thoracic spondylolisthesis symptoms

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StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

StatPearls [Internet].

Spondylolisthesis.

Steven Tenny ; Christopher C. Gillis .

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Last Update: May 22, 2023 .

• Continuing Education Activity

Spondylolisthesis is a condition that occurs when one vertebral body slips with respect to the adjacent vertebral body causing radicular or mechanical symptoms or pain. It is graded based on the degree of slippage of one vertebral body on the adjacent vertebral body. Any pathological process that can weaken the supports keeping vertebral bodies aligned can allow spondylolisthesis to occur. This activity illustrates the evaluation and management of spondylolisthesis and reviews the role of the interprofessional team in improving care for patients with this condition.

• Describe the pathophysiology of spondylolisthesis.
• Review the workup of a patient with spondylolisthesis.
• Summarize the treatment options for spondylolisthesis.
• Describee the importance of collaboration and communication among the interprofessional team in encouraging weight loss in patients to reduce symptoms and increase the quality of life in those with spondylolisthesis.
• Introduction

Spondylolisthesis is the slippage of one vertebral body with respect to the adjacent vertebral body causing mechanical or radicular symptoms or pain. It can be due to congenital, acquired, or idiopathic causes. Spondylolisthesis is graded based on the degree of slippage of one vertebral body on the adjacent vertebral body. [1]

Spondylolisthesis commonly classifies as one of five major etiologies: degenerative, isthmic, traumatic, dysplastic, or pathologic. Degenerative spondylolisthesis occurs from degenerative changes in the spine without any defect in the pars interarticularis. It is usually related to the combined facet joint and disc degeneration leading to instability and forward movement of one vertebral body relative to the adjacent vertebral body. Isthmic spondylolisthesis results from defects in the pars interarticularis. The cause of isthmic spondylolisthesis is undetermined, but a possible etiology includes microtrauma in adolescence related to sports such as wrestling, football, and gymnastics, where repeated lumbar extension occurs. Traumatic spondylolisthesis occurs after fractures of the pars interarticularis or the facet joint structure and is most common after trauma. Dysplastic spondylolisthesis is congenital and secondary to variation in the orientation of the facet joints to an abnormal alignment.  In dysplastic spondylolisthesis, the facet joints are more sagittally oriented than the typical coronal orientation. Pathologic spondylolisthesis can be from systemic causes such as bone or connective tissue disorders or a focal process, including infection, neoplasm, or iatrogenic origin. Additional risk factors for spondylolisthesis include a first-degree relative with spondylolisthesis, scoliosis, or occult spina bifida at the S1 level. [1]

• Epidemiology

Spondylolisthesis most commonly occurs in the lower lumbar spine but can also occur in the cervical spine and rarely, except for trauma, in the thoracic spine. Degenerative spondylolisthesis predominately occurs in adults and is more common in females than males with increased risk in the obese. Isthmic spondylolisthesis is more common in the adolescent and young adult population but may go unrecognized until symptoms develop in adulthood. There is a higher prevalence of isthmic spondylolisthesis in males. Dysplastic spondylolisthesis is more common in the pediatric population, with females more commonly affected than males. Current estimates for prevalence are 6 to 7% for isthmic spondylolisthesis by the age of 18 years, and up to 18% of adult patients undergoing MRI of the lumbar spine. Grade I spondylolisthesis accounts for 75% of all cases. Spondylolisthesis most commonly occurs at the L5-S1 level with an anterior translation of the L5 vertebral body on the S1 vertebral body. The L4-5 level is the second most common location for spondylolisthesis. 

• Pathophysiology

Any process that can weaken the supports keeping vertebral bodies aligned can allow spondylolisthesis to occur. As one vertebra moves relative to the adjacent vertebrae, local pain can occur from mechanical motion or radicular or myelopathic pain can occur due to compression of the exiting nerve roots or spinal cord, respectively. Pediatric patients are more likely to increase spondylolisthesis grade when going through puberty. Older patients with lower grades I or II spondylolistheses are less likely to progress to higher grades over time.

