Measured energy expenditure in critically ill adult patients

Not Applicable

Completed

• Conditions: Critical illness; Diet and Nutrition - Other diet and nutrition disorders; Public Health - Health service research

• Registration Number: ACTRN12621000007831
• Lead Sponsor: Dr Emma Ridley

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-01-08
• Study Completion: 2023-05-03
• Last Update Posted: 12 September 2023

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 629

Inclusion Criteria

Critically ill adult (=> 18 years) mechanically ventilated patients who had at least one indirect calorimetry measurement in the first 28 days of ICU admission at The Alfred between January 2010 to July 2019 will be considered for inclusion.

Exclusion Criteria

Indirect calorimetry measurements will be excluded if:
• The duration of measurement was <5 minutes;
• Measurements were conducted during treatment with therapeutic hypothermia or extracorporeal membrane oxygenation;
• The average respiratory quotient for the measurement was <0.67 or >1.3 or;
• The coefficient of variation (CV) for VO2 was >50%.

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Measured energy expenditure (kcal and kcal/k/d), which is being collected from the indirect calorimetry device.<br><br>[During ICU admission]

Secondary Outcome Measures

Name	Time	Method
Measured energy expenditure (kcal and kcal/k/d), which is being collected from the indirect calorimetry device.[Acute early (ICU day 1-2) phase of ICU admission ];Measured energy expenditure (kcal and kcal/k/d), which is being collected from the indirect calorimetry device.[Measured energy expenditure (kcal and kcal/k/d) as completed as part of routine clinical care (variable timepoint). This data is being collected from the indirect calorimetry device. ];Measured energy expenditure (kcal and kcal/k/d), which is being collected from the indirect calorimetry device.[Recovery (>7 days) phase of illness of ICU admission ]