James Samir Díaz-Betancur1, Juan Manuel Martínez2, Juan Gabriel Zapata3, Isabel Marín-Orozco4. 1. Instituto de Enfermedades Cardiovasculares, Auna Clínica Las Américas, Diag 75B No. 2 A, 80/140, Medellin, Colombia. james.diaz@lasamericas.com.co. 2. Unidad de Cuidado Especial Cardiovascular, Auna Clínica Las Américas, Medellín, Colombia. 3. Laboratorio Clínico, Auna Clínica Las Américas, Medellín, Colombia. 4. Universidad de Antioquia, Medellín, Colombia.
Abstract
BACKGROUND: Although chest pain and acute coronary syndrome (ACS) are among the most common complaints in the Emergency Departments (ED), little is known about this topic in the octogenarian population. OBJECTIVES: This study aimed to describe the clinical presentation and to evaluate survival time according to the ACS type in a group of 80-year-old or over patients admitted for chest pain to an ED. METHODS: Patients were classified according to the discharge diagnosis. A multivariable Cox regression analysis was done to assess the association between ACS type and mortality with the non-ACS chest pain group as the reference category. RESULTS: ACS was diagnosed in 170 of the 391 patients analyzed and 51% of ACS patients were female. Within the ACS patients, 18.8% presented STEMI, 57% NSTEMI, and 24% unstable angina (UA). Most of the patients were treated conservatively. In the adjusted analysis, the incidence of death at 40 months of follow-up was higher in patients with STEMI (HR 3.24; CI 1.59-6.56) than NSTEMI (HR 2.53; CI 1.56-4.11). There was no difference between patients with UA and the non-ACS group (HR 0.64; CI 0.26-1.58), and myocardial revascularization was associated with reduced mortality risk (HR 0.45; CI 0.22-0.92). CONCLUSIONS: A high prevalence of ACS was found among octogenarians admitted to the ED with chest pain, and the ACS type behaved as an independent predictor of mortality. Patients with UA diagnosis had a similar prognosis to patients with non-ACS chest pain, but this needs to be demonstrated by a prospective study.
BACKGROUND: Although chest pain and acute coronary syndrome (ACS) are among the most common complaints in the Emergency Departments (ED), little is known about this topic in the octogenarian population. OBJECTIVES: This study aimed to describe the clinical presentation and to evaluate survival time according to the ACS type in a group of 80-year-old or over patients admitted for chest pain to an ED. METHODS:Patients were classified according to the discharge diagnosis. A multivariable Cox regression analysis was done to assess the association between ACS type and mortality with the non-ACS chest pain group as the reference category. RESULTS: ACS was diagnosed in 170 of the 391 patients analyzed and 51% of ACS patients were female. Within the ACS patients, 18.8% presented STEMI, 57% NSTEMI, and 24% unstable angina (UA). Most of the patients were treated conservatively. In the adjusted analysis, the incidence of death at 40 months of follow-up was higher in patients with STEMI (HR 3.24; CI 1.59-6.56) than NSTEMI (HR 2.53; CI 1.56-4.11). There was no difference between patients with UA and the non-ACS group (HR 0.64; CI 0.26-1.58), and myocardial revascularization was associated with reduced mortality risk (HR 0.45; CI 0.22-0.92). CONCLUSIONS: A high prevalence of ACS was found among octogenarians admitted to the ED with chest pain, and the ACS type behaved as an independent predictor of mortality. Patients with UA diagnosis had a similar prognosis to patients with non-ACS chest pain, but this needs to be demonstrated by a prospective study.
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