Trigger finger
What is it?
The finger flexor tendons slide inside a canal consisting of a series of pulleys that hold them to the skeleton of the hand and optimise their action.
There are conditions in which the first of these pulleys, located at the base of the finger, becomes so tight that the two flexor tendons passing through it cannot slide. In these cases, the tendons can become deformed and difficult to pass, which can cause pain. In the long term, the tendons get stuck inside the canal and a clicking sound is felt when the flexion-extension movement is forced, corresponding to the passage of the deformed part of the tendon under the pulley.
Which are the symptoms?
- pain
- twitching on flexion and extension of the fingers
- decreased finger mobility
How is it diagnosed?
The diagnosis of stenotic tenosynovitis of the flexors, or trigger finger, is made by simple examination by a specialist, and only in some rare cases may instrumental confirmation by ultrasound be required.
Suggested exams
How is it treated?
Conservative treatment can always be attempted based on rest, anti-inflammatory medication, physiotherapy and the use of splints.
If conservative treatment fails, surgery can correct the impairment.
Surgery is performed by hand surgeons under local anesthesia, without the need for hospitalisation, using minimally invasive techniques that allow almost immediate restoration of the function of the finger or fingers.
The procedure is usually performed on an outpatient basis and does not require hospitalisation.
A rehabilitation program under the supervision of a hand therapist is necessary after the procedure.
Where do we treat it?
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