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Spinal stenosis.

Spinal stenosis can be generally described as the narrowing of the spinal canal causing compression of the spinal cord. This compression most often occurs in the lumbar portion of the spine and has a clinical presentation of pain and numbness in the low back, legs and buttocks after walking or extension of the lumbar spine. The symptoms associated with lumbar spinal stenosis are usually relieved with flexion of the lower back. In addition, compression at the cervical spine has occasionally been seen in combination with lumbar spinal stenosis, with thoracic spinal stenosis occurring only rarely. Therefore, because spinal stenosis is the most prevalent preoperative diagnosis for spine surgery and affects nearly 5 of every 1000 Americans older than 50 years old, it is imperative to understand the role of spinal stenosis in generating back and leg pain. In this article an overview of the etiology, treatment, and outcomes will be presented to give a better understanding of this condition.

Aged↗

Urodynamic evaluation of patients with spinal stenosis.

Spinal stenosis, which may be congenital/developmental or acquired in origin, is a narrowing of the spinal canal, nerve root canals, or intervertebral foramina. Compression of the spinal cord or nerve roots may lead to structural neuronal damage, neuronal ischemia or edema, and axonal transport block. The most frequent symptom in patients with spinal stenosis is back pain and some have classic neurogenic claudication. We have performed urodynamic evaluations in 2 patients with combined cervical and lumbar spinal stenosis. A girl with achondroplastic dwarfism had urgency incontinence and detrusor hyperreflexia. An adult man with acquired degenerative spinal stenosis had difficulty voiding and findings compatible with the cauda equina syndrome.

Adult↗

Computed tomography of children and adolescents with suspected spinal stenosis.

Spinal stenosis in children and adolescents is a rare condition that should be considered in patients with appropriate clinical signs and symptoms. We describe and discuss four cases of spinal stenosis in children and adolescents diagnosed by CT. In all these cases, CT was beneficial at demonstrating and defining the nature and location of suspected spinal stenosis.

Adolescent↗

Understanding spinal stenosis.

Spinal stenosis is a progressive condition that represents approximately 5% of all back disease. Symptoms usually appear around age 50 to 60 and lead to increasing pain and disability as the condition progresses. Understanding the disorder, appropriate diagnostic tests, and treatment options is essential to providing appropriate nursing care and education for this patient population. Included in this article is a review of normal spine anatomy, pathology and symptoms of spinal stenosis, treatment options, appropriate nursing interventions, and patient education for the patient with spinal stenosis.

Activities of Daily Living↗

The amelioration of symptoms in cervical spinal stenosis with spinal cord deformation through specific chiropractic manipulation: a case report with long-term follow-up.

OBJECTIVE: To describe the chiropractic management of a patient with paresthesia on the entire left side of her body and magnetic resonance imaging (MRI)-documented cervical spinal cord deformation secondary to cervical spinal stenosis. CLINICAL FEATURES: A 70-year-old special education teacher had neck pain, headaches, and burning paresthesia on the entire left side of her body. These symptoms developed within hours of being injured in a side-impact motor vehicle accident. Prior to her visit, she had been misdiagnosed with a cerebrovascular accident. INTERVENTION AND OUTCOMES: Additional diagnostic studies revealed that the patient was suffering from cervical spinal stenosis with spinal cord deformation. Two manipulative technique systems (Advanced Biostructural Therapy and Atlas Coccygeal Technique) unique to the chiropractic profession and based on the theory of relief of adverse mechanical neural tension were administered to the patient. This intervention provided complete relief of the patient's complaints. The patient remained symptom-free at long-term follow-up, 1 year postaccident. CONCLUSION: There is a paucity of published reports describing the treatment of cervical spinal stenosis through manipulative methods. Existing reports of the manipulative management of cervical spondylosis suggest that traditional manual therapy is ineffective or even contraindicated. This case reports the excellent short-term and long-term response of a 70-year-old patient with MRI-documented cervical spinal stenosis and spinal cord deformation to less traditional, uniquely chiropractic manipulative techniques. This appears to be the first case (reported in the indexed literature) that describes the successful amelioration of the symptoms of cervical spinal stenosis through chiropractic manipulation. More research into the less traditional chiropractic systems of spinal manipulation should be undertaken.

Accidents, Traffic↗

[Clinical aspects of spinal stenosis].

Spinal stenosis is a common problem in the elderly population. Thanks to better knowledge it is being diagnosed more frequently and in many cases successfully treated by surgery. Clinically, patients with a lumbogluteal and in later stages bilateral sciatic pain syndrome can be differentiated from patients with monoradicular pain. Typically, the posture deteriorates with walking distance. Spinal stenosis must be differentiated from peripheral vascular disorders and compressive disc herniation. The possibilities of conservative therapy are limited and their effect is lasting only in mild cases.

