Related Experiment Video
Updated: May 30, 2025

06:28
Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization
Published on: June 4, 2020
6.7K
Bleeding risk assessment with thromboelastography in interventional pulmonology procedures.
David Abia-Trujillo1, Rodrigo Funes-Ferrada1, Bryan F Vaca-Cartagena1
1Division of Pulmonary, Allergy, and Sleep Medicine, Mayo Clinic Florida, Jacksonville, FL, USA.
Respiratory Medicine
|January 29, 2025
Summary
Thromboelastography (TEG) shows promise for assessing bleeding risk in Interventional Pulmonology (IP) procedures, especially due to its high specificity. Further research is needed to confirm its value in identifying high-risk patients.
Area of Science:
- Medical Diagnostics
- Hematology
- Pulmonology
Background:
- Thromboelastography (TEG) provides comprehensive coagulation assessment at the point-of-care.
- The utility of TEG in predicting bleeding risk for Interventional Pulmonology (IP) procedures remains under-investigated.
- Standard coagulation tests may not fully capture bleeding risks in IP settings.
Purpose of the Study:
- To evaluate the effectiveness of TEG in assessing bleeding risk in patients undergoing elective IP procedures.
- To determine if TEG can identify patients at higher risk of bleeding who have normal standard coagulation parameters.
Main Methods:
- Retrospective study of 76 patients undergoing elective IP procedures.
- TEG performed within 24 hours prior to procedures; standard coagulation criteria met.
- Bleeding incidence analyzed using validated scales, Fisher's Exact test, and logistic regression.
Main Results:
- 17.1% of patients experienced bleeding despite normal coagulation panels.
- TEG demonstrated high specificity (94%) but low sensitivity (23%) for bleeding risk prediction.
- Hypocoagulant TEG results were associated with a 5.1-fold increased odds of bleeding (p=0.066).
Conclusions:
- TEG may provide additional value for pre-procedural bleeding risk assessment in IP.
- The high specificity of TEG is particularly noteworthy for identifying at-risk patients.
- Larger studies are required to validate these findings and elucidate TEG's role in IP bleeding risk stratification.

