Ayala-Ugalde FA, González-Martínez C

Language: Spanish
References: 11
Page: 27-31
PDF size: 275.22 Kb.

ABSTRACT

Rheumatoid arthritis is an autoimmune, chronic disease with an unknown etiology. It was first described in 1956 by Straub and Wilson and it is characterized by systemic and progressive swelling. Spontaneous rupture of extensor tendons is a frequent complication of this disease; it has an incidence of 50 to 64%. The most common site for rupture of extensor tendons is the distal end of the extensor retinaculum, where the weight on the synovial tissue and tendon is most significant, in addition to being the key point of blood supply to the extensor tendons. The tendons that are most frequently affected are the extensor proprio and common extensor of the little finger, the extensor of the 4th finger, and the common extensor of the middle finger. The extensor proprio of the index finger is the least prone to injury. We present the case of a 63-year-old female, a pianist, diagnosed with rheumatoid arthritis when she was young and is presently being treated with methotrexate. She, spontaneously, presented inability to flex the 3rd, 4th, and 5th fingers of the right hand and has had this condition for two years. Tenosynovectomy, synovectomy of the wrist and tendon transfers were performed with good results.

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