HEALTH ISSUES

The Role of Chiropractic in Small Animal Medicine
By Dr Toni Lynch BVSc (Hons) Grad Dip Chiro (Animal) RMIT

I graduated in veterinary science from The University of Queensland (UQ) in 1989 and in 1991 completed a post graduate honours degree and thesis in physiology. In my veterinary career, I was involved in mainly small animal practice with some horse work

Having children in 1995, led me into part time work and I became interested in how pain affected behaviour, especially in horses. The effectiveness of osteopathy and chiropractic treatment in dealing with pain in my life, led me to the post graduate Animal Chiropractic course at RMIT. During the course, I became involved in practising chiropractic and was amazed at the results and its wide applications. I was more amazed than the clients often!

The understanding that the body is “all connected” and cranial problems drew me to study cranial osteopathy and other osteopathic therapies developed to remove restrictions around organs, nerves etc

Early 2003, I started as a visiting consultant in chiropractic and physical therapy at the UQ Small Animal Clinic and worked mostly with patients with muscular and neurological deficits not successfully treated with modern veterinary medicine. I was also able to work with post surgical rehabilitation cases

My work extended to being consulted on various cases where drugs or surgery offered no positive solution in animals at the UQ and other small animal practices in Brisbane. This year I attended a canine rehabilitation course in the USA to further my understanding of rehabilitation and have since been invited to be apart of the board of The American Veterinary Physical Rehabilitation Association. I currently have opened my own practice in Brisbane. My practice focuses on removal of restrictions in the body to restore health and complement other treatment. I am hoping to pursue studies in nutrition next year. I have also published a paper on lick granuloma in dogs in the AVP Dec 2003

The body’s ability to heal and correct continues to amaze me and hands-on manipulative therapies have made me more aware of the body and causes of disease. “It is all connected” is greatly understated

Introduction
Chiropractic therapy has a very beneficial role in the maintaining and promoting of health in small animals. Much misunderstanding surrounds this therapy, yet if applied with knowledge and proper technique, it is highly effective in the diagnosis and treatment of a number of conditions in small animal practice. Vets who have been trained in this therapy all agree it has
improved their skills and broadened their ability to treat patients

Negative experiences?
The first time I saw “chiropractic” treatment on a horse, I was distressed.The horse did not seem to benefit and I had serious doubts about the person who was doing it, whom I later learnt had learnt from some guy up north who did not seem to have any qualifications to speak
of either. However, in my own life I had a number of falls and road accidents which left me with a very painful back. Unfortunately my pain was not relieved with physiotherapy, so I turned to chiropractic for my back pain and was given significant and lasting relief very quickly. It was gentle (no one pulled my leg!) and I began to consider there must be different techniques that may be useful for the relief of pain in animals. This lead me to pursue the animal chiropractic course at RMIT University in Melbourne which is a 2 year post-graduate course for veterinarians, human chiropractors and osteopaths

Entering the course, I was not sure what to expect or even what chiropractors and osteopaths understood. I was to be amazed at the depth of knowledge in neuroanatomy and neurophysiology and wide experience the human chiropractors and osteopaths brought to the course

I originally had a very narrow perspective on the role of chiropractic therapy – it was useful for sore backs! However after the first part of the course and following units, I became aware that chiropractic therapy has a very important role in the maintaining and restoring of health in animals

What is chiropractic?

Chiropractic focuses on spinal manipulation. Spinal manipulation dates back in records to 2700 BC in the East and in the west, Hippocrates described it in his books, especially one called “On Joints”. Hippocrates described 2 techniques - one of which required a patient to be on a table under traction when the physician administered a spinal thrust. He commented this technique was on par with drug therapy and surgery. He also wrote: “Look well to the spine for the cause of disease”. Indeed chiropractic philosophy embraces this in their understanding today.
Chiropractic philosophy differs from other disciplines which use manual therapy, in its belief that the body has an” innate intelligence” or ability to heal and balance itself.We understand this as homeostasis. Homeostasis is controlled via the nervous system. Therefore chiropractic is focussed on the nervous system – predominantly the spine. Any restriction to nerve conductions will effect its target organ and the messages it relays back to the CNS.
Mild or initial restrictions to nerve conduction will cause facilitation – irregular firing – and we see this in increased muscle tone, changes in gland activity etc.
If there is prolonged restriction, there is a drop in nerve conduction and we most commonly recognise this in muscle atrophy, however all organs/glands etc can be affected.
Abnormal conduction affects every cell that has innervation – organs/skin/glands/muscles etc

Chiropractic therapy involves:

• Removing restrictions to nerve conduction (Within the body’s ability to respond)
• Allowing the body to send and receive the messages necessary for proper functioning, balance and homeostasis.
• Proper nerve function is essential for a body to respond to pathogens/trauma/surgery/normal life.

