Release date: 2014-08-25
Xinhua News Agency, Tokyo, August 21 (Reporter Lan Jianzhong) The research team at Tohoku University in Japan has announced that they have developed a new method of using ultrasound to illuminate the heart to promote the formation of capillaries, which may help treat angina.
The researchers used different ultrasounds to illuminate human vascular endothelial cells cultured in the laboratory and found the most appropriate ultrasound exposure conditions for newly generated blood vessels. They used ultrasound to illuminate the heart of pigs with ischemic heart disease and found that after repeated exposure to ultrasound for a specific period of time, the capillaries in the ischemic part of the pig's heart increased, and the blood flow and contractility of the heart muscle were improved.
Angina pectoris is caused by insufficient blood supply to the coronary arteries. It is mainly characterized by paroxysmal chest pain or chest discomfort caused by acute myocardial ischemia, transient ischemia and hypoxia. In the treatment of angina pectoris, in addition to medical treatment, it is also possible to put a stent into the stent or perform a bypass surgery, but this will impose a greater burden on the patient's body.
At present, the field of ultrasonic application is relatively wide, and the burden on the human body is small, and the safety has been confirmed. The research team believes that this research may help to find new ways to treat angina, and relevant clinical trials have begun.
Source: China Science and Technology Network - Technology Daily
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