A Guide to Understanding Lumbar Spine Arthritis and Your Back Pain | Care Medical Center
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A Guide to Understanding Lumbar Spine Arthritis and Your Back Pain
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Georgia Arthritis and Low Back Pain ValdostaLower back pain is extremely common affecting sixty to ninety percent of the adult population. The vast majority also suffer from some degree of lumbar arthritis as a primary or contributing factor to their back pain. Lumbar spine arthritis is a degenerative condition that develops over time in response to the normal demands that are placed on the lumbar vertebrae. It can be symptomatic to varying degrees from mild to severe and is often contributing factor to disability.

The spine is composed of twenty four moving segments known as vertebrae. The vertebrae are further classified with seven cervical or neck, twelve thoracic or mid-back, and five lumbar or lower back vertebrae. The spinal vertebrae are separated by intervertebral discs, which are composed of an outer ligamentous layer called the annulus fibrosis and a central gelatinous layer called the nucleus pulposis. The collagen fibers of the annulus fibrosis anchor the disc to the vertebrae. This allows for movement between vertebrae and dispersion of weight bearing forces from one vertebra to the others below it in the spine.

The intervertebral discs often times lose their elasticity and hydration with age or as the result of injury. This loss of elasticity decreases the ability of a disc to handle the weight that it must bear. The discs become shorter which changes the position of the vertebrae and their associated connecting fibers in relation to the rest of the spine. Over time, a situation develops whereby bone lays directly on bone, causing pain and decreased ranges of motion.

Ultimately, this pattern of degeneration may result in micro-fractures and additional cartilage damage. Although the body attempts to replace that which is lost, it is often insufficient to overcome the degenerative process. As bone surface erodes, mechanical stress on the joints increase. The body’s response to this stress is the formation of new boney outgrowths called osteophytes. This process is seen often in the facet joints and end plates of the lumbar spine. If combined with compression and bulging of intervertebral discs and hypertrophy of spinal ligaments the size of the spinal canal might decrease creating a condition known as spinal stenosis. With the development of spinal stenosis, comes the risk that the spinal cord and its exiting nerves being compressed.

Symptoms are Related to Lumbar Spine Arthritis

Classic symptoms of any form of arthritis include joint pain, swelling, and stiffness. Patients with lumbar arthritis often have low back or pelvic pain. They tend to have difficulty with mobility secondary to postural changes and decreased flexibility. As with most forms of osteoarthritis, pain and stiffness is most pronounced in the morning. As movement increases over the course of the day, symptoms tend to subside. In general, if there is no evidence of nerve root compromise, pain from an arthritic spine is localized to the low back with possible dull aching referred pain in the buttocks. Patients with degenerative changes resulting in spinal stenosis may experience numbness, tingling, or weakness in the legs due to irritation of the lumbar nerve roots.

How is Lumbar Spine Arthritis Diagnosed?

A chiropractic physician is able to make the diagnosis of lumbar arthritis when the constellation of symptoms and physical exam are consistent with degenerative changes in the spine. A description of back pain for a long period of time that increases with mechanical stress may alert your doctor to the presence of lumbar arthritis. Therefore, it is important to provide your physician with detailed information about your back pain including timing, severity, and exacerbating or alleviating factors. The physical exam will focus on the range of motion within your spine, muscle strength, and reflexes within your legs. Patients with lumbar arthritis will notice pain when bending backwards because this places maximal pressure on the osteoarthritic facet joints. Likewise, patients may find that the pain decreases when bending forward because this relieves joint pressure.

An X-ray will likely be ordered to look at the bones that make up the lumbar spine. Specifically, your physician will look for new bone growth (osteophyte formation) and narrowing of the intervertebral disk space. A CT (computed topography) scan, a study more detailed than an X-ray, may be ordered to visualize more specific areas of your spine. MRI (magnetic resonance imaging) scans utilize magnetic rays to visualize soft tissue. An MRI may be helpful because it allows your chiropractic physician to better visualize the facet joints and surrounding soft tissues. Injections to anesthetize the nerves that supply the arthritic joints, also known as medial branch blocks, may be needed to confirm the diagnosis.

What Options of Treatment Are Available for Lumbar Arthritis?

Lumbar arthritis is usually responsive to conservative management. During an acute attack of low back pain, relative rest that avoids activities that aggravates the symptoms may reduce inflammation. For long term relief, lifestyle modification must be undertaken. Weight loss when appropriate will have a tremendous impact on back pain because it is the lumbar spine that bears the weight of the body. Exercise is also critical and can help reduce weight and increase muscle strength to support the lower back. You should consult your doctor before beginning any exercise or diet program. Your doctor may prescribe physical therapy. Working with a physical therapist to design a proper exercise regimen may be useful for strengthening core muscles and minimizing back pain. Therapists may utilize modalities such as ultrasound, heat, ice, and manipulation to reduce pain.

If non-invasive therapies are not effective interventional procedures may be necessary. Fluoroscopiclly guided interventional procedures such as facet joint injections and radiofrequency neurotomy are two treatment options. Facet joint injections use x-ray guidance for accurate needle placement in order to inject the diseased joints with medication such as cortisone. Radiofrequency neurotomy uses heat to ablate nerve fibers around the joint that are responsible for pain. This also uses x-ray guidance for precise electrode placement.

Our team understands that long term back pain is not only physically debilitating but emotionally exhausting. To serve our community we have built a diverse team committed to work together harmoniously to help you or your loved one recapture the quality of life they desire – pain free!

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For Your Health,

Dr. Ryan Moorman

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