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Carpal Tunnel Release Surgery

The carpal tunnel is a narrow passageway on the palm side of your wrist. Small wrist bones known as carpals form the bottom and sides of your carpal tunnel and a strong band of connecting tissue, known as the transverse carpal ligament, covers the top of the carpal tunnel.

The carpel tunnel houses the flexor tendons, that allow you to bend your fingers, and the median nerve that provides sensation to most of your fingers and hand.

Special tissues known as synovium surround and lubricate the flexor tendons in your wrist, allowing smooth movement of the fingers. Carpal Tunnel Syndrome occurs when the synovium swells narrowing the limited space within the tunnel and pinches the median nerve over time. The transverse carpal ligament can also become tight narrowing the carpal tunnel space and putting pressure on the median nerve.

Signs & Symptoms

Some of the common symptoms associated with Carpal Tunnel Syndrome include

  • Numbness and tingling in the thumb, index, and middle fingers
  • Pain and burning in the hand and wrist that may radiate up the arm to the elbow
  • Decreased sensation and weakness in the hand with diminished grip strength
  • Worsening of symptoms at night

Causes

The following factors have been known to increase a person’s risk of developing carpal tunnel syndrome:

  • Repetitive Motion: performing heavy, repetitive hand and wrist movements with prolonged gripping at work or play
  • Congenital: Some people are born with narrower carpal tunnel canals.
  • Trauma: Injury to the wrist such as fractures or sprains.
  • Hormonal Changes: Pregnancy, menopause, birth control pills or hormone pills are risk factors as they alter the levels of hormone in the body.
  • Medical Conditions: Conditions such as hypothyroidism, rheumatoid arthritis, diabetes, obesity, gout, overactive pituitary gland, or the presence of a cyst or tumor extending to the carpal tunnel

Diagnosis

Your doctor diagnoses carpel tunnel syndrome by performing a detailed medical history and physical examination. Further tests may be ordered including an X-ray to view your wrist bones; blood tests to rule out underlying medical conditions such as diabetes, arthritis and thyroid problems, and electrodiagnostic testing to assess the speed and degree of electrical activity in your nerves and muscles.

Treatment

Carpel tunnel syndrome can be treated with conservative measures or surgical intervention. Conservative treatment options may include treating any underlying medical conditions, such as diabetes and arthritis. Your hand and wrist may be immobilized with a splint or wrist brace for 4 to 6 weeks. Ice packs may be recommended to keep down any swelling. You may be advised to avoid activities that tend to bring on the symptoms. Medication and steroid injections may be used to treat pain and swelling. You may be referred to therapy to be taught strengthening and stretching exercises.

When conservative treatment options are not effective, surgery may be recommended.

Surgical Procedure

In endoscopic surgery a thin, flexible tube with a camera (endoscope) attached is to its end is employed. In single-portal technique a small incision is made in the wrist while in two-portal technique two incisions are made, one each at the wrist and palm. The endoscope is inserted through the small incision and helps the doctor visualize the internal structures at the wrist such as the transverse carpal ligament avoiding the need for a large incision.

When the ligament is located, a tiny cutting tool is employed to release the ligament. In the single-portal technique, a single small tube contains both the camera and the cutting tool, whereas in two-portal technique the camera and cutting tool are inserted through different incisions. After insertion of the cutting tools through the respective incisions, the transverse carpal ligament is cut. This releases the pressure on the median nerve and alleviates the symptoms of carpal tunnel syndrome.

The small incisions are closed with stitches. The ligament will heal with the development of scar tissue around the cut ends.

Post-operative care

Patient having carpal tunnel release surgery can be discharged home the same day.

Your surgeon will suggest certain post-operative procedures for a better recovery and to avoid complications.

  • Elevate the hand above heart level to reduce swelling
  • A splint may be worn
  • Ice packs to the surgical area to reduce swelling
  • Keep the surgical incision clean and dry; cover the area with plastic wrap when bathing or showering
  • Physical therapy may be ordered to restore wrist strength
  • Eating a healthy diet and not smoking will promote healing

The majority of patients do not suffer any complications following carpal tunnel release surgery but as with any surgery, complications can occur and can include continued pain, infections, scarring, and nerve damage causing weakness, paralysis, or loss of sensation and stiffness in the hand and wrist area.

Our Providers: Hand & Wrist Specialists

  • Thomas Diliberti, M.D.

    Thomas Diliberti, M.D.

    Practice Name

    Specialty & Sub-Specialties

    Orthopedic Surgery
    Total Joint Replacement
    • Elbow
    • Elbow Replacement
    • Finger
    • Forearm
    • Hand
    • Joint Finger Replacement
    • Sports Medicine (7 years and older)
    • Wrist
  • Hugh A. Frederick, MD

    Hugh “Bo” Frederick, MD

    Orthopedic Surgery
    • Hand
    • Sports Medicine
    • Wrist
  • Aimee L. Schimizzi, MD

    Specialty & Sub-Specialties

    Orthopedic Surgery

    Address

    7777 Forest Lane, C-425, Dallas, TX, 75230

    Website

    • Dallas Hand Center
  • Megan M. Wood, M.D.

    Megan M. Wood, M.D.

    Practice Name

    Specialty & Sub-Specialties

    Orthopedic Surgery
    • Elbow
    • Hand
    • Wrist
    • Fractures
    • Sports Medicine
    • Treats all ages (birth-adult)