Hepatology :小儿肠衰竭肠外营养治疗需警惕肝损伤

2014-02-11 佚名 不详

小儿胃肠衰竭是多器官功能障碍综合征的一种,是极其危险的危重疾病的综合征之一。肠外营养是胃肠道功能障碍或衰竭者常见的支持疗法。近期,发表在 Hepatology 的一项研究旨在评价小儿肠衰竭(IF)及肠外营养治疗对肝脏组织学的长期影响。 研究设计 对38例小儿肠衰竭患者(平均年龄:11.6岁,0.2-27岁)进行肝活检,胃镜,腹部超声和实验室检查。肠外营养(PN)74个月(2.5-204个月)后

小儿胃肠衰竭是多器官功能障碍综合征的一种,是极其危险的危重疾病的综合征之一。肠外营养是胃肠道功能障碍或衰竭者常见的支持疗法。近期,发表在 Hepatology 的一项研究旨在评价小儿肠衰竭(IF)及肠外营养治疗对肝脏组织学的长期影响。

研究设计

对38例小儿肠衰竭患者(平均年龄:11.6岁,0.2-27岁)进行肝活检,胃镜,腹部超声和实验室检查。肠外营养(PN)74个月(2.5-204个月)后,16例患者仍进行PN.PN 35个月(范围0.7-250 )之后,22例患者终止PN 8.8年(范围0.3-27)。15例移植供肝作为对照。

研究结果

94%的PN患者及77%的停止PN患者出现肝脏组织学异常(P = 0.370)。PN期间,肝组织学显示胆汁淤积(38%的PN患者:0%的终止PN患者,P = 0.003)和门脉炎症(38%:9%,P = 0.050)。终止PN期间及之后也同样常见肝纤维化( 88 %:64 %,P = 0.143 ; METAVIR期:1.6 [0-4]:1.1 [0-2] ,P = 0.089 )和脂肪肝( 50 %:45 %,P = 1.000 )。终止PN期间的血浆丙氨酸氨基转移酶( 78 U / L [19-204 ]:34 U / L [9-129 ] ,P = 0.009),结合胆红素( 43 μmol/ L [1-215 ]:4 [1 -23 ] ,P = 0.037 )均显著高于终止PN后。终止PN后发生食管静脉曲张1例。Metavir 期与与小肠长度( P = 0.002 R = -0.486 )及发作次数(r = 0.480 ,P = 0.002)相关。多变量分析显示,年龄调整后的小肠长度( ? = -0.533 ,P = 0.001),门脉炎症( ? = 0.291 ,P = 0.030 ),缺乏回盲瓣( ? = 0.267 ,P = 0.048 )可预测肝纤维化分期。

结论

终止PN后虽然能消除胆汁淤积和门脉炎症,但会持续出现明显纤维化和脂肪变性。广泛小肠切除是肝纤维化分期的主要预测因子。

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    2014-02-13 gwc384