Spinal Injury

Author: Dr. med. vet. Gisa Löwe | Last modified: 06.02.2026
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Computed tomography (CT) in a veterinary hospital

Spinal injury
A spinal injury is a traumatic injury to the vertebrae, intervertebral discs, or spinal cord. It can cause pain, paralysis, coordination disorders, or loss of bladder/bowel control. It is an emergency because any movement can worsen neurological damage.

Spinal injuries in dogs and cats include a broad spectrum of damage that can affect the bony skeleton of the spine, the surrounding soft tissues, as well as the spinal cord and the nerves emanating from it. The spine of our pets consists of a series of vertebral bones that are connected to each other by intervertebral discs, ligaments and joints. It forms a protective channel for the sensitive spinal cord, which, as part of the central nervous system, represents the connection between the brain and the body periphery.

The spine of dogs and cats has anatomical features that distinguish it from the human one. While dogs have between 50 and 53 vertebrae depending on the breed, cats typically have 52–53 vertebrae. The spine is divided into five sections: cervical spine (7 vertebrae), thoracic spine (13 vertebrae in dogs, 13 in cats), lumbar spine (7 vertebrae in dogs, 7 in cats), sacrum (3 fused vertebrae) and caudal spine (20–23 vertebrae). Especially in cats, the extraordinary flexibility of the spine should be emphasized, which is made possible by special joint structures and gives them their characteristic agility.

Causes

A spinal injury is usually the result of a severe trauma or fall.
However, even brief, violent impacts such as a jerk on the leash or movements while playing and jumping can lead to injuries in the area of ​​the spine.
In these cases, the small joints in the area of ​​the spine and the intervertebral discs are affected more than the bones.

Supplements

Spinal injuries in dogs and cats occur through various mechanisms, with traumatic events being the most common cause. Traffic accidents are one of the main causes of serious spinal injuries, especially in free-roaming cats and unsupervised dogs. Falls from great heights, especially in cats, can lead to compression fractures of the vertebrae. The so-called “High-Rise-Syndrom” describes injury patterns in cats after falls from several stories.

In addition to external traumas, less obvious events can also lead to spinal damage. A sudden jerk on the leash can cause injuries to the cervical spine in dogs. Excessive strain when jumping or playing can lead to herniated discs, especially in chondrodystrophic breeds such as dachshunds or French bulldogs. These breeds have a genetically determined earlier degeneration of the intervertebral disc tissue, which makes them more susceptible to such injuries.

Pathological fractures due to underlying diseases such as osteoporosis, tumors or infections can also lead to spinal injuries without adequate external trauma. In older animals, degenerative changes play an increasing role, which impair the stability of the spine and make it more susceptible to injury.

Symptoms

Spinal injury in dogs and cats

Typical Symptoms:

  • Acute, severe pain, stiff back, reluctance to move
  • Unusual posture
  • If the cervical spine is damaged, the animal does not want to lift its head or bend it in a certain lateral direction.
  • Animal cannot walk or has limited ability to walk, ataxia, weakness to paralysis, the bladder and rectum can also be affected
  • Possibly incontinence, altered reflexes

Alarm signs:

  • Paralysis, loss of deep pain, rapid deterioration
  • Urinary retention or defecation disorder
  • Trauma + severe pain + neurological deficits
  • Breathing problems with high lesion

Escalation/course:

  • Hours: increasing failures possible → time factor is crucial
  • Newly occurring incontinence = escalation

Pain subsides with complete paralysis → prognostically very serious

The clinical signs of a spinal injury vary greatly depending on the location and severity of the injury. It is particularly important to distinguish between injuries that affect only the bony skeleton and those that additionally damage the spinal cord. The latter lead to neurological deficits, which can range from mild coordination disorders to complete paralysis.

In the case of injuries to the cervical spine, affected animals often show a stiff head and neck posture, avoid head movements and express pain during manipulation. Damage in the area of ​​the thoracic spine can lead to ataxia of the hind limbs, weakness or complete paraparesis. Lumbar spine injuries manifest similarly, with bladder and bowel dysfunction often occurring in addition.

A particularly alarming sign is the so-called Schiff-Deck phenomenon, in which the animal can no longer move its torso and appears as if nailed down. Deep pain in the limbs is an important prognostic factor – its absence indicates severe spinal cord damage. If the spinal cord is completely severed, spinal shock syndrome can occur, in which all reflexes below the lesion initially fail before hyperreflexia occurs.

Cats often show more subtle symptoms than dogs and can compensate for their neurological deficits better. They are often only noticed due to changes in behavior, withdrawal or aggressiveness when touching certain areas of the body.

First Aid

  1. Keep your pet calm.
  2. Do not check the mobility in the area of ​​the spine yourself and do not try to resolve any other “blockages”.
  3. Introduce your animal to a veterinarian in a timely manner.
  4. In the event of severe pain and signs of paralysis, seek veterinary attention immediately.

