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OC-07 - Decoding risk for thromboembolic events in lymphoma patients
D Antic1, N Milic2, M Todorovic1
1Clinic for hematology, Clinical Center Serbia, Belgrade; Medical faculty.
Thrombosis Research
|May 11, 2016
Summary
A new Thrombosis Lymphoma (ThroLy) score identifies lymphoma patients at risk for thromboembolic events. This dynamic tool aids physicians in managing thrombosis risk during cancer therapy.
Area of Science:
- Hematology
- Oncology
- Clinical Prediction Models
Background:
- Existing thrombosis risk prediction tools lack specificity for cancer patients, particularly those with lymphoma.
- There is a need for tailored risk assessment in lymphoma patients to prevent thromboembolic (TE) events.
Purpose of the Study:
- To determine the incidence of TE events in patients with non-Hodgkin lymphoma (NHL), Hodgkin lymphoma (HL), and chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL).
- To evaluate the predictive accuracy of the Padua and Khorana scores for TE events in lymphoma patients.
- To develop a novel, lymphoma-specific risk prediction model for TE events.
Main Methods:
- Retrospective review of medical records for 1820 lymphoma patients diagnosed and treated between January 2006 and December 2014.
- Multivariate analysis to identify independent predictors of TE events.
- Development and validation of the Thrombosis Lymphoma (ThroLy) score based on significant risk factors.
Main Results:
- The study included 1820 lymphoma patients; 5.4% experienced at least one TE event within 3 months of therapy completion.
- Key independent predictors of TE events included prior VTE/arterial events, reduced mobility, obesity, extranodal involvement, mediastinal mass, neutropenia during therapy, and low hemoglobin levels.
- The developed ThroLy score effectively stratified patients into low, intermediate, and high-risk categories for TE, with a 65.2% positive predictive value for the high-risk group.
Conclusions:
- The Thrombosis Lymphoma (ThroLy) score is a novel, dynamic tool for identifying lymphoma patients at high risk of thromboembolic complications.
- This score can assist clinicians in tailoring preventative strategies and managing thrombosis risk throughout different phases of lymphoma treatment.
- The ThroLy score offers a practical and accessible method for risk stratification, not limited to specific settings or complex analyses.
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