摘要
<正>门静脉高压症是指门静脉系统压力升高(术中直接测定门静脉自由压超过22mmHg,或门静脉与下腔静脉之间压力差超过5mmHg)所引起的一组临床综合征,主要表现为脾大、脾功能亢进、门体侧支循环形成、食管胃静脉曲张及破裂出血。在所有门脉高压症患者中,肝硬化所导致的窦性门脉高压约占90%,而非肝硬化性门脉高压仅占10%左右。后者包括肝(窦)前性门脉高压症如门静脉系统血栓形成、门静脉闭锁、先
引文
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