Catalog Number 191126 |
Device Problem
Adverse Event Without Identified Device or Use Problem (2993)
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Patient Problem
Convulsion/Seizure (4406)
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Event Date 01/01/2024 |
Event Type
Injury
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Manufacturer Narrative
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The plant investigation is in process.A supplemental mdr will be submitted upon completion of this activity. clinical review: a temporal relationship exists between hd therapy utilizing a 2008t hemodialysis system and the patient¿s serious adverse event of a seizure.The definitive etiology of the seizure is unknown; therefore, causality cannot be established.Limited follow-up information precluded a more comprehensive clinical investigation.Seizures are not uncommon among patients on hemodialysis.There are many potential causes of seizures among patients on hemodialysis.In most circumstances, seizure activity occurs during or shortly after the hemodialysis procedure because of the hemodynamic and biochemical changes associated with the process.Other examples could include: uremic encephalopathy, dialysis disequilibrium syndrome, or drug induced causes.Based on the limited information available, the 2008t hemodialysis system cannot be disassociated from the serious adverse events.During intake, there was no allegation a fresenius device(s) and/or product(s) caused and/or contributed to the serious adverse events.However, given the lack of patient demographics, hospital records and/or treatment records; there is insufficient evidence for this clinical investigation to exclude the 2008t hemodialysis system from having a possible role in the serious adverse events.
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Event Description
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A user facility biomedical technician (biomed) reported to fresenius technical services that a patient experienced a seizure during hemodialysis (hd) treatment on the 2008t machine.The biomed did not have other information available upon initial reporting.An onsite evaluation was requested before the machine was returned to service.Additional information was requested however a response was not provided.
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Manufacturer Narrative
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Plant investigation: no parts were returned to the manufacturer for physical evaluation.Additionally, no on-site evaluation was performed by a fresenius field service technician (fst).A records review was performed on the reported serial number.An investigation of the device manufacturing records was conducted by the manufacturer.There were no non-conformances, or any associated rework identified during the manufacturing process which could be related to the reported event.In addition, the device history record (dhr) review confirmed the results of the in-progress and final quality control (qc) testing met all requirements.Complaint investigation did not find objective evidence indicating a product problem, thus the complaint is unconfirmed.
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Event Description
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A user facility biomedical technician (biomed) reported to fresenius technical services that a patient experienced a seizure during hemodialysis (hd) treatment on the 2008t machine.The biomed did not have other information available upon initial reporting.An onsite evaluation was requested before the machine was returned to service.Additional information was requested however a response was not provided.
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Event Description
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A user facility biomedical technician (biomed) reported to fresenius technical services that a patient experienced a seizure during hemodialysis (hd) treatment on the 2008t machine.The biomed did not have other information available upon initial reporting.An onsite evaluation was requested before the machine was returned to service.Additional information was requested however a response was not provided.
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Manufacturer Narrative
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(clinical review - typographical errors).Clinical review: a temporal relationship exists between hd therapy utilizing a 2008t hemodialysis system and the patient¿s serious adverse event of a seizure.The definitive etiology of the seizure is unknown; therefore, causality cannot be established.Limited follow-up information precluded a more comprehensive clinical investigation.Seizures are not uncommon among patients on hemodialysis.There are many potential causes of seizures among patients on hemodialysis.In most circumstances, seizure activity occurs during or shortly after the hemodialysis procedure because of the hemodynamic and biochemical changes associated with the process.Other examples could include: uremic encephalopathy, dialysis disequilibrium syndrome, or drug induced causes.Based on the limited information available, the 2008t hemodialysis system cannot be disassociated from the serious adverse event.During intake, there was no allegation a fresenius device(s) and/or product(s) caused and/or contributed to the serious adverse event.However, given the lack of patient demographics, hospital records and/or treatment records; there is insufficient evidence for this clinical investigation to exclude the 2008t hemodialysis system from having a possible role in the serious adverse event.
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Event Description
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A user facility biomedical technician (biomed) reported to fresenius technical services that a patient experienced a seizure during hemodialysis (hd) treatment on the 2008t machine.The biomed did not have other information available upon initial reporting.An onsite evaluation was requested before the machine was returned to service.Additional information was requested however a response was not provided.
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Manufacturer Narrative
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Correction: h10 (plant investigation) plant investigation: no parts were returned to the manufacturer for physical evaluation.A records review was performed on the reported serial number.An investigation of the device manufacturing records was conducted by the manufacturer.There were no non-conformances, or any associated rework identified during the manufacturing process which could be related to the reported event.In addition, the device history record (dhr) review confirmed the results of the in-progress and final quality control (qc) testing met all requirements.Complaint investigation found objective evidence indicating a product problem, thus the complaint is confirmed.
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Search Alerts/Recalls
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