ARCHITECT STAT TROPONIN-I
Report
- Report Number
- 1415939-2012-00144
- Event Type
- Malfunction
- Date Received
- April 17, 2012
- Report Date
- March 22, 2012
- Manufacturer
- ABBOTT LABORATORIES
- Product Code
- MMI
- PMA / PMN Number
- K041192
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- GM
- Reporter Occupation
- HEALTH PROFESSIONAL
Narratives
THE ARCHITECT STAT TROPONIN-I ASSAY PERFORMANCE WAS EVALUATED IN REGARDS TO ACCURACY BY TESTING AN INTERNAL TROPONIN-I PANEL WITH REAGENT LOT 91925UN11. ALL RESULTS WERE WITHIN SPECIFICATION, VERIFYING THE ACCURACY OF THE ASSAY TO DETECT KNOWN CONCENTRATIONS OF TROPONIN-I. ASSAY PRECISION WAS EVALUATED BY RUNNING LOW, MEDIUM AND HIGH ARCHITECT STAT TROPONIN-I CONTROLS IN REPLICATES OF FOUR, TWICE PER DAY, OVER A FIVE DAY PERIOD. THE RESULTS OF THE MEDIUM AND HIGH CONTROLS MET THE ASSAY PACKAGE INSERT (840653/R08) SPECIFICATIONS FOR THE MAXIMUM ALLOWABLE LIMIT FOR THE COEFFICIENT OF VARIATION OF LESS THAN OR EQUAL TO 10% FOR SAMPLES GREATER THAN OR EQUAL TO 0.20 NG/ML. THE LOW CONTROL RANGED FROM 0.14 TO 0.17 NG/ML AND ALSO MET ASSAY PACKAGE INSERT SPECIFICATIONS. THE EVALUATION ALSO CONSISTED OF A REVIEW OF CUSTOMER COMPLAINTS RECEIVED TO-DATE TO DETERMINE IF OTHERS HAVE EXPERIENCED THE ISSUE ENCOUNTERED BY THIS CUSTOMER. THE REVIEW OF THIS DATA DID IDENTIFY AN INCREASE IN COMPLAINT ACTIVITY. NON-STATISTICAL TRENDS WERE IDENTIFIED DURING THE COMPLAINT TREND REVIEW RELATED TO DISCREPANT PATIENT RESULTS. ADDITIONALLY, MONTHLY COMPLAINT TRACKING AND TRENDING FOR LIST 2K41 DID NOT IDENTIFY ANY ADVERSE TRENDS DUE TO LOT 91925UN11. THE PRECISION AND ACCURACY TESTING PERFORMED USING THE LIKELY CAUSE LOT NUMBER MET ACCEPTANCE CRITERIA, WHICH INDICATE ACCEPTABLE PRODUCT PERFORMANCE. NO ADDITIONAL ISSUES WERE IDENTIFIED AS A RESULT OF THIS COMPLAINT EVALUATION. BASED ON THE RESULTS OF THIS CURRENT INVESTIGATION, THE ARCHITECT STAT TROPONIN-I ASSAY LOT 91925UN11 IS PERFORMING ACCEPTABLY. A PRODUCT DEFICIENCY WAS NOT IDENTIFIED. (B)(4). (B)(6).
THE CUSTOMER OBSERVED A FALSE POSITIVE RESULT GENERATED ON A PATIENT SAMPLE WHILE TESTING WITH THE ARCHITECT STAT TROPONIN-I ASSAY. AN INITIAL RESULT OF 0.0 NG/ML WAS GENERATED WITH REAGENT LOT 14543UN11. THE SAMPLE WAS THEN RETESTED ON ARCHITECT I2000SR ANALYZER SERIAL NUMBER (B)(4) IN THE CUSTOMER'S LAB AND GENERATED A RESULT OF GREATER THAN 0.05 NG/ML USING REAGENT LOT 91925UN11 (NO EXACT VALUE WAS PROVIDED), WHICH WAS REPORTED FROM THE LAB. THE CUSTOMER USES A CUT-OFF VALUE OF 0.03 NG/ML. THERE IS NO KNOWN PATIENT IMPACT.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | ARCHITECT STAT TROPONIN-I | MMI | ABBOTT LABORATORIES | 91925UN11 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | ARCH I2000SR LN: 03M74-02 SN: (B)(4) |