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The Effects of Nutritional Support of Critically Ill Patients Requiring Mechanical Ventilation

Critically Ill Clinical Trial

Official title:
The Effects of Nutritional Support of Critically Ill Patients Requiring Mechanical Ventilation

Clinical Trial Summary

The purpose of this study is to assess the impact of different feeding solutions on patients with breathing difficulty being supported by a breathing machine.

The aim of the study is to determine if high fat-low carbohydrate feeding reduces the carbon dioxide production in patients with respiratory failure.

Clinical Trial Description

Patients who agree to participate in the study and fulfil the inclusion criteria, will be randomised to one of two treatment groups.

1. Standard therapy group. Will receive high carbohydrate, low fat enteral feeding, (16.7% protein, 30% fat and 53.3% carbohydrate). The target rate is determined by the treating physician and dietician, for a minimum of 5 days following randomisation.

2. Alternative therapy group will receive high-fat, low carbohydrate enteral feeding, (16.7% protein, 55.2% fat and 28.1% carbohydrates. At a target rate determined by the treating physician and dietician, for a maximum of 5 days following randomisation.

All patients will receive enteral feeding by continuous flow for 24 hours a day. The decision to commence or cease enteral feeding will remain with the treating physician.

The measurement of VO2, VCO2, resting energy expenditure and respiratory quotient wil be made on all participants 12 hourly for a maximum of 5 days using the direct calorimeter. The indirect calorimeter is connected to the expiratory outlet of the ventilator, collecting and analyzing gas that is normally discharged in to the atmosphere.

The hypothesis of the study is that the use of high- fat, low-carbohydrate enteral feed, significantly reduces the carbon dioxide production and the respiratory quotient in critically ill, mechanically ventilated patients with respiratory failure. Compared to standard high-carbohydrate low-fat enteral feed. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00256074
Study type Interventional
Source Melbourne Health
Contact
Status Terminated
Phase N/A
Start date June 2004
Completion date November 2007
View Details
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