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Symptomatic Lumbar Canal Stenosis—A Review and Primer on Surgical Decision Making

Teaser: 

Sager Hanna MB, BCh, BAO, 1 Perry Dhaliwal MD, MPH, FRCSC,2

1Section of Neurosurgery and Section of Orthopedic Surgery, Department of Surgery, Rady Faculty of Health Sciences, University of Manitoba.
2Assistant Professor of Neurosurgery, Section of Neurosurgery, Department of Surgery, Rady Faculty of Health Sciences, University of Manitoba.

CLINICAL TOOLS

Abstract: Lumbar canal stenosis is an anatomical term used to describe narrowing of the spinal canal either congenitally or from age-related degenerative changes. It refers to a structural finding that may or may not be symptomatic. A decrease in canal diameter can lead to compression of the neural components, causing a constellation of symptoms. Family physicians should familiarize themselves with the various presentations of canal narrowing and the available diagnostic and treatment options.
Key Words: lumbar spinal stenosis, neurogenic claudication, back pain, radiculopathy.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

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Pre-test CME Quiz Post-test CME Quiz
1. Lumbar spinal stenosis is commonly caused by age-related degenerative changes involving the intervertebral discs, ligamentum flavum and facet joints.
2. Patients with lumbar spinal stenosis may present with neurogenic claudication or radiculopathy.
3. The primary care provider needs to distinguish between symptomatic lumbar spinal stenosis and other common mimics.
4. Surgical treatment is principally decompression of the neural elements with the possible addition of fusion of the affected levels.
1. Degenerative changes in the lumbar spine can lead to various symptoms such as low back pain, lumbar radiculopathy, neurogenic claudication, and cauda equina syndrome.
2. Imaging of the lumbar spine should be ordered when there is a high clinical suspicion of lumbar spinal canal stenosis based on the history and physical examination.
3. Initial management of patients presenting with lumbar canal stenosis involves non-operative modalities like pharmacological therapy, physiotherapy, lifestyle modifications, patient education and image-guided injections.
4. Surgical decompression for symptomatic lumbar spinal stenosis, with or without fusion, is generally indicated when symptoms significantly interfere with daily activity and non-operative treatment has failed after 3-6 months.
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Related Terms: Back Health, lumbar spinal stenosis, neurogenic claudication, back pain, radiculopathy

Back and Neck Pain, Pain Clinics and Interventional Pain Management in Canada

Teaser: 

Arani Kulamurugan,1 Pranjan Gandhi,2 Markian Pahuta,3 Mohammad Zarrabian,4 Daipayan Guha,5

1Michael DeGroote School of Medicine, McMaster University, Hamilton, ON.
2Michael DeGroote School of Medicine, McMaster University, Hamilton, ON.
3Department of Surgery, Division of Orthopaedics, McMaster University, Hamilton, ON.
4Department of Surgery, Division of Orthopaedics, McMaster University, Hamilton, ON.
5Department of Surgery, Division of Neurosurgery, McMaster University, Hamilton, ON.

CLINICAL TOOLS

Abstract: This paper examines the role of pain clinics in Canada, focusing on non-surgical interventions to manage cervical and lumbar degenerative pathologies. These pathologies have a substantial impact on health care and the economy. Since non-interventional management strategies are often insufficient, pain clinics can be effective in providing image-guided injections to reduce symptoms and rates of surgery. Given the challenges of access and long wait times for treatment, the expansion of pain clinics may be an interim solution to improve outcomes and alleviate the burden on Canadian healthcare.
Key Words: radiculopathy, myelopathy, back pain, neck pain, pain clinic.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

You can take quizzes without subscribing; however, your results will not be stored. Subscribers will have access to their quiz results for future reference.

Pre-test CME Quiz Post-test CME Quiz
1. Identifying the specific type of back pain guides the choice of treatment, enhancing patient outcomes.
2. Interventional strategies have demonstrated significant benefits when combined with traditional medical and physical therapies.
3. Axial pain, radiculopathy, neurogenic claudication and myelopathy have distinct symptoms and relief mechanisms, making accurate diagnosis critical.
4. Improving the distribution and accessibility of multidisciplinary pain management services will improve the outcomes for patients with chronic pain.
Differentiating Pain Syndromes: It is essential to distinguish among axial neck/back pain, radicular pain, neurogenic claudication and myelopathy to institute proper back pain management. Axial pain is worsened by physical activity, radicular pain is limb dominant, neurogenic claudication is exacerbated by prolonged standing and relieved by sitting, and myelopathy produces upper motor neuron findings in both upper and lower limbs.
Role of Pain Clinics: Offering a wide range of services, pain clinics are cost-effective and improve quality of life and functionality through interventional pain management, mental health support, and physical therapy.
Barriers to Accessing Care: Access to multidisciplinary pain treatment facilities in Canada is limited by long wait times and significant regional variability.
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Related Terms: Back Health, radiculopathy, myelopathy, back pain, neck pain, pain clinic

Cervical Disc Arthroplasty: A Movement-Sparing Surgical Option in Cervical Disc Degeneration

Teaser: 

Simon Harris, MA, MB, BChir, FRCSC,

Orthopaedic Spine Surgeon, Trillium Health Partners, Mississauga, Ontario.

