Oftalmologia (Bucharest, Romania : 1990) · 2010
[Carotid-cavernous fistulas of low-flow type: color Doppler imaging of retrobulbar vessels findings].
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Jianu D C, Jianu Silviana Nina
Аннотация
BACKGROUND: Carotid-cavernous fistulas (CCF) of low-flow type are the results of development of communication between small arteries and veins of cavernous sinus.
PURPOSE: To assess the role of CDI of retrobulbar vessels in the study of two patients with CCF of low-flow type.
METHODS: We have used a sonographer with 9MHz linear probe.
RESULTS: . The initial diagnosis was suspected clinically: both patients presented unilateral chemosis and orbital bruit. It was sustained by CDI of retrobulbar vessels: reversed flow in the superior ophthalmic vein, with a venous arterialisation and confirmed with complete selective digital substraction angiography, which is essential for a correct diagnosis(early opacification of veins draining cavernous sinus, etc).
CONCLUSIONS: CDI of retrobulbar vessels is a repetitive non-invasive technique, which is used for monitoring carotid-cavernous fistulas of low-flow type, because they are sometimes a self-limiting pathology (spontaneous venous thrombosis).
PURPOSE: To assess the role of CDI of retrobulbar vessels in the study of two patients with CCF of low-flow type.
METHODS: We have used a sonographer with 9MHz linear probe.
RESULTS: . The initial diagnosis was suspected clinically: both patients presented unilateral chemosis and orbital bruit. It was sustained by CDI of retrobulbar vessels: reversed flow in the superior ophthalmic vein, with a venous arterialisation and confirmed with complete selective digital substraction angiography, which is essential for a correct diagnosis(early opacification of veins draining cavernous sinus, etc).
CONCLUSIONS: CDI of retrobulbar vessels is a repetitive non-invasive technique, which is used for monitoring carotid-cavernous fistulas of low-flow type, because they are sometimes a self-limiting pathology (spontaneous venous thrombosis).