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激光多普勒血流仪评价鹿茸对于动脉硬化大鼠的影响

2021-08-04李子娟韩杰王雁彬李廷荃

云南中医中药杂志 2021年7期

李子娟 韩杰 王雁彬 李廷荃

摘要:目的 利用激光多普勒血流仪评价鹿茸对于动脉硬化大鼠的疗效。方法 肢体缺血手术、高脂饲料喂养制作大鼠下肢动脉硬化闭塞症模型。分别在给药后0、7、14、28d对各组大鼠进行多普勒检测,观察各时期大鼠血流灌注恢复程度;同时进行体温的监测。结果 各给药组各时期下肢温度及LDPI指数均有不同程度的升高(P<0.05),差异均有统计学意义,其中同时期对比鹿茸高剂量组升高最为显著,其次为鹿茸中剂量组,再次为鹿茸低剂量组,其之间差异有统计学意义(P<0.05)。结论 根据激光多普勒血流仪显示鹿茸促进了动脉硬化大鼠的血流恢复,且与给药浓度具有一定相关性。

关键词:激光多普勒;动脉硬化;鹿茸;血流恢复

中图分类号:R285   文献标志码:A   文章编号:1007-2349(2021)07-0072-04

Evaluation of the Effect of Velvet Antler on Arteriosclerosis Ratsby Laser Doppler Blood Flow Meter

LI Zi-juan1, HAN Jie1, WANG Yan-bin2, LI Ting-quan2

(1. Shanxi University of Traditional Chinese Medicine, Taiyuan 030024, China;2. The Affiliated Hospital of Shanxi University of Traditional Chinese Medicine, Taiyuan 030024, China)

【Abstract】Objective: To evaluate the curative effect of velvet antler on arteriosclerosis rats by using laser Doppler blood flow meter. Methods: Limb ischemia surgery and high-fat feed were used to make a rat model of lower extremity arteriosclerosis obliterans. Doppler detection was performed on the rats in each group at the 0, 7th, 14th and 28th day after the administration to observe the recovery degree of the blood perfusion of the rats in each period and at the same time, the body temperature was monitored. Results: The lower extremity temperature and LDPI index increased to different degrees in each period of each administration group (P<0.05), and the differences were statistically significant. The increase was the most significant in the high-dose velvet antler group during the same period, followed by the middle-dose velvet antler group and again by the low-dose velvet antler group, and the difference was statistically significant (P<0.05). Conclusion: According to the display of the laser Doppler blood flow meter, the velvet antler can promote the recovery of blood flow in arteriosclerotic rats, and is related to the concentration of administration.

【Key words】Laser Doppler; Arteriosclerosis; Velvet Antler; Blood Flow Recovery

動脉硬化性闭塞症(arteriosclerosis obliterans,ASO)是指由于动脉硬化造成的内膜增厚、管腔狭窄或闭塞,导致相应区域供血不足的一系列疾病。表现在下肢则为下肢动脉硬化闭塞症(arteriosclerosis obliterans of the lower extremities,ASOLE),临床症状有下肢皮温降低、间歇性跛行、疼痛,易引起肢体末端坏疽,甚至有截肢死亡的风险[1-2]。据统计,75 岁以上人群中ASO的发病率高达15%~20%,普通人群发病率为3%~10%,以老年男性患者居多,给患者带来极大痛苦的,也给家庭及社会带来巨大负担[3]。随着中医药事业的发展,中医中药在对本病的治疗上取得的显著成效,许多研究前期表明,激光多普勒技术能较为客观的反应药物对于动脉硬化的疗效[4],遂本项目则用激光多普勒技术结合对大鼠下肢温度的监测来初步评价鹿茸对于动脉硬化大鼠的疗效。

1 材料

1.1 动物 SPF级雄性SD大鼠36只,2月龄,体重250~300 g,由山西省中医药研究院提供,实验动物质量合格证号:1103221911003889。

1.2 饲料制备 高脂饲料(80.3%基础饲料、15%猪油、0.5%胆酸钠、0.2%丙基硫氧嘧啶、4%胆固醇)

1.3 药物与试剂 鹿茸采用马鹿茸,购自北京同仁堂(集团)有限责任公司,用普通粉碎机粗粉后再用气流超微粉碎机制成微粉(粒径小于10μm),温水调,搅拌均匀,即用即配。……

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