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Facet Arthropathy
What Is Facet
Arthropathy?
Facet arthropathy, also known as facet osteoarthritis, is a type of
wear-and-tear arthritis affecting the spine. It affects the bony
protrusions, called facet joints, that connect the bones of the spine.
Symptoms include neck and back pain which can get worse with standing,
twisting, or bending.
Facet arthropathy is diagnosed using X-rays or other imaging studies.
Treatment includes over-the-counter pain relievers, prescription muscle
relaxers, exercise, and spinal manipulation. Severe cases may require
surgery.
What Are Facet Joints?
Facet joints are found along the back of the spine. They help maintain
the alignment of the spinal bones (vertebrae) and limit excessive
motion. There are 24 vertebrae that form the spine, with two facet
joints between each.
The facet joints, along with a cushioning pad called an intervertebral
disc, form a three-joint complex between each vertebra. Synovialfluid lubricates the joints so they can move easily.
Facet Arthropathy Symptoms
By definition, arthropathy refers to any type of disease affecting a
joint, including arthritis. Osteoarthritis is a specific type of
arthropathy, also known as arthrosis, which is a non-inflammatory,
degenerative type of arthritis
Pain is the main symptom of facet arthropathy. The pain is typically
worse in the morning when awakening and later in the evening, The pain
can also get worse when twisting or bending backward. Bending forward
often relieves the pain.
The symptoms can vary based on the part of the spine that is affected.
Low back pain is the most common complaint, a condition referred to as
lumbar facet arthropathy because it affects the lumbar spine of the
lower back.
Symptoms include:
- Dull or aching pain on both sides of the spine
- Radiating pain to the buttocks and legs
- Clicking sounds or "catching" sensations when moving the spine
- Pins-and-needles sensations in the hands or feet
- Muscle spasms or cramps
- Muscle weakness
What Causes Facet Arthropathy?
Facet arthropathy is a type of degenerative arthritis that causes
progressive damage to the spine. Spinal osteoarthritis (also known as
spondylosis) is the most common cause, but it can occur with a severe
form of spinal arthritis known as ankylosing spondylitis .
Arthritis in the facet joints can develop due to:
- Aging-related wear and tear
- A previous back injury
- Spinal fractures
- Torn ligaments
- Disc problems
The deterioration of facet joints can also cause bony overgrowths called
osteophytes
(bone spurs). These can cause radiating pain and restrict the range of
motion of the spine.
Pathology: The pathology of retrolisthesis
involves several anatomical and physiological changes:
- Vertebral Slippage: A backward
displacement of one vertebra relative to the vertebra below
it. The degree of slippage can be classified as mild,
moderate, or severe.
- Disc Degeneration: The intervertebral
discs may become worn or degenerate, reducing their ability
to cushion the vertebrae effectively. This degeneration can
contribute to instability and slippage.
- Facet Joint Dysfunction: The facet
joints, which help stabilize the vertebrae, may become
arthritic or misaligned, contributing to spinal instability
and backward displacement.
- Ligamentous Instability: The ligaments
supporting the spine may become lax or weakened,
contributing to the slippage and instability of the
vertebrae.
- Spinal Canal Narrowing: Retrolisthesis
can reduce the diameter of the spinal canal, leading to
spinal stenosis, which compresses the spinal cord or nerve
roots and results in pain, numbness, and other neurological
symptoms.
- Nerve Impingement: The backward
displacement can compress or pinch the nerves exiting the
spinal column, causing pain, numbness, tingling, and muscle
weakness in the affected areas.
Risk Factors for Developing Lumbar Facet Joint Arthropathy
The lumbar spine is
designed to support much of the body weight and its health is very
crucial for the proper functioning of the spinal structure. Some of the
risk factors of lumbar facet arthropathy include:
-
Body weight:
Overweight or obese individuals are more prone to lumbar facet arthropathy.
-
Age: Older people are
more prone to lumbar facet arthropathy.
-
Sex: Women outnumber
men in terms of developing lumbar facet arthropathy.
-
Heredity: Some
individuals are more prone to facet arthropathy due to their family
history or genetics.
Heredity
Some people may be prone to developing facet arthropathy due to their
genetics or have a family history of the condition. Heredity may play a
role in the breakdown or degeneration of discs in the back, which can
lead to facet arthropathy.
Other forms of osteoarthritis may occur alongside facet arthropathy.
These other types of osteoarthritis, which may affect the hip and knee,
are linked to genetics. It is possible that facet arthropathy also
carries this risk factor.
Diagnosis of Facet Arthropathy
Imaging studies are central to the diagnosis of facet arthropathy. There
are several types that not only confirm the diagnosis but also
characterize the nature and severity of your condition:
-
Bone scan: Aids in evaluating bone density and
detect active areas of inflammation in the spine
-
X-ray: which provides a plain black-and-white
image of the spinal column
-
Computed tomography (CT): which composites
multiple X-rays to create a three-dimensional image of the spinal
column
-
Magnetic resonance imaging (MRI): which uses
powerful magnetic and radio waves to visualize soft tissues such as
ligaments and cartilage
The diagnosis can be confirmed with a diagnostic block. This involves
the injection of a small amount of local anesthetic into a facet joint.
