Liver Int:在急性肝衰竭中由计算机断层扫描确定的肝体积的临床和预后相关性

2018-09-15 MedSci MedSci原创

在ALF/ALI患者中,LV可因病原而显示出不同变化,在疾病预后方面,具有预测作用。在不确定的和由DILI导致的病例中,体积减到小于1000厘米(3)可能表明不可逆的肝损伤和再生失败,并作为作为脑病和死亡发展的早期临床预测因子。

研究背景:肝体积(LV)可从计算机断层扫描(CT)图像的分析中确定,在急性肝损伤(ALI)或急性肝衰竭(ALF)患者中,它可反映肝结构损伤与肝再生的平衡。本研究分析了肝脏体积与肝损伤、肝功能和组织病理学间的相关性,以及预测并发症和死亡的效用。

研究方法:本研究纳入273例ALF/ALI患者。199例患者(73%)存在非对乙酰氨基酚(NA)病因,74例(27%)存在对乙酰氨基酚引起的疾病。LV和预测LV的比例(PLV%)由入院CT成像决定。

研究结果:当病原学组间进行比较时,LV和PLV%显示出明显的变化,包括:因不确定原因而造成的损失 (LV 939 cm3 [IQR 680-1259], PLV% 56% [42-84])和 Budd-Chiari 综合症的增加 (1891 cm3 [1601-2094], 121% [111-131])。LV和PLV较低的患者中,患者疾病进展到高危险水平脑病更为常见。小于1000cm3的阈值,确定NA患者发病前5天的特异性为93%(95%CI 83-98)和优势比为10.6(3.3-34.5);在NA-药物诱发(DILI)或不确定病因的患者中,死亡风险的特异性为91%(71-99)和敏感性为63%(50-75)。

研究结论:在ALF/ALI患者中,LV可因病原而显示出不同变化,在疾病预后方面,具有预测作用。在不确定的和由DILI导致的病例中,体积减到小于1000厘米(3)可能表明不可逆的肝损伤和再生失败,并作为作为脑病和死亡发展的早期临床预测因子。

原始出处

Zabron A, Quaglia A, Fatourou E, et al. Clinical and prognostic associations of liver volume determined by computed tomography in acute liver failure. Liver Int, 2018, 38(9), 1592-1601.

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    2018-09-16 liumin1987

    嗯嗯,学习了。

    0

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