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[Venography with 111Indium-labelled autologous thrombocytes]
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|January 1, 1983
Summary
Radionuclide venography using 111Indium-labelled thrombocytes accurately detects various thrombi. This method differentiates thrombotic activity and occlusions, offering advantages over microsphere venography.
Area of Science:
- Nuclear Medicine
- Vascular Imaging
- Hematology
Background:
- Thrombus detection is crucial for managing vascular diseases.
- Conventional venography has limitations in assessing thrombotic activity.
Purpose of the Study:
- To evaluate the efficacy of 111Indium-labelled thrombocytes in radionuclide venography for thrombus detection.
- To compare the diagnostic accuracy and information provided by labelled thrombocytes versus labelled microspheres.
Main Methods:
- Ten patients underwent radionuclide venography using 111Indium-labelled thrombocytes.
- Injection of labelled thrombocytes was performed distally to enhance visualization.
- Thrombi were identified based on tracer uptake and distribution patterns.
Main Results:
- Radionuclide venography with 111Indium-labelled thrombocytes demonstrated high accuracy in detecting all thrombus types.
- Distal injection improved visualization, with complete occlusions appearing as 'hot spots'.
- The method differentiated non-occluding thrombi with thrombogenic surfaces from endothelial lesions and assessed thrombotic activity.
Conclusions:
- 111Indium-labelled thrombocyte venography is a highly accurate imaging technique for thrombus detection.
- This method provides superior information on thrombotic process activity compared to labelled microsphere venography.
- It offers a valuable tool for diagnosing and characterizing venous thrombosis.