CLINICAL TOOLS

Abstract: Degeneration of the cervical discs is a common problem and can cause compression of cervical nerve roots and/or the spinal cord. This in turn may lead to permanent neurological injury, disability and socioeconomical impact for the patient. Surgical management typically includes either an Anterior Cervical Decompression and Fusion (ACDF) or a Posterior Decompression with or without fusion or laminoplasty. Over the past 20 years, Cervical Disc Arthroplasty (CDA) has been an increasingly viable alternative to the “Gold Standard” ACDF, after failure of conservative management in the appropriately selected patient. Single and multilevel CDA has a growing body of evidence to support its equivalency - and even superiority - to ACDF in long-term clinical outcomes.
Key Words: Cervical degenerative disc disease; Cervical Disc Replacement; Cervical Disc Arthroplasty; Radiculopathy; Myelopathy.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

You can take quizzes without subscribing; however, your results will not be stored. Subscribers will have access to their quiz results for future reference.

Pre-test CME Quiz Post-test CME Quiz
Cervical radiculopathy symptoms include pain, paresthesia, numbness, and weakness in a recognised dermatomal and myotomal pattern.
First-line conservative treatment for cervical radiculopathy includes physiotherapy, analgesia, and non-steroidal anti-inflammatories.
Cervical disc replacement is an evidence-supported intervention for upper extremity radiculopathy that has failed conservative treatment.
Many designs of cervical disc arthroplasty are currently available for implantation in North America.
Cervical degenerative disc disease is a common radiographic finding present in both the symptomatic and asymptomatic population.
Axial neck pain, in the absence of red flag symptoms is best managed with an active physiotherapy program and pain management strategies.
Cervical disc arthroplasty is an evidence-supported surgical option to address central or foraminal cervical stenosis at the disc level.
1 or 2-level cervical disc arthroplasty has a lower re-operation rate than anterior cervical decompression and fusion.
Cervical disc arthroplasty procedure can be performed through a 4cm incision in the front of the neck.
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Related Terms: Back Health, cervical degenerative disc disease, cervical disc replacement, cervical disc arthroplasty, radiculopathy, myelopathy

The Canadian Spine Surgeon’s Perspective: Avoiding Opioid Use in Spine Patients

Teaser: 

Alexandra Stratton, MD, MSc, FRCSC,1
Dr. Darren Roffey, PhD,2
Dr. Erica Stone, MD, FRCPC,3
Mohamed M. El Koussy, BSc,4
Dr. Eugene Wai, MD,5

1Orthopaedic Spinal Surgeon, University of Ottawa Combined Adult Spinal Surgery Program, Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, ON.
2University of Ottawa Spine Program, The Ottawa Hospital, Ottawa, ON, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON.
3Anesthesiology, PGY 6 Pain Medicine, The Ottawa Hospital, Ottawa, ON.
4Clinical Research Assistant, University of Ottawa Combined Adult Spinal Surgery Program, Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, ON.
5is an orthopedic surgeon who specializes in the care of adult spinal disorders. He is also an Associate Professor in the Department of Surgery at the University of Ottawa. In addition he is the Research Chair for the Canadian Spine Society. Department of Orthopaedic Surgery, Centre Hospitalier Universitaire de Québec, Laval University, QC.

CLINICAL TOOLS

Abstract: Opioids are drugs with pain relieving properties; however, there is evidence that opioids are no more effective than non-opioid medications in treating low back pain (LBP), and opioid use results in higher adverse events and worse surgical outcomes. First line treatment should emphasize non-pharmacological modalities including education, self-care strategies, and physical rehabilitation. Non-steroidal anti-inflammatory drugs (NSAIDs) are generally considered an appropriate introduction into pharmacological treatment when deemed necessary. Non-opioid adjunct medications can be considered for specific features related to LBP such as neuropathic leg pain. Primary care providers should exhaust first and second line treatments before considering low-dose opioids, and only then in consultation with evidence-based clinical practice guidelines.
Key Words: Pharmacological; low back pain; radiculopathy; opioids; analgesia.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

You can take quizzes without subscribing; however, your results will not be stored. Subscribers will have access to their quiz results for future reference.

