MAUDE Adverse Event Report: LIVANOVA CANDA CORP MITROFLOW LXA AORTIC PERICARDIAL HEART VALVE; TISSUE HEART VALVES

Model Number LXA19

Device Problem Gradient Increase (1270)

Patient Problems Aortic Insufficiency (1715); Death (1802); Dyspnea (1816); Pulmonary Edema (2020); Multiple Organ Failure (3261)

Event Date 09/13/2016

Event Type  Death  

Manufacturer Narrative

The manufacturing and material records for the mitroflow bioprosthetic pericardial heart valve, model # lxa19, s/n # (b)(4), as they pertain to the reported event, were retrieved and reviewed by quality engineering at livanova (b)(4) corp.The results confirmed that this valve satisfied all material, visual, and performance standards required for a lxa19 mitroflow aortic pericardial heart valve at the time of manufacture and release.Since the device was not explanted, further investigation on the complained prosthesis is not possible at this time.Therefore, based on the limited information available to date, the root cause of the event could not be established.The manufacturer is following up with the site for further information.The case will be re-assessed if new information is received.Device not explanted.

Event Description

The manufacturer was notified of this event through the (b)(6) registry.On (b)(6) 2011, (b)(6) years old female patient received a mitroflow lxa19 to replace her native stenotic aortic valve.No concomitant procedures were performed during the surgery.Upon discharge, 6 days later, the patient was in atrial fibrillation.The echo showed a good mean gradient of 12mmhg.On (b)(6) 2016, the patient died due to cardiovascular mortality reported as valve related by the site.On (b)(6) 2016, the echo showed a grade iii severe aortic insufficiency (trans-valvular mean gradient was 77mmhg).No central/ perivalvular leaks were reported.On the same day, a coronarography was performed for a pre-tavi assessment to accurately verify optimal vascular access.

Manufacturer Narrative

Based on the new information received on 04 dec 2018, the site classified the patient's death as non-cardiovascular, specifically due to multiorgan failure.The device was not explanted no device analysis can be performed.It is possible that the patient's risk factors (dyslipidemia, diabetes, obesity) and medical history contributed to the reported structural valve deterioration; however, since this cannot be confirmed, the root cause remains unknown.

Event Description

The manufacturer was notified of this event through the sure avr registry.On (b)(6) 2011, an (b)(6) female patient received a mitroflow lxa19 to replace her native stenotic aortic valve.No concomitant procedures were performed during the surgery.Upon discharge, 6 days later, the transthoracic echocardiogram shows unextracted valvulopathy with preserved systolic function and an ejection fraction of 65%.Concentric left ventricular hypertrophy (predominantly septal) was observed.A good functionality of the aortic prosthesis was reported, with a mean gradient of 12 mmhg.Presence of minimal aortic insufficiency.Mitral calcification.Moderate tricuspid insufficiency.The patient left the hospital in permanent atrial fibrillation.On (b)(6) 2016, the patient died due to multi-organ failure (non-cardiovascular mortality).Prior to the patient¿s death, on (b)(6) 2016, the patient was admitted to the hospital and a coronary angiography was performed for pre-tavi assessment to accurately verify optimal vascular access.This revealed early degeneration of the aortic valve prosthesis implanted 5 years before.The ultrasound showed aortic biologic prosthesis with very severe stenosis and moderate intra-prosthetic insufficiency.(eoa = 0.6 cm2, maximum / mean gradient = 131 / 77mmhg).A tavi was programmed, but not scheduled.The patient was hospitalized on (b)(6) 2016 for stage iv dyspnea with signs of subacute pulmonary edema associated with cardiac decompensation in the context of aortic valve heart disease.In addition, she developed end-stage renal failure.The patient ultimately died on (b)(6) 2016 of progressive hypotension related to the complications she has developed, without having received the re-intervention (tavi).

• Brand Name: MITROFLOW LXA AORTIC PERICARDIAL HEART VALVE
• Type of Device: TISSUE HEART VALVES
• Manufacturer (Section D): LIVANOVA CANDA CORP; 5005 north fraser way; burnaby, british columbia
• Manufacturer (Section G): LIVANOVA CANDA CORP; 5005 north fraser way; burnaby, british columbia
• Manufacturer Contact: francesca crovato ; 5005 north fraser way; burnaby, british columbia
• MDR Report Key: 8109155
• MDR Text Key: 128556058
• Report Number: 3004478276-2018-00349
• Device Sequence Number: 1
• Product Code: LWR
• UDI-Device Identifier: 00896208000092
• UDI-Public: (01)00896208000092(240)LXA19(17)150831
• Combination Product (y/n): N
• Reporter Country Code: BE
• PMA/PMN Number: P060038
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: health professional,study
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 12/29/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 11/27/2018
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 08/31/2015
• Device Model Number: LXA19
• Device Catalogue Number: LXA19
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Date Manufacturer Received: 12/04/2018
• Was Device Evaluated by Manufacturer?: No
• Date Device Manufactured: 09/09/2010
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Death; Hospitalization; Required Intervention
• Patient Age: 89 YR
• Patient Weight: 82