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超声造影诊断早期肝硬化的初步探讨 被引量:5

Contrast-enhanced ultrasound in diagnosis of early hepatic cirrhosis
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摘要 目的评价超声造影在肝纤维化不同阶段及早期肝硬化定性诊断中的意义。方法采用编码相位反转谐波造影成像技术,对92例经肝穿刺证实的慢性乙肝肝纤维化(S1-3)或早期肝硬化(S4)患者及15例健康查体者进行超声造影研究,使用机内自带分析软件进行时间-强度曲线分析,记录肝静脉到达时间(hepatic vein transit,HVTT)及肝动脉到达时间(hepatic artery transit time,HATT),得到校正后的肝静脉到达时间(HV-ATT)。比较各组间HV-ATT的差异。结果正常组、肝纤维化组及早期肝硬化组HV-ATT分别为(13.0±2.2)s,(11.8±2.7)s和(7.5±2.1)s,肝纤维化组与正常组相比差异无统计学意义(P〉0.05),肝硬化组较肝纤维化组及正常组明显提前,差异有统计学意义(P〈0.01)。肝纤维化组内S1,S2,S3三组HV-ATT分别为(11.7±2.7)s,(11.8±3.0)s,(11.8±2.3)s,三组间比较差异无统计学意义(P〉0.05)。结论超声造影剂通过肝静脉时间在早期肝硬化时明显缩短,可用作评估早期肝硬化程度的指标,但在肝纤维化不同程度时的差异不明显。 Objective To evaluate the value of contrast-enhanced ultrasound (CEUS) for liver fibrosis. Methods Ninty-two chronic hepatitis B patients with histology diagnosis and fifteen health control were detected by CEUS,dynamie images and the time-intensity curve were analyed. Results Hepatic vein artery transit(HV ATT) became shorter in the early hepatic cirrhosis patients [(7.5±2.1)s] compared to the control [(11.8 ± 2.7)s]. However,there was no difference between the fibrosis patients [(13.0±2.2) s] and the control. Furthermore,HV-ATT of the fibrosis patients with S1 to S3 stage were (11.7 ± 2.7)s (S1), (11.8±3.0)s(S2), (11.8±2.3)s(S3) without significant difference. Conclusions CEUS is valuable in diagnosing earlier hepatic cirrhosis, but not fibrosis.
出处 《中华超声影像学杂志》 CSCD 2008年第12期1048-1050,共3页 Chinese Journal of Ultrasonography
基金 中国肝炎防治基金会王宝恩肝纤维化研究基金(20070035)
关键词 超声检查 微气泡 肝硬化 Ultrasonography Microbubbles Liver cirrhosis
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