A Comparative Study of Support Devices for Ventilator-Assisted ICU Patients

September 19, 2024 updated by: National Taiwan University Hospital

Comparison of the Benefits of Different Types of Wearable Respirator Support Devices for Critically Ill Patients in the ICU During Early Mobilization

Assisting critically ill patients with early mobilization or early ambulation during their stay in the intensive care unit (ICU) can reduce the duration of mechanical ventilation use, length of ICU or hospital stay, probability of complications during hospitalization, and sedation days in the ICU and improve disease prognosis. However, over 80% of critically ill patients have endotracheal tubes and require the use of mechanical ventilators in the ICU, and due to the numerous invasive treatments and tubes, there are high concerns regarding the safety of tube stability and risk of tube dislodgement during early mobilization. Although there are commercially available fixed tracheal tubes or external support devices for breathing tubes to prevent displacement, they do not solve the problems of the weight of the breathing tube during ambulation or endotracheal tube slippage. Therefore, through interdisciplinary collaboration, the investigator has designed a "wearable support device" (Type A support device). The unique design of the fixed frame uses a plug-in-latch shape to fix the Y-shaped breathing tube to the patient's chest position. In addition to reducing the displacement of the free section of the endotracheal tube downwards, it can also fix the main body of the breathing tube. The dual-disc strap method allows adjustment of the position and tightness for patients of different body sizes, and a single specification can be used for patients of various body shapes. Currently, a modified version of this wearable support device (Type B support device) has been designed based on clinical suggestions.The purpose of this study is to compare the feasibility, safety, and comfort of using the Type A-support device and the Type B-support device to assist in supporting breathing tubes during early ambulation in ICU patients using mechanical ventilators.

Study Overview

Study Type

Interventional

Enrollment (Estimated)

30

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Zhongzheng
      • Taipei, Zhongzheng, Taiwan, 110
        • National Taiwan University Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Glasgow Coma Scale score of ≥6,
  2. relatively stable respiratory status (oxygen saturation >92%, settings on the mechanical ventilator: fraction of inspired oxygen ≤60%, positive end-expiratory pressure ≤10 cmH2O)
  3. a stable cardiovascular system (resting heart rate ≤130 and >40 beats per minute)
  4. no requirement for high-dose vasopressors >0.2 μg/kg/min).

Exclusion Criteria:

  1. Patients with temporary limb immobilization as prescribed by the physician.
  2. Patients with a tendency to bleed.
  3. Patients with pre-existing mental abnormalities.
  4. Patients who are expected to die within the next 24 hours or are primarily receiving palliative care in the intensive care unit.
  5. Patients with sustained intracranial pressure elevation (> 20 millimeters of mercury (mmHg)).
  6. Pregnant patients.
  7. Uncontrolled epilepsy.
  8. Acute myocardial infarction or rapidly progressing neuromuscular diseases occurring in the intensive care unit.
  9. Patients with abnormal skin conditions such as skin abrasions, redness, swelling, etc., in the chest/back area.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: control group
initially using the Type A device (the NTUH version_support device)
designed the NTUH version_support device based on the clinical suggestion.
Other Names:
  • type B support device
original designed by NTUH
Other Names:
  • type A support device
Experimental: experimental group
initially using the Type B device (improved version_support device)
designed the NTUH version_support device based on the clinical suggestion.
Other Names:
  • type B support device
original designed by NTUH
Other Names:
  • type A support device

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
wearing time
Time Frame: From date of randomization up to 5 days
the time taken to wear support device
From date of randomization up to 5 days
removal time
Time Frame: From date of randomization up to 5 days
the time taken to remove support device
From date of randomization up to 5 days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
5-min heart rate variability (HRV)
Time Frame: From date of randomization up to 5 days
including low-to-high-frequency power ratio (LF/HF) and standard deviation of NN intervals(SDNN)
From date of randomization up to 5 days
mean values of the rapid shallow breathing index (RSBI)
Time Frame: From date of randomization up to 5 days
recorded the ratio of respiratory rate (RR) and tidal volume (VT) and calulated by RR to VT
From date of randomization up to 5 days
user self-reported function, and device satisfaction
Time Frame: From date of randomization up to 5 days
self-made questionnaire
From date of randomization up to 5 days
adverse event
Time Frame: From date of randomization up to 5 days
Observe the abnormality of the skin on the chest/back of the base plate before and after wearing it; Record the number of incidents of accidental slippage of the external oral line while performing early ambulation while wearing the support device.
From date of randomization up to 5 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Hung-Jui Chuang, Dr, National Taiwan University Hospital, Taipei, Taiwan

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 31, 2023

Primary Completion (Estimated)

January 31, 2025

Study Completion (Estimated)

January 31, 2025

Study Registration Dates

First Submitted

July 31, 2023

First Submitted That Met QC Criteria

August 10, 2023

First Posted (Actual)

August 16, 2023

Study Record Updates

Last Update Posted (Actual)

September 23, 2024

Last Update Submitted That Met QC Criteria

September 19, 2024

Last Verified

June 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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