The peripheral nerves can be affected by multiple changes such as
• inflammation
• abnormal posture of the body affecting the spine
• injury to related structures of motor unit and surrounding tissues
• muscle spasm
• abnormal joint positions and function
• arthritic change around joint facets
• tumour formation in/around the motor unit
• pressure/tension of vascular structures that support the nerves

Any of these structures can be affected and all contain high density of pain receptors

Restoration of proper nerve conduction can aid restoration of health in all tissues of the body
Example:
“Lucy”, a female Cattle Dog cross (9-years-old) presented for decrease in exercise tolerance. She would lay on her bed all day and only rise to eat or toilet.
She had previous cruciate surgery on the left and right stifles and both had arthritic change. She had been on meloxicam (Metacam®) for over one year and it did not
seem to help her ability to get up and move about anymore.
On examination, her arthritic stifles would seem to be her problem. However, other findings included:
• pale mucous membranes and capillary refill time 2-3 sec
• her left chest had decrease motion
• poor femoral pulse strength
• restrictions in some of the ribs on the left chest
• restrictions in a few of the thoracic vertebrae normal motion ( especially in rotation to the right)
• restrictions in some of the lumbar vertebra and the sacro-iliac joints
• some restrictions in lower cervicals
• hips had good mobility.

After adjusting her chiropractically, as I was releasing some of the tightness in the right hind eg musculature, I noted
• improved strength in femoral pulse
• mucous membrane colour pink and normal
• capillary refill time 1 sec
• good motion of the chest.

Nerve function

Target organ cannot receive/send normal messages
(consider : blood vessels/lymphatics/skin/muscles/organs)

decrease in ability for target organ to function

Body compensates to try to maintain homeostasis

The owner reported that over the next few days the membrane colour remained the same, however bloods were taken which showed a mild regenerative anemia and an abdominal ultrasound was performed to check the spleen with no notable problems.
The dog over the next 2 weeks proceeded to be more mobile, going for walks it had not previously done for many months and even able to climb stairs it had not even attempted for over a year and it was not on Metacam (due to concern that the anaemia may be caused from prolonged Metacam use).

Was this change purely because of changes from adjusting the hind limb issues? Or the changes in the vascular response and improved chest motion improve circulation?
THE BODY IS ALL CONNECTED – ONE AREA INFLUENCES ANOTHER
How does a trained chiropractor restore function to nerves? Diagnosis is the key.
I will discuss my approach to cases.

A. DISTANT EXAMINATION
Behaviour
Gait – a triangle assessment/backing/circles
Asymmetry of body and gait – noting kyphosis/lordosis/muscle asymmetry etc
B. CLOSE EXAMINATION
Vet check
• Muscle palpation – tone/heat/cold /atrophy/ spasms/trigger points
• Examination of the spine – motion palpation – heat/cold/muscle spasms etc
• Neurological examination – as indicated
• Radiography (as indicated)
• Palpation is a key source of information for a trained chiropractor.The feel of tissues gives a very good indication of what may be occurring.

Motion of the joint facets and the “end feel” of this motion gives a good indication of type of restrictions in the area.
This palpation together with all other observations and tests will then aid diagnosis and choice of treatment. (NB My palpation skills underwent a great improvement as a result of learning these skills and improved my vet examination dramatically).

Techniques
There are multiple forms of chiropractic technique (over 117 systems of technique). Not all chiropractors will use the same techniques.
• Choice of technique will depend on training, preference and diagnosis and patient.
• Some techniques are quite passive and others more forceful – knowledge is necessary to know the application of various techniques.
• Age of the animal/condition/pain level etc will influence the choice of the technique greatly.
Secondary problems in compensated areas Target organ weakened

Chiropractic adjustments require in-depth training (the chiropractic undergraduate course is 5 years full time!) and experience is necessary to help in treatment decisions.
At RMIT, most of the technique taught is
• short lever (work over the restriction)
• low force (we don’t jam things back in place!)
• high velocity
• specific
• thrust/hold/recoil.

