Trial Outcomes & Findings for Aerosol Particle Concentrations Among Different Oxygen Devices for Spontaneous Breathing Patients With Tracheostomy (NCT NCT04654754)

NCT ID: NCT04654754

Last Updated: 2022-12-21

Results Overview

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

12 participants

Primary outcome timeframe

5 minutes after using the device

Results posted on

2022-12-21

Participant Flow

This is a randomized crossover study, all the 12 patients received the five treatments in a random order.

Participant milestones

Participant milestones
Measure
Spontaneous Breathing Patients With Tracheostomy
Patients who received tracheostomy and had spontaneous breathing, without ventilator support
LVN With T-piece and a Filter
STARTED
12
LVN With T-piece and a Filter
COMPLETED
12
LVN With T-piece and a Filter
NOT COMPLETED
0
High-flow High-humidity With Adapter
STARTED
12
High-flow High-humidity With Adapter
COMPLETED
12
High-flow High-humidity With Adapter
NOT COMPLETED
0
LVN With Trach Collar
STARTED
12
LVN With Trach Collar
COMPLETED
12
LVN With Trach Collar
NOT COMPLETED
0
Venturi With Trach Collar
STARTED
12
Venturi With Trach Collar
COMPLETED
12
Venturi With Trach Collar
NOT COMPLETED
0
High-flow High-humidity With Scavenger
STARTED
12
High-flow High-humidity With Scavenger
COMPLETED
12
High-flow High-humidity With Scavenger
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and spontaneous breathing, without ventilator support
Age, Continuous
50.5 years
STANDARD_DEVIATION 16.6 • n=12 Participants
Sex: Female, Male
Female
6 Participants
n=12 Participants
Sex: Female, Male
Male
6 Participants
n=12 Participants

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of 1-3 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
11000 particles/m3
Interval 6000.0 to 29000.0
Aerosol Particle Concentrations With Size of 1-3 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
10000 particles/m3
Interval 8000.0 to 23000.0
Aerosol Particle Concentrations With Size of 1-3 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
13000 particles/m3
Interval 10000.0 to 31000.0
Aerosol Particle Concentrations With Size of 1-3 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
12000 particles/m3
Interval 7000.0 to 26000.0
Aerosol Particle Concentrations With Size of 1-3 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
13000 particles/m3
Interval 9000.0 to 25000.0

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of <0.3 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
10500000 particles/m3
Interval 7700000.0 to 23000000.0
Aerosol Particle Concentrations With Size of <0.3 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
15200000 particles/m3
Interval 7200000.0 to 26000000.0
Aerosol Particle Concentrations With Size of <0.3 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
12100000 particles/m3
Interval 6900000.0 to 26600000.0
Aerosol Particle Concentrations With Size of <0.3 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
11900000 particles/m3
Interval 7300000.0 to 25500000.0
Aerosol Particle Concentrations With Size of <0.3 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
13000000 particles/m3
Interval 7900000.0 to 25400000.0

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of 0.3-0.5 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
610000 particles/m3
Interval 460000.0 to 1790000.0
Aerosol Particle Concentrations With Size of 0.3-0.5 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
730000 particles/m3
Interval 380000.0 to 3150000.0
Aerosol Particle Concentrations With Size of 0.3-0.5 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
610000 particles/m3
Interval 360000.0 to 1210000.0
Aerosol Particle Concentrations With Size of 0.3-0.5 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
590000 particles/m3
Interval 390000.0 to 1760000.0
Aerosol Particle Concentrations With Size of 0.3-0.5 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
680000 particles/m3
Interval 410000.0 to 1960000.0

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of 0.5-1 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
53000 particles/m3
Interval 35000.0 to 137000.0
Aerosol Particle Concentrations With Size of 0.5-1 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
55000 particles/m3
Interval 36000.0 to 140000.0
Aerosol Particle Concentrations With Size of 0.5-1 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
46000 particles/m3
Interval 36000.0 to 132000.0
Aerosol Particle Concentrations With Size of 0.5-1 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
52000 particles/m3
Interval 36000.0 to 101000.0
Aerosol Particle Concentrations With Size of 0.5-1 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
50000 particles/m3
Interval 42000.0 to 139000.0

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of 3-5 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
6700 particles/m3
Interval 5300.0 to 15200.0
Aerosol Particle Concentrations With Size of 3-5 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
6000 particles/m3
Interval 2500.0 to 15500.0
Aerosol Particle Concentrations With Size of 3-5 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
5700 particles/m3
Interval 4600.0 to 12000.0
Aerosol Particle Concentrations With Size of 3-5 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
6000 particles/m3
Interval 3500.0 to 14100.0
Aerosol Particle Concentrations With Size of 3-5 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
6700 particles/m3
Interval 4900.0 to 12700.0

PRIMARY outcome

Timeframe: 5 minutes after using the device

aerosol particle concentrations (the concentrations of particles inside the room air, the unit is particles per cubic meters) at 1 foot away from the patient

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Aerosol Particle Concentrations With Size of 5-10 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Device With a Scavenger or a Surgical Mask
3200 particles/m3
Interval 2500.0 to 5300.0
Aerosol Particle Concentrations With Size of 5-10 Micrometer at 1 Foot Away From the Patient
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
3500 particles/m3
Interval 2100.0 to 7100.0
Aerosol Particle Concentrations With Size of 5-10 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
3200 particles/m3
Interval 1400.0 to 7400.0
Aerosol Particle Concentrations With Size of 5-10 Micrometer at 1 Foot Away From the Patient
Venturi-adapter With Trach Collar
3900 particles/m3
Interval 1800.0 to 4600.0
Aerosol Particle Concentrations With Size of 5-10 Micrometer at 1 Foot Away From the Patient
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
3500 particles/m3
Interval 2500.0 to 6400.0

SECONDARY outcome

Timeframe: 5 minutes after using the device

Patients would scale their comfort on a 5-point Likert scale, 1 was the most uncomfortable, and 5 was the most comfortable.

Outcome measures

Outcome measures
Measure
Spontaneous Breathing Patients With Tracheostomy
n=12 Participants
Patients who had tracheostomy and could breathe spontaneously without ventilator support
Patient Comfort With Different Oxygen Devices
High-flow High Humidity Oxygen Device With Tracheostomy Adapter
3.5 score on a scale (comfort scores 1-5)
Standard Deviation 1.5
Patient Comfort With Different Oxygen Devices
Large-volume Nebulizer (Cool Aerosol) With Trach Collar
3.8 score on a scale (comfort scores 1-5)
Standard Deviation 1.3
Patient Comfort With Different Oxygen Devices
Venturi-adapter With Trach Collar
3.5 score on a scale (comfort scores 1-5)
Standard Deviation 1.2
Patient Comfort With Different Oxygen Devices
Large-volume Nebulizer (Cool Aerosol) With T-piece and a Filter
3.3 score on a scale (comfort scores 1-5)
Standard Deviation 1.3
Patient Comfort With Different Oxygen Devices
High-flow High Humidity Device With a Scavenger or a Surgical Mask
3.5 score on a scale (comfort scores 1-5)
Standard Deviation 1.2

Adverse Events

Spontaneous Breathing Patients With Tracheostomy

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Jie Li

Rush University

Phone: 3125634643

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place