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  • Title: Relationship between nutritional status on admission to the intensive care unit and clinical outcomes.
    Author: Kaddoura R, Shanks A, Chapman M, O'Connor S, Lange K, Yandell R.
    Journal: Nutr Diet; 2021 Apr; 78(2):128-134. PubMed ID: 32985110.
    Abstract:
    AIM: To determine the prevalence of malnutrition on admission to the intensive care unit (ICU) and the relationship between nutritional status on admission and clinical outcomes in adult critically ill patients. METHODS: This was a prospective study in an adult ICU. Patients with expected length of stay (LOS) >48 hours in ICU were assessed for nutritional status using the patient generated-subjective global assessment (PG-SGA) within 48 hours of admission to ICU. RESULTS: Primary outcomes were ICU and hospital mortality, ICU and hospital LOS and length of mechanical ventilation. A total of 166 patients were enrolled in this study. Patients were aged 59 ± 17 years on average with a mean BMI of 29 ± 7 kg/m2 and a mean Acute Physiology and Chronic Health Evaluation II score of 19 ± 7. The prevalence of malnutrition in critically ill patients was 36% (n = 60). Mortality rate of malnourished patients was 9% (n = 15) compared to 7.8% (n = 13) in well-nourished patients (adjusted odds ratio, 2.17; 95% confidence interval, 0.9-5.03, P = .069). There was no difference in hospital mortality between malnourished patients and well-nourished patients (10.2% vs 10.2% adjusted odds ratio, 1.93; 95% confidence interval, 0.89-4.19, P = .096). There was no relationship between nutritional status and length of mechanical ventilation (3.0 vs 1.0 days, P = .382)or ICU LOS (4.7 vs 4.8 days, P = .59). Malnourished patients had a longer LOS in hospital than well-nourished patients (24 vs 17 days, P = .03). CONCLUSION: Malnutrition is an independent risk factor for increased hospital LOS.
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