Limb disturbance due to abnormal tension of muscle after cerebral infarction as the main symptoms and signs,are affected in patients with motor function and quality of life of the main factors at a higher percentage of disability,especially difficult to restore,so its treatment particularly important.

Evaluation of cardiac contractility and relaxation during no-reflow phenomenon by the combination of Doppler tissue imaging with myocardial contrast echocardiography;

The interaction between nitric oxide and hydrogen sulfide on the relaxation reactivity of pulmonary arteries in rats;

The influence of increased pulmonary blood flow and long course of nebulized inhalation of nitroglycerin on the relaxation activity of rat′s pulmonary arteries;