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The angiographic findings in 8 patients with surgically produced arteriovenous fistulae performed for lower limb discrepancy are described. The exact site and size of the fistulae were shown in all patients. The arteries below the fistulae are usually of the same size as the normal limb or smaller, suggesting that increased blood flow is not the principal mechanism of the bone growth which may result from fistula formation.
Additional information concerning arterial collaterals and enlarged venous tributaries is also obtained.
It is suggested that arteriography should be performed immediately before closure of the fistulae.
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