Can Rotational Thromboelastometry be a New Predictive Tool for Retinal Vein Occlusion Development?

Area of Science:

• Ophthalmology
• Hematology
• Medical Diagnostics

Background:

• Retinal vein occlusion (RVO) is a significant cause of vision loss.
• Understanding the hypercoagulable state in RVO is crucial for diagnosis and management.
• Rotational thromboelastometry (ROTEM) is a tool for assessing blood clotting dynamics.

Purpose of the Study:

• To evaluate the utility of rotational thromboelastometry (ROTEM) in assessing clotting dynamics in patients with retinal vein occlusion (RVO).

Main Methods:

• Thirty-six RVO patients and 43 healthy controls were enrolled, excluding those with diabetes or on anticoagulant therapy.
• Standard ophthalmologic and systemic examinations were performed, including blood tests for coagulation parameters.
• Peripheral blood samples were analyzed using the ROTEM Coagulation Analyzer.

Main Results:

• No significant differences were observed between RVO patients and controls in age, sex, or standard coagulation parameters (PT, aPTT, fibrinogen, D-dimer).
• ROTEM analysis showed significantly decreased clotting time (CT) and clot formation time (CFT) in RVO patients compared to controls (p=0.01 for both).
• Other ROTEM parameters did not differ between the two groups.

Conclusions:

• Patients with RVO exhibit altered clotting dynamics, characterized by faster clotting and clot formation, as detected by ROTEM.
• ROTEM may serve as a valuable tool for elucidating RVO pathophysiology.
• Further research is warranted to explore ROTEM's potential as a screening or diagnostic test for RVO and hypercoagulable states.