Persistent spinal pain syndrome (PSPS) is a term used to describe ongoing or recurring pain associated with the spine that continues despite treatment. The pain may occur in the lower back, neck, or other areas of the spine, and it can sometimes extend into the arms or legs. For some patients, symptoms persist after spinal surgery; for others, chronic spinal pain continues without a history of surgery.
Understanding persistent spinal pain syndrome can help patients recognize why spinal pain may remain difficult to manage, what conditions may contribute to ongoing symptoms, and which treatment options may improve comfort and daily function. A comprehensive evaluation is important because persistent spinal pain can have multiple causes, requiring an individualized approach to diagnosis and care.
What Is Persistent Spinal Pain Syndrome?
Persistent spinal pain syndrome is a clinical term for chronic or recurring pain related to the spine that continues despite previous treatment. The term is particularly associated with persistent pain after spinal surgery, although spinal pain can also persist in people who have not undergone an operation.
The terminology has evolved to help describe a complex problem without assuming that surgery itself is necessarily the cause. Earlier medical literature frequently used the term failed back surgery syndrome to describe ongoing pain following spinal procedures. However, that phrase can be misleading because an operation may have achieved its intended structural goal while the patient continues to experience pain for other reasons.
Persistent spinal pain syndrome may involve pain originating in spinal joints, discs, muscles, ligaments, or nerves. Symptoms can vary in severity and may interfere with walking, sleeping, working, and other everyday activities.
The condition is not a single disease with one universal cause. Instead, it describes a pattern of persistent symptoms that requires careful evaluation to identify contributing factors and appropriate treatment.
What Are the Different Types of Persistent Spinal Pain Syndrome?
Persistent spinal pain syndrome is commonly categorized according to whether a patient has undergone spinal surgery.
- Persistent spinal pain syndrome type 1: This generally refers to persistent spinal pain in someone who has not undergone spinal surgery.
- Persistent spinal pain syndrome type 2: This generally refers to persistent or recurring spinal pain following one or more spinal operations.
These classifications help distinguish a history of spinal surgery from persistent pain that develops without surgery. They do not, by themselves, explain why the pain occurs or determine which treatment will be most effective.
For example, a patient with persistent lower back pain after a lumbar fusion may have symptoms related to adjacent spinal segments, nerve irritation, or other musculoskeletal problems. Another patient with chronic back pain who has never had surgery may experience symptoms related to degenerative disc disease, spinal stenosis, or a combination of factors.
Identifying the underlying pain generators is essential to developing a targeted treatment plan.
What Causes Persistent Spinal Pain Syndrome?
Persistent spinal pain syndrome can develop for several reasons, and more than one factor may contribute to an individual patient’s symptoms. Common causes include degenerative changes in the spine, nerve compression, inflammation, and changes in how the nervous system processes pain.
Potential contributing conditions include:
- Degenerative disc disease: Age-related or other degenerative changes in spinal discs may contribute to chronic back or neck pain.
- Spinal stenosis: Narrowing of the spinal canal or nerve passageways can place pressure on nerves and cause pain, numbness, or weakness.
- Herniated discs: Displaced disc material may irritate or compress nearby nerves.
- Facet joint pain: Arthritis or irritation in the small joints connecting the vertebrae can contribute to persistent spinal discomfort.
- Sacroiliac joint dysfunction: Problems involving the joints connecting the pelvis and lower spine may produce pain in the lower back or buttocks.
- Post-surgical changes: Scar tissue, changes in spinal mechanics, or problems involving a previous surgical level may contribute to ongoing symptoms.
In some patients, the nervous system becomes more sensitive after prolonged pain. This process, sometimes called central sensitization, can amplify pain signals even when the original injury or structural problem has changed.
Because these causes can overlap, persistent spinal pain syndrome cannot be diagnosed accurately based on symptoms alone. A detailed medical history, physical examination, and appropriate diagnostic testing help guide the evaluation.
What Are the Symptoms of Persistent Spinal Pain Syndrome?
Symptoms of persistent spinal pain syndrome depend on the location and underlying cause of the pain. Some patients experience localized discomfort in the neck or lower back, while others develop radiating pain, numbness, tingling, or weakness when spinal nerves are involved.
