Abstract
The authors evaluated the embolization effects on experimental aneurysm models with a liquid material. This material is a mixture of poly (HEMA-co-MMA), Iopamidol, water and a small amount of ethyl alcohol. We have satisfactorily treated over 30 cases of AVM with this material. Out of four solutions of different viscosity, we used the solution with the highest viscosity to prevent distal migration of the mixture. Glass models of aneurysms of 5 mm in diameter in pulsatile saline flow were embolized with the mixture under various conditions. When an IDC was placed in the aneurysm models, the mixture obliterated them completely and did not migrate out from the aneurysm models. In this experimental study, it is suggested that the liquid material appears to be useful in embolizing cerebral aneurysms safely.
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