ERIC Number: EJ1115669
Record Type: Journal
Publication Date: 2016
Abstractor: As Provided
Endovascular Device Testing with Particle Image Velocimetry Enhances Undergraduate Biomedical Engineering Education
Nair, Priya; Ankeny, Casey J.; Ryan, Justin; Okcay, Murat; Frakes, David H.
Journal of STEM Education: Innovations and Research, v17 n3 p39-46 Jul-Sep 2016
We investigated the use of a new system, HemoFlow™, which utilizes state of the art technologies such as particle image velocimetry to test endovascular devices as part of an undergraduate biomedical engineering curriculum. Students deployed an endovascular stent into an anatomical model of a cerebral aneurysm and measured intra-aneurysmal flow velocities with HemoFlow™ before and after. The measurements were used as a basis for teaching biofluid mechanical principles. A detailed survey-based evaluation was administered before and after the curriculum. The pre- and post-survey passed reliability testing with Cronbach's alphas of 0.79 and 0.78, respectively. Further, the survey passed validity testing as questions testing the same latent variable factored together with weights all above 0.4. There was a statistically significant improvement in understanding according to a Wilcoxon signed ranks test. Our results indicate that using HemoFlow™ for endovascular device testing in an active learning-based curriculum improved student understanding of biofluid mechanics.
Descriptors: Engineering Education, Biomedicine, Undergraduate Students, Pretests Posttests, Student Surveys, Engineering Technology, Teaching Methods, Instructional Effectiveness, Test Reliability, Surgery, Statistical Analysis, Factor Analysis
Institute for STEM Education and Research. P.O. Box 4001, Auburn, AL 36831. Tel: 334-844-3360; Web site: http://www.jstem.org
Publication Type: Journal Articles; Reports - Research; Tests/Questionnaires
Education Level: Higher Education; Postsecondary Education
Sponsor: National Science Foundation (NSF)
Authoring Institution: N/A
Grant or Contract Numbers: 1151232