摘要
目的探讨应变和应变率成像结合冷加压试验评价健康成年人肱动脉应变及应变率储备的可行性及其临床意义。方法应用应变和应变率成像技术获得108例健康成年人冷加压试验前后的肱动脉的最大径向应变和应变率，计算径向应变和应变率储备。结果108例健康成年人肱动脉的最大径向应变和应变率在冷加压试验前后差异有统计学意义（P〈0．05），应变储备的参考范围为（25．26±6．35）％，应变率储备的参考范围为（30．06±7．57）％。结论应变和应变率成像能够定量评价正常成年人肱动脉的最大径向应变和应变率，还可通过冷加压试验获得健康成年人肱动脉的应变和应变率储备。
Objective To investigate the feasibility and the clinical value of strain and strain rate imaging combined with cold pressor test（CPT） in assessing reserve of strain and strain rate of brachial artery in normal adults. Methods One hundred and eight normal adults were involved. Maximum of radial strain （RSmax）, and maximum of radial strain rate（RSRmax） of brachial artery were measured, which were supplied by automatic analysis software. The datas after CPT were compared with those before CPT, and reserve of strain and strain rate were calculated. Results There were significant differences between the RSmax and RSRmax of brachial artery before CPT and those after CPT（ P 〈0.05）. Normal reference range of reserve of strain was （25.26 ± 6.35）%, and normal reference range of reserve of strain rate was （30.06 ± 7.57） %. Conclusions The RSmax and the RSRmax of brachial artery could be evaluated quantitatively by it in normal adults. Reserve of strain and strain rate could be gained under CPT.
出处
《中华超声影像学杂志》
CSCD
北大核心
2010年第4期307-310,共4页
Chinese Journal of Ultrasonography
基金
基金项目：浙江省科学技术厅科技计划项目（2008C33012）
关键词
超声检查
肱动脉
应变率显像
Ultrasonography
Brachial artery
Strain rate imaging