• History and Physical

Patients typically have intermittent and localized low back pain for lumbar spondylolisthesis and localized neck pain for cervical spondylolisthesis. The pain is exacerbated by flexing and extending at the affected segment, as this can cause mechanic pain from motion. Pain may be exacerbated by direct palpation of the affected segment. Pain can also be radicular in nature as the exiting nerve roots become compressed due to the narrowing of nerve foramina as one vertebra slips on the adjacent vertebrae, the traversing nerve root (root to the level below) can also be impinged through associated lateral recess narrowing, disc protrusion, or central stenosis. Pain can sometimes improve in certain positions such as lying supine. This improvement is due to the instability of the spondylolisthesis that reduces with supine posture, thus relieving the pressure on the bony elements as well as opening the spinal canal or neural foramen. Other symptoms associated with lumbar spondylolisthesis include buttock pain, numbness, or weakness in the leg(s), difficulty walking, and rarely loss of bowel or bladder control.

Anteroposterior and lateral plain films, as well as lateral flexion-extension plain films, are the standard for the initial diagnosis of spondylolisthesis. One is looking for the abnormal alignment of one vertebral body to the next as well as possible motion with flexion and extension, which would indicate instability. In isthmic spondylolisthesis, there may be a pars defect, which is termed the "Scotty dog collar." The "Scotty dog collar" shows a hyperdensity where the collar would be on the cartoon dog, which represents the fracture of the pars interarticularis. Computed tomography (CT) of the spine provides the highest sensitivity and specificity for diagnosing spondylolisthesis. Spondylolisthesis can be better appreciated on sagittal reconstructions as compared to axial CT imaging. MRI of the spine can show associated soft tissue and disc abnormalities, but it is relatively more challenging to appreciate bony detail and a potential pars defect on MRI. [2] [3]

• Treatment / Management

For grade I and II spondylolisthesis, treatment typically begins with conservative therapy, including nonsteroidal anti-inflammatory drugs (NSAIDs), heat, light exercise, traction, bracing, and/or bed rest. Approximately 10% to 15% of younger patients with low-grade spondylolisthesis will fail conservative treatment and need surgical treatment. No definitive standards exist for surgical treatment. Surgical treatment includes a varying combination of decompression, fusion with or without instrumentation, or interbody fusion. Patients with instability are more likely to require operative intervention.  Some surgeons recommend a reduction of the spondylolisthesis if able as this not only decreases foraminal narrowing but also can improve spinopelvic sagittal alignment and decrease the risk for further degenerative spinal changes in the future. The reduction can be more difficult and riskier in higher grades and impacted spondylolisthesis. [4] [5] [6] [7] [8] [2] [9] [10]

• Differential Diagnosis
• Degenerative  Lumbar Disc Disease
• Lumbar Disc Problems
• Lumbosacral Disc Injuries
• Lumbosacral Discogenic Pain Syndrome
• Lumbosacral Facet Syndrome
• Lumbosacral Radiculopathy
• Lumbosacral Spine Acute Bony Injuries
• Lumbosacral Spondylosis
• Myofascial Pain in Athletes
• Pearls and Other Issues

Meyerding’s classification of spondylolisthesis is the most commonly used grading method. Its basis is on the percentage of anterior translation relative to the adjacent level. Grade I spondylolisthesis is 1 to 25% slippage, grade II is up to 50% slippage, grade III is up to 75% slippage, and grade IV is 76-100% slippage. If there is more than 100% slippage, it is known as spondyloptosis or grade V spondylolisthesis.  

Subclasses of isthmic spondylolisthesis are subtype A (stress fractures of the pars), subtype B (elongation of the pars without overt fracture), subtype C (acute fracture of the pars).

Subclasses of pathologic spondylolisthesis are subtype A (systemic causes) and subtype B (focal processes).

