Study on clinical efficacy and endothelial function protection of Tianma Gouteng Granule in interfering primary hypertension patients with hyperactivity of liver-yang

Objective To investigate clinical anti-hypertension effect,clinical traditional Chinese medicine (TCM) syndrome improvement and endothelium function such as cardio-ankle vascular index (CAVI),flow-mediated dilatation (FMD) and endothelial micro-particle (EMP) protection of Tianma Gouteng Granule in interfering primary hypertension patients with hyperactivity of liver-yang.Methods Sixty six primary hypertension patients with hyperactivity of liver-yang were randomly divided into the control group (standardized treatment,n =35) and the treatment group (Tianma Gouteng Granule + standardized treatment,n =31) according to the random number method.In four weeks' follow-up treatment,the changes in clinical efficiency,TCM syndrome improvement,CAVI,FMD and EMP were observed.Results (1)Total clinical efficiency ratio was 71.43％ in control vs.70.97％ in treatment without statistical significance (P ＞0.05).(2) TCM syndrome improvement was better in treatment group than that in control group (93.55％ vs 74.29％,x2 =4.39,P ＜ 0.05),especially in improving symptoms such as dissiness,headache,dysphoria in chest,palms and soles,insomia and tinnitus (P ＜ 0.05).(3) In the aspect of endothelium protection,treatment group can greatly improve CAVI compared with control (L-CAVI ∶ t =2.11,P ＜0.05;R-CAVI∶ t =2.15,P ＜0.05) ; the levels of FMD(t =-4.65,P ＜0.01) and EMP (t =4.35,P ＜ 0.01)were significantly improved after treatment (P ＜ 0.05) while no statistical meaning was found between two group.Conclusions Tianma Gouteng Granule can improve TCM syndrome,decrease CAVI level.FMD and EMP were significantly decreased in treatment group.Multi-factor regression analysis showed that EMP level was related to pulse pressure.