Multiple other techniques are taught which are also highly specific but not aggressive.
In developing techniques for my use, most owners comment that it seemed so gentle and painless. I do not crank necks around etc and I have had many owners who have had
experience with other manual therapy practitioners say“I could not believe the results when you seemed to not be doing much – it all seemed so gentle”.

Contraindications
There are a few contraindications to chiropractic thrust techniques:
• Tumours – eg multiple myeloma/osteosarcoma
• Acute fractures
• Hypermobility of the joint
• Severe sprains
• Unstable spondylolisthesis
• Severe disc lesions

Therefore there are many conditions for which chiropractic therapy is beneficial.
Conditions Aided by Chiropractic Technique
1. PAIN
• multiple techniques aid the reduction of pain all over the body
2. MUSCULOSKELETAL CONDITIONS
• Arthritis
• Imbalance in musculature – from injury/irritated nerves
• Muscle atrophy
• Muscle spasm – tight tendons eg superficial digital flexors
• Cruciate treatment
• Old fractures and imbalance in the body
• Abnormal gaits
See Magnum
3. NEUROLOGICAL CONDITIONS
• pain along spine
• disc compression
• signs of abnormal nervous function
4. URINARY INCONTINENCE
Pudental and parasympathetic nerves to bladder – have had some great success with dogs restricted around the L-S area.
See pictures of Natasha
5. SKIN — trophic changes to skin
• Skin has a very high concentration of nerves – don’t overlook
• Tightness around skin can decrease blood supply and metabolism and inflammatory response can be influenced. See pictures of Holly
• Lick granulomas – 9/10 cases of lick granuloma I have seen have restrictions around the peripheral nerve root.These responded well to chiropractic treatment. See Rosie
• Note changes in coat colour/oiliness/dullness etc – these may indicate poor nerve conduction.
See pictures of Holly and Jelani
6. DIGESTION PROBLEMS
• Noted occipital restrictions with intermittent/difficult to diagnose vomiting (consider the Vagus nerve) and improvement after adjustment.
• Pain around the T10-13 area associated with gut problems (liver/intestines etc)
7. BEHAVIOURAL PROBLEMS
• PAIN – undiagnosed pain can be a source of sudden poor/aggressive behaviours – numerous
animals treated chiropractically have improved their behaviour and obedience.
8. DRY EYE
Consider the sympathetic pathway from the thoracics to the eye/lacrimal gland.

Every day benefits in veterinary practice
• Post surgically ... improved healing of wounds/faster recovery by improving circulation/nerve function to soft tissue/organs/muscles etc
• Improving function of circulation for better delivery of systemic drugs to target site
• Improving chest motion for respiratory and heart conditions
• Aid digestive problems
• Aiding skin treatment
• Improving immune function

Any Organ System That Is Innervated Can Be Helped With Chiropractic Therapy

Vets And Rehabilitation
Veterinarians interested in rehabilitation are limited in formal training in Australia. The Animal Physiotherapy course at UQ Gatton is only open to graduates of a human physiotherapy course. Veterinarians are not eligible unless they also have a human physiotherapy degree. Chiropractic therapy offers very useful training in rehabilitation.
Recently I spent six weeks in the USA completing a course in canine rehabilitation and visiting various rehabilitation practices.The diagnostic and treatment skills gained from learning chiropractic therapy were commented on as being very effective and highly developed by various practitioners.

Sounds Great – Where Is The Proof?
Evidence based medicine has made an impact on chiropractic therapy. In the last 30 years there has been much research into how and why chiropractic manipulation techniques work. Comparisons have been done with other therapies as well.
Chiropractic studies have led the way in understanding spinal manipulation.
There are so many articles available – a good concise review can be found in the textbook Principles and Practice of Chiropractic edited by Halderman, Degenaise et al ISBN 0071 375 341. Alternatively the web and databases like Medline have numerous articles to review.
Worthy of Great Consideration Despite the scepticism by modern medicine, my daily practice of chiropractic technique has influenced me deeply.The results are amazing and so rewarding.
I solely practice chiropractic, osteopathic and manual therapy four days a week in my veterinary practice. I would not have moved into this area if the results were not significant.
From October 2004 to March 2005, I had been asking my clients to fill in a questionnaire on the return visit as to whether their animal had improved/not changed/ became worse after therapy.Two animals showed no improvement on the first treatment. No animals became worse from chiropractic treatment and all other animals improved.This data has yet to be published, however, it was so heartening to see that this therapy has a significant role to offer animal health and rehabilitation.
Chiropractic therapy practised by trained practitioners is very beneficial and worthwhile to offer all animals in need of improved health.


