Prior to the air pressure test, a trial test shall be carried out using air or other nontoxic and incombustible gas.

气体压力试验时，必须用空气或其他无毒、可燃气体介质进行预试验。

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Inhalation of H2 gas at incombustible levels during ischemia and reperfusion reduces infarct size without altering hemodynamic parameters, thereby preventing deleterious left ventricular remodeling.

因此，在冠脉血运重建时，氢气吸入将成为一种减轻缺血再灌注损伤的非常有希望的措施。

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