It was reported that on (b)(6) 2023, a mitraclip procedure was performed to treat functional mitral regurgitation.The steerable guide catheter (sgc) was inserted into the patient.Then, additional heparin was administered due to low activated clotting time (act) levels.After this, the patient experienced desaturation, became hypotensive, tachycardia, and right ventricle dysfunction.Manual cardio-pulmonary resuscitation (cpr) was performed, along with administering of epinephrine and fluids.Slowly the patient recuperated but blood pressure remained low.The procedure was aborted.The physician ruled out air or thromboembolism, as well as bleeding.Upon removal of the sterile field it was noticed that the patient had a severe allergic reaction.It is unknown what substance caused the reaction.The patient was reported to be stable and in the intensive care unit (icu).Mr remained unchanged grade 4.The clip delivery system never entered the patient.No additional information was provided.
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The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The investigation was unable to determine a cause for the reported allergic reaction and hypotension.Allergic reaction and hypotension are listed in the instructions for use as known possible complications associated with mitraclip procedures.The reported unexpected medical interventions were results of case specific circumstances.There is no indication of a product issue with respect to manufacture, design, or labeling.
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