Herniated disc cases are on the rise and showing a trend of affecting younger people. Currently, the condition is most commonly seen in people aged 30–50 years. Typical symptoms include numbness in the limbs, neck and shoulder pain, or lower back pain. The pain may radiate to the arms, hands, fingers, buttocks, thighs, lower legs, or feet. So, what are the treatment options for herniated discs? When should surgery be considered?
► What Is A Herniated Disc?
The spine, extending from the base of the occipital bone to the coccyx, consists of vertebrae, intervertebral discs and a system of ligaments. Intervertebral discs are located between the vertebrae. They have an outer layer called a fibrous ring (annulus fibrosus) and a gel-like core (nucleus pulposus). These structures provide support, elasticity and flexibility, enabling movements such as bending, arching, rotating and leaning. The discs are typically stable; however, if they suffer from injury, displacement, slippage or damage, the fibrous ring might wear down and tear, or the nucleus pulposus might leak out. This condition is referred to as a herniated disc.
►Causes and Risk Factors of Herniated Discs
The most at-risk group for herniated discs is individuals aged 30 to 50, with males having twice the risk of suffering from it as women. Other factors may include:
Sitting in the same posture for an extended period of time
Overweight
Lifting heavy objects
Repetitive movements such as twisting or rotating the torso, usually seen in certain works, sports or hobbies.
Genetic predisposition
As the body enters the aging process, the outer fibous ring of the disc becomes fibrotic, whilethe nucleus populsus inside may lose hydration and elasticity. With the impact and pressure from body weight, the fibours ring may tear, allowing the mater inside to escape, leading to nerves and spinal cord compression.
►Symptoms of Herniated Disc
1. Lumbar Herniated Disc
Herniated discs in the back commonly result in lower back pain. It may radiate to the buttocks, thighs, legs, and sometimes feet. Other signs and symptoms include:
Back pain
Tingling or numbness in the lower limbs
Muscle weakness in severe cases
2. Cervical Herniated Disc
Herniated discs in the cervical spine may manifest the following symptoms:
Pain between the shoulder blades
Radiating pain to the shoulders, arms, sometimes hands, and fingers
Neck pain, particularly at the back or on the sides of the neck
Increasing pain with neck bending forward or rotating
Paresthesia or numbness in the upper arms
►Serious Complications of Herniated Disc
Herniated disc complications may increase the risk of getting chronic cervical, thoracic, or lumbar pain. In untreated cases of herniated discs, severe nerve compression can result in prolonged nerve damage. Herniation can lead to loss of mobility function, and permanent disability in not treated promptly, especially with progressive condition.
►Diagnostic Methods
During a clinical examination, the doctor will assess pain levels, muscle reflexes, sensation, and muscle strength, as well as order several other tests to evaluate the condition:
Magnetic Resonance Imaging (MRI): The most accurate and widely used diagnostic method to determine the location, shape, number of affected spinal levels, and degree of nerve compression caused by the herniated disc.
X-ray: Helps identify spinal conditions such as degeneration, vertebral compression, slippage, or foraminal stenosis, etc.
Computed Tomography (CT scan): Provides detailed images of the spinal structure and is an alternative for patients who cannot undergo an MRI.
Electromyography (EMG): Measures the electrical activity of muscles and the nerves controlling them, helping diagnose muscle dysfunction and identifying which nerves are affected by the herniated disc.
► Treatment for herniated discs
Medication: The doctor may prescribe painkillers, anti-inflammatory drugs, muscle relaxants, etc.
Physical therapy: The physical therapist will guide patients through exercises to reduce pressure on the nerves, relax tight muscles and improve circulation.
Selective root block injection: A medicine will be injected to the epidural space under C-arm guidance in an operation room. The injection helps reduce swelling and nerve inflammation as a result of disc hernia, promoting faster recovery and improved mobility.
Surgery: The decision to proceed with herniated disc surgery will depend on the severity of the injury, location, complication as well as its impact on patient’s mobility, work and daily activities.
Patients should consider surgery if they experience:
No improvement after 6-8 weeks of medical treatment.
Sudden pain in the herniated area, accompanied by severe pain that persists despite various conservative treatments.
Loss of bladder control, also known as Cauda Equina Syndrome (CES) - a condition where the bundle of nerves at the base of the spine is compressed, affecting movement, bladder, rectum function or sensation to the lower limbs.
►Post-treatment Care
After surgery, doctors will provide detailed post-operative instructions and may prescribe pain medication. They will also advise patients on when they can resume daily activities such as working, driving, or exercising.
Some patients may experience discomfort during physical therapy or while returning to regular activities after surgery.
►Prevention of Herniated Discs
Maintain proper posture when lifting heavy objects: Avoid bending at the waist; instead, bend at the knees while keeping your back straight. Use the leg muscles to support the weight.
Keep a healthy weight: Excess weight places pressure on the spine.
Maintain correct spinal posture in daily activities: Proper posture when walking, sitting, standing, and sleeping reduces stress on the spine.
Avoid staying in one position for too long: Changing positions frequently like standing up and stretching can help relieve muscle tension after prolonged sitting.
Avoid wearing high heels: High heels can increase muscle strain, spinal pressure, and the risk of disc herniation.
Exercise regularly: Focus on strengthening the back and abdominal muscles to support the spine and enhance joint flexibility.
Avoid smoking: Smoking can weaken spinal discs, making them more vulnerable to damage and herniation.
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