Adult↗

Pamidronate treatment of the neurologic sequelae of pagetic spinal stenosis.

Spinal stenosis is a serious complication of Paget's disease of bone. Surgical decompression has a high complication rate and is not always effective. Medical therapy with bisphosphonates is established treatment in other forms of Paget's disease. To our knowledge, this is the first report of the use of intravenous pamidronate disodium as the sole treatment of lower limb weakness attributable to pagetic spinal stenosis. Our patient has been restored to independent living and has maintained his remission, with repeated treatment, for more than 5 years.

Aged↗

[Physical therapy to treat spinal stenosis].

Spinal stenosis mainly is a disease of the elderly. In most cases the lumbar spine is affected. The assessment is based on the typical constellation of symptoms (neurogenic claudication, subjective weakness) and physical findings (abnormal reflex status, loss of strength, sensory deficits, impairment in balance and coordination). The diagnosis is further supported by the radiologic proof of a stenosis of the spinal canal, the lateral recess, and the intervertebral foramina. The main targets of physical and rehabilitative medicine are the relief of pain and an improvement in the activities of daily living, which are especially impaired by reduced walking distance and difficulties in climbing stairs. These can be achieved by multimodal, conservative management: physiotherapy, occupational therapy, treatment of myofascial disorders, and oral medication/local injections. Physiotherapy aims at a stabilization of the lumbar spine in a flexed posture rather than in lumbar lordosis and at an increase of overall physical fitness. Oral analgetic and/or anti-inflammatory medical management is based on the three-step scheme of the World Health Organization, which also can be applied for low back pain. Local injections can help to control symptoms. Myofascial disorders are treated by techniques and procedures such as traditional massage.

Activities of Daily Living↗

[Physiotherapy in spinal stenosis].

Spinal stenosis mainly is a disease of the elderly patient. Mostly the lumbar spine is affected. The assessment is based on the typical constellation of symptoms (neurogenic claudication, subjective weakness) and physical findings (abnormal reflex status, loss of strength, sensory deficits). It further is supported by the radiographic proof of stenosis of the spinal canal, the lateral recess and the intervertebral foramina. The targets of physical therapy are the relief of pain and an improvement concerning the activities of daily living, which are especially impaired by reduced walking distance and difficulties in climbing stairs as well. That can be achieved by physiotherapy treatment of myofascial disorders oral medication/local injection.

Age Factors↗

The reliability of the Shuttle Walking Test, the Swiss Spinal Stenosis Questionnaire, the Oxford Spinal Stenosis Score, and the Oswestry Disability Index in the assessment of patients with lumbar spinal stenosis.

STUDY DESIGN: The Shuttle Walking Test (SWT), the Swiss Spinal Stenosis (SSS) Questionnaire, the Oxford Claudication Score (OCS), and the Oswestry Disability Index (ODI) were administered to patients with lumbar spinal stenosis and neurogenic claudication. OBJECTIVE: To determine reliability of the SWT, the SSS (Q1-12), the OCS, and the ODI in lumbar spinal stenosis assessment. SUMMARY OF BACKGROUND DATA: Reliability data for exercise tests in lumbar spinal stenosis are lacking. METHODS: To determine reliability, 32 clinic patients with lumbar spinal stenosis were assessed twice, with 1 week between assessments. Retrospective data from 17 patients assessed before surgery and 18 months after surgery for lumbar spinal stenosis were used to investigate the use of reliability in a clinical setting. RESULTS: Test-retest reliability in terms of the intraclass correlation coefficient (ICC) was 0.92 for the SWT, 0.92 for the SSS, 0.83 for the OCS and 0.89 for the ODI. The mean percentage scores were 51 for the SSS, 45 for the OCS, and 40 for the ODI. To achieve 95% certainty of change between assessments for a single patient, the SSS would need to change by 15, the OCS by 20, and the ODI by 16. The mean SWT was 150 m, with a change of 76 m required for 95% confidence. Cronbach's alpha was 0.91 for the SSS, 0.90 for the OCS, and 0.89 for the ODI. The change in ODI correlated most strongly with patient satisfaction after surgery (rho = 0.80; P < 0.001). CONCLUSIONS: Fluctuations in a patient's symptoms result in wide individual confidence intervals. Performance on the SSS, OCS, and ODI questionnaires are broadly similar, the most precise being the condition-specific SSS. The SWT gives a snapshot of physical function, which is acceptable for group analysis. Use of the SWT for individual assessment after surgery is feasible.

