Prof. Rongjia Tao Profile

Prof. Rongjia Tao

at Temple Univ

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Proceedings Article | 8 March 2019 Presentation

Reducing blood viscosity and suppressing turbulence with magnetic field to prevent heart attack and stroke (Conference Presentation)

Rongjia Tao

Proceedings Volume 10926, 1092605 (2019) https://doi.org/10.1117/12.2513233

KEYWORDS: Blood, Turbulence, Heart, Magnetism, Blood circulation, Medicine, Vascular diseases, Blood vessels, Clinical trials

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Heart attacks and strokes are the leading causes of death in USA. Research indicates that high blood viscosity and turbulence in blood circulation are the keys to trigger these vascular diseases. High blood viscosity and turbulence place much heavier work load on the heart. Turbulence in blood circulation can further rapture blood vessels and develop atherosclerotic plaque. Therefore, reducing blood viscosity and suppressing turbulence is the key to prevent heart attacks and strokes. On the other hand, these two tasks conflict each other. Presently, the only method to reduce the blood viscosity is to take medicine, such as aspirin. However, besides of heavy side effect, using medicine to reduce the blood viscosity only makes the turbulence worse because the Reynolds number goes up with the viscosity reduction. Moreover, neither medicine nor method is available presently to suppress turbulence in blood circulation. Here we report our new discovery with magnetorheology (MR): application of a strong magnetic field to blood along its flow direction, red blood cells are polarized in the magnetic field and aggregated into short chains along the flow direction. The blood viscosity becomes anisotropic: Along the flow direction the viscosity is significantly reduced, but in the directions perpendicular to the flow the viscosity is considerably increased. In this way, the blood flow becomes laminar, turbulence is suppressed, the blood circulation is greatly improved, and the risk for heart attacks is reduced. While these effects are not permanent, they last for about 24 hours after one magnetic therapy treatment. Our lab experiments and tests with mice confirm that this technology can successfully prevent development of atherosclerotic plaque. Our clinical trials further confirm that this MR technology can effectively cure hypertension for human and help people to prevent heart attack and stroke.

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