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Published on: February 23, 2020
AngioSuite: an accurate method to calculate aneurysm volumes and packing densities
Keith Woodward1, David A Forsberg
1Cascade Medical, Knoxville, Tennessee, USA.
Objective:
AngioSuite was developed to allow the easy and accurate calculation of cerebral aneurysm volumes and packing densities. The present study was undertaken to validate its accuracy.
Methods:
Mathematical models and software were created to facilitate more complex aneurysm volume calculations than previously described three-dimensional geometric models. 20 phantom aneurysm clay models were created and analyzed (length, width, depth and volume) using angiographic mathematical modeling (AngioSuite), geometric modeling (AngioCalc) and three-dimensional volume reconstructions from the vendor's Leonardo workstation (Siemens).
Results:
The mean volumes of all phantoms analyzed by the AngioSuite system differed from true volumes by an average of 2.2%. Mean volumes of all phantoms analyzed by the AngioCalc system differed from true volumes by an average of 11.3%. Mean volumes obtained from the Leonardo workstation windowed for best appearance differed by an average of 5.18%.
Conclusions:
The AngioSuite software system provides an accurate means of calculating aneurysm volumes. Typical packing densities (40% or less) are thus accurate within ±1%. Angiographic mathematical modeling with AngioSuite is more accurate than geometric modeling and three-dimensional volume reconstructions windowed for best appearance (Leonardo).
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