It was reported that the procedure was to treat an 80% stenosed, moderately calcified and mildly tortuous vessel in the mid left anterior descending (lad) artery.
During pre-dilatation, the 2.
5x15mm trek rx balloon dilatation catheter (bdc) had no resistance during advancement and was soaked prior to use and prepared (air aspiration) outside the anatomy.
However, the bdc was inflated once and the balloon ruptured at 8 atmospheres (atms).
A dissection occurred.
Two unspecified stents (3.
0x28mm, 2.
5x38mm) were used to treat the dissection.
There was no adverse patient sequela and there was no clinically significant delay in the procedure.
No additional information was provided.
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The device was not returned for evaluation.
A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.
Additionally, a review of the complaint history identified no other similar incidents and/or complaints from this lot.
The investigation was unable to determine a conclusive cause for the reported balloon rupture.
The reported patient effect of dissection is listed in the coronary dilatation catheters (cdc), trek rx and mini trek rx, global, instructions for use as a known patient effect.
A conclusive cause for the reported patient effect of dissection and the relationship to the device, if any, cannot be determined.
There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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