FDA Adverse Event Injury Summary report: N

TALENT TAA STENT GRAFT

MDR report key: 5068841 · Received September 10, 2015

Report

Report Number
2953200-2015-01533
Event Type
Injury
Date Received
September 10, 2015
Date of Event
April 27, 2015
Report Date
August 19, 2015
Manufacturer
MEDTRONIC CARDIOVASCULAR SANTA ROSA
Product Code
MIH
PMA / PMN Number
P070007
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
VA, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THE EXACT DATE OF IMPLANT IS UNKNOWN. THE EXACT DATE OF THE EVENTS ARE UNKNOWN. EVALUATION CODE CONCLUSION: UNAPPROVED, OR CONTRAINDICATED USE (IMPLANTING IN ZONE 0 OR 1)

Description of Event or Problem · 1

MEDTRONIC RECEIVED THE FOLLOWING INFORMATION OBTAINED FROM THE JOURNAL ARTICLE ENTITLED; VOLUMETRIC ANALYSIS OF THE INITIAL INDEX COMPUTED TOMOGRAPHY SCAN CAN PREDICT THE NATURAL HISTORY OF ACUTE UNCOMPLICATED TYPE B DISSECTIONS. KEDAR S. LAVINGIA, MD, SEBASTION LARION, MS, SADAF S. AHANCHI, MD, CHAD P. AMMAR, MD, MOHIT BHASIN, MD, ALEEM K. MIRZA, BS, DAVID J. DEXTER, MD, AND JEAN M. PANNETON, MD HTTP://DX.DOI.ORG/10.1016/J.JVS.2015.04.449 THE FOLLOWING ADVERSE EVENTS WERE OBSERVED: SURGICAL CONVERSION, ANEURYSM ENLARGEMENT, RUPTURE, VASCULAR BYPASS CONVERSION OBJECTIVE: OUR OBJECTIVE WAS TO CHARACTERIZE THE PREDICTIVE IMPACT OF COMPUTED TOMOGRAPHY (CT) SCAN VOLUMETRIC ANALYSIS ON THE NATURAL HISTORY OF ACUTE UNCOMPLICATED TYPE B AORTIC DISSECTIONS (ADS). METHODS: WE CONDUCTED A RETROSPECTIVE REVIEW OF PATIENTS WITH ACUTE TYPE B ADS FROM 2009 TO 2014. ON AN INTUITION WORKSTATION (TERARECON, FOSTER CITY, CALIF), VOLUME MEASUREMENTS WERE OBTAINED USING THE TRUE LUMEN VOLUME (TLV), FALSE LUMEN VOLUME (FLV), AND TOTAL AORTIC VOLUME FROM THE LEFT SUBCLAVIAN ARTERY TO THE CELIAC ARTERY. GROWTH RATE WAS CALCULATED AS THE CHANGE IN MAXIMAL DIAMETER BETWEEN FIRST AND LAST AVAILABLE CT SCANS DURING THE TIME INTERVAL. THE PRIMARY OUTCOME OF THE STUDY WAS DELAYED AORTIC INTERVENTION. P <(><<)> .05 WAS CONSIDERED STATISTICALLY SIGNIFICANT. RESULTS: DURING A 5-YEAR PERIOD, 164 PATIENTS HAD CTSCAN EVIDENCE OF ACUTE TYPEB ADS; 11 PATIENTS WERE EXCLUDED FOR LACK OF SUBSEQUENT FOLLOW-UP IMAGING; 36 PATIENTS WHO UNDERWENT URGENT REPAIR (<(><<)>14 DAYS FROM PRESENTATION) WERE ALSO EXCLUDED. WE EVALUATED A TOTAL OF 117 PATIENTS: 85 PATIENTS WHO DID NOT REQUIRE INTERVENTION AND 32 WHO UNDERWENT DELAYED (>14 DAYS) THORACIC ENDOVASCULAR ANEURYSM REPAIR (29) OR OPEN REPAIR (3). MEAN AGE WAS 66 6 12 YEARS. MEAN TLV/FLV RATIO ON INITIAL CT SCAN WAS SIGNIFICANTLY HIGHER IN PATIENTS WHO DID NOT EVENTUALLY REQUIRE AN OPERATION (1.55 VS 0.82; P[ .02). THE MEAN GROWTH RATE WAS HIGHER IN THOSE EVENTUALLY REQUIRING OPERATION (2.47 VS 0.42 MM/MO; P [ .003). PATIENTS WERE DIVIDED INTO THREE SUBGROUPS ON THE BASIS OF THEIR INITIAL IMAGING TLV/FLV RATIOS (<(><<)>0.8, 0.8-1.6, AND >1.6). THERE WAS A SIGNIFICANT DIFFERENCE IN THE GROWTH RATES BETWEEN THESE THREE GROUPS (4.6 VS 2.4 VS 0.8 MM/MO; P <(><<)> .025). AREA UNDER THE RECEIVER OPERATING CHARACTERISTIC CURVE ANALYSIS REVEALED THAT A TLV/FLV RATIO <(><<)>0.8 WAS HIGHLY PREDICTIVE FOR REQUIRING AN INTERVENTION (AREA [ 0.8; SENSITIVITY, 69%; SPECIFICITY, 84%: POSITIVE PREDICTIVE VALUE, 71%; NEGATIVE PREDICTIVE VALUE, 81%), WITH AN ODDS RATIO OF 12.2 (CONFIDENCE INTERVAL, 5-26; P <(><<)> .001). CONVERSELY, A TLV/FLV RATIO OF >1.6 WAS HIGHLY PREDICTIVE FOR FREEDOM FROM DELAYED OPERATION (SENSITIVITY, 91%; SPECIFICITY, 42%; POSITIVE PREDICTIVE VALUE, 61%; NEGATIVE PREDICTIVE VALUE, 86%). AFTER KAPLAN-MEIER ANALYSIS, 1-YEAR AND 2-YEAR SURVIVAL FREE OF AORTIC INTERVENTIONS WAS 60% AND 42% WITH A TLV/FLV RATIO <(><<)>0.8 AND 92% AND 82% WITH A RATIO >1.6 (P [ .001). CONCLUSIONS: INITIAL CT SCAN VOLUMETRIC ANALYSIS IN PATIENTS PRESENTING WITH UNCOMPLICATED ACUTE TYPE B ADS IS A USEFUL TOOL TO PREDICT GROWTH AND NEED FOR FUTURE INTERVENTION. (J VASC SURG 2015;-:1-7.)

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
598151 TALENT TAA STENT GRAFT SYSTEM, ENDOVASCULAR GRAFT, AORTIC ANEURYSM TREATMENT MIH MEDTRONIC CARDIOVASCULAR SANTA ROSA

Patients

Seq Age Sex Outcome Treatment
1 00066 YR Required Intervention