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Model Number 2102 |
Device Problem
Use of Device Problem (1670)
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Patient Problem
Undesired Nerve Stimulation (1980)
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Event Date 01/04/2024 |
Event Type
Injury
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Manufacturer Narrative
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While analysis was unable to be performed as the device was not returned, the root cause of the event was related to device being inadvertently programmed too high.The device history and sterilization record for this device serial number has been reviewed.No issues or discrepancies were noted during this review that would have contributed to the reported event.The device met material, assembly, and quality.Control requirements.Cvrx id# (b)(4).
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Event Description
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On 29-jan-2024, it was reported that the patient experienced extraneous stimulations in the form of their voice changing and also some coughing.The patient will be seen for an already scheduled titration visit on (b)(6) 2024 and a discussion will be had with the physician on how to address the patients concerns.The patient mentioned that their energy levels has greatly improved.The patient was seen on (b)(6) 2024 with a noticeable cough and an occasional voice alteration.The patient described the feeling as uncomfortable and reported that the symptoms began shortly after their last follow-up visit on (b)(6) 2024.However, the patient requested to have their setting increased as they have noticed improvements in their heart failure symptoms.Temporarily inhibiting the therapy did not result in complete resolution of the cough but there was some improvement.The cough seems to be position related and was easily induced by moving the head to the right.The physician asked to keep the settings as they are until the patient sees an ears nose and throat specialist.The option to reduce the pulse width was presented but the physician preferred not to.On 13-feb-2024, it was reported that the patient was seen for an unscheduled visit with their ent on (b)(6) 2024.The patient received a nerve block and was placed on gabapentin.The patient reported that the nerve block only helped about 10 percent.The physician also suggested turning off therapy for 24-48 hours to see if the symptoms will resolve.Therapy was turned off on (b)(6) 2024.The patient's cough and voice alterations resolved, however the patient had less energy.Therapy was restarted on (b)(6) 2024 with adjustments, and the patient's symptoms did not recur.On (b)(6) 2024, the patients therapy amplitude was programmed at 4ma and the physician instructed the patient to increase their gabapentin levels and return for evaluation which was scheduled for (b)(6) 2024.On (b)(6), the patients therapy amplitude was increased to 5.2ma and there was no apparent increase in cough or voice alteration and no extraneous stimulation.The patient was scheduled to be seen on (b)(6) 2024 for a regular follow-up appointment.
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Manufacturer Narrative
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The results of the investigation are inconclusive at this time, and the reported device was not returned for analysis.Based on the information received, the cause of the reported event could not be conclusively determined.Initial report b4 inadvertently entered as (b)(6) 2024.Initial report actually submitted (b)(6) 2024.Cvrx id# (b)(4).
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Event Description
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On (b)(6) 2024, it was reported that the patient experienced extraneous stimulations in the form of their voice changing and some coughing.The patient has a history of afib and vtach/fib and has an icd.The patient also mentioned that their energy levels has greatly improved since receiving their device.The patient was seen on (b)(6) 2024 with a noticeable cough and an occasional voice alteration.The patient described the feeling as uncomfortable and reported that the symptoms began shortly after their last follow-up visit on 04-jan-2024.However, the patient requested to have their setting increased as they have noticed improvements in their heart failure symptoms.Temporarily inhibiting the therapy did not result in complete resolution of the cough but there was some improvement.The cough seems to be position related and was easily induced by moving the head to the right.The physician asked to keep the settings as they are until the patient sees an ears nose and throat specialist.The option to reduce the pulse width was presented but the physician preferred not to.On 13-feb-2024, it was reported that the patient was seen for an unscheduled visit with their ent on (b)(6) 2024.The patient received a nerve block and was placed on gabapentin.The patient reported that the nerve block only helped about 10 percent.The physician also suggested turning off therapy for 24- 48 hours to see if the symptoms will resolve.Therapy was turned off on (b)(6) 2024.The patient's cough and voice alterations resolved.However, the patient was less energetic.Therapy was restarted on (b)(6) 2024 with adjustments, and the patient's symptoms did not recur.On (b)(6) 2024, the patients therapy amplitude was programmed at 4ma, and the physician instructed the patient to increase their gabapentin levels and return for evaluation which was scheduled for (b)(6) 2024.On (b)(6), the patients therapy amplitude was increased to 5.2ma and there was no apparent increase in cough or voice alteration and no extraneous stimulation.On (b)(6) 2024, therapy was reduced as the patient experienced extraneous stimulation symptoms.Following the reprogramming, the lump in the throat sensation resolved and the cough decreased slightly.The patient reported that their energy levels did not increase following the previous therapy adjustment.As of (b)(6) 2024, the patient was still experiencing occasional coughing and voice alterations, but no adjustment was made.On (b)(6) 2024, the patient's existing csl on the right carotid was capped and a new lead was implanted on the left carotid and the device was activated.The procedure was successful with no complications.
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Search Alerts/Recalls
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