Diagnosis

The diagnosis of spinal injuries requires a systematic approach that begins with a thorough clinical and neurological examination. The veterinarian localizes the lesion based on the neurological deficits and pain. The exact localization is crucial for further diagnostics and therapy planning.

Imaging techniques play a central role in diagnostics. X-ray images in at least two planes serve as basic diagnostics and can show fractures, dislocations and gross misalignments of the spine. However, they are limited in the assessment of soft tissue structures such as the spinal cord itself. Computed tomography (CT) provides a more detailed representation of the bony structures and is particularly valuable in complex fractures or for surgical planning.

Magnetic resonance imaging (MRI) is the method of choice for assessing the spinal cord and surrounding soft tissue structures. It enables the visualization of edema, bleeding and compression of the spinal cord. In specialized centers, myelography can also be performed, in which contrast agent is injected into the subarachnoid space to visualize compressions of the spinal cord.

Laboratory tests mainly serve to rule out systemic diseases and for preoperative evaluation. In certain cases, analysis of the cerebrospinal fluid (CSF) can provide additional information, especially to rule out inflammatory or infectious causes.

Further veterinary measures

In addition to the bones, ligaments, intervertebral discs and nerves as well as the spinal cord are usually affected by spinal injuries.
If nerves and the spinal cord are affected, the prognosis is significantly less favorable.
In the case of spinal injuries, X-ray images are always taken in two planes. Further imaging techniques, in particular computed tomography (CT). It is the most important examination method for assessing the injury and the therapeutic measures to be derived from it.
Minor injuries can often be treated by keeping the animals calm.
In the case of severe injuries to the spine (instability, herniated disc with pressure on the spinal cord or nerves emanating from the spinal cord), appropriate surgical therapy is necessary.

Supplements

The treatment of spinal injuries depends on the type and severity of the injury and the neurological status of the patient. A basic distinction is made between conservative and surgical therapy.

Conservative therapy is used for stable injuries without or with only minor neurological impairment. It includes strict cage rest for 4–6 weeks to minimize further movements of the spine and promote healing. Pain relievers and anti-inflammatory drugs are used as an accompaniment, typically non-steroidal anti-inflammatory drugs such as carprofen or meloxicam. In the case of severe pain, opioids such as buprenorphine or methadone can be used for a short time. Muscle relaxants such as methocarbamol can be helpful for muscle spasms.

Surgical therapy is indicated for unstable fractures, progressive neurological deficits, or compression of the spinal cord. Depending on the type of injury, various surgical techniques are used: In the case of herniated discs, a hemilaminectomy or ventral slot technique is performed to remove the prolapsed material. Fractures are stabilized using various implants such as plates, screws or pins. In the case of dislocations, reduction and subsequent stabilization are performed.

In addition to medical therapy, physical rehabilitation plays a crucial role in the success of healing. This includes passive range of motion exercises, controlled active movement, massages and later targeted muscle building training. In the case of paralysis, hydrotherapy can be particularly valuable, as the water supports the body and at the same time provides resistance for muscle building.

Prognosis and aftercare

The prognosis for spinal injuries depends largely on several factors: the location and extent of the injury, the degree of neurological impairment, the time between injury and the start of treatment, and the presence of deep pain sensation. Patients with preserved deep pain sensation generally have a significantly better prognosis than those without it. With complete loss of deep pain sensation for more than 48 hours, the prognosis for functional recovery is unfavorable.

Aftercare includes close neurological monitoring to detect improvements or deteriorations early. In paralyzed patients, consistent bladder management is essential to avoid urinary tract infections. The bladder must be emptied manually on a regular basis if the animal cannot urinate on its own. To avoid pressure sores, soft, well-padded lying surfaces and regular turning of the patient are necessary.

Rehabilitation should be gradually intensified, starting with passive range of motion exercises and later active exercises under physiotherapeutic guidance. Aids such as walking aids or special wheelchairs can support mobility and improve quality of life. In the case of chronic neurological deficits, an adaptation of the home environment is necessary, for example by avoiding smooth floors or installing ramps instead of stairs.

Owner education and training is a central component of aftercare, as home care for paralyzed animals is demanding and requires patience. Regular check-ups are important to monitor the healing process and adjust therapy if necessary.

Summary

Spinal injuries in dogs and cats are complex emergencies that require quick and expert action. The injuries can range from mild bruises to severe fractures with spinal cord involvement and cause correspondingly different clinical pictures. The diagnosis is based on a thorough clinical and neurological examination as well as imaging techniques such as X-ray, CT and MRI.

The therapy depends on the type and severity of the injury and includes conservative measures such as immobilization and drug treatment or surgical interventions to decompress the spinal cord and stabilize the spine. The subsequent rehabilitation plays a crucial role in the success of the treatment and can be supported by various physiotherapeutic measures.

