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Advancements in nutritional management for critically ill patients
CRITICAL CARE NETWORK
Nonrespiratory Critical Care Section
Nutrition plays an important role in the management and recovery of critically ill patients admitted to the ICU. Major guidelines recommend that critically ill patients should receive 1.2 to 2.0 g/kg/day of protein, with an emphasis on early (within 48 hours of ICU admission) enteral nutrition.1-3
In a randomized controlled trial involving 173 critically ill patients who stayed in the ICU in Zhejiang, China, Wang and colleagues studied the impact of early high protein intake (1.5 g/kg/day vs 0.8 g/kg/day).4 The primary outcome of 28-day mortality was lower among the high protein intake group (8.14% vs 19.54%). Still, this intention-to-treat analysis did not reach a statistical significance (P = .051). However, a time-to-event analysis using the Cox proportional hazard model showed that the high protein intake group had a significantly lower 28-day mortality rate, shorter ICU stays, and improved nutritional status, particularly in patients with sepsis (P = .045).
In a systematic review and meta-analysis involving 19 randomized controlled trials and 1,731 patients, there was no definitive evidence that higher protein intake significantly reduces mortality. However, it may improve specific clinical outcomes like muscle mass retention and shorter duration of mechanical ventilation.5 Similarly, a post hoc analysis on the EFFORT Protein Trial focusing on critically ill patients with acute kidney injury (AKI) showed that higher protein intake did not significantly impact the duration of kidney replacement therapy but was associated with higher serum urea levels and slower time-to-discharge-alive among patients with AKI.6
For critically ill patients, increasing early protein intake to 1.5 g/kg/day is safe and may be beneficial. We still need more data to guide the best approach to determining the protein intake.
References
1. Taylor BE, McClave SA, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). Crit Care Med. 2016;44(2):390-438. doi:10.1097/CCM.0000000000001525
2. Singer P, Blaser AR, Berger MM, et al. ESPEN guideline on clinical nutrition in the intensive care unit. Clin Nutr. 2019;38(1):48-79. doi:10.1016/j.clnu.2018.08.037
3. McClave SA, Taylor BE, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). JJPEN J Parenter Enteral Nutr. 2016;40(2):159-211. doi:10.1177/0148607115621863
4. Wang Y, Ye Y, Xuan L, et al. Impact of early high protein intake in critically ill patients: a randomized controlled trial. Nutr Metab. 2024;21(1):39. doi.org/10.1186/s12986-024-00818-8
5. Lee ZY, Yap CSL, Hasan MS, et al. The effect of higher versus lower protein delivery in critically ill patients: a systematic review and meta-analysis of randomized controlled trials. Crit Care. 2021;25(1):260. doi.org/10.1186/s13054-021-03693-4
6. Stoppe C, Patel JJ, Zarbock A, et al. The impact of higher protein dosing on outcomes in critically ill patients with acute kidney injury: a post hoc analysis of the EFFORT protein trial. Crit Care. 2023;27(1):399. doi.org/10.1186/s13054-023-04663-8
CRITICAL CARE NETWORK
Nonrespiratory Critical Care Section
Nutrition plays an important role in the management and recovery of critically ill patients admitted to the ICU. Major guidelines recommend that critically ill patients should receive 1.2 to 2.0 g/kg/day of protein, with an emphasis on early (within 48 hours of ICU admission) enteral nutrition.1-3
In a randomized controlled trial involving 173 critically ill patients who stayed in the ICU in Zhejiang, China, Wang and colleagues studied the impact of early high protein intake (1.5 g/kg/day vs 0.8 g/kg/day).4 The primary outcome of 28-day mortality was lower among the high protein intake group (8.14% vs 19.54%). Still, this intention-to-treat analysis did not reach a statistical significance (P = .051). However, a time-to-event analysis using the Cox proportional hazard model showed that the high protein intake group had a significantly lower 28-day mortality rate, shorter ICU stays, and improved nutritional status, particularly in patients with sepsis (P = .045).
In a systematic review and meta-analysis involving 19 randomized controlled trials and 1,731 patients, there was no definitive evidence that higher protein intake significantly reduces mortality. However, it may improve specific clinical outcomes like muscle mass retention and shorter duration of mechanical ventilation.5 Similarly, a post hoc analysis on the EFFORT Protein Trial focusing on critically ill patients with acute kidney injury (AKI) showed that higher protein intake did not significantly impact the duration of kidney replacement therapy but was associated with higher serum urea levels and slower time-to-discharge-alive among patients with AKI.6
For critically ill patients, increasing early protein intake to 1.5 g/kg/day is safe and may be beneficial. We still need more data to guide the best approach to determining the protein intake.
