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Updated: Jul 10, 2026

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide
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Published on: January 30, 2026

Nutrition Therapy in Critically Ill Adults.

Jayshil J Patel1, Stephen A McClave2

  • 1Department of Medicine, Division of Pulmonary and Critical Care Medicine, Medical College of Wisconsin, Milwaukee.

The New England Journal of Medicine
|July 8, 2026
PubMed
Summary

Critical illness nutrition requires careful management. Early nutrition is vital, but restrictive energy and standard protein dosing, alongside gradual advancement and monitoring, improve outcomes and prevent complications.

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Last Updated: Jul 10, 2026

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide
04:16

Inspiratory Muscle Training as an Adjunct to the Treatment of Weaning Failure in Critically Ill Patients: A Practical Guide

Published on: January 30, 2026

Area of Science:

  • Critical care medicine
  • Clinical nutrition
  • Metabolic response to critical illness

Background:

  • Adults in acute critical illness experience severe catabolism, inflammation, muscle loss, and gut dysfunction, impacting nutritional needs.
  • Early enteral nutrition (EN) supports gut health, but parenteral nutrition (PN) is a safe alternative if EN is not feasible.

Purpose of the Study:

  • To review current evidence on nutritional strategies in acute critical illness.
  • To guide precise, phase-specific nutrition for optimal patient recovery and muscle preservation.

Main Methods:

  • Analysis of large clinical trials on energy and protein dosing in critical care.
  • Review of adverse events associated with enteral nutrition and strategies for safe delivery.

Main Results:

  • Early full-dose energy delivery provides no benefit over restrictive dosing and may increase complications.
  • High-dose protein shows no advantage and may harm patients with acute kidney injury.
  • Adverse events are common with EN, necessitating gradual advancement and specific preventative strategies.

Conclusions:

  • Restrictive energy and standard protein dosing strategies are recommended, particularly for patients at risk of refeeding syndrome or with circulatory shock.
  • Safe nutrition delivery involves gradual advancement, refeeding syndrome prevention, glycemic control, and avoiding routine gastric residual volume monitoring.
  • Patient heterogeneity necessitates biomarker-guided, phase-specific nutrition to preserve lean muscle mass and enhance recovery.