For more information on animal chiropractic and trained practitioners, the Australian Veterinary
Chiropractic Association can be contacted on the web: www.avca.com.au
Ref. Post Graduate Foundation in Veterinary Science of the University of Sydney Perspective 55, Mailing 241 23

CASE STUDIES
CANINE CASES
Golden Lab – “Holly”
Holly’s leg before treatment Holly’s leg after treatment Holly was brought to me for the skin lesion on her right hock.The lesion had received various topical treatments including antibiotic ointments and antifungals. On examination the lesion was clean and no obvious infection, however the owners were told a biopsy was needed to diagnose the problem and they were
reluctant to do this.They sought an alternative opinion.
On examination Holly’s sacrum was rotated and the hamstring on the right side was very tight.There were other pelvic and lumbar restrictions.The gastrocnemius was very tight too and I wondered if there was a decrease in nerve and blood supply to this region and
that was delaying any healing.
I adjusted Holly and immediately the hamstrings became less tight. I also stretched her hind leg muscles.The owners were encouraged to stretch her too which was
done occasionally over the next three weeks.
I visited her four weeks later to take this last photo.
Please note the changes in the whole coat and skin – the trophic changes were amazing.

“Natasha” – Incontinence
Natasha sitting before beginning treatment.
Natasha sitting after her last treatment. Her body is now almost straight compared to the first photo. Owner reports she’s now jumping into the car and standing on her hind
legs etc – behaviour not exhibited prior to treatment.
Natasha was a 4-year-old Irish Wolf hound with incontinence. She had been incontinent since 3-4 months old – spayed around 8 weeks old. She was unresponsive to Stiboestrol® and only mild improvement on ephedrine. Her own chiropractor had adjusted her initially with some success and then over the next three treatments showed no improvement.
She had a thorough work-up at the University of Queensland Small Animal Clinic as a young dog. She suffered repeated urinary tract infections and often very low specific gravity (SG) noted. A pelvic bladder was noted.
On my examination I noted multiple body imbalances especially in the pelvis and sacrum. She could not sit straight and walked with an awkward gait – mild short stride L hind. Abdominally the bladder palpated more on the right and the caudal abdominal contents were more
obvious on the right. I palpated adhesions in dorsalmiddle caudal abdomen.
Natasha was adjusted and I worked on the restrictions in the abdomen.
In short, after the first treatment there was improvement in the incontinence and this continued.
Natasha has been continent for over 12 months without medication and has not had repeated UTIs. After treatment her SG was consistently higher than previously.
NB Natasha is not the only incontinent dog I have treated with success using chiropractic and osteopathic manipulations.

“Rosie” – Lick Granuloma
Rosie’s lick granuloma resolved after one treatment. Rosie had an acute lick granuloma on the left chest wall. The lesion was larger than a 20 cent piece. She was very persistent in the licking and had to be restrained from licking to examine the lesion.There was hyperaesthesia up the thoracic wall and restrictions in motion of T4-5. After adjustment, she stopped licking
immediately. No other treatment was given – not even cleaning the wound with water.There was total healing and no licking behaviour was seen again (even up to
two years after the problem).
I have treated many dogs with chronic lick granulomas that have restrictions around the nerve that serve the dermatome in which the lick granuloma is seen.

Back Pain – “Beau”
Beau before treatment. Beau’s best stand before treatment. Beau after treatment.
Beau standing after treatment
Beau had severe pain in the lumbar region of the spine.
As seen in the photos, Beau could not stand straight or sit straight. Adjustments were made to the spine and immediately Beau could stand and sit straight. After another treatment, Beau did not show any symptoms of pain for over a year.

Neck Pain – “Rosie”
Rosie’s uneven ilia.
Rosie able to turn neck post treatment.

Rosie had neck pain (especially on lateral flexion to the left) and radiographs revealed a degenerated disc. She was prescribed Rimadyl® and had needed Rimadyl® continually.When I examined Rosie (11 months after initial diagnosis of neck lesion), she was severely
restricted in her lower cervicals and after the first treatment she had full range of motion of her neck (see photo).
Rosie has not been on any medication for her neck for two years (since treatment) and has maintained full range of motion of neck.
I have treated many back and neck pain dogs with chiropractic and osteopathic therapy. Many of the neck pain dogs have root signature and often nerve deficits and even these have responded very well.

