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  • Title: Acute coronary syndrome and depression.
    Author: Dias CC, Mateus PS, Mateus C, Bettencourt N, Santos L, Adão L, Sampaio F, Fonseca C, Simões L, Coelho R, Ribeiro VG.
    Journal: Rev Port Cardiol; 2005 Apr; 24(4):507-16. PubMed ID: 15977775.
    Abstract:
    INTRODUCTION: Clinical depression is associated with poor compliance in risk reduction recommendations and has been suggested as an independent risk factor for increased postmyocardial infarction morbidity and mortality. AIM: To determine the prevalence of depressive symptoms, their main determinants and their influence on clinical evolution in acute coronary syndromes (ACS) patients. METHODS: We studied depressive symptoms, sociodemographic variables, cardiovascular status and therapeutic procedures in 240 consecutive patients admitted for ACS. Depressive symptoms were assessed using the Beck Depression Inventory (BDI) after clinical stabilization, in patients with more than 4 years' education. RESULTS: The majority of the patients were male (203); their average age was 59.4 +/- 13 yrs; 31.8% were admitted for unstable angina, 33.1% for acute myocardial infarction with ST elevation and 31.8% without ST elevation. Depressive symptoms (BDI > or =10) were present in 100 patients (41.6%). Depressed patients were older (61.1 vs. 58.2 years, p = 0.06) and had a history of previous cardiovascular events /47.5 vs. (34.8% p = 0.05). The proportion of female was higher in the group of patients with BDI > or =10 (24% vs. 9.3%, p = 0.02). Traditional cardiovascular risk factors were not associated with depressive symptoms. There were no statistically significant differences between the depressed and non-depressed patients in admission diagnosis, in-hospital clinical evolution and treatment. There were 35 patients (14.6%) with moderate/severe depression (BDI > or =19), 12 of whom were women (OR = 3.8, p = 0.001); no relation was established between age and previous cardiac events. These scores were less frequent in patients with a higher level of education (OR = 0.28, p = 0.09) and married (OR = 0.31 vs. not married, p = 0.03). Clinical follow-up of 158 patients was achieved (16 +/- 4 months), in patients with BDI > or =19, the presence of cardiovascular symptoms (angina, congestive heart failure) was higher (46% vs. 23%, OR = 2.8, p = 0.03), even after adjustment for age (OR = 2.5; p = 0.06). However, there was no association between the presence of depressive symptoms and readmission and/or fatal events. CONCLUSION: Depression is a common finding after hospital admission for ACS, particularly in women, and is mainly associated with prehospital factors. In our group of patients, the presence of depressive symptoms was closely related to clinical status during follow-up.
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