[Study on regularity of drug use in Tibetan medicine treating hypertension based on multi-center clinical medical records and "prescription-property-efficacy-disease"].

This study aimed to explore the rule of Tibetan medicine in clinical treatment of hypertension( k Hrag-rLung-stod-vtshangs) and analyze the characteristics of its prescriptions. One hundred and thirty-seven cases of hypertension treated Tibetan medicine were collected. Data mining,Gephi,Cytoscape and other methods and software were used to analyze the characteristics of Tibetan medicine. The results showed that there were 44 cases of r Lung-type hypertension in clinical medical records,while 57 cases of k Hrag-type hypertension. There were 103 treatment prescriptions. The frequency of these prescriptions covered Twenty-five Yuganzi Pills( 96 times),Seventy Pearl Pills( 80 times),Eight Chenxiang Pills( 75 times),and Sanwei Ganlu Powder( 62 times),and they were highly correlated,with confidence greater than 95%. There were 332 prescriptions involved in the prescriptions which is core prescription medicines. This study first proposed the dosage analysis method of Tibetan medicine prescription medicines,and obtained the more dosage of Chebulae Fructus,Phyllanthi Fructus,Aucklandiae Radix,Aquilariae Lignum Resinatum and so on. The correlation analysis of the prescription medicines found that Carthami Flos,Myristicae Semen,Bambusae Concretio Silicea,Caryophylli Flos,Amomi Fructus Rotundus led by Tsaoko Fructus had a high correlation and a confidence greater than 75%. These herbs were guaranteed when Tibetan medicine was used in combination. The key drugs for protecting viscera and regulating the three gastric fires. The prescription is mainly cold,blunt,sparse and rough. Its efficacy focuses on the pathogenesis of blood fever,blood stickiness and venous blockage caused by heat,sharpness,odor and stickiness. It mainly treats Tibetan medicine diseases such as k Hrag-r Lung-stod-vtshangs and k Hrag-vpel( polyemia). It is suggested that Tibetan medicine has a three-in-one invisible treatment principle of " clearing blood-heat,opening vessel and regulating stomach-fire" in the treatment of hypertension,which attributed to both cardiovascular function and gastrointestinal metabolic function. This may be a significant and invisible knowledge of Tibetan medicine in the treatment of hypertension.