FDA Adverse Event Injury Summary report: N

HEARTWARE VENTRICULAR ASSIST SYSTEM - PUMP

MDR report key: 8333373 · Received February 12, 2019

Report

Report Number
3007042319-2019-04512
Event Type
Injury
Date Received
February 12, 2019
Date of Event
January 18, 2019
Report Date
April 22, 2019
Manufacturer
HEARTWARE, INC.
Product Code
DSQ
UDI-DI
00888707002639
PMA / PMN Number
P100047
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MA, US
Reporter Occupation
NURSE

Narratives

Additional Manufacturer Narrative · 0

PRODUCT EVENT SUMMARY: THE VENTRICULAR ASSIST DEVICE (VAD) WAS NOT RETURNED FOR EVALUATION. THE REPORTED LOW FLOW EVENT WAS CONFIRMED THROUGH LOG FILE ANALYSIS WHICH REVEALED A DECREASE IN POWER CONSUMPTION AND ESTIMATED FLOWS STARTING (B)(6) 2019. 36 LOW FLOW ALARMS HAVE BEEN RECORDED SINCE (B)(6) 2019. THERE IS NO EVIDENCE TO SUGGEST THAT A DEVICE MALFUNCTION CAUSED OR CONTRIBUTED TO THE REPORTED EVENT. BASED ON THE RISK DOCUMENTATION, POSSIBLE CAUSES OF THE REPORTED LOW FLOW EVENT MAY BE ATTRIBUTED TO MULTIPLE FACTORS INCLUDING BUT NOT LIMITED TO THROMBUS AT THE INFLOW CANNULA/OUTFLOW GRAFT, CONSTRICTION AT THE OUTFLOW GRAFT, POOR VAD FILLING, INAPPROPRIATE PUMP ROTATIONAL SPEED. POSSIBLE CLINICAL FACTORS THAT MAY HAVE CONTRIBUTED TO THIS EVENT INCLUDE THE PATIENT¿S PRE-EXISTING HISTORY AND RELATED COMORBIDITIES, THE PROGRESSION OF THEIR UNDERLYING DISEASE, ISSUES RELATED TO THE THERAPEUTIC USE OF ANTICOAGULANT AND ANTIPLATELET MEDICATIONS AND THE PATIENT'S COMPLEX POST-OPERATIVE COURSE. THERE ARE POSSIBLE PATIENT, PHARMACOLOGICAL AND PROCEDURAL FACTORS THAT MAY HAVE CONTRIBUTED TO THIS EVENT. MEDTRONIC IS SUBMITTING THIS REPORT TO COMPLY WITH FDA REPORTING REGULATIONS UNDER 21 CFR PARTS 4 AND 803. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION AND HAS PROVIDED AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY ¿DEFECTS¿ OR HAS ¿MALFUNCTIONED¿. THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE THEM BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. 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

THIS DEVICE IS USED FOR TREATMENT, NOT DIAGNOSIS. THE VENTRICULAR ASSIST SYSTEM IS INDICATED FOR USE AS A BRIDGE TO CARDIAC TRANSPLANTATION AND DESTINATION THERAPY IN PATIENTS WHO ARE AT RISK OF DEATH FROM REFRACTORY END-STAGE LEFT VENTRICULAR HEART FAILURE. THE SYSTEM IS DESIGNED FOR IN-HOSPITAL AND OUT-OF-HOSPITAL SETTINGS. CONCOMITANT MEDICAL PRODUCTS: DDBB1D1 ICD, IMPLANTED: (B)(6) 2015. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

IT WAS REPORTED THAT POST VENTRICULAR ASSIST DEVICE (VAD) IMPLANT, THE PATIENT EXPERIENCED LOW FLOWS. TRANSESOPHAGEAL ECHOCARDIOGRAM (TEE) INDICATED A COLLAPSED RIGHT VENTRICLE (RV). TRANSTHORACIC ECHOCARDIOGRAM (TTE) SHOWED NO FLOW THROUGH CANNULA, LEFT VENTRICLE NOT DECOMPRESSED AND RIGHT VENTRICLE VERY SMALL. PATIENT EXPERIENCED DECREASED URINE OUTPUT AND ACUTE KIDNEY INJURY. FLOWS GRADUALLY IMPROVED EVERY DAY, REPEAT TTE SHOWED APPROPRIATE RV FILLING AND SEPTUM MIDLINE. THE PATIENT CONTINUED ON INOTROPIC INTRAVENOUS (IV) SUPPORT. ADDITIONAL INFORMATION INDICATED HIGH SYSTEMIC VASCULAR RESISTANCE (SVR) MAY HAVE BEEN THE ISSUE FOR LOW FLOWS. THE VAD REMAINS IN USE. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
123839 HEARTWARE VENTRICULAR ASSIST SYSTEM - PUMP VENTRICULAR (ASSIST) BYPASS DSQ HEARTWARE, INC. 1103 00888707002639

Patients

Seq Age Sex Outcome Treatment
1 72 YR Required Intervention 694758 LEAD, 5076-45 LEAD| 694758 LEAD, 5076-45 LEAD