The product was discarded, therefore no product failure analysis can be conducted and device malfunction cannot be confirmed.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturing record evaluation cannot be conducted because no lot number was provided by the customer.Manufacturer's ref.# (b)(4).
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It was reported that a (b)(6) male patient underwent an ablation procedure for paroxysmal atrial fibrillation with a thermocool smart touch sf bi-directional navigation catheter and suffered ventricular tachycardia (vt), ventricular fibrillation (vfib) and cardiac arrest requiring immediate resuscitation efforts (shock, chest compression's, code blue and extracorporeal membrane oxygenation (ecmo)) during the ablation phase the patient went into vt, this was confirmed by electrocardiogram.The rf was stopped, and the patient was shocked twice.The patient went into vfib which results in cardiac arrest.The code team was called and started chest compression's.The patient was placed on an ecmo machine and was transferred to the intensive care unit (icu).Patient¿s condition improved.Extended hospitalization was required as a result of the adverse event.Physician¿s opinion regarding the cause of the adverse event is that it was procedure and patient condition related.
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