prevalência de anemia e insuficiência renal em portadores de insuficiência cardíaca não-hospitalizados prevalencia de anemia e insuficiencia renal en portadores de insuficiencia cardiaca no hospitalizados prevalence of anemia and renal insufficiency in non-hospitalized patients with heart failure
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2009
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Abstract
FUNDAMENTOS: Insuficiência cardíaca (IC) é uma doença comum com alta taxa de mortalidade. Anemia e insuficiência renal (IR) são frequentemente encontradas em portadores de IC associadas com maior gravidade da doença cardíaca e pior prognóstico. OBJETIVO: Avaliar a prevalência de anemia e insuficiência renal, bem como a associação entre esses dois quadros, em portadores de IC não hospitalizados. MÉTODOS: Foram observados pacientes acompanhandos na clínica de IC de um hospital universitário de julho de 2003 a novembro de 2006. Anemia foi definida como níveis de hemoglobina abaixo de 13 mg/dl para homens e de 12 mg/dl para mulheres. A função renal foi avaliada por meio da taxa de filtração glomerular (TFG), calculada pela fórmula simplificada do estudo MDRD (Modification of Diet in Renal Disease). RESULTADOS: Dos trezentos e quarenta e cinco pacientes incluídos neste estudo, 26,4% (n = 91) tinham anemia e 29,6% tinham insuficiência renal moderada a grave (TFG < 60 ml/min). A associação entre anemia e maior prevalência de insuficiência renal foi estatisticamente significante (41,8% vs. 25,2%; p = 0,005). Os pacientes em classe funcional III e IV apresentaram maior incidência de anemia (39,0% vs. 19,4%; p <0,001) e insuficiência renal (38,2% vs. 24,8%; p = 0,007). Não foi observada associação entre anemia ou insuficiência renal e história de hipertensão, diabetes, função sistólica ou etiologia de insuficiência cardíaca. CONCLUSÃO: A prevalência de anemia e insuficiência renal foi elevada nessa população e foi associada com a gravidade da insuficiência cardíaca (classes funcionais III e IV).
FUNDAMENTO: La insuficiencia cardiaca (IC) es una enfermedad común con alta tasa de mortalidad. La anemia y la insuficiencia renal (IR), encontradas frecuentemente en portadores de IC, son asociadas a mayor severidad de la enfermedad cardiaca y peor pronóstico. OBJETIVO: Evaluar la prevalencia de anemia e insuficiencia renal, así como la asociación entre esos dos cuadros, en portadores de IC no hospitalizados. MÉTODOS: Se observaron a pacientes seguidos en la clínica de IC de un hospital universitario de julio de 2003 a noviembre de 2006. Se definió la anemia como niveles de hemoglobina abajo de 13 mg/dl para varones y de 12 mg/dl para mujeres. La función renal se evaluó por medio de la tasa de filtración glomerular (TFG), calculada por la fórmula simplificada del estudio MDRD (Modification of Diet in Renal Disease). RESULTADOS: Teniendo en cuenta los trescientos y cuarenta y cinco pacientes incluidos en este estudio, el 26,4% (n = 91) tenía anemia y el 29,6% presentaba insuficiencia renal de moderada a severa (TFG < 60 ml/min). La asociación entre anemia y mayor prevalencia de insuficiencia renal fue estadísticamente significante (el 41,8% vs el 25,2%; p = 0,005). Los pacientes en clase funcional III e IV presentaron mayor incidencia de anemia (el 39,0% vs el 19,4%; p <0,001) e insuficiencia renal (el 38,2% vs el 24,8%; p = 0,007). No se observó asociación entre anemia o insuficiencia renal e historia de hipertensión, diabetes, función sistólica o etiología de insuficiencia cardiaca. CONCLUSIÓN: La prevalencia de anemia e insuficiencia renal se elevó en esa población y se asoció con la severidad de la insuficiencia cardiaca (clases funcionales III e IV).
