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ABBOTT MEDICAL PORTICO TRANSCATHETER AORTIC VALVE; AORTIC VALVE, PROSTHESIS, PERCUTANEOUSLY DELIVERED
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| Catalog Number |
PRT-29 |
| Medical Device Problem Codes |
Migration or Expulsion of Device (1395); Improper or Incorrect Procedure or Method (2017); Separation Problem (4043)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
12/20/2023
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Type of Reportable Event
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Serious Injury
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Additional Manufacturer Narrative
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Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.
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Event or Problem Description
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It was reported that on (b)(6) 2023, a 29mm portico valve was selected for implant in a patient with a forced expiratory volume less than 20%, using a large flexnav delivery system.It was noted after performing a pre-implant dilatation with an unknown device, that the patient went into cardiac arrest.It was also noted during procedure via fluoroscopy, that the valve had embolized due to the large flexnav delivery system interacting with the valve when attempting to remove the delivery system.It had not been confirmed that all three retainer tabs had released.The 29mm portico valve had been sized using computed tomography scan measurements.The decision was made to implant a second 29mm portico valve in a valve-in-valve procedure.It was noted that the first 29mm portico valve was moved in an unknown fashion above the sinotubular junction, and implant the second 29mm portico valve was over the aortic annulus.There was no allegation of malfunction against the abbott devices or procedure.The patient was stable at the time of report.
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Event or Problem Description
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It was reported that on 20 december 2023, a 29mm portico valve was selected for implant in a patient with a forced expiratory volume less than 20%, using a large flexnav delivery system.It was noted after performing a pre-implant dilatation with an unknown device, that the patient went into cardiac arrest.It was also noted during procedure via fluoroscopy, that the valve had embolized due to the large flexnav delivery system interacting with the valve when attempting to remove the delivery system.It had not been confirmed that all three retainer tabs had released.The 29mm portico valve had been sized using computed tomography scan measurements.The decision was made to implant a second 29mm portico valve in a valve-in-valve procedure.It was noted that the the first 29mm portico valve was moved in an unknown fashion above the sinotubular junction, and implant the second 29mm portico valve was over the aortic annulus.There was no allegation of malfunction against the abbott devices or procedure.The patient was stable at the time of report.Subsequent to the previously filed report, additional information was received that the patient that a 22mm non-abbott device was used for the pre-implant dilatation.It was confirmed that a failure to check release of all 3 retainer tabs of the 29mm portico valve occurred prior, to removal of the large flexnav delivery system.It was also noted that the first 29mm portico valve had been moved using a snare to get the valve above the coronary ostiums.After implant of the second 29mm portico valve the patient was stable.It is unknown what intervention occurred as a result of the patient's cardiac arrest, but was noted that the anesthesiologist was present for patient support.
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Additional Manufacturer Narrative
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An event of device migration, difficult separation, and improper or incorrect procedure or method was reported.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed and the product met all specifications.Possible contributing factors for valve migration are intra-procedural difficulties, implant depth, annular calcium distribution, and deployment or retraction difficulties.Information from the field indicated that the valve embolized due to interaction with the flexnav delivery system during delivery system removal, it had not been confirmed that all three retainer tabs had released, and the valve was snared to get the valve above the coronary ostiums.Based on available information, the reported event appears to be related to procedural conditions (failure to check release of all 3 retainer tabs).The reported improper or incorrect procedure or method is due to the user snaring the valve after deployment.There is no indication of a product quality issue with respect to manufacture, design, or labeling.Please note per the instructions for use, "once the valve is fully deployed, repositioning and retrieval of the valve is not possible.Attempted retrieval (e.G., use of a guidewire, snare, or forceps) may cause aortic root, coronary artery, and/or myocardial damage." information from the field indicates that the physician was aware of these warnings, and it was deemed necessary to snare the valve to move it above the coronary ostiums.Therefore, a letter will not be sent to the account to address the deviation.
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