References
1. Taylor BE, McClave SA, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). Crit Care Med. 2016;44(2):390-438. doi:10.1097/CCM.0000000000001525
2. Singer P, Blaser AR, Berger MM, et al. ESPEN guideline on clinical nutrition in the intensive care unit. Clin Nutr. 2019;38(1):48-79. doi:10.1016/j.clnu.2018.08.037
3. McClave SA, Taylor BE, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). JJPEN J Parenter Enteral Nutr. 2016;40(2):159-211. doi:10.1177/0148607115621863
4. Wang Y, Ye Y, Xuan L, et al. Impact of early high protein intake in critically ill patients: a randomized controlled trial. Nutr Metab. 2024;21(1):39. doi.org/10.1186/s12986-024-00818-8
5. Lee ZY, Yap CSL, Hasan MS, et al. The effect of higher versus lower protein delivery in critically ill patients: a systematic review and meta-analysis of randomized controlled trials. Crit Care. 2021;25(1):260. doi.org/10.1186/s13054-021-03693-4
6. Stoppe C, Patel JJ, Zarbock A, et al. The impact of higher protein dosing on outcomes in critically ill patients with acute kidney injury: a post hoc analysis of the EFFORT protein trial. Crit Care. 2023;27(1):399. doi.org/10.1186/s13054-023-04663-8
CRITICAL CARE NETWORK
Nonrespiratory Critical Care Section
Nutrition plays an important role in the management and recovery of critically ill patients admitted to the ICU. Major guidelines recommend that critically ill patients should receive 1.2 to 2.0 g/kg/day of protein, with an emphasis on early (within 48 hours of ICU admission) enteral nutrition.1-3
In a randomized controlled trial involving 173 critically ill patients who stayed in the ICU in Zhejiang, China, Wang and colleagues studied the impact of early high protein intake (1.5 g/kg/day vs 0.8 g/kg/day).4 The primary outcome of 28-day mortality was lower among the high protein intake group (8.14% vs 19.54%). Still, this intention-to-treat analysis did not reach a statistical significance (P = .051). However, a time-to-event analysis using the Cox proportional hazard model showed that the high protein intake group had a significantly lower 28-day mortality rate, shorter ICU stays, and improved nutritional status, particularly in patients with sepsis (P = .045).
In a systematic review and meta-analysis involving 19 randomized controlled trials and 1,731 patients, there was no definitive evidence that higher protein intake significantly reduces mortality. However, it may improve specific clinical outcomes like muscle mass retention and shorter duration of mechanical ventilation.5 Similarly, a post hoc analysis on the EFFORT Protein Trial focusing on critically ill patients with acute kidney injury (AKI) showed that higher protein intake did not significantly impact the duration of kidney replacement therapy but was associated with higher serum urea levels and slower time-to-discharge-alive among patients with AKI.6
For critically ill patients, increasing early protein intake to 1.5 g/kg/day is safe and may be beneficial. We still need more data to guide the best approach to determining the protein intake.
References
1. Taylor BE, McClave SA, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). Crit Care Med. 2016;44(2):390-438. doi:10.1097/CCM.0000000000001525
2. Singer P, Blaser AR, Berger MM, et al. ESPEN guideline on clinical nutrition in the intensive care unit. Clin Nutr. 2019;38(1):48-79. doi:10.1016/j.clnu.2018.08.037
3. McClave SA, Taylor BE, Martindale RG, et al. Guidelines for the provision and assessment of nutrition support therapy in the adult critically ill patient: Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). JJPEN J Parenter Enteral Nutr. 2016;40(2):159-211. doi:10.1177/0148607115621863
4. Wang Y, Ye Y, Xuan L, et al. Impact of early high protein intake in critically ill patients: a randomized controlled trial. Nutr Metab. 2024;21(1):39. doi.org/10.1186/s12986-024-00818-8
5. Lee ZY, Yap CSL, Hasan MS, et al. The effect of higher versus lower protein delivery in critically ill patients: a systematic review and meta-analysis of randomized controlled trials. Crit Care. 2021;25(1):260. doi.org/10.1186/s13054-021-03693-4
6. Stoppe C, Patel JJ, Zarbock A, et al. The impact of higher protein dosing on outcomes in critically ill patients with acute kidney injury: a post hoc analysis of the EFFORT protein trial. Crit Care. 2023;27(1):399. doi.org/10.1186/s13054-023-04663-8