Rheumatoid arthritis and ankle surgery.
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Biomedical subjects
Publications and source records attributed to J Kirkup.
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The indications for ankle joint replacement and the advantages of a 'ball-and-socket' type of prosthesis are examined. The results of 24 Richard Smith ankle replacements of which 18 were followed for an average of 7 years are analysed and the case for abandoning this prosthesis is discussed.
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Two hundred consecutive in-patients with rheumatoid arthritis were examined for pain or deformity of the feet, and of the great toe in particular. Some abnormality occured in 196 feet and the deformities observed are presented. The symptoms that arise from these deformities are mainly derived from ill-fitting shoes, and the need for suitable foot-wear is emphasized. Two hitherto un-named entities are described namely Hallux tortus and chisel toe, since they give rise to their own shoe-fitting problems.
The feet of 200 consecutive admissions with classical or definite rheumatoid arthritis were studied. 104 were found to have pain or deformity. Clinical involvement of the joints was seen more often than radiological joint damage in the ankle, but the reverse was the case in the midtarsal joints. The metatarsophalangeal joints were involved most frequently both clinically and radiologically. Sixty per cent of the patients required modified shoes but only a third of these had received them. The need for more shoes is clear, and although this is a highly selected group of patients they were all under specialist care. The increased expenditure on special footwear would benefit the patient, firstly by improving ambulation, and secondly perhaps by reducing the number of operations necessary. Hallux valgus was very common and occurred with similar frequency to disease in the other metatarsophalangeal joints. Although not exclusive to rheumatoid arthritis, hallux valgus must have been caused for the most part by the rheumatoid arthritis and if so, then it is suggested that the provision of suitable shoes for patients may be less costly than subsequent surgical treatment.