Medtronic was made aware of this event through a search of literature publications.It was not possible to ascertain specific device information from the literature publication or to match the event with previously reported events.This information is based entirely on journal literature.This event occurred outside the us.All information provided is included in this report.Patient information is limited due to confidentiality concerns.Without a lot number or device serial number, the manufacturing date cannot be determined.Since no device id was provided, it is unknown if this event has been previously reported.The date of death is not available at the time of this report; as there is no indication of specific lot number for patient information.A request for additional information will be made and upon receipt a supplemental report will be submitted accordingly.Referenced article: ¿atrio-oesophageal fistula complicating cryoballoon which presented with recurrent fever and stroke.¿ nobel medicus.2018; 14(3): 45-50.If information is provided in the future, a supplemental report will be issued.[(b)(4)].
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The literature publication reported the following patient complications while using a cryoablation balloon catheter: the patient presented to the local hospital with "fever, chills, shivering, sweating, nausea, vomiting, chest pain, elevated while cell count and inflammatory markers." three weeks prior, the patient had an ¿uneventful ad well-tolerated¿ cryoablation procedure.Examination determined that there was a ¿lower respiratory tract infection,¿ and the patient was prescribed medications.Subsequently, the patient traveled to the hospital of the author, and presented with ¿fever, chills, shivering, elevated inflammatory markers, and low platelet counts.¿ the patient was admitted to the hospital due to febrile episodes and was suspected to have an infection.Blood samples were taken, and the patient was started on intravenous antibiotic therapy.The next day the patient developed ¿new onset weakness in the right extremities, which became acutely aphasic with a right hemiplegia.¿ the patient underwent a head computed tomography (ct) which showed a ¿mild hypodensity at the posterior side of left centrum semiovale and the subcortical area of the precentral gyrus.¿ blood cultures that the patient had revealed positive results for streptococcus mitus, streptococcus oralis and capnocytophaga spp.The patient was treated with medications.Ten hours later, a follow up ct scan revealed ¿extensive right cerebral hypodensity and cortical swelling consistent with right parietal infarction, extensive cerebral air emboli and right parenchymal hematoma.¿ gas bubbles in the left ventricle were also seen.The patient then underwent an upper gastric endoscopy which showed a fistula and air bubbles.The patient condition worsened.After discussion with the medical staff and family, the decision was made to purse surgery.The surgery went as planned and the patient was transferred to the intensive care unit (icu).The author noted that although the air embolization was eliminated, and the chest was drained, the patient¿s condition ¿continued to worsen.¿ the patient then developed refractory septic shock leading to death, 24 hours after the surgery.Further follow up did not yet yield any additional information.
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