Hyperbaric oxygen therapy is breathing pure oxygen in an environment above atmospheric pressure, which is called hyperbaric oxygen therapy. Ordinary oxygen inhalation is under atmospheric pressure, and the inhaled oxygen is not pure oxygen. The concentration and pressure of oxygen are small, and the effect is not as good as that of hyperbaric oxygen. The commonly used pressure unit in clinic is absolute pressure.
high pressure oxygen
Therapeutic mechanism
1, increase oxygen partial pressure, increase blood oxygen and tissue oxygen content;
2. Improve the diffusion speed and effective diffusion distance of oxygen;
3. Under hyperbaric oxygen, cerebral vessels contract, cerebral blood flow decreases, brain edema decreases, and intracranial pressure decreases accordingly;
4. Brain tissue is rich in blood vessels. Hyperbaric oxygen can not only promote collateral circulation to protect nerve cells in ischemic penumbra, but also form a large number of microvessels to repair some pathological cerebrovascular diseases.
5. Prevent thrombosis and promote thrombus absorption;
6. Improve brain metabolism and restore brain function;
7. Awakening effect: Hayakwa test of 1974 proved that the blood flow of vertebral artery increased by 18% under the oxygen pressure of 2000 kpa, which made the oxygen pressure of brainstem reticular structure system increase, which was beneficial to the upward activation of the system and promoted the awakening and functional activities of life center;
8. Hyperbaric oxygen therapy can correct metabolic disorder in time, prevent myocardial ischemia, hypoxia, pulmonary edema and pulmonary infection, improve liver and kidney function, promote detoxification and urination, maintain water and electrolyte balance, and improve nutrition. , and is conducive to improving the overall defense function of the body.
major function
First, the pressure effect: when the pressure in the body increases, its volume will shrink. Narrow the infarct area; Helps dissolve bubbles in the blood.
Second, the effect of pressure on vasoconstriction: Hyperbaric oxygen has the effect of α -adrenalin to make blood vessels constrict, reduce local blood volume, which is beneficial to brain edema and reduce edema after burn or crush injury. It should be noted that although the local blood supply decreases, the amount of oxygen brought into the tissue through blood increases.
Third, antibacterial effect: oxygen itself is a broad-spectrum antibiotic, which not only resists anaerobic bacteria, but also resists aerobic bacteria.