What is 'turn on finger'?

Fingers curled in the form of a ' trigger ' often take place after getting up or holding hands. In order to return to the original functional position, there must be support from the other hand, at which time you have the feeling of " turning on your fingers ", the common name of this condition is the finger syndrome.

Causes : due to the process of arthritis and degeneration of the finger joint, often seen in patients with prolonged polyarthritis, deposition of Hyalin and hyperplasia of connective tissue.

In the first stage, the patient only feels pain when folding, stretching the fingers; then fingers fold, stretching harder but still actively do it. During chronic inflammation, patients want to stretch their fingers, they need support from the other hand. In severe cases, fingers are stuck in a half-tight position. Picture 1 of What is 'turn on finger'?

Curling fingers in the form of 'trigger' (Photo: TTO)

Damage can occur in one finger or multiple fingers.

Treatment: Mild form of the patient may be referred to a osteoarthritis specialist, orthopedic injury: treatment with anti-inflammatory drugs or injections of hydrocortisone can emulsion into the tendon edge, at the A1 ligament line with the table joint, finger; 3-4 injections, 5-6 days apart, need to ensure absolute sterility and proper injection method.

Severe or unresponsive to medical treatment, there are indications of surgery to cut the ligament of A1 ring, sometimes removing the protrusion of the tendon. After surgery, it is necessary to continue treatment with anti-inflammatory drugs and practice physiotherapy to avoid recurring tendons.

Ths.Bs NGUYEN DINH PHU (Nhan Dan 115 Hospital, Ho Chi Minh City)