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It was reported that vessel perforation occurred.The 90% stenosed, target lesion was located in a shunt in a severely tortuous forearm vessel.A 6.0mmx100mmx80cm sterling balloon catheter was advanced for use.However, when dilatation at 6 atmospheres was performed, the vessel ruptured and bleeding occurred.After that, long inflation at 2 atmospheres was performed and stopped the bleeding.However, physician believed that balloon might be stretched and over inflated.The procedure was completed with the original device.There were no patient complications.
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