Trigger Finger Treatment

Dr Shreedhar Archik Orthopedic Surgeon in Dadar Mumbai


What is trigger finger?

Stenosing tenosynovitis, commonly known as trigger finger or trigger thumb, involves the pulleys and tendons in the hand that bend the fingers. The tendons work like long ropes connecting the muscles of the forearm with the bones of the fingers and thumb. In the finger, the pulleys form a tunnel under which the tendons must glide. These pulleys hold the tendons close against the bone. The tendons and the tunnel have a slick lining that allows easy gliding inside the pulleys.

Trigger finger/thumb happens when the tendon develops a nodule (knot) or swelling of its lining. When the tendon swells, it must squeeze through the opening of the tunnel (flexor sheath) which causes pain, popping, or a catching feeling in the finger or thumb. When the tendon catches, it produces inflammation and more swelling. This causes a vicious cycle of triggering inflammation and swelling. Sometimes the finger becomes stuck (locked) and is hard to straighten or bend.

What causes trigger finger?

Causes for this condition are not always clear. The medical conditions of rheumatoid arthritis, gout and diabetes may be associated with trigger finger/thumb symptoms.

Symptoms of trigger finger

Trigger finger/thumb may start with discomfort felt at the base of the finger or thumb. A thickening may be found in this area. When the finger begins to trigger or lock, the patient may think the problem is at the middle knuckle of the finger or the tip knuckle of the thumb.

Trigger finger treatment

The goal of treatment in trigger finger/thumb is to eliminate the catching or locking and allow full movement of the finger or thumb without discomfort. Swelling around the flexor tendon and tendon sheath must be reduced to allow smooth gliding of the tendon. The wearing of a splint or taking anti-inflammatory medication by mouth or an injection into the area around the tendon may be recommended to reduce swelling. Treatment may also include changing activities to reduce swelling. Be sure to talk to your pharmacist before purchasing anti-inflammatories as these medications may be contraindicated as they may interact with other medications and medical conditions.

If non-surgical forms of treatment do not improve symptoms, surgery may be recommended by your orthopedist. This surgery is performed as an outpatient. The goal of surgery is to open the first pulley so the tendons glide more freely. Active motion of the finger gradually begins immediately after surgery. Normal use of the hand can usually be resumed once comfort permits. Some patients may feel tenderness, discomfort and swelling about the area of their surgery longer than others. Occasionally, hand therapy is required after surgery to regain better use.

If you have trigger finger and would like to learn more about your treatment options, contact us.
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