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      Manejo ambulatorio de la insuficiencia cardíaca crónica en la Argentina: Estudio OFFICE IC Translated title: Outpatient Handling of Chronic Heart Failure in Argentina: The OFFICE IC Study

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          Abstract

          Objetivo Conocer las características basales y las modalidades diagnósticas y terapéuticas habituales en el tratamiento de pacientes con insuficiencia cardíaca crónica en la Argentina. Material y métodos Fueron encuestados 241 médicos de todo el país (91,7% cardiólogos), cada uno de los cuales comunicó datos referidos al perfil clínico, estudios realizados y tratamiento de pacientes con insuficiencia cardíaca crónica en seguimiento ambulatorio. Resultados Se obtuvieron datos de 2.201 pacientes (64,6% hombres, edad media 67,6 ± 12 años) entre junio de 2003 y marzo de 2004. El 58% habían sido internados por insuficiencia cardíaca en los 2 años previos. Se encontraban en CF I-II el 73,5% de los pacientes. Las etiologías predominantes fueron la isquémica (40,5%) y la hipertensiva (23,7%). En el 88,5% de los pacientes se conocía la función ventricular (disfunción sistólica moderada a severa en más del 70%). Estaban medicados con digital el 33%, con inhibidores de la enzima convertidora y/o antagonistas de la angiotensina II el 92,2%, con betabloqueantes el 70% y con espironolactona el 61,7%. La etiología, la función ventricular, la cobertura médica y el tratamiento concomitante fueron predictores del uso de antagonistas neurohormonales. Conclusiones Los pacientes incluidos son similares a los de otros registros poblacionales, con predominio de hombres y etiología isquémica e hipertensiva. La mayor parte de los pacientes presentó disfunción sistólica. El tratamiento de acuerdo con los estándares de las guías actuales se cumplió en una elevada proporción de pacientes.

          Translated abstract

          Work Aim To identify the baseline characteristics and common diagnostic and therapeutic modalities of chronic heart failure treatment in Argentina. Research Design and Methods Survey of 241 argentine physicians (91.7% cardiologists) who provided data about chronic heart failure outpatients' clinical profile, studies and treatment. Results Data from 2201 patients (64.6% men, mean age 67.6±12 years) were obtained between June 2003 and March 2004. Fifty-eight percent had been admitted due to heart failure in the two previous years, and 73.5% showed a functional class I-II. Ischemia (40.5%) and hypertension (23.7%) were the predominant etiologies. Ventricular function was identified in 88.5% of the patients (moderate to severe dysfunction in more than 70%). Digitalis was prescribed in 33% of the patients, angiotensin converting enzyme inhibitors- angiotensin II antagonists in 92.2%, beta-blockers in 70% and spironolactone in 61.7%. Etiology, ventricular function, medical insurance status and concomitant treatment were all predictors of neurohormonal antagonists prescription. Conclusions The patients in this study are similar to those of other population studies, with a prevalence of men and hypertensive ischemic etiology. Most of the patients showed systolic dysfunction. A high proportion of patients underwent treatment according to present day standards.

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          Randomised trial of telephone intervention in chronic heart failure: DIAL trial.

          (2005)
          To determine whether a centralised telephone intervention reduces the incidence of death or admission for worsening heart failure in outpatients with chronic heart failure. Multicentre randomised controlled trial. 51 centres in Argentina (public and private hospitals and ambulatory settings). 1518 outpatients with stable chronic heart failure and optimal drug treatment randomised, stratified by attending cardiologist, to telephone intervention or usual care. Education, counselling, and monitoring by nurses through frequent telephone follow-up in addition to usual care, delivered from a single centre. All cause mortality or admission to hospital for worsening heart failure. Complete follow-up was available in 99.5% of patients. The 758 patients in the usual care group were more likely to be admitted for worsening heart failure or to die (235 events, 31%) than the 760 patients who received the telephone intervention (200 events, 26.3%) (relative risk reduction = 20%, 95% confidence interval 3 to 34, P = 0.026). This benefit was mostly due to a significant reduction in admissions for heart failure (relative risk reduction = 29%, P = 0.005). Mortality was similar in both groups. At the end of the study the intervention group had a better quality of life than the usual care group (mean total score on Minnesota living with heart failure questionnaire 30.6 v 35, P = 0.001). This simple, centralised heart failure programme was effective in reducing the primary end point through a significant reduction in admissions to hospital for heart failure.
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            Heart failure in the general population of men--morbidity, risk factors and prognosis.

            To analyse the prevalence, aetiology and prognosis of heart failure. A random population sample of men (n=7495) was examined at baseline in 1970-73 and followed until 1996. During up to 27 years, 937 men were hospitalized for heart failure. For the statistical analysis, odds ratios and 95% confidence intervals, multivariate logistic regression and time-dependent Cox analysis were used. The incidence rate was 2.1, 9.1 and 11.5 per 1000 person-years in the age groups 55-64, 65-74 and 75-79, and the prevalences were 0.6, 2.8 and 6.2%, respectively. Valvular heart disease was the aetiology in 5.8%, coronary heart disease only or in combination with hypertension in 58.8%, and hypertension only in 20.3%, and various combinations with diabetes in 4.5%. Of the remaining 12.1%, 96% were smokers and 64% were registered for alcohol abuse. Risk factors were increasing age, myocardial infarction in the family, diabetes mellitus, chest pain, tobacco smoking, high coffee consumption, alcohol abuse, high body mass index, high blood pressure as well as treatment for hypertension, but not high total cholesterol or psychological stress. Mortality after the diagnosis was increased eight times. Coronary heart disease and hypertension were the most common concomitant diseases. Risk factors were similar to those in coronary heart disease, and also alcohol abuse, but not high total cholesterol, low physical activity or psychological stress. Mortality was high.
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              Muestreo, diseño y análisis

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                Author and article information

                Contributors
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                Journal
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                Revista argentina de cardiología
                Rev. argent. cardiol.
                Sociedad Argentina de Cardiología (Ciudad Autónoma de Buenos Aires )
                1850-3748
                April 2006
                : 74
                : 2
                : 109-116
                Affiliations
                [1 ] Sociedad Argentina de Cardiología Argentina
                Article
                S1850-37482006000300005
                f22a8cb0-5d81-484a-be27-547cbd48ad8d

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Argentina

                Self URI (journal page): http://www.scielo.org.ar/scielo.php?script=sci_serial&pid=1850-3748&lng=en
                Categories
                CARDIAC & CARDIOVASCULAR SYSTEMS

                Cardiovascular Medicine
                Chronic heart failure,Ambulatory,Treatment,Neurohormonal antagonists,Insuficiencia cardíaca crónica,Ambulatorio,Tratamiento,Antagonistas neurohormonales

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