BACKGROUND: Heart Failure (HF) is a common disease with a high rate of mortality. Anemia and renal failure (RF) are often found in patients with HF associated with higher severity of the heart disease and a worse prognosis. OBJECTIVE: To evaluate the prevalence of anemia and RF, as well as the association between these two conditions, in non-hospitalized patients with HF. METHODS: Patients treated at the HF Outpatient Clinic of a university hospital were followed from July 2003 to November 2006. Anemia was defined as hemoglobin levels < 13 mg/dl for men and 12 mg/dl for women. Renal function was assessed by the glomerular filtration rate (GFR), calculated by the simplified formula of the MDRD (Modification of Diet in Renal Disease) study. RESULTS: Of the 345 patients included in this study, 26.4% (n = 91) had anemia and 29.6% had moderate to severe renal failure (GFR < 60 ml/min). The association between anemia and a higher prevalence of renal failure was statistically significant (41.8% vs. 25.2%; p = 0.005). The patients at functional class III and IV presented a higher incidence of anemia (39.0% vs. 19.4%; p <0.001) and renal failure (38.2% vs. 24.8%; p = 0.007). No association was observed between anemia or renal failure and history of hypertension, diabetes, systolic function or etiology of HF. CONCLUSION: The prevalence of anemia and renal failure was high in this population and was associated with the severity of the HF (functional classes III and IV).
FUNDAMENTO: La insuficiencia cardiaca (IC) es una enfermedad común con alta tasa de mortalidad. La anemia y la insuficiencia renal (IR), encontradas frecuentemente en portadores de IC, son asociadas a mayor severidad de la enfermedad cardiaca y peor pronóstico. OBJETIVO: Evaluar la prevalencia de anemia e insuficiencia renal, así como la asociación entre esos dos cuadros, en portadores de IC no hospitalizados. MÉTODOS: Se observaron a pacientes seguidos en la clínica de IC de un hospital universitario de julio de 2003 a noviembre de 2006. Se definió la anemia como niveles de hemoglobina abajo de 13 mg/dl para varones y de 12 mg/dl para mujeres. La función renal se evaluó por medio de la tasa de filtración glomerular (TFG), calculada por la fórmula simplificada del estudio MDRD (Modification of Diet in Renal Disease). RESULTADOS: Teniendo en cuenta los trescientos y cuarenta y cinco pacientes incluidos en este estudio, el 26,4% (n = 91) tenía anemia y el 29,6% presentaba insuficiencia renal de moderada a severa (TFG < 60 ml/min). La asociación entre anemia y mayor prevalencia de insuficiencia renal fue estadísticamente significante (el 41,8% vs el 25,2%; p = 0,005). Los pacientes en clase funcional III e IV presentaron mayor incidencia de anemia (el 39,0% vs el 19,4%; p <0,001) e insuficiencia renal (el 38,2% vs el 24,8%; p = 0,007). No se observó asociación entre anemia o insuficiencia renal e historia de hipertensión, diabetes, función sistólica o etiología de insuficiencia cardiaca. CONCLUSIÓN: La prevalencia de anemia e insuficiencia renal se elevó en esa población y se asoció con la severidad de la insuficiencia cardiaca (clases funcionales III e IV).
BACKGROUND: Heart Failure (HF) is a common disease with a high rate of mortality. Anemia and renal failure (RF) are often found in patients with HF associated with higher severity of the heart disease and a worse prognosis. OBJECTIVE: To evaluate the prevalence of anemia and RF, as well as the association between these two conditions, in non-hospitalized patients with HF. METHODS: Patients treated at the HF Outpatient Clinic of a university hospital were followed from July 2003 to November 2006. Anemia was defined as hemoglobin levels < 13 mg/dl for men and 12 mg/dl for women. Renal function was assessed by the glomerular filtration rate (GFR), calculated by the simplified formula of the MDRD (Modification of Diet in Renal Disease) study. RESULTS: Of the 345 patients included in this study, 26.4% (n = 91) had anemia and 29.6% had moderate to severe renal failure (GFR < 60 ml/min). The association between anemia and a higher prevalence of renal failure was statistically significant (41.8% vs. 25.2%; p = 0.005). The patients at functional class III and IV presented a higher incidence of anemia (39.0% vs. 19.4%; p <0.001) and renal failure (38.2% vs. 24.8%; p = 0.007). No association was observed between anemia or renal failure and history of hypertension, diabetes, systolic function or etiology of HF. CONCLUSION: The prevalence of anemia and renal failure was high in this population and was associated with the severity of the HF (functional classes III and IV).
| Reference Key |
reis2009arquivosprevalncia
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|---|---|
| Authors | ;Francisco José Farias Borges dos Reis;André Maurício Souza Fernandes;Almir Galvão Vieira Bitencourt;Flávia Branco Cerqueira Serra Neves;André Yoichi Kuwano;Victor Hugo Pinheiro França;Cristiano Ricardo Bastos de Macedo;Cristiano Gonçalves da Cruz;Viviane Sahade;Roque Aras Júnior |
| Journal | revista cubana de ciencias informáticas |
| Year | 2009 |
| DOI |
10.1590/S0066-782X2009000900011
|
| URL | |
| Keywords |
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