Application of Upper Extremity Radionuclide Venography as a Diagnostic Approach for Port-A Catheter Thrombosis

To investigate the role of upper extremity radionuclide venography as a potential diagnostic modality in the assessment of venous thrombosis associated with a Port-A catheter. Fourteen symptomatic patients who had received Port-A catheter implantation were enrolled. A dynamic nuclear medicine flow s...

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Bibliographic Details
Published in:Journal of the Chinese Medical Association 2006-08, Vol.69 (8), p.358-363
Main Authors: Wang, Yuh-Feng, Cherng, Shiou-Chi, Chiu, Jainn-Shiun, Su, Yu-Cheih, Sheu, Yu-Tsan
Format: Article
Language:English
Subjects:
Adult
Aged
Arm - blood supply
Catheterization, Central Venous - adverse effects
Female
Humans
Male
Middle Aged
Phlebography - methods
radionuclide angiography
Radionuclide Angiography - methods
Subclavian Vein
thrombosis
upper extremity
vascular access port
Venous Thrombosis - diagnostic imaging
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Summary:To investigate the role of upper extremity radionuclide venography as a potential diagnostic modality in the assessment of venous thrombosis associated with a Port-A catheter. Fourteen symptomatic patients who had received Port-A catheter implantation were enrolled. A dynamic nuclear medicine flow study was performed with intravenous administration of Technetium-99m macroaggregated albumin to both upper extremities. Imaging patterns of the venous system were categorized as patency, partial obstruction, and total occlusion. The findings of the dynamic images clearly demonstrated clinical problems. Three patients were free of a definite venous flow change. Three patients had partial obstruction of venous return. A significant cut-off of venous return was demonstrated in 8 patients, and total occlusions were hence diagnosed. All patients underwent this procedure smoothly without any complication. These results suggest that upper extremity radionuclide venography is an easily performed and effective method for diagnosing Port-A catheter thrombosis in clinical practice.
ISSN:1726-4901
1728-7731
DOI:10.1016/S1726-4901(09)70273-4