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对17例不存在(Ⅰ组)和25例存在(Ⅱ组)CO_2潴留的患者研究了二氧化碳通气当量(VECO_2)与高CO_2刺激反应的关系。结果表明,虽然两组患者VECO_2均与CO_2敏感性密切相关,但只有Ⅱ组患者VECO_2与CO_2反应性相关非常显著。提示VECO_2除与呼吸中枢敏感性和反应性有关外,还受呼吸器官机械障碍的影响。
The relationship between carbon dioxide aeration equivalence (VECO 2) and high CO 2 stimulation was investigated in 17 patients with absence of CO 2 (group Ⅰ) and 25 patients with CO 2 retention (group Ⅱ). The results showed that although the VECO_2 in both groups was closely related to the CO_2 sensitivity, only the VECO_2 in group Ⅱ was significantly correlated with the CO_2 reactivity. Tip VECO_2 in addition to the respiratory center sensitivity and reactivity, but also by mechanical effects of respiratory disorders.