摘要
应用高频超声和多普勒能量图（ＰＤＳ）对２０例正常移植肾、１８例急性排异（ＡＲ）、８例急性肾小管坏死（ＡＴＮ）、１６例慢性移植肾功能障碍（ＣＧＤ）患者进行研究。结果显示：用高频两维超声有助于诊断ＡＲ、ＡＴＮ、ＣＧＤ。移植肾皮质部的ＰＤＳ显像分级能较好地评价皮质部血流灌注，但ＡＲ、ＡＴＮ及ＣＧＤ也可呈正常分级，ＰＤＳ的诊断敏感性不如ＲＩ值。皮质部ＲＩ值随检测部位不同而有差异，以ＣＧＤ最为明显。移植肾皮质部血流灌注不良时，血流充盈缺乏首先发生在等容收缩期。用高频ＰＤＳ超声和肾皮质部多点检测ＲＩ值，可较好地评价移植肾功能障碍。
WT5”BZ〗62 renal transplants including 20 normal, 18 with acute rejection(AR), 8 acute tubular necrosis(ATN) and 16 chronic graft dysfunction(CGD) were scanned by high frequency ultrasound and power Doppler sonography(PDS). It showed that two-dimentional high frequency ultrasound was useful for the diagnosis of AR、 ATN and CGD. The graded image of cortex obtained by PDS can evaluate the blood perfusion of cortex well, but AR, ATN and CGD may also show normal graded images. The sensitivity of PDS was lower than that of RI. The RI of cortex was different at various regions, especialy in CGD. The inadiquate perfusion of cortex appeared first at isovolumetric systole. Using high frequency ultrasound and PDS together with the measurement of mean RI from several sample sites. The dysfunction of transplant kidney can be well evaluated.
出处
《中华超声影像学杂志》
CSCD
1998年第4期226-229,共4页
Chinese Journal of Ultrasonography
关键词
超声描记术
肾移植
多普勒能量图
utrasonography\ \ renal transplant power Doppler sonography
