• Susan Hamblin Woo, Christopher K Finch, Joyce E Broyles, Jim Wan, Richard Boswell, and April Hurdle.
• Methodist University Hospital, Memphis, TN 38104, USA.
• Nutr Clin Pract. 2010 Apr 1;25(2):205-11.

AbstractThis study was conducted to identify current practice in provision of enteral nutrition (EN) and to determine effects of early enteral nutrition (EEN) on length of stay in the medical intensive care unit (ICU). In this prospective, observational study, medical ICU patients were evaluated to determine their candidacy for EEN. If patients were candidates for EN and expected to remain nothing-by-mouth for 48 hours, they were classified as receiving EEN (within 24 hours of admission) or delayed EN. Thirty-six patients were candidates for EEN. Eighteen received EEN and 18 received delayed EN. In the delayed group, the median time to start of EN was 2.1 +/- 4.8 days. Median ICU length of stay was 4.7 +/- 3.5 days in the EEN group compared with 8.5 +/- 8.3 days in the delayed group. Although hospital length of stay was shorter in the EEN group, this was not statistically significant (10.4 +/- 6.9 vs 16.9 +/- 11.5 days). Time on the ventilator was significantly shorter in the EEN group vs delayed (n = 30, 3.0 +/- 4.2 vs 6.0 +/- 9.2 days). The incidence of new pneumonia was lower in the EEN group (5.5% vs 44%), but no difference was found in the incidence of bacteremia. Hospital mortality was lower in the EEN group (1 vs 7 deaths). Given its association with numerous benefits, EEN within 24 hours of admission should be encouraged and implemented by clinicians in medical ICU patients, but additional research is needed.

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