The placement of the needle is directed either with an ultrasound or a
CT scan. Facet arthroplasty is confirmed if the injection is able to
provide immediate relief.
Your healthcare provider may also want to exclude other possible causes
as part of the differential diagnosis. This includes conditions that
mimic facet arthropathy, such as:
- Herniated disc
- Psoriatic arthritis
- Reactive arthritis
- Spinal gout
- Spinal compression fracture
Treatment of Facet Arthropathy
The treatment of facet arthropathy varies based on its location and
severity. As a general rule, conservative treatments are used before
more invasive procedures are considered.
Lifestyle Changes
Initially, your healthcare provider may recommend a period of rest and
the avoidance of aggravating movements, including any activity that
involves bending or twisting. Activities that take the weight off the
facet joint, such as sitting, leaning forward, or changing positions may
help ease the pain.
You may also be advised to adjust your sleep positions to take the
pressure off facet joints. Options included curling up on your side or
lying on your back with your knees propped up with pillows.
Medications
If a diagnostic block was used, you may not need any immediate pain
medications. But as the anesthetic starts to wear off, you may be
prescribed over-the-counter or prescription pain relievers based on the
severity of your pain.
Options include:
-
Analgesics like Tylenol (acetaminophen)
-
Nonsteroidal anti-inflammatory drugs (NSAIDs)
like Advil (ibuprofen) or Aleve (naproxen)
-
Muscle relaxants like Lloresal (baclofen) for
acute back pain
-
Antidepressants like Cymbalta (duloxetine) for
chronic back pain
Physical Therapy and
Exercise
Physical therapy is a cornerstone of the treatment of lower back pain.
The treatment plan should include exercises tailored to strengthen the
core muscles and avoid stress on the spine.
Examples include:
-
Mechanical traction to help decompress the
spine
-
Knee-to-chest stretches, hugging your knees for
30 to 60 seconds
-
Aquatic therapy to alleviate pressure on the
spine while exercising
-
Walking for 10 to 20 minutes per day
Surgery and Specialist
Procedures
If conservative measures fail, your healthcare provider may recommend
specialist procedures or surgeries, such as:
-
Lumbar intra-articular injections, which
deliver an anesthetic or corticosteroid (steroid) into the spine for
longer-lasting pain relief
-
Sinuvertebral nerve ablation, which destroys
spinal nerves with a strong electrical current
-
Extracorporeal shockwave therapy (ESWT), which
delivers low- or high-energy electrical pulses to help ease pain
-
Stem cell regeneration, an experimental
procedure in which your own stem cells are harvested and injected
into damaged joints to potentially restore function
-
Facet rhizotomy, a surgical procedure used to
sever one of the nerves supplying the facet joint
-
Spinal fusion surgery, a surgery that fuses two
or more vertebrae to eliminate movement and pain in the facet joints
Prevention
Although it is not always possible to prevent facet arthropathy,
there are steps a person can take to reduce their risk of developing it.
These include:
-
Maintaining a healthy body weight. Being
overweight increases the risk of osteoarthritis and facet
arthropathy.
-
Exercising regularly. Walking, swimming, and
other low-impact activities are easy on the joints and can help keep
them moving smoothly.
-
Avoiding injuries. Accidents happen, but some
injuries can be avoided with proper precautions. A person should
wear protective gear when playing sports, use proper lifting
techniques, and avoid lifting objects that are too heavy.
-
Maintaining good posture. A person should be
mindful of keeping the back straight when sitting, standing, and
walking.
-
Quitting or not starting smoking. Smoking is
harmful to the body’s tissues and bones.
-
Eating a healthful diet. A balanced diet of
fruits, vegetables, whole grains, and lean protein contains
nutrients that the bones and joints need.
-
Trying supplements. Some people may benefit
from calcium or vitamin D supplements to keep bones healthy. People
should always discuss supplements with a doctor before taking them.
FAQ's
Can facet arthropathy lead to other
conditions?
Facet arthropathy can contribute to
the development of bone spurs and spinal stenosis.
What is the outlook for facet
arthropathy?
Those experiencing pain from facet
arthropathy usually respond well to forms of physical therapy. More
progressed stages of this condition may require minimally invasive
procedures or surgery, but pain relief is still possible.
Does facet arthropathy require
surgery?
Facet arthropathy may require surgery
if other forms of treatment or physical therapy are not successful at
alleviating lower back pain. Noninvasive or minimally-invasive
techniques can be attempted before surgery.
Can a pain doctor help alleviate
facet arthropathy?
Pain management doctors may help
alleviate pain from facet arthropathy by recommending stretches and
exercises of the lower back. In certain cases, medication and surgery
may be required.
Outlook
Unfortunately, the facet joints cannot heal once they become damaged.
This does not mean, however, that there is no chance for relief.
Many treatment options exist to help manage the pain of facet
arthropathy, including medications and physical therapy.
Working with a healthcare professional and following an
individualized treatment plan can increase the chance of leading a
healthier, more active life.
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