[Incidence of peri-operative anxiety and depression in patients and of risk factors].

Our study investigate the peri-operative incidence of depression and anxiety of patients undergoing general anesthesia, and assesses the relationship between peri-operative characteristics with anxiety and depression.Demographic, clinical data and HADS score were collected before and after surgery. Analysis all the data with SPSS 10. 3.Anxiety was found pre- and post-operative in 23% and 17% of patients respectively while the rate of depression was 20% and 16% respectively. Middle or high-level (P < 0.05) education was associated with pre-operative anxiety; Pre-operative anxiety and depression are interactional (P < 0.01). Post-operative depression (P < 0.01) predicted post-operative anxiety; female (P < 0.05), pre-operative depression, post-operative anxiety (P < 0.05) and discomfort of pharynx (P < 0.05) predicted post-operative depression.Patients may experience anxiety or depression during peri-operation. Anxiety and depression are interactional. Level of education, sex and discomfort of pharynx may influence pre- or post-operative anxiety or depression respectively.