PATHROMTIN SL
Report
- Report Number
- 9610806-2017-00074
- Event Type
- Malfunction
- Date Received
- July 20, 2017
- Date of Event
- June 6, 2017
- Report Date
- July 31, 2017
- Manufacturer
- SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS GMBH
- Product Code
- GFO
- UDI-DI
- 00842768007521
- PMA / PMN Number
- K955450
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- CO
- Reporter Occupation
- HEALTH PROFESSIONAL
Narratives
SIEMENS HEALTHCARE DIAGNOSTICS INC. (SIEMENS) FILED THE INITIAL MDR 9610806-2017-00074 ON JULY 20, 2017. JULY 21, 2017 ADDITIONAL INFORMATION: UPON FURTHER INVESTIGATION, SIEMENS DETERMINED THAT THERE WAS NO POTENTIAL FOR DEATH OR SERIOUS INJURY FOR THIS INCIDENT. THERE IS NEGLIGIBLE POTENTIAL FOR INJURY IF THIS TYPE OF INCIDENT WERE TO RECUR. SUPPLEMENTAL MDRS 9610806-2017-00072_S1 AND 9610806-2017-00073_S1 WERE FILED FOR THE SAME EVENT.
THE OPERATOR CONTACTED A SIEMENS HEALTHCARE DIAGNOSTICS INC. (SIEMENS) TECHNICAL APPLICATION SPECIALIST (TAS) TO DETERMINE WHICH RESULT THEY SHOULD REPORT FOR ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT) AND WHETHER THE PATHROMTIN SL REAGENT CAN BE USED TO MONITOR LOW-MOLECULAR WEIGHT (LMW) HEPARIN THERAPY. THE OPERATOR INDICATED THAT THEY ROUTINELY USE THE ACTIN FSL REAGENT TO TEST FOR APTT AND THEY USE THE PATHROMTIN SL REAGENT SPECIFICALLY TO TEST HEPARINIZED PATIENTS AND FOR THIS PATIENT THEY OBTAINED DIFFERENT RESULTS WHEN THEY TESTED THE PATIENT'S BLOOD IN PARALLEL USING THE PATHROMTIN SL AND ACTIN FSL REAGENTS. THE OPERATOR DID NOT PROVIDE THE LOT NUMBERS OF THE PATHROMTIN SL AND ACTIN FSL REAGENTS. SIEMENS HAS DETERMINED THAT ACTIN FSL AND PATHROMTIN SL REAGENTS ARE NOT RECOMMENDED FOR MONITORING OF APTT WHEN THE PATIENT IS ON LOW-MOLECULAR WEIGHT (LMW) HEPARIN THERAPY. THE INSTRUCTION FOR USE (IFU) FOR THE ACTIN FSL AND PATHROMTIN SL REAGENTS DO NOT HAVE PERFORMANCE CLAIMS FOR MONITORING LMW HEPARIN THERAPY. SIEMENS OFFERS FOUR DIFFERENT APTT REAGENTS WHICH PROVIDE OPTIONS IN SENSITIVITY TO HEPARIN, LUPUS ANTICOAGULANTS, AND FACTOR DEFICIENCIES THAT ALLOWS CUSTOMERS TO SELECT A REAGENT TYPE THAT IS MOST APPROPRIATE FOR MONITORING THEIR SPECIFIC PATIENT POPULATION. THE VARIATION IN SENSITIVITY CAN LEAD TO DIFFERENCES IN THE APTT RESULTS ON PATIENT SAMPLES. THE INSTRUMENT AND REAGENTS ARE PERFORMING ACCORDING TO SPECIFICATIONS. NO FURTHER EVALUATION OF THIS DEVICE IS REQUIRED. MDR 9610806-2017-00072 AND MDR 9610806-2017-00073 WERE FILED FOR THE SAME EVENT.
A PATIENT WAS ADMINISTERED LOW-MOLECULAR WEIGHT (LMW) HEPARIN THERAPY AFTER RECEIVING SURGERY AND TESTED FOR ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT). IN PARALLEL, THE OPERATOR ANALYZED THE PATIENT BLOOD FOR APTT USING THE ACTIN FSL AND PATHROMTIN SL REAGENTS AND OBTAINED DIFFERENT APTT RESULTS. THE OPERATOR OBTAINED AN APTT RESULT OF 152 SECONDS USING THE PATHROMTIN SL REAGENT AND OBTAINED AN APTT RESULT OF 30 SECONDS USING THE ACTIN FSL REAGENT. IT IS UNKNOWN IF ANY RESULTS WERE REPORTED TO THE PHYSICIAN. THE OPERATOR INDICATED THEY EXPLAINED THE SITUATION TO THE PHYSICIAN SUCH THAT THESE APTT RESULTS DID NOT AFFECT THE PATIENT. THE OPERATOR INDICATED THAT THE PHYSICIAN TREATED THE PATIENT ACCORDING TO STANDARD MEDICAL PROTOCOLS AND OTHER TEST RESULTS. THERE ARE NO KNOWN REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DIFFERENT APTT RESULTS OBTAINED BETWEEN THE PATHROMTIN SL AND ACTIN FSL REAGENTS.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 509536 | PATHROMTIN SL | PATHROMTIN SL | GFO | SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS GMBH | PATHROMTIN SL | UNKNOWN | 00842768007521 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | 80 YR |