Common symptoms may include:
- Ongoing or recurring neck or back pain
- Pain that spreads into the shoulders, arms, buttocks, or legs
- Burning, shooting, or electric-like nerve pain
- Muscle tightness, spasms, or stiffness
- Reduced flexibility or difficulty walking for extended periods
- Discomfort that interferes with sleep, work, or daily activities
Symptoms may fluctuate over time. Certain movements or positions may aggravate the pain, while others may provide temporary relief. Patients who have undergone spinal surgery may experience symptoms similar to those they had before the procedure, new symptoms, or a combination of both.
New or progressive weakness, loss of bladder or bowel control, or numbness around the groin or buttocks requires emergency medical evaluation. These symptoms can indicate serious nerve compression that needs immediate attention.
How Is Persistent Spinal Pain Syndrome Diagnosed?
Diagnosing persistent spinal pain syndrome involves identifying the source or sources of ongoing pain rather than relying on a single test. A healthcare provider typically reviews the patient’s medical history, previous treatments, surgical records when applicable, and the pattern of current symptoms.
A physical examination may assess spinal movement, muscle strength, sensation, reflexes, walking ability, and signs of nerve irritation. Imaging studies, such as magnetic resonance imaging (MRI) or computed tomography (CT), may help identify disc problems, spinal narrowing, or other structural changes when clinically indicated.
In some cases, X-rays can help assess spinal alignment, instability, or changes following surgery. Diagnostic injections may also be considered when a particular joint or nerve is suspected of contributing to the pain.
Imaging findings must be interpreted alongside symptoms and examination results because degenerative changes are common, including in people who do not experience pain. A scan alone cannot establish which structure is responsible for a patient’s symptoms.
The goal of diagnosis is to distinguish treatable structural problems from muscular, joint-related, or nerve-related pain and to identify whether additional investigation is needed.
What Treatment Options Are Available for Persistent Spinal Pain Syndrome?
Treatment for persistent spinal pain syndrome depends on the underlying cause, the patient’s overall health, previous treatments, and functional goals. Many treatment plans combine several approaches rather than relying on a single procedure.
Conservative treatments may include physical therapy, individualized exercise, movement training, and strategies to improve flexibility and strength. Medication may be appropriate for selected patients, depending on the type of pain and individual risk factors.
Minimally invasive pain management procedures may be considered when a specific pain source has been identified. Depending on the diagnosis, options may include epidural steroid injections for selected inflammatory or nerve-related conditions, facet joint injections, radiofrequency ablation for appropriate facet-mediated pain, or other targeted procedures.
Neuromodulation, including spinal cord stimulation, may be an option for carefully selected patients with certain types of chronic neuropathic pain that have not responded adequately to other treatments. The approach uses electrical stimulation to modify pain signaling. A thorough evaluation is necessary to determine whether a patient is likely to benefit.
Revision surgery may be appropriate when a clearly identifiable structural problem requires correction, but another operation is not automatically the best solution for persistent spinal pain. Treatment decisions should be based on the likely cause of symptoms, potential benefits, and risks.
Can Persistent Spinal Pain Syndrome Improve Without Additional Surgery?
Persistent spinal pain syndrome can sometimes improve without another operation. The appropriate treatment depends on whether symptoms are caused by a surgically correctable problem or by factors that can be managed through rehabilitation, medication, targeted procedures, or neuromodulation.
For patients without a clear structural problem requiring surgery, a comprehensive nonsurgical pain management plan may help reduce discomfort and improve function. Physical therapy, gradual activity progression, and targeted pain treatments may be particularly useful when matched to the patient’s diagnosis and abilities.
Improvement does not always mean that pain disappears completely. Meaningful progress may include walking farther, sleeping better, returning to valued activities, or reducing the degree to which pain interferes with daily life.
A reassessment is important when symptoms persist, change, or worsen despite treatment. The goal is to identify modifiable causes, avoid unnecessary procedures, and develop a realistic plan focused on improved function and quality of life.
When Should Patients Seek Care for Persistent Spinal Pain?
Patients should seek medical evaluation when neck or back pain continues for weeks, repeatedly returns, worsens, or interferes with everyday activities. Those who experience ongoing pain after spinal surgery should also discuss their symptoms with a qualified healthcare provider, particularly when the pain is new or differs from their previous symptoms.
Persistent spinal pain syndrome can be complex, but continued pain does not necessarily mean that no effective options remain. A thorough evaluation can help identify contributing conditions and determine whether rehabilitation, medication, minimally invasive procedures, neuromodulation, or further surgical assessment may be appropriate.
The most effective approach is individualized, with treatment guided by the likely source of pain, the patient’s medical history, and goals for mobility and daily function.
