.
Reluctance to go up or down stairs, hesitation or resistance to jumping, and moving slower when getting up are all also possible signs of pain. Generalized changes in behavior may be an indication that something is going on. A "stiff" appearing neck is a big one. Neck pain is fairly common and it can present very acutely... and it HURTS! Neck pain can also present with forelimb lameness, since the nerves that innervate the forelimbs originate from the cervical (neck) spine.
2. How long has the pain been present?
Is there an acute injury, or has there been a lameness present for several weeks or months? If the lameness has been present for more than two weeks, it is considered chronic.
Have the signs of pain changed over the past weeks, or months? Has it improved? Worsened? Shifted? Have other behavioral changes developed that might be associated with the presence of the pain?
These are all important questions to consider and will help your veterinarian during their assessment and treatment plan formulation.
3. Is this just a normal age related change?
This a very common question that I encounter. How do we determine between pain and what we might consider slowing down related to age? It is not an easy question to answer.
I think that this really starts with an assessment. From that assessment a treatment plan will be formulated. This plan will be tailored to your lifestyle and your pet. But the most important advice I can give you is that often times we do not know the level of pain our pets are in until we implement a pain management treatment plan. Often times once we find the right therapy program, we see that our pets were not actually showing age, but that their activity limitations were associated with just how uncomfortable they truly were!
This was absolutely true for my boxer! I knew he was painful, that was not a question. And, he was getting older - 12, no spring chicken! And I thought I was addressing his pain to the best of my ability (besides the bilateral total knee replacements recommended by an orthopedist). I had him on glucosamine supplementation, adequan, an NSAID, gabapentin and omega fatty acid supplementation. He received therapy laser, acupuncture and chiropractic sessions. He was a hydrotherapy failure, so that was off the table.
We put him in the hydrotherapy pool once, with a life vest on (this is a dog that LOVES to swim in the lake), and he completely froze and literally rolled onto his back. In the underwater treadmill, he refused to walk! No treat was good enough as he is not highly food motivated. He would just sit on the treadmill as it pushed him to the door. Absolute refusal. He really was not cooperative for his other therapy either, but at least we could get a few reps in.
Overall, I thought that his pain management program was pretty solid. And he did show significant mobility improvement. I was happy with his progress and maintenance.
Then we decided to perform steroid joint injections in his knees. It was life changing! I mean my dog was running, jumping, playing, hunting and going on LONG walks! He was acting like his five year old self. It was AMAZING! What I learned from this experience was that, we often do not know the level of pain our pets are in until we treat it with the right combination of therapy for them. I suspect that a lot of our pets with chronic pain actually slow down due to just that - the lingering pain, and much less from age related changes. Joint injections were the ticket for my boxer.
4. What can I do to alleviate and better manage my pet's pain?
Great question! The first step is getting your pet in for a veterinary consult. When going in for the consult, start thinking about the questions we discussed above. Another very important consideration is what your limitations as an owner are going to be. When developing a pain management plan, it will only be successful if there is commitment on the part of the pet owner. This means that it is important to determine if there are logistical, financial or other limitations. And it is OK to have limitations! We all have them. It is important to consider them so that we can develop a plan that has the highest probability of success.
It is also important to consider your expectations for your pet. In a perfect world, we could eliminate any source of pain 100%. This is not always going to be the case. There will be some cases, like my boxer, that will always have some level of pain. In these cases, our goal is to minimize this pain and to slow or prevent progression of the disease process contributing to it. Osteoarthritis is a great example of this. We cannot get rid of osteoarthritis (unless it is one of those rare cases where a joint replacement is an option - both surgically and financially). Therefore, our goal must be set to manage and minimize this pain.
When developing a plan for chronic pain management, we typically take a multimodal approach. This can be a bit overwhelming to take in at first. Just remember, like with my boxer, approaching the pain from more than one aspect will give us the best chance of alleviating it, or at least minimizing it. A multimodal pain management plan is one that combines many therapies to decrease pain. At Vanguard Veterinary Hospital, we utilize a combination of pharmaceutical therapy (non-steroidal anti-inflammatories and pain medications), nutraceutical therapy (supplements), manual therapy (physiotherapy and hydrotherapy) and alternative therapy (chiropractic adjustments, acupuncture and therapy laser). In some severe cases of chronic pain, we will recommend hospitalization and we will administer intravenous systemic pain medications to help "dampen" down the pain sensation. As discussed with my boxer, there are cases where we perform loco-regional pain management. The loco-regional management may be in the form of a local anesthetic injection called Traumeel, or joint injections. The joint injections may be steroid injections, stem cell injections, PRP or IRAP injections.
Like I said - so many options! Imagine the combination of options available. Each pet is different, and the recommendations for pain management is going to vary on a case by case basis. And, since our pets do not experience the same sensations from one day to the next, our treatment for them must be able to change as their needs change. And that is a great thing. It allows us to have so many different options for treatment. It allows us to alter treatment as needed. And for me, and my boxer, it has made a world of difference.
If you have a pet that you think might be experiencing chronic pain (cats not excluded!), schedule an assessment to see if there is a source of pain, and to learn what we can offer you!
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VANGUARD VETERINARY HOSPITAL
1995 Juniper Lake Rd.
West End, NC 27376
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