Shenfu Injection Improves Arterial Vascular Reactivity

Septic Shock, Shenfu, Vascular Reactivity

Septic shock is a common and critical illness in ICU.The vascular dysfunction of septic shock is manifested by vasospasm and decreased arterial vascular reactivity . Current studies have shown that the main mechanisms of vasospasm and decreased arterial vascular reactivity include increased vasospasm and down-regulation of receptor sensitivity , and eventually cause a decrease in vascular smooth muscle contractility.A large number of vasodilators are released during septic shock, in which inducible nitric oxide synthase (iNOS) and prostacyclin (PGI2) are important vasodilators leading to septic shock vasospasm.At present, vasoactive drugs are widely used in clinically to improve vascular tone and are important means of circulation support. However, when the infection is heavier, the reactivity of the blood vessels to the vasoactive drugs is lowered, and it is difficult for the large doses of the vasoactive drugs to maintain the circulation stability. At this time, the use of vasoactive drugs alone does not benefit patients with septic shock and may require the combination of other drugs.From the perspective of Chinese medicine, shock is a disease of yang. Shenfu injection has the effect of rejuvenating the yang and replenishing the qi. This trial was designed to give patients with septic shock the use of Shenfu injection to determine the specific effects of Shenfu injection on vascular reactivity in patients with septic shock.

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