As reported in a research article, a patient had chest pain, shortness of breath, residual shunt and increasing frequency and intensity of migraines after an amplatzer cribriform implant.The patient was diagnosed with a nickel allergy and the device was explanted.The instructions for use, document 600218-010 revision b warns that patients who have a nickel allergy may have a reaction to the device.The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be conclusively determined.
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Reference manufacturing report number:2135147-2019-00389, 2135147-2019-00388, 2135147-2019-00386, 2135147-2019-00384, 2135147-2019-00383, 2135147-2019-00382, 2135147-2019-00381.It was reported through a research article identifying amplatzer that may be related to explant of devices.Specific patient information is documented as a (b)(6) years old woman.Details are listed in the attached article, titled explantation of patent foramen ovale closure devices.On an unknown date, a 25mm amplatzer cribriform asd was implanted without difficulty.Three months post procedure, the patient experienced increase in the frequency and intensity of migraines.The patient also developed chest pain and shortness of breath.One year post procedure, the patient was diagnosed with nickel allergy and was given a treatment of clopidogrel and prednisonel.The chest pain persisted and the patient underwent surgical excision of the device.A small fenestration in the atrial septum was observed, which accounted for the residual shunt.Pathological examination revealed extensive fibrosis with scattered eosinophils and inflammatory cells.After the explantation, the chest pain resolved and the migraines reduced in frequency.
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