Abstract:Background During diagnostic cerebral angiography, the contrast bolus injected into a vessel can cause substantial changes in baseline pressures and flows. One potential, and serious complication is the re-rupture of aneurysms due to these injections. The goals of this in vitro study were to evaluate the effect of injection conditions on intraneurysmal pressure changes during angiography. Methods A silicone replica of a complete circle of Willis model with ophthalmic, anterior communicating, and basilar tip an… Show more
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