Pre-test CME Quiz Post-test CME Quiz
1. First line treatment for low back and radicular leg pain is non-pharmacological.
2. Second line treatment includes NSAIDs (with or without proton pump inhibitor), and muscle relaxants (3 weeks maximum), gabapentinoids and antidepressants.
3. Exhausting non-opioid analgesics includes trialing different medications within the same class and at different doses since many of these medications have wide therapeutic dose ranges.
A "start low and go slow" approach is recommended for initiating pharmacological treatments for low back and radicular leg pain, especially when using neuroleptics and antidepressants.
When treating low back pain with neuropathic leg pain, patients who fail a trial of pregabalin may tolerate gabapentin, or vice versa.
Antidepressants have a role in managing low back pain, particularly chronic, even in the absence of mood disorder.
To have access to full article that these tools were developed for, please subscribe. The cost to subscribe is $80 USD per year and you will gain full access to all the premium content on www.healthplexus.net, an educational portal, that hosts 1000s of clinical reviews, case studies, educational visual aids and more as well as within the mobile app.
Related Terms: Back Health, pharmacological, low back pain, radiculopathy, opioids, analgesia
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Current Management of Symptomatic Lumbar Disc Herniation

Teaser: 

Parham Rasoulinejad, MD, FRCSC, MSc, 1 Jennifer C. Urquhart, PhD,2 Christopher S. Bailey, MD, FRCSC, MSc, 2

1Orthopaedic Surgeon, Division of Orthopaedic Surgery, London Health Sciences Center, and Assistant Professor, Dept. of Surgery, University of Western Ontario, London, ON.
2Research Associate, Division of Orthopaedic Surgery, London Health Sciences Center, and Lawson Health Research Institute, London, ON.
3Orthopaedic Surgeon, Division of Orthopaedic Surgery, London Health Sciences Center, and Associate Professor, Dept. of Surgery, University of Western Ontario, London, ON.

CLINICAL TOOLS

Abstract: Lumbar disc herniation is a common cause of low back pain and radiculopathy (sciatica). Diagnosis is initially made based on history and physical examination and ruling out red flags, particularly surgical emergencies such as Cauda Equina Syndrome. A trial of conservative treatment consisting of physical rehabilitation and oral medication is usually successful for back dominant pain. When persistent radiculopathy indicates lumbar discectomy the diagnosis must be confirmed by imaging but, due to very high rates of asymptomatic disc herniation, imaging cannot replace clinical diagnosis. For disabling leg dominant pain discectomy results in faster recovery but has a similar long-term outcomes compared to conservative treatment.
Key Words: lumbar disc herniation, lower back pain, sciatica, radiculopathy.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

You can take quizzes without subscribing; however, your results will not be stored. Subscribers will have access to their quiz results for future reference.

Pre-test CME Quiz Post-test CME Quiz
Lumbar disc herniation is common and frequently asymptomatic.
Lumbar disc herniation may result in back pain. Much less frequently, when the adjacent nerve root is involved it can cause radiculopathy (sciatica).
Under most circumstances, the symptoms of lumbar disc herniation can be managed conservatively with physical rehabilitation and oral medications.
Red flags and surgical emergencies such as Cauda Equina Syndrome must be considered and should lead to urgent imaging and surgical referral.
Imaging, particularly MRI, has high rates of false positives and should only be used to confirm a diagnosis made based on history and physical examination.
For disabling persistent radiculopathy with good radiological correlation, surgical intervention in the form of a discectomy can be considered.
Lumbar disc herniation (LDH) is common and in most cases asymptomatic. Findings on MRI of lumbar disc herniation are not predictive of future back related disability. MRI findings should be interpreted along with history and physical exam findings to determine the appropriate diagnosis.
LDH can result in back pain and, when the adjacent nerve root is involved, radicular leg pain. The first line of treatment for back dominant pain should be education, lifestyle modification, mechanical therapy and oral medications in the form of acetaminophen, non-steroidal anti-inflammatories.
Radicular leg dominant pain may require opioids and/or epidural corticosteroid injections. The majority of patients will improve without further intervention.
For persistent symptoms of sciatica, surgical intervention can be considered. Lumbar discectomy is the most common procedure performed and has good to excellent outcomes.
To have access to full article that these tools were developed for, please subscribe. The cost to subscribe is $80 USD per year and you will gain full access to all the premium content on www.healthplexus.net, an educational portal, that hosts 1000s of clinical reviews, case studies, educational visual aids and more as well as within the mobile app.
Related Terms: Back Health, Lumbar disc herniation, low back pain, sciatica, radiculopathy

Current Concepts in the Surgical Treatment of the Degenerative Spine

Teaser: 

Dr. Safraz Mohammed1 Dr. Robert Ravinsky2 Dr. Albert Yee3

1University of Ottawa, Neurosurgery, Ottawa Civic Hospital, Ottawa, ON.
2,3University of Toronto, Division of Orthopaedics, Department of Surgery; Holland Musculoskeletal Program and Division of Orthopaedic Surgery, Sunnybrook Health Sciences Centre, Toronto, ON.

