Av fistula who underwent routine fistula reassessment and dedicated venoplasty on (b)(6) 2017 which was complicated by venoplasty balloon rupture, potentially related to a defective balloon.
Specifically, balloon rupture occurred between 8-10 atm pressure, well below the related burst pressure of 16 atm.
The dominant radiopaque balloon fragment that could be visualized fluoroscopically was successfully snared and removed prior to conclusion of the (b)(6) 2017 procedure.
The remaining piece of the balloon was successfully removed by thoracic surgeon on (b)(6) 2017.
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