Introduction:

disease-related malnutrition (DRM) is currently a major challenge in our hospitals, both because of its high prevalence and because of the clinical and economic impact. Our study aims to assess the feasibility and importance of establishing a nutritional screening strategy in our Health Care System.

Patients and methods:

this is a prospective study carried out in a Surgery Ward. The nutritional risk was assessed by applying to patients MUST at admission and weekly until discharge. Nutritional evaluation and nutritional intervention were performed if required, as well as coding of diagnoses and nutritional procedures at discharge. Clinical data, length of stay (LOS) and hospital costs were analyzed.

Results:

MUST detected 15.6% of patients at risk of malnutrition at admission. Patients with malnutrition at admission (MA) had four days longer LOS, higher annual mortality rate and urgent hospital readmissions in 2.4 and 2.0 times, respectively, one year after discharge. Age and urgent hospital admission were the factors associated with a higher annual mortality rate. Nine per cent of patients with an initial MUST < 2 suffered deterioration in their nutritional status during admission (DNS). These patients had longer LOS in seven days with equal comorbidity. Considering only the costs related to LOS in patients who presented MA or DNS, an overcost of 57% and 145%, respectively, was observed.

Conclusion:

patients with malnutrition on admission had longer LOS, higher mortality rate and urgent hospital readmissions one year after discharge. Patients who present MA or DNE cause an economic cost overrun. A nutritional screening tool is essential for the management and early detection of DRM.

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