AJDRAJNR - American Journal of Neuroradiology

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Can Neck Size in Elastase-Induced Aneurysms Be Controlled? A Prospective Study

Yong Hong Ding, Daying Dai, Debra A. Lewis, Mark A. Danielson, Ramanathan Kadirvel, Jayawant N. Mandrekar, Harry J. Cloft and David F. Kallmes

Departments of Radiology and Health Sciences Research Division of Biostatistics, Mayo Clinic, Rochester, MN



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  		FIG 1. Group 1 subject (low balloon position).

A, Anteroposterior (AP) spot film obtained during aneurysm creation surgery. The RCCA is opacified with the elastase/iodinated contrast mixture. Note that the inflated balloon is completely in right subclavian artery and brachiocephalic artery (black arrow).

B, Intra-arterial digital subtraction angiogram, right anterior oblique view, demonstrating a wide-necked aneurysm (white arrow). Neck size is 5.3 mm.



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  		FIG 2. Group 2 subject (high balloon position).

A, AP spot film obtained during aneurysm creation surgery. The RCCA is opacified with the elastase/iodinated contrast mixture. Note that a small portion of the inflated balloon has herniated into the proximal RCCA (black arrow).

B, Intra-arterial digital subtraction angiogram, right anterior oblique view, demonstrating a narrow-neck aneurysm (white arrow). Neck size is 1.9 mm.





Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X