家兔脂肪肝肝压缩率、灰阶强度与声衰减对比研究

Ratio of hepatic pressure, intensity of gray scale and acoustic attenuation modulus in fatty liver of the rabbits: a comparative study

目的 探讨观察诊断脂肪肝的肝压缩率、灰阶强度和衰减系数定量指标。方法 超声检查 40只正常家兔肝压缩率、灰阶强度及衰减系数 ;应用高糖、高脂、及酒精喂养后形成脂肪肝后 ,再次超声观察并对比。结果 随脂肪肝程度加重和脂肪性肝炎的发生 ,肝脏进行性肿大 ,肝压迫率进行性下降 ,声衰减增大。中重度脂肪肝、尤其脂肪性肝炎肝脏灰阶强度高于轻度脂肪肝组。结论 肝压缩率。

ObjectiveTo assess diagnostic standard of fatty liver with quantitative ultrasound. MethodsThe ratio of hepatic pressure,the average intension of gray scale, and the acoustic attenuation modulus of the liver in 40 rabbits were measured before and after formation of fatty liver induced by administration of high sugar and high cholesterol food. ResultsThe liver was enlarged, the ratio of hepatic pressure was decreased and acoustic attenuation was increased following the progress of fatty infiltration. Echogenicity of the liver was increased with aggravation of fatty hepatitis. ConclusionThe ratio of hepatic pressure,the average intension of gray scale and the attenuation modulus correspond to the severity of fatty infiltration, hepatitis and fibrosis of the liver.