老年人肝硬化侧支循环形成的临床特点分析

Chinese Journal of Geriatrics(2013)

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Abstract
目的 探讨老年肝硬化患者门体循环之间侧支血管形成的临床特点及临床意义. 方法 对临床确诊为肝硬化的患者运用64排螺旋CT和三维血管成像结合电子胃镜检查,观察门体循环之间侧支血管形成. 结果 老年组上消化道出血的发生率为32.2%,非老年组为34.9%,差异无统计学意义(x2=0.253,P=0.615);老年组腹水和肝性脑病及慢性血氨升高的发生率分别为59.6%和38.4%,非老年组分别为48.0%和22.3%,老年组均高于非老年组(x2=4.294、9.866,P=0.038、0.002).老年组侧支循环的发生率显著高于非老年组(87.0%比78.3%,x2=4.126,P=0.042);两组有侧支循环形成患者间比较,上消化道出血与腹水的发生率差异无统计学意义(x2=1.761,P=0.185,x2=2.391,P=0.122),但老年组肝性脑病及慢性血氨升高的发生率仍显著高于非老年组(x2 =7.104,P=0.008). 结论 老年肝硬化患者侧支循环的发生率高于非老年组,腹水、肝性脑病及慢性血氨升高的发生率高于非老年组.侧支循环的建立有助降低老年肝硬化患者门静脉高压,使得腹水的发生率降低,但增加了肝性脑病及慢性血氨升高的发生率.
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Key words
Liver cirrhosis,Hypertension,portal,Collateral circulation
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