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Rev. bras. ter. intensiva ; 31(3): 326-332, jul.-set. 2019. tab, graf
Article in Portuguese | LILACS | ID: biblio-1042584

ABSTRACT

RESUMO Objetivo: Avaliar possíveis associações do risco nutricional com os desfechos clínicos desfavoráveis em pacientes críticos internados na unidade de terapia intensiva. Métodos: Estudo de coorte, prospectivo, realizado em 200 pacientes em unidade de terapia intensiva de hospital universitário. O risco nutricional foi avaliado pelos escores NRS-2002 e NUTRIC. Pacientes com escore ≥ 5 foram considerados de alto risco nutricional. Os dados e desfechos clínicos foram obtidos de registros clínicos dos pacientes. Utilizou-se análise de regressão logística múltipla para calcular os riscos relativos e seus respectivos intervalos de confiança de 95% para os desfechos clínicos. Resultados: Os pacientes críticos apresentaram idade de 59,4 ± 16,5 anos, e 53,5% eram do sexo feminino. O alto risco nutricional, segundo NRS-2002 e NUTRIC, foi de 55% e 36,5%, respectivamente. Em modelos de regressão logística múltipla, ajustados por sexo e motivo de internação, o alto risco nutricional avaliado pelo NRS-2002 associou-se positivamente ao uso de ventilação mecânica (RR = 2,34; IC95% 1,31 - 4,19; p = 0,004); presença de infecção (RR = 2,21; IC95% 1,24 - 3,94; p = 0,007) e óbito (RR = 1,86; IC95% 1,01 - 3,41; p = 0,045). Quando avaliado pelo NUTRIC, o risco nutricional foi associado à terapia de substituição renal (RR = 2,10; IC95% 1,02 - 4,15; p = 0,040) e óbito (RR = 3,48; IC95% 1,88 - 6,44; p < 0,001). Conclusão: Em pacientes gravemente doentes, o alto risco nutricional foi positivamente associado a um maior risco de desfechos clínicos desfavoráveis, incluindo óbito hospitalar.


ABSTRACT Objective: To evaluate possible associations between nutritional risk and the clinical outcomes of critical patients admitted to an intensive care unit. Methods: A prospective study was carried out with a cohort comprising 200 patients admitted to a university hospital intensive care unit. Nutritional risk was assessed with the NRS-2002 and NUTRIC scores. Patients with scores ≥ 5 were considered at high nutritional risk. Clinical data and outcome measures were obtained from patients' medical records. Multiple logistic regression analysis was used to calculate odds ratios and their respective 95% confidence intervals (for clinical outcomes). Results: This sample of critical patients had a mean age of 59.4 ± 16.5 years and 53.5% were female. The proportions at high nutritional risk according to NRS-2002 and NUTRIC were 55% and 36.5%, respectively. Multiple logistic regression models adjusted for gender and type of admission indicated that high nutritional risk assessed by the NRS-2002 was positively associated with use of mechanical ventilation (OR = 2.34; 95%CI 1.31 - 4.19; p = 0.004); presence of infection (OR = 2.21; 95%CI 1.24 - 3.94; p = 0.007), and death (OR = 1.86; 95%CI 1.01 - 3.41; p = 0.045). When evaluated by NUTRIC, nutritional risk was associated with renal replacement therapy (OR = 2.10; 95%CI 1.02 - 4.15; p = 0.040) and death (OR = 3.48; 95%CI 1.88 - 6.44; p < 0.001). Conclusion: In critically ill patients, high nutritional risk was positively associated with an increased risk of clinical outcomes including hospital death.


Subject(s)
Humans , Male , Female , Adult , Aged , Nutritional Status , Critical Illness , Nutrition Assessment , Prospective Studies , Treatment Outcome , Risk Assessment , Intensive Care Units , Middle Aged
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