| Objective:To study the symptomatic characteristic in TCM and evolutionary rule of VD.Methods:By reviewing articles and analyzing referential materials integrally,we screened 119 symptoms,pictures of the tongues and pulse condition relative to VD,and carried out clinical observation and research on 367 patients with this disease in five centers all over the country.Results:Primarily,we summarized the basic symptom,the core symptom,the peripheral symptom of early slight and moderate-grade VD,put forward 7 basic categories of syndrome,and induced the characteristic of dynamic change and its evolutionary rule,and characteristic of 3 stages and its developing tendency.Conclusion:Deficiency of the kidney and stagnation of phlegm and blood stasis are the basic causes of VD. Heat-transmission and wind-transmission,caused by accumulation of phlegm,are main factors for exacerbation of VD.Toxic turbidity,caused by accumulation of turbid pathogens,is the key of deterioration of VD. |
