| Model Number |
1125225-15 |
| Medical Device Problem Code |
Adverse Event Without Identified Device or Use Problem (2993)
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| Health Effect - Clinical Code |
Thrombosis/Thrombus (4440)
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| Date of Event |
11/30/2017
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Type of Reportable Event
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Serious Injury
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Additional Manufacturer Narrative
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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.The reported patient effect of thrombosis is listed in the xience alpine everolimus eluting coronary stent systems instructions for use as a known patient effect of coronary stenting procedures.Additionally, a medical review was performed by an medical advisor who concluded: stent underexpansion is a well-recognized risk factor for stent thrombosis.Chronic hard and calcified lesions can prevent optimal stent expansion.For this case, the suboptimal expansion of a xience stent resulted in an acute stent thrombosis in a stemi setting.The acute st occurred secondary to patient¿s anatomic lesion (most likely heavily calcified) and procedural complications.The acute st was related to device under-expansion.Cine films of the initial intervention and the event would be helpful in further analyzing this case.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.However, the treatment appears to be related to the operational context of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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Event or Problem Description
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It was reported that on (b)(6) 2017, the patient presented with chest pain after a recent anterior st elevation myocardial infarction (mi).The patient was referred for percutaneous coronary intervention (pci) of a circumflex (cx) lesion where there was 90% stenosis.A non-abbott guide catheter and a non-abbott guide wire were advanced to the target lesion.Angioplasty was performed using an unspecified 2.0 mm dilatation catheter.The 2.25 x 15 mm xience alpine stent was then implanted.Due to the patient anatomy, a waist was noted.Multiple attempts were made to advance a post-dilatation catheter, including use of a buddy wire and a guide catheter extension for support and downsizing balloons.All attempts were unsuccessful and the procedure ended with timi iii flow and 50% remaining residual stenosis.The plan was to keep the patient on aspirin and prasugrel, and perform rotational atherectomy in two months to improve expansion.A second procedure was performed on (b)(6) 2017 as the patient was experiencing chest pain.A non-abbott guide catheter was advanced, but was exchanged for another non-abbott guide catheter due to loss of position.The distal cx was noted to be totally occluded with thrombus at the site of the implanted xience alpine stent.A non-abbott guide wire was inserted into the patient anatomy; however, a 1.25 mm dilatation catheter and a 2.0 mm dilatation catheter were both unable to cross.The target site was re-crossed with a non-abbott guide wire; however, additional dilatation catheters were unable to cross.It was determined that more aggressive options, such as rotational atherectomy, were deemed to be too high of a risk.Therefore, no additional revascularization attempts were made.No additional information was provided.
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Additional Manufacturer Narrative
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E3: occupation: abbott legal.G2: report source: abbott legale: initial reporter: corrected.G2: report source: corrected.
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Search Alerts/Recalls
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