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Published:
Apr 26, 2023Keywords:
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An evaluation of feeding practices and determination of barriers to providing nutritional support in a multidisciplinary South African intensive care unit
E Elmezoughi
K de Vasconcellos
Abstract
Background. Adequate nutritional support is crucial to optimising intensive care unit (ICU) outcomes.
Objectives. To assess adherence to current nutritional guidelines in critically ill patients in South Africa (SA). To identify risk factors for non-adherence to guidelines.
Methods. Retrospective observational chart review of nutritional practices, from 1 December 2017 to 31 May 2018, during the first week of ICU admission in adult patients admitted to a tertiary, multidisciplinary ICU in Durban, SA, for >48 hours.
Results. The study cohort (N=150) had a median age of 39 years and an ICU mortality of 28%. Surgical patients accounted for 50.7% of admissions. Ninety-eight percent of patients received mechanical ventilation, 75% required inotropic support, and 56% had acute kidney injury. The median time to initiation of enteral nutrition (EN) was 3 days, with EN being initiated within 48 hours in 39% of patients, and by day 7 80% of patients had received EN. Goal feeds were reached in 23% of patients by discharge, death or day 7. Parenteral nutrition was initiated in 16.7% of patients. There was an association between shock, acute kidney injury, increasing sequential organ failure assessment score and inotrope dose, and failure to initiate EN. Failure to initiate EN was predominantly due to unavoidable factors, but a number of clinical and administrative areas were identified to improve EN delivery.
Conclusion. Adequate nutrition is associated with reduced morbidity, ICU length of stay, mortality and improved functional outcomes. More attention to avoiding barriers to adequate ICU nutrition and enhanced adherence to feeding protocols should be encouraged.
