Readers ask: What Anatomy Is Involved In The Scaphoid Fracture?

What is the anatomical basis of fracture of scaphoid bone is usually associated with an asset is septic avascular necrosis of the proximal segment of the bone?

Avascular necrosis ( AVN ) is a common complication of a scaphoid fracture. Since the scaphoid blood supply comes from two different vascular branches of the radial artery, fractures can limit access to blood supply. Risk of AVN depends on the location of the fracture.

What attaches to the scaphoid?

The palmar surface of the scaphoid is concave, and forming a tubercle, giving attachment to the transverse carpal ligament. The proximal surface is triangular, smooth and convex, and articulates with the radius and adjacent carpal bones, namely the lunate, capitate, trapezium and trapezoid.

How does a scaphoid fracture occur?

Scaphoid fractures are most commonly caused by a fall onto an outstretched hand. The force of the injury leads to damage to the scaphoid bone. Scaphoid fractures are generally classified as either displaced or nondisplaced.

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What nerve is affected in scaphoid fracture?

In all age groups, the fracture may be complicated by injury to the median nerve, injury to the sensory branch of the radial nerve, fracture of the scaphoid, and/or dislocation of the lunate.

Do scaphoid fractures need surgery?

If your scaphoid is broken at the waist or proximal pole or if pieces of bone are displaced, your doctor may recommend surgery. The goal of surgery is to realign and stabilize the fracture, giving it a better chance to heal.

Is a scaphoid fracture serious?

When not treated with immobilization right away, the fracture may fail to heal. This is called nonunion, and it can cause serious long-term complications. About 5 percent of scaphoid fractures are nonunion.

At what age does the scaphoid ossify?

Ossification of the scaphoid begins between age 5 to 6 years and is complete between 13 to 15 years of age. Before ossification is complete, the scaphoid is almost entirely cartilaginous. Throughout this ossification period, fractures of the scaphoid are less common.

What happens if a scaphoid fracture is left untreated?

A scaphoid fracture can lead to wrist osteoarthritis, especially if the fracture is untreated and does not heal correctly. This is called “nonunion.” Severe cases of this kind of osteoarthritis can lead to an incorrect alignment of wrist bones in what is called scaphoid nonunion advanced collapse (SNAC).

What is the fastest way to heal a broken scaphoid?

  1. Advance therapy with gentle AROM of the wrist and gentle opposition and flexion/extension exercises to the thumb.
  2. Continue elbow and shoulder exercises.
  3. Remove the short-arm cast at 6 weeks if the fracture appears to be radiographically healed.
  4. Use a wrist splint for protection.
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Can you drive with a broken scaphoid?

When can I return to work and driving after plaster treatment? Return to an office job is possible within the confines of the plaster, however most insurance companies will not let you drive. Manual work will be impossible until after the cast is off and the scaphoid has healed.

How long is a cast in a scaphoid fracture?

Scaphoid fractures tend to take longer to heal than other breaks. You may have to wear a cast or splint for up to 6 months.

What does a broken scaphoid feel like?

A fractured scaphoid normally produces pain on the thumb side of the wrist joint. Usually, when a bone is broken intense pain is felt, however, in the case of a fractured scaphoid this pain may not be very strong and the injury may feel more like a wrist sprain.

Can you move your thumb with a scaphoid fracture?

A scaphoid fracture causes tenderness directly over the bone and the pain may increase when you move your thumb or grip things. Your initial pain may decrease over days or weeks and because there is no significant bruising or swelling they are often mistaken for a sprained wrist.

Do scaphoid fractures show up on xrays?

Standard X-rays may not pick up all scaphoid fractures. This is because the scaphoid bone can ‘hide’ behind the other carpal bones on an X-ray. Special scaphoid view X-rays taken with your hand and wrist in a certain position may help to show up a scaphoid fracture.

What type of splint is used for scaphoid fracture?

Once there is clinical healing on radiographs, the immobilization phase is usually over. Typically a thumb spica orthosis is then used for comfort and protection. The 3pp Ez FIT ThumSpica Splint is ideal for protection of the wrist and thumb following a scaphoid fracture.

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