1970•Journal of Bone and Joint Surgery - British VolumeOpen access
EFFECT OF SYNOVECTOMY ON THE CLEARANCE OF RADIOACTIVE XENON (133Xe) FROM THE KNEE JOINT OF PATIENTS WITH RHEUMATOID ARTHRITIS
W C Dick, A. Shenkin, P. Freeman, G. Nuki, K. Whaley, W. W. Buchanan
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Abstract
1. 133Xe clearance rates as a measure of blood flow were determined in the knees oftwo groups of patients. 2. In the first group eight patients with rheumatoid arthritis were studied before, three months after and one year after synovectomy. Blood flow values were significantly lower three months after operation but the values recorded one year after operation did not differ significantly from those before operation. 3. In the second group (twenty-one patients with rheumatoid arthritis) blood flow values were determined two to three years after synovectomy. The values obtained differed from those obtained in normal joints and fell within the range of values obtained in forty-three patients with rheumatoid arthritis who did not have synovectomy.
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