The prognosis depends on various factors, in particular the degree of neurological impairment and the presence of deep pain sensation. Early diagnosis and therapy improve the chances of a full or partial recovery. In the case of severe injuries with permanent neurological deficits, long-term adaptation of the housing conditions and intensive care are necessary to enable the animal to have a good quality of life.

Outlook on current research

Research in the field of spinal injuries in small animals has made significant progress in recent years. Developments in regenerative medicine, which aim to repair or replace damaged nerve tissue, are particularly promising. Stem cell therapies are the focus here, as they have the potential to promote the regeneration of nerve cells and modulate inflammatory processes. Initial clinical studies on dogs with severe spinal cord injuries have shown that transplantation of mesenchymal stem cells can lead to improved motor function.

New biomaterials are being developed that can serve as scaffold structures for growing nerve fibers. These materials are designed to mimic the natural extracellular matrix while releasing bioactive molecules that stimulate nerve growth. In combination with growth factors, they could represent a promising therapy option in the future.

In the field of surgical techniques, minimally invasive procedures are increasingly being established, which cause less tissue damage and thus shorten the rehabilitation time. 3D printing technologies enable the production of patient-specific implants that are precisely adapted to the anatomy of the individual animal.

The development of improved imaging techniques, especially functional MRI techniques, allows for a more precise assessment of spinal cord function and could enable more accurate prognostic statements in the future. The investigation of biomarkers in the blood or cerebrospinal fluid (CSF) that indicate the severity of the spinal cord injury is also an active area of research with potentially high clinical relevance.

Frequently asked questions (FAQs)

  1. Which dog breeds are particularly susceptible to spinal injuries?
    Chondrodystrophic breeds such as dachshunds, French bulldogs, Pekingese and beagles have an increased risk of herniated discs due to their genetic predisposition to premature disc degeneration.
  2. Can my animal fully recover from paralysis due to a spinal injury?
    The chances of recovery depend heavily on the severity of the injury. Animals with preserved deep pain sensation have a good chance of recovery, especially with timely treatment. If deep pain sensation is lost for more than 48 hours, the prognosis is significantly worse.
  3. How long is rehabilitation after spinal surgery?
    Rehabilitation time varies depending on the injury and surgery, but typically lasts 6–12 weeks. The first 4–6 weeks require strict immobilization, followed by a phase of increasing controlled activity.
  4. What signs indicate an emergency in the event of spinal injuries?
    Sudden paralysis, severe pain, inability to stand or walk, loss of bladder control or breathing problems are emergencies that require immediate veterinary attention.
  5. How do I properly transport an animal suspected of having a spinal injury?
    The animal should be fixed on a firm, flat surface (e.g. board or sturdy cardboard) to minimize movements of the spine. The head should be kept in a neutral position, not hyperextended or flexed.
  6. Are alternative therapies such as acupuncture effective for spinal injuries?
    Acupuncture can be helpful as a complementary therapy in pain management and rehabilitation, but does not replace conventional medical treatment. Scientific studies show positive effects on pain reduction and functional improvement.
  7. How can I prevent spinal injuries in my animal?
    Weight control, adapted exercise, use of harnesses instead of collars in predisposed breeds, avoidance of jumps from great heights and safe transport conditions in the car can reduce the risk.
  8. What aids are available for animals with permanent paralysis?
    There are specially adapted wheelchairs, walking aids, non-slip socks, orthopedic beds and incontinence aids that can improve the quality of life of paralyzed animals.

Literature

  1. Spinal trauma. Merck Manual Professional Edition. https://www.merckmanuals.com/professional/injuries_poisoning/spinal_trauma/spinal_trauma.html?qt=spinal trauma&alt=sh. Retrieved on December 27, 2018.
  2. Thomas, WB: Overview of diseases of the spine and spinal cord, 2013, https://www.msdvetmanual.com/nervous-system/diseases-of-the-spinal-column-and-cord/overview-of-diseases-of-the-spinal-column-and-cord
  3. Löwe, G. and Löwe, O. (2021). Emergencies in dogs and cats – A veterinary Guide. Kynos-Verlag. 208 pp.
  4. Jeffery ND, Levine JM, Olby NJ, Stein VM. Intervertebral disk degeneration in dogs: consequences, diagnosis, treatment, and future directions. Journal of Veterinary Internal Medicine. 2013;27(6):1318-1333.
  5. Olby N, Levine J, Harris T, et al. Long-term functional outcome of dogs with severe injuries of the thoracolumbar spinal cord: 87 cases (1996-2001). Journal of the American Veterinary Medical Association. 2021;222(6):762-769.
  6. Granger N, Carwardine D. Acute spinal cord injury: tetraplegia and paraplegia in small animals. Veterinary Clinics of North America: Small Animal Practice. 2020;50(6):1157-1168.
  7. Lewis MJ, Cohen EB, Olby NJ. Magnetic resonance imaging features of dogs with incomplete recovery after acute, severe spinal cord injury. Spinal Cord. 2018;56(2):133-141.