FDA Adverse Event Malfunction Summary report: N

INRATIO2

MDR report key: 2140792 · Received June 15, 2011

Report

Report Number
2027969-2011-01346
Event Type
Malfunction
Date Received
June 15, 2011
Date of Event
May 16, 2011
Report Date
June 15, 2011
Manufacturer
ALERE SAN DIEGO, INC.
Product Code
GJS
PMA / PMN Number
072727
Removal / Correction Number
NI
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
KY, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO2 TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED: INRATIO2: 5.3, REFERENCE: 3.5, MEAN: 4.40, CONFIDENCE LIMITS: 2.5-6.5. INRATIO2: 5.3, REFERENCE: 3.9, MEAN: 4.60, CONFIDENCE LIMITS: 2.5-6.5. ANALYSIS OF CUSTOMER'S DATA REVEALED THAT BOTH INRATIO2 AND REFERENCE TEST RESULT COMPARISONS MEET ACCURACY CRITERIA. CUSTOMER'S RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. NO PRODUCT IS EXPECTED TO BE RETURNED. NO FURTHER INVESTIGATION REQUIRED. AS REVIEWED ON (B)(6) 2011, ONE HUNDRED AND SEVENTY-ONE DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #243934, YIELDING A COMPLAINT RATE OF 0.128%. ACTION THRESHOLD MONITORED BY QA FOR CORRECTIVE ACTION (>0.07%) WAS REACHED. FROM (B)(6) 2010 TO (B)(6) 2011, SIXTEEN THERAPEUTIC AND THREE NORMAL DONOR SAMPLE TESTS HAVE BEEN PERFORMED. TEST RECORDS INDICATED THAT ALL STRIP TEST RESULTS MET PRODUCT PERFORMANCE WHEN COMPARED TO THE RESULTS FROM IN VIVO TESTS. THIS ISSUE WILL BE SUBJECT TO TRACKING AND TRENDING. NO CORRECTIVE ACTION REQUIRED AT THIS TIME AS NO PRODUCT DEFICIENCY WAS ESTABLISHED.

Description of Event or Problem · 1

CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE DOCTOR'S METER AND THE LAB. RESULTS AS FOLLOWS: DATE: (B)(6) 2011, INRATIO2: 5.3, DOCTOR'S METER: 3.5, LAB: 3.9. NURSE PERFORMED TESTS AT THE DOCTOR'S OFFICE. PATIENT HAS BEEN USING THE METER SINCE 11/22/2010. PATIENT'S THERAPEUTIC RANGE: 2.5-3.5 INR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO2 PROTHROMBIN TIME TEST GJS ALERE SAN DIEGO, INC. 100071 243934

Patients

Seq Age Sex Outcome Treatment
1 NI