CLINICAL TOOLS

Abstract: Degenerative conditions of the spine are a major cause of disability, and represent a large economic burden on the health care system. In this review, we have described some of the most common degenerative pathologies of the lumbar spine—low back pain, spinal stenosis, degenerative spondylolisthesis, lumbar disc herniation and cauda equina syndrome—and the diagnostic approach and immediate management from the perspective of the primary care physician. We have emphasized clinical pearls seen in these conditions and specific indications for surgical referral, as well as red flags that should prompt urgent referral for life-threatening entities, such as malignancy and infection.
Key Words: degenerative spine, surgery, lumbar disc herniation, spinal stenosis, spondylolisthesis, radiculopathy.

Members of the College of Family Physicians of Canada may claim MAINPRO-M2 Credits for this unaccredited educational program.

www.cfpc.ca/Mainpro_M2

You can take quizzes without subscribing; however, your results will not be stored. Subscribers will have access to their quiz results for future reference.

Pre-test CME Quiz Post-test CME Quiz
1. Evaluate for hip and knee joint pathology, and vascular pathology, especially in older patients presenting with unilateral radiating leg symptoms.
2. Spine surgery is more successful in treating leg dominant pain symptoms than back dominant mechanical pain symptoms.
3. Screen every patient presenting with a lumbar spine complaint for concomitant cervical and thoracic stenosis, in particular looking for evidence of cord compression (i.e. myelopathy). Be suspicious in patients with bilateral leg symptoms.
Clinicians should ensure that a focused history and a thorough physical examination is performed to help place patients with low back pain into several key categories: (a) nonspecific low back pain (Pattern I or II), (b) back pain potentially associated with radiculopathy leg symptoms (Pattern III) or leg claudication from structural spinal stenosis (Pattern IV), or (c) back pain potentially associated with another specific spinal cause (i.e. red flags). The history should also include assessment of psychosocial risk factors, which predict risk for chronic disabling back pain.3
Unless there are red flag symptoms or signs, routine imaging or other diagnostic tests in patients with acute nonspecific low back pain is not required.3
Diagnostic imaging and special investigations in patients with low back pain in the presence of severe or progressive neurologic deficits or when serious underlying conditions are suspected on the basis of history and physical examination.
Surgery can be helpful for patients with leg dominant symptoms (sciatica/radiculopathy, Pattern III) or leg claudication from spinal stenosis (Pattern IV). There is a limited role for surgery for back pain dominant symptoms in the absence of specific structural correlative pathology (i.e. Pattern I or II).3
Approximately 15% of patients with lumbar spinal stenosis will have concurrent cervical or thoracic canal stenosis. One must screen for the presence of upper motor neuron signs and symptoms. Degenerative lumbar stenosis always presents without upper motor findings but may occasionally have focal root compression signs.
To have access to full article that these tools were developed for, please subscribe. The cost to subscribe is $80 USD per year and you will gain full access to all the premium content on www.healthplexus.net, an educational portal, that hosts 1000s of clinical reviews, case studies, educational visual aids and more as well as within the mobile app.
Related Terms: Back Health, Degenerative Spine, surgery, Lumbar disc herniation, spinal stenosis, Spondylolisthesis, radiculopathy

Numbness and Paresthesias in the Elderly

Numbness and Paresthesias in the Elderly

Teaser: 

Anahita Deboo, MD, Assistant Professor of Neurology, Drexel University College of Medicine, Philadelphia, PA, USA.

The evaluation of numbness and paresthesias in geriatric patients can present a particular challenge to the primary care physician. Careful sensory examination, in combination with recognition of motor and reflex involvement, will suggest a pattern that aids in neuroanatomic localisation. This article reviews the common patterns seen in polyneuropathies, focal neuropathies, plexopathies and radiculopathies. Central nervous system etiologies also are mentioned. The differential diagnosis and further evaluation of sensory disturbances in the elderly population are discussed.
Key words: paresthesias, numbness, neuropathy, radiculopathy, plexopathy.

Related Terms: Neurology-Movement Disorders, neuropathy, numbness, paresthesias, plexopathy, radiculopathy