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Desnutri o, tempo de interna o e mortalidade em um hospital geral do Sul do Brasil Malnutrition, length of hospital stay and mortality in a General Hospital in Southern Brazil

Keywords: desnutri o , avalia o nutricional , mortalidade

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Abstract:

Objetivo: Detectar prevalências de desnutri o através de três métodos de avalia o do estado nutricional e verificar associa es com o tempo de interna o hospitalar e mortalidade. Materiais e Métodos: Estudo transversal incluindo 445 pacientes com idade maior ou igual a 18 anos, de ambos os sexos, admitidos em hospital geral terciário. Avalia o Subjetiva Global (ASG), índice de Massa Corporal (IMC) e Circunferência do Bra o (CB) foram avaliados. Dados demográficos e relativos a tempo de interna o e óbito foram obtidos através de questionário e prontuário médico. Testes t de Student, Qui-quadrado de Pearson e Regress o de Poisson Modificada foram utilizados. Resultados: As prevalências de desnutri o foram respectivamente: IMC: 15,5%; CB: 41,1% e ASG: 39,8%. Na análise multivariada, a desnutri o detectada pela ASG no momento da admiss o associou-se significativamente com tempo de interna o hospitalar igual ou superior a dez dias (RP 1,29 IC95% 1,08 – 1,53 P=0,005) e óbito durante a permanência hospitalar (RP 4,36 IC95% 1,93 – 9,85 P=0,001). Conclus es: As prevalências de desnutri o detectadas por três indicadores s o elevadas em nosso hospital. Entretanto, somente a ASG no momento da admiss o hospitalar associou-se significativamente com tempo de permanência maior ou igual a 10 dias e óbito. Objective: To detect the malnutrition prevalence using three methods to assess the nutritional status and to verify possible associations with the length of hospital stay and mortality. Materials and Methods: A cross-sectional study including 445 men and women, aged 18 years old or more, admitted in a general tertiary hospital. Subjective Global Assessment (SGA), Body Mass Index (BMI) and Middle Upper Arm Circumference (MUAC) were evaluated. Demographic data and information about length of hospital stay and mortality were obtained from questionnaire and medical records. Student T test, Chi-square test and Modified Poisson Regression were used in the statistical analysis. Results: Prevalence of malnutrition was respectively: BMI: 15.5%, MAUC: 41.1% and SGA 39.8%. In the multivariate analysis, malnutrition detected by SGA at hospital admission was significantly associated with length of stay higher or equal than 10 days (PR 1.29 IC95% 1.08 – 1.53 P=0,005) and death during hospitalization (PR 4.36 IC95% 1.93 – 9.85 P=0,001). Conclusions: Prevalence of malnutrition detected by three methods to assess the nutritional status is high in our hospital. However, only the SGA at hospital admission was significantly associated with length of stay higher or equal than 10 d

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