• Enhancing Healthcare Team Outcomes

An interprofessional team consisting of a specialty-trained orthopedic nurse, a physical therapist, and an orthopedic surgeon or neurosurgeon will provide the best outcome and long-term care of patients with degenerative spondylolisthesis. Chiropractors may also have involvement, as they may be the first to encounter the condition on X-rays. The treating clinician will decide on the management plan, and then have the other team members engaged - surgical cases with include the nursing staff in pre-, intra-, and post-operative care, and coordinating with PT for rehabilitation. In non-operative cases, the PT will keep the rest of the team informed of progress or lack thereof. The team should encourage weight loss as weight reduction may reduce symptoms and increase the quality of life. Interprofessional collaboration, as above, will drive patient outcomes to their best results. [Level 5]

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Lumbar Spine Sagittal CT of L5-S1, Grade II Spondylolisthesis Contributed by Christopher Gillis, MD, and Steven Tenny, MD

Disclosure: Steven Tenny declares no relevant financial relationships with ineligible companies.

Disclosure: Christopher Gillis declares no relevant financial relationships with ineligible companies.

This book is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits others to distribute the work, provided that the article is not altered or used commercially. You are not required to obtain permission to distribute this article, provided that you credit the author and journal.

• Cite this Page Tenny S, Gillis CC. Spondylolisthesis. [Updated 2023 May 22]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

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• Isthmic Spondylolisthesis. [StatPearls. 2024] Isthmic Spondylolisthesis. Burton MR, Dowling TJ, Mesfin FB. StatPearls. 2024 Jan
• High-grade slippage of the lumbar spine in a rat model of spondylolisthesis: effects of cyclooxygenase-2 inhibitor on its deformity. [Spine (Phila Pa 1976). 2006] High-grade slippage of the lumbar spine in a rat model of spondylolisthesis: effects of cyclooxygenase-2 inhibitor on its deformity. Komatsubara S, Sairyo K, Katoh S, Sakamaki T, Higashino K, Yasui N. Spine (Phila Pa 1976). 2006 Jul 15; 31(16):E528-34.
• [Three vertebral reduction and fixation for revision of lumbar spondylolisthesis]. [Zhongguo Gu Shang. 2014] [Three vertebral reduction and fixation for revision of lumbar spondylolisthesis]. Li CS. Zhongguo Gu Shang. 2014 Sep; 27(9):717-21.
• Review A review of the pathomechanism of forward slippage in pediatric spondylolysis: the Tokushima theory of growth plate slippage. [J Med Invest. 2015] Review A review of the pathomechanism of forward slippage in pediatric spondylolysis: the Tokushima theory of growth plate slippage. Sairyo K, Nagamachi A, Matsuura T, Higashino K, Sakai T, Suzue N, Hamada D, Takata Y, Goto T, Nishisho T, et al. J Med Invest. 2015; 62(1-2):11-8.
• Review Spondylolisthesis. [Orthop Rev (Pavia). 2022] Review Spondylolisthesis. Li N, Scofield J, Mangham P, Cooper J, Sherman W, Kaye A. Orthop Rev (Pavia). 2022; 14(4):36917. Epub 2022 Jul 27.

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Spondylolisthesis

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Spondylolisthesis is partial displacement of a bone in the lower back.

Injuries or a degenerative condition can cause this disorder.

Pain is felt in the low back and may travel down one or both legs.

The diagnosis is based on the results of imaging tests.

Treatment includes measures to relieve pain.

Symptoms of Spondylolisthesis

Mild to moderate spondylolisthesis may cause little or no pain, particularly in young people.

When pain occurs in adolescents, it is felt on only one side of the spine and may travel down a leg. The pain may accompany a fracture.

When pain occurs in adults, it is felt over a specific part of the spine and travels down both legs. In these cases, the pain results from a degenerative condition.

Pain is worsened by standing or leaning back. It can be accompanied by numbness, weakness, or both in the legs.

