Organ support & nutrition

Optimizing enteral nutrition delivery by implementing volume-based feeding protocol for critically ill patients: an updated meta-analysis and systematic review

Crit CarePublished Systematic review and meta-analysis

Authors' conclusion

Our study revealed that the VBF protocol significantly improved calorie and protein delivery in critically ill patients with no additional risk.

Study context

Population
Critically ill adults admitted to ICU
Participants
2,896 adults · 16 studies
Comparison
Volume-based feeding vs rate-based feeding protocol for enteral nutrition (EN)
Outcome
EN nutrition delivery
Methodological detailsupdated meta-analysis
  • Updated meta-analysis

Pooled result

As reported in the abstract

Energy and protein delivery
VBF vs RBFMD, % (95% CI)P value
Energy delivery
15.41(10.68–20.14)
P < 0.00001
Protein delivery
22.05(10.89–33.22)
P = 0.0001

Further pooled results

OutcomeMD (95% CI)P value
ICU LOSShorter ICU stay in VBF0.78 (0.01–1.56)P = 0.05
Mechanical ventilation duration0.81 (−0.30,1.92)P = 0.15
OutcomeRR (95% CI)P value
Mortality1.03 (0.85–1.24)P = 0.76

Safety

OutcomeRR (95% CI)P value
EN complicationsVBF vs RBF · diarrhea0.91 (0.73–1.15)P = 0.43
EN complicationsVBF vs RBF · emesis1.23 (0.76–1.99)P = 0.41
EN complicationsVBF vs RBF · feeding intolerance1.14 (0.63–2.09)P = 0.66
EN complicationsVBF vs RBF · gastric retention0.45 (0.16–1.30)P = 0.14

Original publication

Optimizing enteral nutrition delivery by implementing volume-based feeding protocol for critically ill patients: an updated meta-analysis and systematic review. Crit Care. Published 5 May 2023. doi:10.1186/s13054-023-04439-0

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