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[Unstable angina in the elderly: clinical, profile, management and mortality at three months. The PEPA Registry Data].

INTRODUCTION AND OBJECTIVES
Few reports in the literature have studied the characteristics and management of unstable angina in the elderly in Spain. The aim of this study was to analyze the clinical characteristics and the use of diagnostic and therapeutic resources in patients > or = 70 years of age.


PATIENTS AND METHODS
A total of 1,551 patients > or = 70 years of age were included out of 4,115 included in the PEPA registry with a follow up of 90 days. These patients were compared with 2,564 < 70 years.


RESULTS
In comparison, the elderly (76 +/- 5 years) versus the younger group (58 +/- 8.5 years) included a higher proportion of women (43 vs 27%), diabetics (30 vs 23%)and hypertensive patients (60 vs 49%) with a lower proportion (p < 0.001) of hypercholesterolemia (33 vs 43%), smoking (40 vs 60%) or family history (9 vs 17%). A previous history of angina (49 vs 35%) or infarction (38 vs31%) and comorbidity was found to be significantly more frequent in the elderly, with a worse previous functional class (NYHA > 2 out of 34 vs 15%). The elderly were treated with fewer invasive procedures (25 vs 44%) or catheterization (26 vs 36%) and they were more frequently controlled with medical treatment (86 vs 83%) although with a lower use of beta blockers (45 vs 53%). The mortality at 3 months was greater in the elderly (7.4 vs 3.0%;p < 0.005) with age being an independent predictor of bad prognosis. Cox multivariate analysis showed the age, ST segment depression, diabetes and heart failure on admission to be predictors of bad prognosis in the elderly.


CONCLUSIONS
A different pattern is observed in cardiovascular risk factors with a more unfavorable clinical profile in elderly patients with unstable angina. The management of these patients is less aggressive and the mortality is greater. Diabetes, heart failure and ST segment depression on admission are independent predictors of bad prognosis in elderly patients.