Bullet Point Topics - Trigger Digit

Likely Condition

Trigger Digit

Gender

No difference

Age range

Usually over 30, occasionally childhood

Hand Dominance

Not affected

Occupation

Not affected

Symptoms

Sticking, locking or "triggering" of the finger in the palm after making a full fist

Releases with a snapping sensation

Physical examination

Typical catching of the finger during flexing (bending) and extending (straightening) of the finger

Investigations

Occasionally associated with diabetes -ask for this to be checked out

Non operative treatment

A corticosteroid injection is effective in 50-80% of cases of trigger digit

Operative treatment

Trigger digit release surgery is performed as a day case operation under local anaesthetic. Small 1cm incision.

Operative time

Approximately 10 minutes

Likely success

Excellent

Complications

Very rare - damage to nerve and blood vessels, infection

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