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为了解肝炎后肝硬化患者手术前后动脉血氧分压变化以及氧疗法对其动脉、门静脉和周围静脉血氧分压的影响，作者对32例肝炎后肝硬化患者和8例非肝病患者吸氧前后桡动脉、门静脉和周围静脉血氧分压进行检测。结果：①肝炎后肝硬化组术后动脉氧分压低于术前；②肝硬化组门静脉氧分压高于对照组，且与桡动脉血氧分压呈正相关；③肝硬化组肝功能分级和门静脉压力与桡动脉、门静脉氧分压无明显关系；④肝硬化组吸氧后门静脉、桡动脉和周围静脉血氧分压均增高。结论：肝炎后肝硬化门脉高压症患者术后有明显的低氧血症，氧疗法可提高动脉和门静脉血氧分压。因此，术后吸氧应成为肝炎后肝硬化患者的常规疗法。
To understand the changes of arterial partial pressure of oxygen in patients with posthepatitic cirrhosis and the effects of oxygen therapy on arterial, portal and peripheral venous partial pressure of oxygen in patients with posthepatitic cirrhosis, 32 patients with posthepatitic cirrhosis and 8 non- Before and after the radial artery, portal vein and peripheral venous oxygen partial pressure were detected. Results: ①Postoperative arterial oxygen pressure in patients with posthepatitic cirrhosis was lower than preoperative; ② The partial pressure of oxygen in the portal vein of patients with cirrhosis was higher than that in the control group, and was positively correlated with the partial pressure of oxygen in the radial artery; ③The liver function grading and There was no significant relationship between portal vein pressure and radial artery and portal vein oxygen partial pressure. (4) After oxygen inhalation, the partial pressure of oxygen in portal vein, radial artery and peripheral vein of patients with cirrhosis increased. Conclusion: Postoperative hepatic cirrhosis and portal hypertension in patients with obvious hypoxemia, oxygen therapy can increase arterial and portal oxygen pressure. Therefore, postoperative oxygen should become a routine treatment of patients with posthepatitic cirrhosis.