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Nutritional risk in hospitalized patients: impact of nutritional status on serum prealbumin
Saka, Bulent; Ozturk, Gulistan Bahat; Uzun, Sami; Erten, Nilgun; Genc, Sema; Karan, Mehmet Akif; Tascioglu, Cemil; Kaysi, Abdulkadir.
  • Saka, Bulent; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Ozturk, Gulistan Bahat; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Uzun, Sami; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Erten, Nilgun; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Genc, Sema; Istanbul University. Istanbul Faculty of Medicine. Department of Biochemistry. Istanbul. TR
  • Karan, Mehmet Akif; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Tascioglu, Cemil; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
  • Kaysi, Abdulkadir; Istanbul University. Istanbul Faculty of Medicine. Department of Internal Medicine. Istanbul. TR
Rev. nutr ; 24(1): 89-98, jan.-fev. 2011. tab
Article in English | LILACS | ID: lil-588206
ABSTRACT
OBJECTIVE: Poor recognition and monitoring of nutritional status is the most important cause of malnutrition in hospitalized patients. The aim of this study was to assess the nutritional status of a group of patients and compare the results with their serum prealbumin levels. METHODS: Ninety-seven patients admitted consecutively to the hospital were enrolled in the study. The risk of malnutrition was assessed according to anthropometric data and the Subjective Global Assessment and Nutrition Risk Screening 2002 tools. The nutritional statuses of the patients were compared with their age, gender, body mass index, medical history, weight loss and routine biochemical analyses, including prealbumin and length of hospital stay. RESULTS: According to the Nutrition Risk Screening 2002, 57 percent of the patients were malnourished or at risk of malnutrition, correlating well with the Subjective Global Assessment (p<0.001, r=0.700). Multivariate analysis revealed positive correlations between malnutrition and age, weight loss, malignancy and serum C-reative protein (p=0.046, p=0.001, p=0.04 and p=0.002). Nutrition Risk Screening 2002 score ³3 was associated with prolonged length of hospital stay (p=0.001). Serum prealbumin correlated with nutritional status, regardless of the number of chronic diseases and inflammation biomarkers (p=0.01). Serum prealbumin sensitivity, specificity, positive predictive value, negative predictive value and diagnostic value in the assessment of risk of malnutrition were 94 percent, 32 percent, 0.67, 0.78 and 69 respectively. After 7 days of nutritional support, the risk of malnutrition decreased by 12 percent (p<0.001) and serum prealbumin levels increased by 20 percent (p=0.003). CONCLUSION: Instead of reflecting overall nutritional status, low serum prealbumin may be regarded as a sign of increased risk of malnutrition, requiring further nutritional assessment. It can be used for monitoring patients receiving nutritional support.
RESUMO
OBJETIVO: Falha no reconhecimento e acompanhamento do estado nutricional é a razão mais importante da desnutrição em pacientes hospitalizados. Este estudo objetivou avaliar o estado nutricional dos pacientes e comparar os resultados com os níveis séricos de pré-albumina. MÉTODOS: Foram incluídos 97 pacientes no estudo, internados consecutivamente. O risco de desnutrição foi avaliado de acordo com dados antropométricos e com a Avaliação Subjetiva Global e Triagem de Risco Nutricional 2002. Os estados nutricionais dos pacientes foram comparados com suas idades, sexo, índice de massa corporal, histórico médico, perda de peso e análises bioquímicas, incluindo pré-albumina e tempo de permanência hospitalar. RESULTADOS: De acordo com o Triagem de Risco Nutricional 2002, 57 por cento dos pacientes estavam desnutridos ou em risco de desnutrição, apresentando boa correlação com o Avaliação Subjetiva Global (p<0,001, r=0,700). A análise multivariada mostrou correlações positivas entre desnutrição e idade, perda de peso, malignidade e proteína reativa-C (p=0,046, p=0,001, p=0,04 e p=0,002). Um escore ³3 no Triagem de Risco Nutricional 2002 foi associado à internação prolongada (p<0,001). Houve correlação entre pré-albumina sérica e o estado nutricional, independente do número de doenças crônicas e biomarcadores de inflamação (p=0,01). CONCLUSÃO: Ao invés de refletir o estado nutricional global do paciente, níveis séricos baixos de séricos de pré-albumina podem ser vistos como um sinal de maior risco de desnutrição, exigindo uma avaliação nutricional mais extensa. A análise sérica de pré-albumina pode ser usada para o monitoramento de pacientes recebendo suporte nutricional.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Serum Albumin / Nutritional Status / Malnutrition / Inpatients Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Rev. nutr Year: 2011 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul University/TR

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Full text: Available Index: LILACS (Americas) Main subject: Serum Albumin / Nutritional Status / Malnutrition / Inpatients Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Rev. nutr Year: 2011 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul University/TR