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Tail Vein Transection Bleeding Model in Fully Anesthetized Hemophilia A Mice
Published on: September 30, 2021
Can we predict bleeding?
1Aberdeen Royal Infirmary and University of Aberdeen, Aberdeen, Scotland. Henry.Watson@arh.grampian.scot.nhs.uk
Seminars in Thrombosis and Hemostasis
|April 9, 2008
Summary
Predicting surgical bleeding risk is crucial. A structured clinical history questionnaire, yielding a bleeding score, shows high accuracy in identifying bleeding disorders, outperforming traditional lab tests.
Area of Science:
- Hematology
- Surgical Oncology
- Clinical Diagnostics
Background:
- Accurate prediction of excessive bleeding risk before surgery is clinically significant.
- Current reliance on laboratory coagulation screening tests is suboptimal due to low sensitivity and specificity.
- Existing global assays are not established for predicting bleeding in general populations.
Purpose of the Study:
- To evaluate the efficacy of clinical history assessment for predicting bleeding risk.
- To determine if a structured questionnaire can effectively identify individuals prone to excessive bleeding.
- To compare the predictive value of clinical history with traditional laboratory tests.
Main Methods:
- Utilizing a structured questionnaire to gather detailed clinical history related to bleeding tendencies.
- Deriving a 'bleeding score' based on responses to the questionnaire.
- Assessing the positive predictive value of this bleeding score for identifying bleeding disorders.
Main Results:
- Structured clinical history questionnaires demonstrate a high positive predictive value for detecting bleeding disorders.
- This approach shows promise as an efficient method for predicting bleeding risk in unselected populations.
- Traditional laboratory screening tests lack the necessary sensitivity and specificity for reliable bleeding risk prediction.
Conclusions:
- Clinical history, particularly when systematically collected via a structured questionnaire, is a valuable tool for predicting surgical bleeding risk.
- The derived bleeding score offers a more reliable method for identifying patients at risk compared to conventional laboratory tests.
- Further validation of this clinical history-based approach could improve patient safety during invasive procedures.
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