Between 1993 and 1995, we operated on 18 patients for split lesions of the peroneal brevis tendon associated with chronic ankle instability. Five patients were competitive athletes, seven were recreational athletes, and six were persons. Symptoms developed in three phases: ankle sprain, chronic instability, and posterolateral pain. The mean delay between sprain and posterolateral pain was 6 years. At the time of surgery the main complaint was retromalleolar pain in nine patients, pain and instability in eight patients, and instability only in one patient. Diagnosis of tendinous lesions was based on clinical examination in three cases, preoperative magnetic resonance imaging in eight cases, preoperative tenography in one case, and surgical exploration in six cases. The lesion was localized at the tip of the lateral malleolus and was visible only after opening the peroneal retinaculum. In three cases an accessory peroneal muscle was present. A Chrisman-Snook procedure was performed in 13 cases and a simple tendinous repair in 5 cases. The split lesion of the peroneus brevis tendon may be the result of chronic ankle laxity. This lesion needs a specific surgical treatment and the peroneal tendon must be checked in case of surgical procedure for ankle laxity. After ligamentous repair, residual pain can be due to a neglected peroneus brevis tear.
The purpose of this study was to evaluate the results of arthroscopy of the ankle. Of the 114 arthroscopies of the ankle that we performed between 1991 and 1996, 13 were for diagnosis, 6 were associated with open surgery, and 10 were ankle arthrodeses. We report the results of the remaining 85 therapeutic arthroscopies. We identified five groups according to preoperative indications: (1) anterolateral synovitis after a sprained ankle (33 cases), (2) sequelae of fractured ankles (17 cases), (3) anterior impingement as a result of osteophytes (12 cases), (4) loose foreign bodies as a result of avulsion of fragments of bone (6 cases), and (5) osteochondral lesions of the talar dome (17 cases). In anterolateral synovitis, results were better when the pain followed a single sprain than when after chronic instability. In osteochondral lesions of the talar dome, results were better in anterolateral lesions than in posteromedial lesions.
222 consecutive and unselected patients suffering form classical or definite rheumatoid arthritis wee studied. 397 of their feet were examined. Talonavicular arthritis was the commonest finding (31.5% of all patients), followed by sub-talar (23.3%), cuneo-navicular (20.4%) cuneo-metatarsal (14.9%) and tibio-tarsal arthritis (12.6%). Rheumatoid disease of the tarsus becomes commoner as the disease progresses. The incidences of involvement of the talo-navicular and sub-talar joints show a similar pattern, with a leap of 25% between 5 years of duration of the disease and 10 years. The same is seen with involvement of the cuneo-navicular and cuneo-metatarsal joints, between a duration of 10 years of the disease and 15 years. The percentage of flat foot is greater in feet with tarsal arthritis (p less than 0.001). The authors observed a relationship between tarsal arthritis, the length of history of rheumatoid arthritis, and flat foot. The method of investigation is discussed, and theories about evolution of the rheumatoid foot are considered.
Thirty-nine patients with rheumatoid arthritis who had presented with tarsitis before, were investigated at the level of the rearfoot. The first 17 patients had CT with previous tenography when it was possible; the following 22 patients had MRI with gadolinium injection. Tendon involvement appeared in 52.9% of the cases on CT, and in 90% of the feet on MRI; therefore, in case of clinical or radiological signs of tarsitis, it appears that tendon involvement must be suspected. With the two procedures the tibialis posterior tendon lesions were very predominant. In the majority of the patients (31/39), there was associated involvement of two or more tendons. If there is a ruptured tendon, the authors think that one must be cautious with surgical tendinous transfer; indeed, the long-term results of this surgical procedure present a strong probability of being compromised in rheumatoid arthritis which is a progressive disease.
Three hundred ninety-seven adult rheumatoid feet were examined. Those in whom pain had been present since the onset of the disease were compared radiographically with the painless feet in standing position: examination of the talar angle and of the internal arch showed flattening on the affected feet. The calcaneal angle, on the other hand, showed no difference between the two groups, but this latter parameter is little affected by the valgus pronation deformity of the hindfoot most often seen in patients who had experienced foot pain.
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