Diagnosis of Spondylolisthesis

Imaging tests

Treatment of Spondylolisthesis

Measures to relieve pain and stabilize the spine

Applying cold Cold therapy (cryotherapy) Professional rehabilitation therapists treat pain and inflammation. Such treatment makes movement easier and enables people to participate more fully in rehabilitation. These treatments are... read more (such as ice packs) or heat Heat therapy Professional rehabilitation therapists treat pain and inflammation. Such treatment makes movement easier and enables people to participate more fully in rehabilitation. These treatments are... read more (such as a heating pad) or using over-the-counter analgesics (such as acetaminophen and nonsteroidal anti-inflammatory drugs [NSAIDs]) may help relieve the pain. Some people may be helped by drugs that reduce nerve pain, such as gabapentin , antiseizure drugs, or certain antidepressants. If pain is severe or persists, doctors may give corticosteroids taken by mouth or injected into the epidural space (between the spine and the outer layer of tissue covering the spinal cord).

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Spondylolisthesis

Spondylolisthesis is a displacement of a vertebra in which the bone slides out of its proper position onto the bone below it. Most often, this displacement occurs following a break or fracture.

Surgery may be necessary to correct the condition if too much movement occurs and the bones begin to press on nerves.

Other complications may include:

• Chronic back pain
• Sensation changes
• Weakness of the legs
• Temporary or permanent damage of spinal nerve roots
• Loss of bladder control

When a vertebra slips out of proper alignment, discs can be damaged. To surgically correct this condition, a spinal surgeon removes the damaged disc. The slipped vertebra is then brought back into line, relieving pressure on the spinal nerve.

Types of spondylolisthesis include:

• Dysplastic spondylolisthesis , caused by a defect in part of the vertebra
• Isthmic spondylolisthesis , may be caused by repetitive trauma and is more common in athletes exposed to hyperextension motions
• Degenerative spondylolisthesis , occurs with cartilage degeneration because of arthritic changes in the joints
• Traumatic spondylolisthesis , caused by a fracture of the pedicle, lamina or facet joints as a result of direct trauma or injury to the vertebrae
• Pathologic spondylolisthesis , caused by a bone defect or abnormality, such as a tumor

Symptoms may vary from mild to severe. In some cases, there may be no symptoms at all.

Spondylolisthesis can lead to increased lordosis (also called swayback), and in later stages may result in kyphosis, or round back, as the upper spine falls off the lower.

Symptoms may include:

• Lower back pain
• Muscle tightness (tight hamstring muscle)
• Pain, numbness or tingling in the thighs and buttocks
• Tenderness in the area of the vertebra that is out of place
• Weakness in the legs
• Stiffness, causing changes in posture and gait
• A semi-kyphotic posture (leaning forward)
• A waddling gate in advanced cases
• Lower-back pain along the sciatic nerve
• Changes in bladder function

Spondylolisthesis may also produce a slipping sensation when moving into an upright position and pain when sitting and trying to stand.

Spondylolisthesis may appear in children as the result of a birth defect or sudden injury, typically occurring between the fifth bone in the lower back (lumbar vertebra) and the first bone in the sacrum (pelvis).

In adults, spondylolisthesis is the result of abnormal wear on the cartilage and bones from conditions such as arthritis , trauma from an accident or injury, or the result of a fracture, tumor or bone abnormality.

Sports that place a great deal of stress on bones may cause additional deterioration, fractures and bone disease, which may cause the bones of the spine to become weak and shift out of place.

A simple X-ray of the back will show any cracks, fractures or vertebrae slippage that are the signs of spondylolisthesis.

A CT scan or an MRI may be used to further diagnose the extent of the damage and possible treatments.

Treatment for spondylolisthesis will depend on the severity of the vertebra shift. Stretching and exercise may improve some cases as back muscles strengthen.

Non-invasive treatments include:

• Heat/Ice application
• Pain medicine (Tylenol and/or NSAIDS)
• Physical therapy
• Epidural injections

Surgery may be needed to fuse the shifted vertebrae if the patient has:

• Severe pain that does not get better with treatment
• A severe shift of a spine bone
• Weakness of muscles in a leg or both legs

Surgical process realigns the vertebrae, fixing them in place with a small rod that is attached with a pedicle screw, adding stability to the spine with or without the addition to an interbody (bone graft or cage) placed between the vertebra from the side or front.

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