HEARTWARE VENTRICULAR ASSIST SYSTEM - PUMP
Report
- Report Number
- 3007042319-2019-12426
- Event Type
- Injury
- Date Received
- November 6, 2019
- Date of Event
- September 1, 2014
- Report Date
- January 2, 2020
- Manufacturer
- HEARTWARE, INC.
- Product Code
- DSQ
- PMA / PMN Number
- P100047
- Adverse Event
- Yes
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- UK
- Reporter Occupation
- PHYSICIAN
Narratives
PRODUCT EVENT SUMMARY: PUMPS WITH UNKNOWN SERIAL NUMBERS WERE NOT RETURNED FOR EVALUATION. REVIEW OF THE CONTROLLER LOG FILES COULD NOT BE CONDUCTED SINCE LOG FILES WERE NOT AVAILABLE. REVIEW OF THE STERILITY CERTIFICATES COULD NOT BE CONDUCTED SINCE THE SERIAL NUMBERS ARE UNKNOWN. THE REPORTED HIGH POWER AND LOW FLOW/SUCTION EVENTS COULD NOT BE CONFIRMED DUE TO INSUFFICIENT EVIDENCE. BASED ON THE AVAILABLE INFORMATION, THERE IS NO EVIDENCE TO INDICATE THAT A DEVICE MALFUNCTION OR PERFORMANCE ISSUE CAUSED OR CONTRIBUTED TO THE REPORTED EVENTS. BASED ON THE RISK DOCUMENTATION, POSSIBLE CAUSES OF THE REPORTED HIGH-POWER EVENTS MAY BE ATTRIBUTED TO MULTIPLE FACTORS INCLUDING BUT NOT LIMITED TO EXTERNAL FACTORS SUCH AS THROMBUS FORMATION/INGESTION, INAPPROPRIATE PUMP ROTATIONAL SPEED, AND/OR PATIENT RELATED FACTORS. POSSIBLE CAUSES OF THE REPORTED LOW FLOW EVENTS 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 CAUSES OF THE REPORTED SUCTION EVENTS MAY BE ATTRIBUTED TO MULTIPLE FACTORS INCLUDING BUT NOT LIMITED TO THROMBUS AT THE INFLOW CANNULA, POOR VAD FILLING, INAPPROPRIATE PUMP ROTATIONAL SPEED AND/OR MALPOSITION OF THE PUMP DURING THE IMPLANT PROCEDURE. POSSIBLE CLINICAL FACTORS THAT MAY HAVE CONTRIBUTED TO THIS EVENT INCLUDE THE PATIENTS¿ 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 PATIENTS¿ COMPLEX POST-OPERATIVE COURSE. THERE ARE POSSIBLE PATIENT, PHARMACOLOGICAL AND PROCEDURAL FACTORS THAT MAY HAVE CONTRIBUTED TO THESE EVENTS. 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.
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. MEDTRONIC WAS MADE AWARE OF THIS EVENT THROUGH A SEARCH OF LITERATURE PUBLICATIONS. IT WAS NOT POSSIBLE TO ASCERTAIN SPECIFIC DEVICE INFORMATION FROM THE LITERATURE PUBLICATION OR TO MATCH THE EVENT WITH PREVIOUSLY REPORTED EVENTS. THIS INFORMATION IS BASED ENTIRELY ON JOURNAL LITERATURE. THIS EVENT OCCURRED OUTSIDE THE U.S. ALL INFORMATION PROVIDED IS INCLUDED IN THIS REPORT. PATIENT INFORMATION IS LIMITED DUE TO CONFIDENTIALITY CONCERNS. MULTIPLE PATIENTS AND MULTIPLE MANUFACTURERS WERE NOTED IN THE ARTICLE; HOWEVER, A ONE TO ONE CORRELATION COULD NOT BE MADE WITH UNIQUE DEVICE SERIAL NUMBERS. THE BASELINE GENDER/AGE OF THE PATIENTS REPRESENTED IN THE ARTICLE IS MALE/(B)(6). WITHOUT A LOT NUMBER OR DEVICE SERIAL NUMBER, THE MANUFACTURING DATE CANNOT BE DETERMINED. SINCE NO DEVICE ID WAS PROVIDED, IT IS UNKNOWN IF THIS EVENT HAS BEEN PREVIOUSLY REPORTED. REQUEST FOR ADDITIONAL INFORMATION WILL BE MADE AND UPON RECEIPT A SUPPLEMENTAL REPORT WILL BE SUBMITTED ACCORDINGLY. REFERENCED ARTICLE: OUTCOMES AFTER IMPLANTATION OF 139 FULL-SUPPORT CONTINUOUS-FLOW LEFT VENTRICULAR ASSIST DEVICES AS A BRIDGE TO TRANSPLANTATION. EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY, NOVEMBER 2014. 46(5):E59-66. DOI: 10.1093/EJCTS/EZU325. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.
A JOURNAL ARTICLE WAS REVIEWED WHICH CONTAINED INFORMATION REGARDING VENTRICULAR ASSIST DEVICES (VADS). THE ARTICLE COMPARED CLINICAL OUTCOMES AMONG TWO MODELS OF CONTINUOUS-FLOW VADS USED FOR LEFT VENTRICULAR SUPPORT. MULTIPLE PATIENTS AND MULTIPLE MANUFACTURERS WERE NOTED IN THE ARTICLE; HOWEVER, A ONE-TO-ONE CORRELATION COULD NOT BE MADE WITH UNIQUE DEVICE SERIAL NUMBERS. THERE WERE PATIENTS ON VAD SUPPORT WHO EXPERIENCED RIGHT VENTRICULAR FAILURE REQUIRING SHORT-/LONG-TERM RIGHT VAD IMPLANTATION; RENAL FAILURE REQUIRING DIALYSIS; RESPIRATORY FAILURE REQUIRING RE-INTUBATION/MECHANICAL VENTILATION AND TRACHEOSTOMIES; DRIVE LINE PERCUTANEOUS SITE INFECTIONS AND SEPSIS REQUIRING INTRAVENOUS ANTIBIOTICS AND SURGICAL DRAINAGE/CLOSURE; SURGICAL REVISION FOR BLEEDING, PLEURAL HEMATOMA AND PULMONARY EMBOLUS. THERE ARE PATIENTS WHO UNDERWENT DEVICE EXCHANGES DUE TO PUMP THROMBOSES CAUSING DEVICE FAILURES, WITH THE PUMPS EXHIBITING LOW FLOWS AND HIGH POWER. ONE PATIENT REQUIRED SURGERY FOR VAD CANNULA RE-POSITIONING DUE TO PERSISTENT SUCTION EVENTS. THE STATUS/LOCATION OF THE VADS IS UNKNOWN. NO FURTHER PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1079306 | HEARTWARE VENTRICULAR ASSIST SYSTEM - PUMP | VENTRICULAR (ASSIST) BYPASS | DSQ | HEARTWARE, INC. | UNK |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 42 YR | Life Threatening| R |