Aged↗

Treatment of degenerative lumbar spinal stenosis.

Spinal stenosis is a narrowing of the vertebral canal that compresses spinal nerves and may cause leg pain and difficulty walking. The symptoms of degenerative lumbar stenosis commonly occur in elderly adults and can be treated conservatively with pain-relieving agents or aggressively with decompressive surgery. Most studies of the effectiveness of treatments are poor in quality; however, there appear to be potential relationships between treatments, patient characteristics, and treatment outcomes. Studies indicate the following: (1) local anesthetic block can reduce symptoms on a short-term basis, while epidural steroids offer no additional benefit; (2) patients with moderate or severe symptoms benefit more from surgery than from conservative therapy; and (3) patients with leg pain and severely restricted walking ability regain mobility after surgery. Definitive evidence-based conclusions about the efficacy of conservative or surgical treatments await the results of well-designed clinical trials.

Evidence-Based Medicine↗

Lumbar disc herniation in patients with developmental spinal stenosis.

Lumbar spinal stenosis and lumbar disc herniation are usually regarded as two pathogenetically different conditions, but in the literature lumbar disc herniation in patients with developmental spinal stenosis has been rarely documented. In a clinical retrospective study, 42 lumbar disc herniations with developmental spinal stenosis were reported and analyzed. Discectomy was performed after laminotomy. The patients were followed-up for an average of 4.4 years (range 2-7 years). The preoperative symptoms disappeared completely in 28 patients, in 13 patients some degree of backache remained although their nerve root pain had been relieved, and in 1 patient intermittent claudication reappeared after 6 years resolution of their preoperative pain. We conclude that when developmental spinal stenosis is combined with disc herniation, discectomy through laminotomy rather than laminectomy is usually sufficient for decompression.

Adult↗

Epidemiology of spinal stenosis.

Although spinal stenosis has been recognized for nearly 190 years, no exact definition has yet been agreed on, a fact that has made incidence and prevalence studies all but impossible to interpret. The age at onset clearly correlates with the underlying pathomechanics. The disease appears to affect more men than women, except for degenerative spondylolisthesis, which affects more women. Occupation and somatotype do not appear to correlate with the development of symptomatic spinal stenosis. Although they are statistically more likely to have a smaller canal diameter, the black population does not seem to have a high incidence of symptomatic stenosis. Finally, although many syndromes have been reported to be associated with the development of spinal stenosis, the concomitant presence of degenerative changes appears to be a prerequisite to the development of symptomatic spinal stenosis.

Adult↗

Spinal stenosis vs traumatic spinal cord injury: a rehabilitation outcome comparison.

OBJECTIVE: Nontraumatic spinal cord injury (NT/SCI), which can occur secondary to spinal stenosis, has been shown to represent a significant proportion of individuals admitted for SCI rehabilitation. The objective of this study was to compare demographics and outcomes of patients with spinal stenosis-induced SCI (SS/SCI) with those with traumatic spinal cord injury (T/SCI) following inpatient rehabilitation. DESIGN: This 7-year prospective review compared 81 patients with SS/SCI and 102 patients with T/SCI admitted to an SCI rehabilitation unit with similar levels and completeness of injury. Main outcome measures included rehabilitation hospital length of stay (LOS), Functional Independence Measure (FIM) scores, FIM change, FIM efficiency, rehabilitation charges, and discharge rates to home. RESULTS: Results indicate that, when compared with the T/SCI, patients with SS/SCI had a significantly (P < .05) higher mean age (64.1 years vs 44.4 years), were more often female (39% vs 20%), and tended to present with paraplegia vs tetraplegia (69% vs 46%) and with motor incomplete SCI vs incomplete SCI (100% vs 49%). When comparing etiologies of SCI within tetraplegic and paraplegic groups, results showed that individuals with tetraplegic SS/SCI had a significantly (P < .05) shorter rehabilitation LOS (25.7 vs 35.9 days), and lower FIM change (24.5 vs 32.5) and FIM efficiency (1.0 vs 1.3); however, no statistical differences were noted for discharge FIM scores and discharge to home rates. Individuals with paraplegic SS/SCI also had significantly lower FIM change (20.2 vs 28.7); however no significant differences were noted for rehabilitation LOS, charges, FIM efficiency, or discharge-to-home rates. CONCLUSIONS: The findings indicate that patients with SS/SCI present with less severe clinical impairments (motor incomplete and paraplegia) in comparison with patients with T/SCI. Clinically similar SS/SCI groups were noted to achieve rates of functional gain and community discharge comparable with T/SCI patients. Although patients with T/SCI achieved greater overall functional improvement, patients with SS/SCI had shorter rehabilitation LOS and lower rehabilitation charges. These findings have important implications for the interdisciplinary rehabilitation process in the overall management and outcome of individuals with NT/SCI.

