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Trends in Incidence of Autoimmune Liver Diseases and Increasing Incidence of Autoimmune Hepatitis
Clinical Gastroenterology and Hepatology ( IF 12.6 ) Pub Date : 2020-06-08 , DOI: 10.1016/j.cgh.2020.05.061
Mehul Lamba 1 , Jing Hieng Ngu 1 , Catherine A M Stedman 2
Affiliation  

Background & Aims

Autoimmune hepatitis (AIH), primary biliary cholangitis (PBC), and primary sclerosing cholangitis (PSC) are autoimmune liver diseases of unknown etiology. We studied trends in incidences of AIH, PBC, and PSC in a population-based prospective study Canterbury, New Zealand.

Methods

We collected data on patients with AIH (n = 99), PBC (n = 26), or PSC (n = 47) from public hospitals and private practices in Canterbury from 2008 through 2016. Diagnoses were made based on international standardized criteria. We calculated incidence rates for the time periods of 2008–2010, 2011–2013, and 2014–2016 and compared them using 2-tailed mid-P exact tests.

Results

Overall incidence rates were 1.93 per 100,000 for AIH (95% CI, 1.58–2.34), 0.51 per 100,000 for PBC (95% CI, 0.33–0.73), and 0.92 per 100,000 for PSC (95% CI, 0.68–1.21). The incidence of AIH was significantly higher during the period of 2014–2016 (2.39 per 100,000; 95% CI, 1.76–3.23) than during the period of 2008–2010 (1.37 per 100,000; 95% CI, 0.91– 2.06) (P < .05). Incidences of PBC and PSC did not change significantly. In 2016, prevalence values were 27.4 per 100,000 for AIH (95% CI, 23.58–32.0), 9.33 per 100,000 for PBC (95% CI, 7.13–12.05), and 13.17 per 100,000 for PSC (95% CI, 10.56–16.42).

Conclusions

In a population-based prospective study, we found that the incidence of AIH was significantly higher in the 2014–2016 period than the 2008–2010 period; incidences of PBC and PSC were unchanged over the same period. Further studies are needed to determine the reasons for changes in incidence of autoimmune liver diseases.



中文翻译:

自身免疫性肝病发病率和自身免疫性肝炎发病率增加的趋势

背景与目标

自身免疫性肝炎 (AIH)、原发性胆汁性胆管炎 (PBC) 和原发性硬化性胆管炎 (PSC) 是病因不明的自身免疫性肝病。我们在新西兰坎特伯雷的一项基于人群的前瞻性研究中研究了 AIH、PBC 和 PSC 发病率的趋势。

方法

我们收集了 2008 年至 2016 年坎特伯雷公立医院和私人诊所的 AIH(n = 99)、PBC(n = 26)或 PSC(n = 47)患者的数据。根据国际标准化标准进行诊断。我们计算了 2008-2010、2011-2013 和 2014-2016 时间段的发病率,并使用 2-tailed mid-P 精确检验进行比较。

结果

AIH 的总发病率为每 100,000 人 1.93(95% CI,1.58-2.34),PBC 的总发病率为每 100,000 人 0.51(95% CI,0.33-0.73),PSC 的总发病率为每 100,000 人 0.92(95% CI,1.58-2.34)。比在2008 - 2010年期间;(95%CI,1.76-3.23 2.39每100,000)AIH的发病率在2014至2016年的时期是显著更高(1.37每100,000; 95%CI,2.06 0.91-)(P < .05)。PBC 和 PSC 的发生率没有显着变化。2016 年,AIH 的患病率为每 100,000 人 27.4(95% CI,23.58-32.0),PBC 为每 100,000 人 9.33(95% CI,7.13-12.05),13.17 每 100,58-32.05 人(PSC 13.17)(95% CI,23.58-32.0) )。

结论

在一项基于人群的前瞻性研究中,我们发现 2014-2016 年期间 AIH 的发病率显着高于 2008-2010 年期间;同期 PBC 和 PSC 的发生率没有变化。需要进一步的研究来确定自身免疫性肝病发病率变化的原因。

更新日期:2020-06-08
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