FDA Adverse Event Injury Summary report: N

VALIANT STENT GRAFT

MDR report key: 6132056 · Received November 29, 2016

Report

Report Number
2953200-2016-02038
Event Type
Injury
Date Received
November 29, 2016
Date of Event
April 15, 2016
Report Date
November 18, 2016
Manufacturer
MEDTRONIC IRELAND
Product Code
MIH
PMA / PMN Number
P100040
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NC, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Additional Manufacturer Narrative · 1

CORRECTED INFORMATION: SEX. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

THE FOLLOWING INFORMATION WAS OBTAINED FROM THE JOURNAL ARTICLE ENTITLED ¿COMPLEMENTARY ROLES OF OPEN AND HYBRID APPROACHES TO THORACOABDOMINAL AORTIC ANEURYSM REPAIR¿ EHSAN BENRASHID, MD, HANGHANG WANG, MD, NICHOLAS D. ANDERSEN, MD, JEFFREY E. KEENAN, MD, RICHARD L. MCCANN, MD, AND G. CHAD HUGHES, MD. ((J VASC SURG 2016;64:1228-38.) A VALIANT STENT GRAFT SYSTEM WAS IMPLANTED IN A PATIENT FOR THE ENDOVASCULAR TREATMENT OF A THORACOABDOMINAL AORTIC ANEURYSM. IT WAS REPORTED THAT THE PATIENT HAD A TYPE III ENDOLEAK 15 DAYS AFTER THE PROCEDURE INITIAL PROCEDURE. ADDITIONAL ENDOVASCULAR REPAIR WAS PERFORMED AND A PROXIMAL EXTENSION WAS IMPLANTED. NO ADDITIONAL CLINICAL SEQUELAE WERE REPORTED. OBJECTIVE: THORACOABDOMINAL AORTIC ANEURYSM (TAAA) REPAIR REMAINS A SIGNIFICANT CHALLENGE WITH CONSIDERABLE PERIOPERATIVE MORBIDITY AND MORTALITY. A HYBRID APPROACH UTILIZING VISCERAL DEBRANCHING WITH ENDOVASCULAR ANEURYSM EXCLUSION HAS BEEN USED TO TREAT HIGH-RISK PATIENTS AND THEREFORE ALLOW REPAIR IN MORE PATIENTS. LIMITED DATA EXIST REGARDING LONG-TERM OUTCOMES WITH THIS PROCEDURE AS WELL AS COMPARISON TO CONVENTIONAL OPEN REPAIR. THIS STUDY DESCRIBES OUR INSTITUTIONAL ALGORITHMIC APPROACH TO TAAA REPAIR USING BOTH OPEN AND HYBRID TECHNIQUES. METHODS: HYBRID AND OPEN TAAA REPAIRS PERFORMED BETWEEN JULY 2005 AND AUGUST 2015 WERE IDENTIFIED FROM A PROSPECTIVELY MAINTAINED INSTITUTIONAL AORTIC SURGERY DATABASE. PERIOPERATIVE MORBIDITY AND MORTALITY, FREEDOM FROM REINTERVENTION, AND LONG-TERM AND AORTA-SPECIFIC SURVIVAL WERE CALCULATED AND COMPARED BETWEEN THE TWO GROUPS. RESULTS: DURING THE STUDY PERIOD, 165 CONSECUTIVE TAAA REPAIRS WERE PERFORMED, INCLUDING 84 OPEN REPAIRS AND 81 HYBRID REPAIRS. PATIENTS IN THE HYBRID REPAIR GROUP WERE SIGNIFICANTLY OLDER, WERE MORE FREQUENTLY FEMALE, AND HAD A GENERALLY GREATER COMORBID DISEASE BURDEN, INCLUDING SIGNIFICANTLY MORE CHRONIC KIDNEY DISEASE. DESPITE THE OLDER AND SICKER COHORT, THERE WAS NO DIFFERENCE IN IN-HOSPITAL MORTALITY BETWEEN THE TWO GROUPS (9.9% HYBRID VS 7.1% OPEN; P = .59). MAJOR MORBIDITY RATES DIFFERED BY PROCEDURE, WITH PATIENTS UNDERGOING OPEN REPAIR HAVING A SIGNIFICANTLY HIGHER RATE OF POSTOPERATIVE STROKE (9.5% OPEN VS 0% HYBRID; P = .017), WHEREAS PATIENTS UNDERGOING HYBRID REPAIR HAD A HIGHER RATE OF NEW PERMANENT DIALYSIS (14.8% HYBRID VS 3.6% OPEN; P = .043). THERE WAS NO DIFFERENCE BETWEEN GROUPS IN THE RATE OF POSTOPERATIVE PERMANENT PARAPLEGIA/PARESIS (8.3% OPEN VS 7.4% HYBRID; P = .294). THERE WAS A SIGNIFICANTLY INCREASED RATE OF REINTERVENTION IN THE HYBRID REPAIR GROUP (12.3% HYBRID VS 1.2% OPEN, P = .004), WITH ALL HYBRID REINTERVENTIONS PERFORMED BECAUSE OF ENDOLEAK. ONE-YEAR SURVIVAL WAS SIMILAR BETWEEN GROUPS AT 69% IN HYBRID REPAIRS VS 77% IN OPEN REPAIRS. LONG-TERM SURVIVAL WAS WORSE IN THE HYBRID GROUP (5-YEAR SURVIVAL, 32% HYBRID VS 56% OPEN), ALTHOUGH LATE SURVIVAL APPEARED TO BE INFLUENCED MAINLY BY COMORBID DISEASE BURDEN, GIVEN THE SIMILAR LONG-TERM AORTA-SPECIFIC SURVIVAL BETWEEN GROUPS. CONCLUSIONS: USE OF AN ALGORITHMIC APPROACH WHEREBY HIGHER RISK PATIENTS WITH TAAA ARE TREATED BY A HYBRID APPROACH AND LOWER RISK PATIENTS WITH CONVENTIONAL OPEN REPAIR YIELDS SATISFACTORY SHORT- AND LONG-TERM OUTCOMES. THE AVAILABILITY OF MULTIPLE OPTIONS FOR TAAA REPAIR WITHIN A SINGLE CENTER LIKELY ALLOWS REPAIR IN MORE PATIENTS WITH CONSEQUENT DECREASE IN THE RISK OF AORTA-RELATED DEATH, AT THE EXPENSE OF INCREASED REINTERVENTIONS FOR ENDOLEAK.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
781846 VALIANT STENT GRAFT SYSTEM, ENDOVASCULAR GRAFT, AORTIC ANEURYSM TREATMENT MIH MEDTRONIC IRELAND

Patients

Seq Age Sex Outcome Treatment
1 69 YR Required Intervention