THUMB ARTHRITIS

Description

Thumb arthritis occurs when cartilage wears away from the ends of the bones that form your thumb joint — also known as the carpometacarpal (CMC) joint

Symptoms

  • Noticeable pain and tenderness
  • Swelling of tissue around the thumb joint
  • Stiffness
  • Thumb joint deformity
  • Noticeable redness
  • Decreased grip or grasp strength

Causes

  • Aging
  • Heredity
  • Being overweight
  • Sports-related injury
  • Certain occupations: carpenters and painters

Risk Factors

  • Female sex
  • Age above 40 years
  • Obesity
  • Activities and jobs that put high stress on the thumb joint
  • Injuries to your thumb joint
  • Diseases that change the normal structure and function of cartilage, such as:
  • Rheumatoid arthritis
  • Osteoarthritis
  • Certain hereditary conditions such as:
  • Joint ligament laxity
  • Malformed joints

Diagnostic Tests

  • Physical examination
  • X-rays
  • Bone scans
  • Computed tomography (CT) Scan
  • Magnetic resonance imaging (MRI) scan
  • Arthrogram
  • Blood test
  • Fine needle aspiration (FNA) of joint fluid analysis
  • Ultrasound imaging

Treatment

  • Nonsurgical treatment includes:
  • Rest
  • Corticosteroids
  • Non-steroidal anti-inflammatory medication
  • Viscosupplementation therapy
  • Physical therapy
  • Injection of steroids into the joints
  • Heat and ice
  • Splint or brace
  • Surgical treatment includes:
  • Arthroplasty
  • Arthrodesis
  • Trapeziectomy
  • Osteotomy

Lifestyle Management

  • Maintaining a healthy body weight
  • Regular stretching exercise
  • Use protective gear
  • Healthy diet