Enhancing students understanding of cardiac physiology by using 4D visualizationVise andre og tillknytning
2023 (engelsk)Inngår i: Clinical anatomy (New York, N.Y. Print), ISSN 0897-3806, E-ISSN 1098-2353, Vol. 36, nr 3, s. 542-549Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]
Difficulties in achieving knowledge about physiology and anatomy of the beating heart highlight the challenges with more traditional pedagogical methods. Recent research regarding anatomy education has mainly focused on digital three-dimensional models. However, these pedagogical improvements may not be entirely applicable to cardiac anatomy and physiology due to the multidimensional complexity with moving anatomy and complex blood flow. The aim of this study was therefore to evaluate whether high quality time-resolved anatomical images combined with realistic blood flow simulations improve the understanding of cardiac structures and function. Three time-resolved datasets were acquired using time-resolved computed tomography and blood flow was computed using Computational Fluid Dynamics. The anatomical and blood flow information was combined and interactively visualized using volume rendering on an advanced stereo projection system. The setup was tested in interactive lectures for medical students. Ninety-seven students participated. Summative assessment of examinations showed significantly improved mean score (18.1 +/- 4.5 vs 20.3 +/- 4.9, p = 0.002). This improvement was driven by knowledge regarding myocardial hypertrophy and pressure-velocity differences over a stenotic valve. Additionally, a supplementary formative assessment showed significantly more agreeing answers than disagreeing answers (p < 0.001) when the participants subjectively evaluated the contribution of the visualizations to their education and knowledge. In conclusion, the use of simultaneous visualization of time-resolved anatomy data and simulated blood flow improved medical students results, with a particular effect on understanding of cardiac physiology and these simulations may be useful educational tools for teaching complex anatomical and physiological concepts.
sted, utgiver, år, opplag, sider
WILEY , 2023. Vol. 36, nr 3, s. 542-549
Emneord [en]
4D CT; blood flow simulations; cardiac physiology; computational fluid dynamics; medical education
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-192327DOI: 10.1002/ca.24009ISI: 000928835800001PubMedID: 36695446OAI: oai:DiVA.org:liu-192327DiVA, id: diva2:1743343
Merknad
Funding Agencies|Hjaert-Lungfonden; Vetenskapsradet; VINNOVA; Swedish Research Council
2023-03-142023-03-142024-03-01