Left Ventricular Flow Analysis: Recent Advances in Numerical Methods and Applications in Cardiac Ultrasound | Zendy

Iman Borazjani | Zendy; John Westerdale | Zendy; Eileen McMahon | Zendy; Prathish K. Rajaraman | Zendy; Jeffrey J. Heys | Zendy; Marek Bělohlávek | Zendy

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Left Ventricular Flow Analysis: Recent Advances in Numerical Methods and Applications in Cardiac Ultrasound

Author(s) -

Iman Borazjani,

John Westerdale,

Eileen McMahon,

Prathish K. Rajaraman,

Jeffrey J. Heys,

Marek Bělohlávek

Publication year - 2013

Publication title -

computational and mathematical methods in medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.462

H-Index - 48

eISSN - 1748-6718

pISSN - 1748-670X

DOI - 10.1155/2013/395081

Subject(s) - blood flow , hemodynamics , ventricle , particle image velocimetry , flow (mathematics) , velocimetry , computational fluid dynamics , ultrasound , medicine , cardiology , computer science , biomedical engineering , mechanics , physics , radiology , turbulence

The left ventricle (LV) pumps oxygenated blood from the lungs to the rest of the body through systemic circulation. The efficiency of such a pumping function is dependent on blood flow within the LV chamber. It is therefore crucial to accurately characterize LV hemodynamics. Improved understanding of LV hemodynamics is expected to provide important clinical diagnostic and prognostic information. We review the recent advances in numerical and experimental methods for characterizing LV flows and focus on analysis of intraventricular flow fields by echocardiographic particle image velocimetry (echo-PIV), due to its potential for broad and practical utility. Future research directions to advance patient-specific LV simulations include development of methods capable of resolving heart valves, higher temporal resolution, automated generation of three-dimensional (3D) geometry, and incorporating actual flow measurements into the numerical solution of the 3D cardiovascular fluid dynamics.

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