What Is Lumbar Spinal Canal Stenosis?

Lumbar spinal canal stenosis refers to the narrowing of the spinal canal in the lower back, compressing the spinal cord and nerves. This condition, commonly seen in individuals over 50, progressively worsens with age. Timely treatment is crucial to improve mobility and maintain a good quality of life.

5 Signs You Should Know About Spinal Canal Stenosis in the Lumbar Region

Spinal canal stenosis in the lumbar region is a condition where the spinal canal narrows, compressing the spinal cord and nerves. Recognizing its signs early can help prevent complications and ensure effective treatment. Here are the five key signs to watch out for:

1. Neurogenic Claudication

One of the hallmark symptoms, neurogenic claudication, presents as:

  • Pain, numbness, or weakness in the legs after walking or standing for prolonged periods.
  • Relief of symptoms when bending forward or sitting down.
  • Difficulty performing upright activities like walking or standing.

2. Radicular Pain (Sciatica)

Sciatica is another common sign where nerve root compression leads to:

  • A sharp, shooting pain radiating from the lower back down to one or both legs.
  • Tingling, numbness, or weakness in the affected areas.
  • Pain that worsens with specific movements like bending backward.

3. Gait Abnormalities (Foot Drop)

Chronic compression of lumbar nerves may result in:

  • Inability to lift the foot or toes properly, causing difficulty walking.
  • A high-stepping gait to avoid dragging the foot.
  • Reduced mobility and challenges in daily activities like driving.

4. Loss of Sensation in the Feet

Nerve damage may cause a sensation described as:

  • Feeling as though walking on air or cotton wool.
  • Numbness in the soles of the feet, increasing the risk of falls.
  • Difficulty sensing the ground or footwear while walking.

5. Bowel or Bladder Dysfunction

In severe cases, the condition can progress to cauda equina syndrome, which includes:

  • Loss of control over bowel or bladder functions.
  • Numbness in the groin or inner thighs.
  • Weakness in both legs, requiring urgent medical attention.

Symptoms of Lumbar Spinal Canal Stenosis

Patients with lumbar stenosis may present with the following:

1. Neurogenic Claudication

  • Pain Relief with Rest: Walking or standing causes pain or numbness in the legs, relieved by sitting or bending forward.
  • Shopping Cart Sign: Bending forward or leaning on a cart provides temporary relief.
  • Difficulty in Activities: Prolonged standing or backward bending worsens symptoms.

2. Radicular Pain (Sciatica)

  • Shooting or pulling pain down one leg caused by nerve root compression.
  • Associated with tingling, numbness, or weakness in the affected limb.

3. Foot Drop

  • Difficulty lifting the foot or toes, leading to gait disturbances like high-stepping movements.

4. Loss of Sensation (Cotton Wool Feeling)

  • A sensation of walking on air or cotton wool due to reduced sensitivity in the soles of the feet.

5. Bowel and Bladder Dysfunction

  • Severe stenosis may lead to cauda equina syndrome, presenting with incontinence and numbness in the thighs or genital area. This requires immediate medical attention.

Causes and Risk Factors

  • Age-Related Degeneration: Wear and tear of spinal discs, thickening of ligaments, or bone spurs.
  • Congenital Narrowing: Some individuals are born with narrower canals.
  • Injuries: Trauma or complications from spinal surgery.
  • Other Conditions: Arthritis, infections, or tumors affecting the spine.

Diagnosis of Lumbar Canal Stenosis

  1. Physical Examination:
    Doctors assess reflexes, muscle strength, and pain patterns.
  2. Imaging Techniques:
    • MRI Scans: Identify nerve compression and canal narrowing.
    • CT Scans: Provide detailed views of bone structures.
  3. Electrodiagnostic Studies:
    Nerve conduction tests help pinpoint the exact nerve involvement.

Treatment Options

Non-Surgical Approaches

  • Physical Therapy: Focuses on strengthening core muscles and improving flexibility.
  • Medications: Anti-inflammatory drugs, muscle relaxants, or nerve pain medications.
  • Epidural Injections: Corticosteroid injections reduce inflammation and pain.
  • Lifestyle Adjustments: Weight management and activity modifications can alleviate symptoms.

Surgical Interventions

  • Decompression Surgery: Removal of bone spurs or ligaments to enlarge the spinal canal.
  • Laminectomy or Laminotomy: Partially or fully removing the lamina to relieve nerve pressure.
  • Spinal Fusion: Stabilizing the spine with metal rods or bone grafts for severe cases.

Preventive Tips for Spinal Health

  • Maintain a healthy weight to reduce stress on the spine.
  • Exercise regularly to strengthen back and abdominal muscles.
  • Avoid prolonged sitting or standing in one position.
  • Use ergonomic furniture and proper posture during activities.

    When to Consult an Expert

    If you experience persistent symptoms like leg pain, numbness, or difficulty walking, consult a specialist in “central canal of spinal cord treatment in Bangalore.” Early intervention prevents complications and ensures effective recovery.

    At Neurowellness, our team of spine specialists offers advanced treatment for lumbar spinal canal stenosis. Whether you’re seeking conservative care or surgical solutions, our experienced professionals are here to guide you. Book a consultation today and take the first step toward a pain-free life!

 

FAQs

1. What is the normal lumbar canal AP diameter?

The normal anteroposterior (AP) diameter of the lumbar canal is typically above 15 mm. A diameter below 10 mm indicates stenosis.

2. How is cervical stenosis different from lumbar stenosis?

Cervical stenosis affects the neck region, while lumbar stenosis impacts the lower back. Both conditions cause nerve compression, but their symptoms differ.

3. Can lumbar canal stenosis heal without surgery?

Mild cases often improve with physical therapy, medications, and lifestyle changes. Severe cases may require surgical intervention.

4. How is lumbar spine treatment approached in Karnataka?

Treatment includes advanced diagnostic tools, multidisciplinary care, and minimally invasive surgical options for effective outcomes.

5. What are the risks of untreated spinal stenosis?

Untreated stenosis can lead to chronic pain, loss of mobility, and in severe cases, permanent nerve damage or paralysis.

Dr. Ganesh Veerabhadraiah is a Head of Neurosurgery and Senior Neurosurgeon(Brain and Spine diseases) at Kauvery hospital -Electronic city, Bengaluru. He has over 20 years of experience, he's renowned for his expertise in complex Brain and Spine surgeries.Trained at prestigious institutions like Manipal Hospital old airport road, Nimhans, University Hospital Zurich- Switzerland, Saitama Medical University Kawagoe-Japan. Dr. Ganesh is dedicated to providing cutting-edge neurological care. Read More : https://neurowellness.in/dr-ganesh-veerabhadraiah/