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Computational Hemodynamics in Cerebral Aneurysms: The Effects of Modeled Versus Measured Boundary Conditions

Clinical practice rarely accommodates the requirements of a rigorous numerical study, leading to assumptions that may adversely affect the numerical predictions. Thus, patient-specific flow measurements to be used as boundary conditions in blood flow predictions are often unavailable in clinical practice. In collaboration with two leading universities (EPFL-Lausanne, UPF-Barcelona) and Philips Medical Systems (contact: Clinical Scientist), we went through the challenges of measuring flow in the cerebral arteries of aneurysm patients, finding that assumptions made in absence of these do not affect significantly the intraneurysmal haemodynamics. The quality of the publishing Journal demonstrates the significance of these findings.