Measured Versus Estimated Energy Requirement in the ICU Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

133 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-10-01

Study Completion Date

2024-03-31

Brief Summary

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The goal of this observational study is to compare energy requirements estimated by predictive equation and indirect calorimetry across different BMI categories, and to examine how these estimates, along with early nutritional strategies and progressive caloric delivery relate to ICU outcomes. The main questions it aims to answer are:

1. To evaluate whether predictive equation and/or indirect calorimetry provides accurate caloric targets in critically ill patients.
2. To identify high-risk malnutrition patients (underweight, normal and overweight, obese) who may benefit most from IC-based measurement.
3. To investigate the impact of caloric strategies and nutritional achievement during the acute phase on the length of ICU stay.

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Detailed Description

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Conditions

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Critical Illness Energy Requirement Equation Indirect Calorimetry Malnutrition

Study Design

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Observational Model Type

OTHER

Study Time Perspective

RETROSPECTIVE

Interventions

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Total energy requirement calculated by predictive equation

Critically ill patients are highly susceptible to malnutrition, making accurate caloric estimation essential to prevent both underfeeding and overfeeding during the acute phase in the ICU. Although predictive equations (PE) are widely used to estimate energy requirement, indirect calorimetry (IC) remains the gold standard. This study aimed to compare energy requirements estimated by PE and IC across different BMI categories.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Length of ICU stay \> 4 days
* Mechanically ventilated adults (\>20 y/o)
* Tube feeding
* At high risk of malnutrition by Global Leadership Initiative on Malnutrition (GLIM) criteria: underweight and obesity
* Doctor's preference: cachexia, hypermetabolic status, TPN etc.,…