Debridement may be an option for people with late stages of infection, where doctors remove debris from an infected area. Doctors will usually prescribe a course of antibiotics with its duration depending on the severity of the infection.įor early signs of infections, other possible treatments include sheath irrigation - cleaning the tendon sheath - and catheter-directed therapy. Infectious tenosynovitis treatment varies based on the type of organism. A 2022 article states that 2.5–9.4% of people will develop infectious tenosynovitis.Ī person should consult a doctor if they suspect infection to receive a prompt diagnosis and determine the type of organism and treatment.Ĭommon organisms include Staphylococcus aureus in 40–75% of cases and MRSA in 29% of cases. Developmental: A child’s flexor tendon and sheath may not match in size, referred to as a pediatric trigger finger.Ĭertain pathogens may result in infective tenosynovitis due to injury or the spread of infection.Injury or trauma: For example, dislocation, when a bone slips out of its joint.Trigger finger is a possible complication that may affect people with diabetes, and medical professionals will consider these factors during diagnosis. Diabetes: This chronic condition affects how the body breaks down glucose from food and turns it into energy.Further research must determine how the diagnostic process can help reduce the risk. 2021 research shows that people with amyloidosis commonly report trigger fingers. This protein buildup could cause pain in the joints. Amyloidosis: This occurs when specific proteins in the body build up into deposits in the tissues and organs.Issues affecting the thyroid: Conditions such as hyperthyroidism and hypothyroidism can affect the structure and function of the muscles and joints. Carpal tunnel syndrome: This occurs when the median nerve in the hand is compressed and can cause pain, numbness, and tingling.Gout: Crystals build up in the joints and affect their movement.Rheumatoid arthritis (RA): An autoimmune disorder in which the immune system mistakenly attacks healthy cells in the joints, which causes inflammation in the fingers and toes.When this happens, the bumps can catch on the pulley and cause a locking sensation.ĭoctors do not know the exact causes of finger and toe joint locking, but various risk factors can increase a person’s chances of developing the condition. The tendon may eventually become inflamed and develop nodules on its surface. In people with stenosing tenosynovitis, the pulley thickens, which makes it harder for the tendon to move, which in turn causes difficulty bending the joint of the finger or toe. The bands of tissue - a pulley - sit along the sheaths, which hold the tendons near the bones as they flex and stretch. The sheaths attach to the finger and toe bones. Each flexor tendon that leads to a finger or toe is encased in its structure, called a sheath. When a specific muscle contracts, the flexor tendons pull on the bones of the fingers or toes, which causes them to bend.įlexor tendons run from the forearm to the fingers’ ends across the palm. Tendons are cord-like structures that attach the muscles to bones. When this occurs in the finger joints, people also call it “trigger finger,” but it can affect any finger joints. People also refer to locking or catching of the joints in the digits as stenosing tenosynovitis. Share on Pinterest Design by MNT Photography by nico piotto/Getty Images & Rosmarie Wirz/Getty Images
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