Model Number PLATINIUM SONR CRT-D 1841 |
Device Problems
Over-Sensing (1438); Pacing Problem (1439)
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Patient Problem
No Information (3190)
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Event Date 11/27/2019 |
Event Type
malfunction
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Manufacturer Narrative
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The device involved in this mdr report is not approved in the united states; however, it is similar to a device manufactured by sorin that was cleared or approved by fda for marketing in the united states.
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Event Description
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Reportedly, the subject crt-d was implanted on (b)(6) 2019.The physician reported several episodes of ventricular tachycardia and ventricular fibrillation and one shock during review of the remote follow-up transmitted on (b)(6) 2019 and during the in-clinic follow-up performed on (b)(6) 2019.Sensing of the atrial signals in the ventricular channel was observed since the end of (b)(6) and beginning of (b)(6) when the patient was in atrial fibrillation.Non efficient ventricular pacing was also reported, as well as a decrease of the ventricular lead impedance.During a re-intervention performed on (b)(6) 2019, loose right ventricular lead was reportedly observed on x-ray images, but it remained inside the right ventricle.The right ventricular lead was re-implanted in the apex and a new ventricular lead was implanted in the outflow tract.Preliminary analysis results confirmed the reported behaviors.They most probably resulted from a right ventricular lead positioning issue.
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Manufacturer Narrative
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The description of the events contained a mistake that has been corrected (field b5).
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Event Description
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Reportedly, the subject crt-d was implanted on (b)(6) 2019.The physician reported several episodes of ventricular tachycardia and ventricular fibrillation and one shock during review of the remote follow-up transmitted on (b)(6) 2019 and during the in-clinic follow-up performed on (b)(6) 2019.Sensing of the atrial signals in the ventricular channel was observed since the end of october and beginning of november when the patient was in atrial fibrillation.Non efficient ventricular pacing was also reported, as well as a decrease of the ventricular lead impedance.During a re-intervention performed on (b)(6) 2019, loose right ventricular lead was reportedly observed on x-ray images, but it remained inside the right ventricle.Thus, the right ventricular lead (that was implanted in the apex) was explanted and replaced by another one that was implanted in the outflow tract.Preliminary analysis results confirmed the reported behaviors.They most probably resulted from a right ventricular lead positioning issue.
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Event Description
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Reportedly, the subject crt-d was implanted on (b)(6) 2019.The physician reported several episodes of ventricular tachycardia and ventricular fibrillation and one shock during review of the remote follow-up transmitted on (b)(6) 2019 and during the in-clinic follow-up performed on (b)(6) 2019.Sensing of the atrial signals in the ventricular channel was observed since the end of (b)(6) and beginning of (b)(6) when the patient was in atrial fibrillation.Non efficient ventricular pacing was also reported, as well as a decrease of the ventricular lead impedance.During a re-intervention performed on (b)(6) 2019, loose right ventricular lead was reportedly observed on x-ray images, but it remained inside the right ventricle.Thus, the right ventricular lead (that was implanted in the apex) was explanted and replaced by another one that was implanted in the outflow tract.Preliminary analysis results confirmed the reported behaviors.They most probably resulted from a right ventricular lead positioning issue.
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Search Alerts/Recalls
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