Improving Detection of Lupus Anticoagulants in Patients on Anticoagulation
Author Information
Author(s): Gary W Moore
Primary Institution: Centre for Haemostasis and Thrombosis, St. Thomas' Hospital, London, UK
Hypothesis
Can combining Taipan snake venom time and Ecarin time screening with conventional mixing studies improve detection rates of lupus anticoagulants in patients on oral anticoagulation?
Conclusion
Using Taipan snake venom time and Ecarin time screening can enhance the ability to diagnose lupus anticoagulants in patients receiving oral anticoagulants.
Supporting Evidence
- Thirty-three of the 80 samples were positive in all three assays.
- Fifty-six of 80 samples were positive in DRVVT mixing tests.
- Using TSVT/ET can detect lupus anticoagulants that conventional assays may miss.
Takeaway
This study shows that a special test using snake venom can help doctors find certain blood problems in patients taking blood thinners, which regular tests might miss.
Methodology
Eighty patients known to have lupus anticoagulants receiving oral anticoagulation were tested using Taipan snake venom time, Ecarin time, and mixing studies with normal plasma.
Potential Biases
Potential bias due to the retrospective nature of the study and reliance on verbal consent.
Limitations
The study is retrospective and relies on previously collected data, which may not account for all variables.
Participant Demographics
Patients were known to have lupus anticoagulants and were receiving oral anticoagulation.
Digital Object Identifier (DOI)
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