Intraoperative cerebral angiosonography with ultrasound

Acta neurochirurgica · Jun 2015

Intraoperative cerebral angiosonography with ultrasound contrast agents: how I do it.

Intraoperative vessel visualization is highly desirable, especially when the target is related to or close to main vessels, such as in the skull base and vascular surgery. Contrast-enhanced ultrasound (CEUS) is an imaging technique that allows visualization of tissue perfusion and vascularization through the infusion of purely intravascular ultrasound contrast agents (UCA). ⋯ Real-time intraoperative ASG is a rapid, reliable, repeatable method for vessel visualization and evaluation of tissue perfusion.

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- Francesco Prada, Massimiliano Del Bene, Marco Saini, Paolo Ferroli, and Francesco DiMeco.
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico C. Besta, via Celoria 11, 20133, Milan, Italy, francesco.prada@istituto-besta.it.
- Acta Neurochir (Wien). 2015 Jun 1; 157 (6): 1025-9.
BackgroundIntraoperative vessel visualization is highly desirable, especially when the target is related to or close to main vessels, such as in the skull base and vascular surgery. Contrast-enhanced ultrasound (CEUS) is an imaging technique that allows visualization of tissue perfusion and vascularization through the infusion of purely intravascular ultrasound contrast agents (UCA).MethodsAfter cerebral scanning with B-mode ultrasound (US) CEUS is performed, UCA are injected and insonated with low mechanical index US. A UCA-specific harmonic signal is transduced using a contrast-specific algorithm to obtain real-time angiosonography (ASG).ConclusionsReal-time intraoperative ASG is a rapid, reliable, repeatable method for vessel visualization and evaluation of tissue perfusion.

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Intraoperative cerebral angiosonography with ultrasound contrast agents: how I do it.

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