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It was reported that balloon rupture occurred.The 90% stenosed target lesion was located in a shunt in the moderately tortuous and severely calcified arteriovenous fistula.A 3.5-10/4t/90 symmetry stiff shaft balloon catheter was advanced for pre-dilatation.However, on initial inflation at nearly 10 atmospheres for 10 seconds, the balloon ruptured.Since the lesion area was not completely dilated, pre-dilatation was performed again with another 3.5 x 4 symmetry balloon and the procedure was completed.There were no patient complications reported.
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