Anal Glands – “Jelani”
“Jelani”
Jelani’s right hind skin prior to treatment
Jelani post treatment
Jelani was presented for gait problems but he had repeated anal gland infections (every 2-3 months back at the vet) and also a strange skin lesion pattern on right hind.
On examination there were sacral and pelvic restrictions especially on the right.After adjustments the skin lesions disappeared and Jelani has not had a repeat of anal gland problems in over two years since treatment.
How is this possible? I considered the nerve function of the anal glands but also the muscles involved in squatting and compressing the glands – chiropractic treatment helped the function of both.

“Magnum” – severe arthritis in elbow
Magnum on first treatment – note the angle on the left elbow
and the hind leg stance.
Magnum two treatments later – note the elbow and the hind legs.
Magnum was referred for treatment for stumbling and knuckling on left fore. He was having difficulty getting up and was lying around most of the time. His gait was very stiff and uneven in hind. His left elbow had severe osteoarthritis and his flexion of the elbow was around 110º; extension around 165º. Had been treated conventionally with NSAID, Cartrophen® and glucosamine. He was unresponsive to accupuncture. Other issues included spondylosis in the lumbar and thoracics and numerous vertebral restrictions.
Chiropractic therapy was used on the spine and osteopathic techniques were used on the elbow. After the first treatment, Magnum ceased knuckling on the left fore and was able to step up and down one stair without stumbling (he would fall down if doing this before treatment).
Magnum flexing elbow
Exercises and passive range of motion exercises were given to help maintain Magnum. He received a treatment once a month to help keep him mobile.The elbow joint itself improved dramatically in its range of motion and the fluid feel of the joint increased.

Molly – Left hip O-A
Molly was lame in the right hind.This leg had patella surgery a couple of years previously with no rehabilitation work done. On the radiographs the severely degenerated hip is actually her left hip – not the right.
Her difficulties were mostly soft tissue; however there were spinal restrictions due to the length of compromise and her spondylosis.
Molly could not sit with her right hind tucked up before treatment.After 2 treatments, Molly could sit more comfortably and her lameness was significantly improved.
After 4 treatments Molly's owner was so pleased with the results she elected to exercise her at home and no longer came for treatment.
Molly, sitting well post treatment.

I feel good! Typical reaction of dogs after chiropractic is to give their body a really good shake.

FELINE CASES:
“Karla” – Foreleg Lameness
Cat able to sit after treatment
Chocolate Burmese 4-year-old Desexed Female presented 1/7/03 lame in left fore; restriction in
cervical 7-thoracic 1 on left; unable to laterally flex neck to left; triceps in spasm; adjustment of (c7-t1) vertebra – immediate relaxation of triceps; after treatment in consult room – inconsistent lameness.
15/7/03 much improved – walking without limp/lameness.
No further report of lameness to date.

“Remington” – plucking hair from side
Burmese Blue 16-year-old female desexed.
7/8/03 plucking hair from right side of body for a week.
8/8/03 overnight progressed to removing large lumps of fur from right chest and abdomen.
Exam – thickened around Thoracic 12-11 vertebra on right at rib joint and reduced mobility of chest wall; right hind decrease in stride and mild loss of muscle bulk in right hind.
Previous Xrays revealed extensive spondylosis in thoracics and lumbars.
Spine was treated with modified chiro adjustments and some fascial work to help release the chest.
12/8/03 – plucked hair once since last treatment and very mild; chest motion improved.
Treated again and no plucking seen again till 11/03 and this was after a cat fight.

N.B. Another cat (“Millie”) I treated had a lick granuloma over its right ribs 11-12-13 that had
developed one month after a hit by car (HBC) accident.
It had received various treatments over the following two years with no resolution.The licking was incessant and the area licked was now hairless and fibrotic. On examination there was considerable restriction in the rib heads and fascial restriction along the ribs.After working
on these restrictions both chiropractically and osteopathically, the cat gradually stopped licking over the next three weeks and ceased licking three weeks after the initial treatment. I have seen this cat for another reason but the owner reported no further licking of this
area more than 12 months post treatment.

 

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