Adult↗

Transabdominal ultrasound measurement of the lumbar spinal canal. Its value for evaluation of lumbar spinal stenosis.

Lumbar spinal stenosis, most commonly caused by hypertrophic changes in the soft tissues of the spinal canal, is itself a clinical entity, but in the early phase it can also serve as a factor influencing general back disorder morbidity. It can be identified reliably by measuring the anteroposterior diameter of the dural sac on myelography films and/or the transverse area of the dural sac on computed tomography (CT) scans. In the present study, 76 patients with general back disorders were examined with ultrasound (US) transabdominally through the intervertebral disc. In those 50 patients (66%) in which all three of the lowest lumbar intervertebral spaces could be visualized, the measurements made by US differed by +/- 5 mm from those obtained by myelography and +/- 25 mm2 from those made by CT. In a subset of ten patients with spinal stenosis, US was able to demonstrate the small size of the dural sac, but the cause of the stenosis could not be reliably evaluated. In addition to diagnosing central spinal stenosis, ultrasonography is also well suited for screening purposes.

Abdomen↗

Therapeutic exercise in the treatment of patients with lumbar spinal stenosis.

Lumbar spinal stenosis is a condition that may cause significant pain and associated disability, especially in older patients. It is being recognized with increasing frequency as the population continues to age, and is the most common diagnosis associated with lumbar spine surgery in patients older than 65 years of age. The natural history of lumbar spinal stenosis is not necessarily one of progressive deterioration. Conservative treatment is advocated in patients with mild to moderate symptoms of lumbar spinal stenosis, and may include therapeutic exercise. The therapeutic exercise program must be prescribed with a thorough understanding of the contributing pathoanatomic and pathophysiologic factors, and should be tailored to each patient based on his or her history and physical examination. Components of the program are described in detail and include specific stretching and strengthening exercises, general conditioning exercises, and education in proper posture and body mechanics. Randomized controlled studies are needed to help clarify the indications for conservative versus surgical treatment, to determine which components of the therapeutic exercise program are the most beneficial, and to compare outcomes after conservative or surgical measures.

Aged↗

Lumbar spinal stenosis.

Lumbar spinal stenosis, the results of congenital and degenerative constriction of the neural canal and foramina leading to lumbosacral nerve root or cauda equina compression, is a common cause of disability in middle-aged and elderly patients. Advanced neuroradiologic imaging techniques have improved our ability to localize the site of nerve root entrapment in patients presenting with neurogenic claudication or painful radiculopathy. Although conservative medical management may be successful initially, surgical decompression by wide laminectomy or an intralaminar approach should be done in patients with serious or progressive pain or neurologic dysfunction. Because the early diagnosis and treatment of lumbar spinal stenosis may prevent intractable pain and the permanent neurologic sequelae of chronic nerve root entrapment, all physicians should be aware of the different neurologic presentations and the treatment options for patients with spinal stenosis.

Humans↗

The clinical syndrome associated with lumbar spinal stenosis.

Lumbar spinal stenosis is well defined in patho-anatomical terms but its clinical features are heterogeneous. We carried out a comprehensive retrospective review of the clinical features, radiological changes and outcome of 75 patients with radiologically diagnosed lumbar spinal stenosis in order to define its clinical spectrum. The presenting complaints were of weakness, numbness/tingling, radicular pain and neurogenic claudication in almost equal proportions. The commonest symptom was numbness or tingling of the legs. Neurogenic claudication eventually occurred in only 61%. Ninety-three per cent showed abnormalities on neurological examination, but these were generally mild with reduced ankle jerks being commonest. Imaging of the lumbar spine showed that moderate to severe central spinal stenosis correlated with complaints of weakness and abnormal motor power on clinical examination. Patients were reviewed at a mean of 4 years after diagnosis and 65% had undergone surgical decompression; this was not a prospective comparison of different treatment modalities. Overall, a third of patients felt that their symptoms had improved while a quarter felt that they had worsened. More than half had satisfactory neurological function at the time of review. Thirty-nine per cent of those treated surgically, and 25% of those managed conservatively, reported improved symptoms. A poorer functional status at review correlated with complaints of motor weakness and associated comorbid disease. Degenerative lumbar stenosis is a clinically heterogeneous neurological disorder of the lower limbs in the elderly with variable longer-term outcome. A high index of suspicion is required and neuroimaging should be obtained to confirm the diagnosis.

Adult↗