FDA Adverse Event Injury Summary report: N

SPRINT QUATTRO SECURE

MDR report key: 1921702 · Received December 13, 2010

Report

Report Number
2649622-2010-12653
Event Type
Injury
Date Received
December 13, 2010
Date of Event
July 29, 2010
Manufacturer
MEDTRONIC PUERTO RICO, INC.
Product Code
LWS
PMA / PMN Number
P920015/S24
Removal / Correction Number
Z-0475-2011
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
ME, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

THE INFORMATION SUBMITTED REFLECTS ALL RELEVANT DATA RECEIVED. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED.

Additional Manufacturer Narrative · 1

THE INFORMATION SUBMITTED REFLECTS ALL RELEVANT DATA RECEIVED. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED. EVALUATION SUMMARY: THE ACTUAL DEVICE WAS NOT RECEIVED FOR EVALUATION. THE PERFORMANCE DATA COLLECTED FROM THE DEVICE WAS ANALYZED AND REVEALED "HIGH RESISTANCE/IMPEDANCE". MAX RV PACE IMPEDANCE ROSE FROM 551 OHMS TO 741 OHMS BETWEEN (B)(6) 2010 AND (B)(6) 2010. THE ANALYSIS ALSO REVEALED "OVERSENSING: 8 NSTS WITH AVERAGE V-V CYCLES <220 MS RECORDED BETWEEN (B)(6) AND (B)(6) 2010" AND "INTERFERENCE/NOISE: 270 V-SI COUNTS IN LAST 55 DAYS (SINCE LAST SESSION), AVERAGE OF 4.9/DAY. 0 V-SI COUNTS IN 46 DAYS PRIOR TO LAST SESSION".

Additional Manufacturer Narrative · 1

THE INFORMATION SUBMITTED REFLECTS ALL RELEVANT DATA RECEIVED. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED. EVALUATION SUMMARY: (B)(4) THE ACTUAL DEVICE WAS NOT RECEIVED FOR EVALUATION. THE PERFORMANCE DATA COLLECTED FROM THE DEVICE WAS ANALYZED AND REVEALED "HIGH RESISTANCE/IMPEDANCE". MAX RV PACE IMPEDANCE ROSE FROM 551 OHMS TO 741 OHMS BETWEEN (B)(6) 2010 AND (B)(6) 2010. THE ANALYSIS ALSO REVEALED "OVERSENSING: 8 NSTS WITH AVERAGE V-V CYCLES <220 MS RECORDED BETWEEN (B)(6) AND (B)(6) 2010" AND "INTERFERENCE/NOISE: 270 V-SI COUNTS IN LAST 55 DAYS (SINCE LAST SESSION), AVERAGE OF 4.9/DAY. 0 V-SI COUNTS IN 46 DAYS PRIOR TO LAST SESSION".

Additional Manufacturer Narrative · 1

THE INFORMATION SUBMITTED REFLECTS ALL RELEVANT DATA RECEIVED. IF ADDITIONAL RELEVANT INFORMATION IS RECEIVED, A SUPPLEMENTAL REPORT WILL BE SUBMITTED. EVALUATION SUMMARY: THE ACTUAL DEVICE WAS NOT RECEIVED FOR EVALUATION. THE PERFORMANCE DATA COLLECTED FROM THE DEVICE WAS ANALYZED AND REVEALED "HIGH RESISTANCE/IMPEDANCE". MAX RV PACE IMPEDANCE ROSE FROM 551 OHMS TO 741 OHMS BETWEEN (B)(6) 2010 AND (B)(6) 2010. THE ANALYSIS ALSO REVEALED "OVERSENSING: 8 NSTS WITH AVERAGE V-V CYCLES <220 MS RECORDED BETWEEN (B)(6) 2010" AND "INTERFERENCE/NOISE: 270 V-SI COUNTS IN LAST 55 DAYS (SINCE LAST SESSION), AVERAGE OF 4.9/DAY. 0 V-SI COUNTS IN 46 DAYS PRIOR TO LAST SESSION".

Description of Event or Problem · 1

IT WAS REPORTED THAT IN THE LEFT VENTRICULAR LEAD THERE WAS HIGH THRESHOLD, LOSS OF CAPTURE AND NOISE, AS WELL AS A POSSIBLE DISLODGEMENT. IT WAS ALSO REPORTED THAT THE RIGHT VENTRICULAR LEAD WAS OVERSENSING, THAT THERE WAS NOISE AND INCREASING IMPEDANCE AND THAT THE LEAD INTEGRITY ALERT TRIGGERED. IT WAS FURTHER REPORTED THAT THE LEAD HAD INCREASING IMPEDANCE, TO OUT OF RANGE AND THAT NOISE WAS NOTED TO BE PRESENT ON THE ELECTROGRAM. BOTH LEADS AND THE DEVICE REMAIN IN USE AND NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Description of Event or Problem · 1

IT WAS REPORTED THAT IN THE LEFT VENTRICULAR LEAD THERE WAS HIGH THRESHOLD, LOSS OF CAPTURE AND NOISE, AS WELL AS A POSSIBLE DISLODGEMENT. IT WAS ALSO REPORTED THAT THE RIGHT VENTRICULAR LEAD WAS OVERSENSING, THAT THERE WAS NOISE AND INCREASING IMPEDANCE AND THAT THE LEAD INTEGRITY ALERT TRIGGERED. BOTH LEADS REMAIN IN USE AND NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT. IT WAS FURTHER REPORTED THAT THE LEAD HAD INCREASING IMPEDANCE, TO OUT OF RANGE AND THAT NOISE WAS NOTED TO BE PRESENT ON THE ELECTROGRAM. ADDITIONALLY, IT WAS REPORTED THAT THE LEFT VENTRICULAR LEAD HAD DISLODGED AND WAS REVISED. THE LEAD REMAINS IN USE.

Description of Event or Problem · 1

IT WAS REPORTED THAT IN THE LEFT VENTRICULAR LEAD THERE WAS HIGH THRESHOLD, LOSS OF CAPTURE AND NOISE, AS WELL AS A POSSIBLE DISLODGEMENT. IT WAS ALSO REPORTED THAT THE RIGHT VENTRICULAR LEAD WAS OVERSENSING, THAT THERE WAS NOISE AND INCREASING IMPEDANCE AND THAT THE LEAD INTEGRITY ALERT TRIGGERED. BOTH LEADS REMAIN IN USE AND NO PATIENT COMPLICATIONS HAVE BEEN REPORTED AS A RESULT OF THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 SPRINT QUATTRO SECURE IMPLANTABLE TACHY LEAD LWS MEDTRONIC PUERTO RICO, INC. 6947 ASKU

Patients

Seq Age Sex Outcome Treatment
1 77 YR Hospitalization| O| R 5076 IMPLANTABLE PACING LEAD| (B)(4) IMPLANTABLE PACEMAKER/CARDIO/DEFIB| 5076 IMPLANTABLE PACING LEAD| IMPLANTABLE PACEMAKER/CARDIO/DEFIB| 5076 IMPLANTABLE PACING LEAD| 5076 IMPLANTABLE PACING LEAD