Understanding Carpal Tunnel Syndrome: Causes, Symptoms, and Treatment Options
Carpal Tunnel Syndrome (CTS) is one of the most common conditions affecting the hand and wrist, impacting millions of people worldwide. It occurs when the median nerve, which runs from the forearm into the palm of the hand, becomes compressed at the wrist. This condition can lead to pain, numbness, and even weakness in the hand, affecting daily activities and quality of life.
Causes of Carpal Tunnel Syndrome
Several factors can contribute to the development of CTS. While some people may be genetically predisposed due to a smaller carpal tunnel, other common causes include:
Repetitive Hand Movements: Frequent motion, especially involving wrist flexion or gripping, such as typing, assembly line work, or using vibrating tools.
Medical Conditions: Diabetes, rheumatoid arthritis, and thyroid gland imbalance can increase the risk of nerve compression.
Pregnancy: Hormonal changes and fluid retention during pregnancy can cause swelling in the carpal tunnel.
Injury or Trauma: Fractures, sprains, or swelling can place pressure on the median nerve.
Symptoms of Carpal Tunnel Syndrome
The symptoms of CTS often begin gradually and can worsen over time if left untreated. Common signs include:
Numbness or tingling in the thumb, index, middle, or part of the ring finger
Hand weakness or a tendency to drop objects
Pain that may radiate up the arm
Discomfort that worsens at night or with repetitive use
Early diagnosis is key, as prolonged nerve compression can lead to permanent damage.
Diagnosis and Evaluation
CTS is usually diagnosed based on symptoms and physical examination. Tests may include:
Nerve Conduction Studies: Measure how well electrical signals move through the median nerve.
Electromyography (EMG): Assesses the electrical activity of muscles.
Ultrasound or MRI: To visualize soft tissue and rule out other conditions.
Treatment Options
Treatment for Carpal Tunnel Syndrome depends on the severity of the condition. Both non-surgical and surgical options are available:
Non-Surgical Treatments
Wrist Splinting: Especially useful at night to keep the wrist in a neutral position.
Activity Modification: Reducing repetitive motions or changing ergonomics at work.
Medications: Nonsteroidal anti-inflammatory drugs (NSAIDs) can reduce pain and inflammation.
Corticosteroid Injections: Can provide temporary relief by reducing swelling around the nerve.
Surgical Treatment
If symptoms persist or worsen, surgery may be recommended. Carpal tunnel release surgery involves cutting the ligament pressing on the median nerve to relieve pressure. It’s typically an outpatient procedure and has a high success rate, especially when performed by a hand and wrist specialist.
Dr. Philip Mathew is a top Private Hand and Wrist Specialist in London. He provides expert, personalized care for hand and wrist conditions.














