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Child-Pugh分期系统

Child-Pugh分期系统
作用常用于预测慢性肝病患者预后,及相关治疗策略的拟定。

Child-Pugh分期系统Child-Pugh Score),是医学上常用于预测慢性肝病患者预后的分期系统,特别是肝硬化。最初此分期系统用于预测手术的死亡率,但现在主要用于预测预后,以及评估进行肝脏移植英语liver transplantation的必要性。

评分机制

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该系统主要以肝脏疾病的五个临床特征作为评分项目,每个项目分为1-3分,分数越高代表越严重[1]

在凝血功能的项目上,凝血酶原时间(prothrombin time,PT)和国际标准化比值(International normalized ratio,INR)应择一使用,不可同时参采。

项目 1分 2分 3分
总胆红素,μmol/L (mg/dL) < 34 (< 2) 34–50 (2–3) > 50 (> 3)
血清白蛋白,g/dL > 3.5 2.8–3.5 < 2.8
凝血酶原时间(PT),秒 < 4.0
4.0–6.0
> 6.0
INR < 1.7 1.7–2.3 > 2.3
腹水 轻度(可用利尿剂治疗) 中度或重度(利尿剂治疗无效)
肝性脑病 第I–II级 第III–IV级

由于原发性硬化性胆管炎(PSC)及原发性胆道性胆管炎英语primary biliary cholangitis(PBC)患者,积累的胆红素会以结合型胆红素(conjugated bilirubin)为主,因此可使用修改版的Child-Pugh分期系统。在此版本,总胆红素的标准数值会有所调整,其余项目皆相同[2][3]

PBC及PSC患者的标准总胆红素数值[2]
项目 1分 2分 3分
总胆红素,μmol/L (mg/dL) <68 (4) 68-170 (4-10) >170 (10)

判读

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Child-Pugh评分可以用于评估慢性肝病的预后,将分数加总后,依总分高低分为A、B、C三期[1]

分数 分期 一年存活率 两年存活率
5–6 A 100% 85%
7–9 B 80% 60%
10–15 C 45% 35%

历史

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1964年,密歇根大学的外科医师及肝高压权威查尔斯·加德纳·蔡尔德(Charles Gardner Child)与耶利米·乔治·特科特(Jeremiah George Turcotte)两人在其合作的教科书首次发表了此分期系统[4]。1972年,伦敦国王学院医学院的R·N·H·普伊(R.N.H. Pugh)等人在一篇探讨食道静脉屈张英语esophageal varices手术切除的论文中,对蔡尔德的系统做出了修改[5]。蔡尔德的原系统中有纳入营养状态,而普伊等人将这个项目替换为凝血酶原时间及INR,并给予每个项目三分作为最后加总[1]

其他分期系统

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参考文献

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  1. ^ 1.0 1.1 1.2 Cholongitas, E; Papatheodoridis, GV; Vangeli, M; Terreni, N; Patch, D; Burroughs, AK. Systematic review: The model for end-stage liver disease--should it replace Child–Pugh's classification for assessing prognosis in cirrhosis?. Alimentary Pharmacology & Therapeutics. Dec 2005, 22 (11–12): 1079–89. PMID 16305721. doi:10.1111/j.1365-2036.2005.02691.x. 
  2. ^ 2.0 2.1 Samonakis, D N. Management of portal hypertension. Postgraduate Medical Journal. 2004-11-01, 80 (949): 634–641. ISSN 0032-5473. PMC 1743143可免费查阅. PMID 15537846. doi:10.1136/pgmj.2004.020446 (英语). 
  3. ^ Working Subgroup (English version) for Clinical Practice Guidelines for Primary Biliary Cirrhosis. Guidelines for the management of primary biliary cirrhosis. Hepatology Research. 2014-01-01, 44: 71–90. ISSN 1872-034X. PMID 24397841. doi:10.1111/hepr.12270 (英语). 
  4. ^ Child CG, Turcotte JG. Surgery and portal hypertension. Child CG (编). The liver and portal hypertension. Philadelphia: Saunders. 1964: 50–64. 
  5. ^ Pugh RN, Murray-Lyon IM, Dawson JL, Pietroni MC, Williams R英语Roger Williams (hepatologist). Transection of the oesophagus for bleeding oesophageal varices. The British Journal of Surgery. 1973, 60 (8): 646–9. PMID 4541913. doi:10.1002/bjs.1800600817. 

外部链接

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Child-Pugh分期系统
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