OBJECTIVETo analyze the epidemiologic characteristics of TCM syndrome distribution and season correlation in hypertension patients.

METHODSClinical materials regarding population, symptoms and signs, etc. of 698 hypertension patients were collected, and statistical analysis on them was conducted.

RESULTSTCM syndrome type revealed in patients, in order of frequency from high to low, were: Gan-fire flaming-up syndrome, yin-deficiency and yang-excess syndrome, phlegm-dampness accumulation syndrome, both yin-yang deficiency syndrome, and others. The incidence of various syndromes was higher in the winter/spring and rather low in the summer, and Gan-fire flaming-up syndrome was positively related to the spring and negative to the summer.

CONCLUSIONSThe syndrome types of hypertension patients are chiefly the Gan-fire flaming-up syndrome, yin-deficiency and yang-excess syndrome, phlegm-dampness accumulation syndrome, and both yin-yang deficiency syndrome; Gan-fire flaming-up syndrome is the dominance; their incidence is higher in the winter/spring and lower in the summer.