Age at time of event: 18 years or older.Device is a combination product.If implanted, give date: 2014.(b)(4).Device evaluated by mfr: it is indicated that the device will not be returned for evaluation.If there is any further relevant information obtained, a supplemental medwatch will be filed.(b)(4).
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Same case as mdr id: 2134265-2018-01021.It was reported that in-stent restenosis and stent damage occurred.In 2014, a promus premier¿ drug-eluting stent was implanted in the left circumflex artery (lcx).In (b)(6) 2018, the patient was presented with 99% in-stent restenosis (isr), with moderate tortuosity and severe calcification in the previously implanted promus premier¿ stent in lcx.Percutaneous coronary intervention was then performed.Pre-dilation was performed, however the isr was not expanded sufficiently.Residual stenosis was still 99%.Intravascular ultrasound (ivus) was then performed with opticross¿ imaging catheter.Imaging pullback was performed normally.However, during removal when the physician attempted to pull the ivus catheter, resistance was encountered.The catheter became stuck with the previously implanted promus premier¿ stent.The physician pulled the ivus catheter with force and device got detached at the guidewire port at 1.5 centimeters from the tip.The physician attempted to retrieve the detached tip with a goose neck snaring device but was unsuccessful.The detached tip was then crimped to the lcx vessel wall with a 3.5 x 28 mm synergy stent.Subsequently, it was noticed that the promus premier¿ stent had shortened.The stent was then expanded and the procedure was completed.The device fragment left inside the patient's body is under follow up observation.No further patient complications were reported.
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