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目的：观察血清ＳＩｇＡ水平对肝硬化及肝功能分级的临床意义。方法：用放射免疫法对１０９例肝硬化患者进行血清ＳＩｇＡ检测。结果：肝硬化患者血清ＳＩｇＡ水平较对照组明显升高，有显著差异（Ｐ＜０．００１），不同肝功能分级的肝硬化患者血清ＳＩｇＡ水平也存在着差异，血清ＳＩｇＡ对肝硬化的阳性检出率为８１．６５％。结论：血清ＳＩｇＡ水平对肝硬化有较高的敏感性，是反映肝硬化及其病变程度的重要指标。
Objective: To observe the clinical significance of serum SIgA level in the classification of liver cirrhosis and liver function. Methods: Serum SIgA was detected in 109 patients with cirrhosis by radioimmunoassay. Results: The level of serum SIgA in patients with cirrhosis was significantly higher than that in the control group (P <0.001). The levels of serum SIgA in cirrhotic patients with different liver function grades also differed. The positive rate of SIgA in cirrhosis The rate is 81.65%. Conclusion: Serum SIgA level has a high sensitivity to cirrhosis and is an important index to reflect the degree of cirrhosis and its pathological changes.