Does Endurance Improve With the Use of Passy-Muir Valve for Patients With Tracheostomy?

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

26 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-07-29

Study Completion Date

2024-06-24

Brief Summary

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The purpose of this study is to determine if the use of the Passy-Muir Valve improves endurance for patients in the Long Term Acute Care setting as measured with the Six- Minute Walk Test.

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Detailed Description

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A Passy-Muir Valve (PMV) is a one-way valve that blocks air flow from exhalation in patients with a tracheostomy, and redirects it through to the upper airway to enable functional use of the glottis.

Typically, PMVs are used to assist patients being weaned from mechanical ventilation to communicate more effectively after tracheostomy. Devices are available that can be used in-line with the ventilator, as well as after ventilator liberation with a tracheostomy collar. PMVs provide patients with the ability to communicate, swallow, and improve diaphragmatic strength, which lengthens the periods of time that patients remain free from ventilator assistance, which ultimately leads to decannulation.

Use of the PMV during physical therapy helps restore the pressure support in the trunk, allowing for natural increases in intra-thoracic pressure (ITP) and intra-abdominal pressures (IAP) in response to increased postural demands. With an open tracheostomy tube and therefore, an open system, thoracic pressures cannot be increased or sustained as airflow passes through the tracheostomy tube and bypasses the upper airway. This difficulty would be observed when a patient needs to crawl, sit, push, or stand up. The typical means of gross motor movement for mobility is to engage the glottis (vocal cords) to restrict the expiratory lung volume in order to stabilize the chest and upper body. Placing a PMV on the tracheostomy tube closes the system and restores a patient's ability to use the upper airway to control expiratory flow and improve ITP and IAP.

The Six-Minute Walk Test (6MWT) is a commonly used test for the objective assessment of functional exercise capacity for management of patients with moderate to severe pulmonary disease. The patient is asked to walk as far as possible along a 30 meter minimally trafficked corridor for a period of six minutes. The 6MWT is a safe test with rare complications, the most common adverse event is oxygen desaturation below 80%.

Participants will consist of inpatients with tracheostomy who can tolerate use of Passy-Muir Valve; participants will be approached and consented into the study within 72 hours of being deemed medically appropriate for PMV use by medical staff. The 6MWT will be administered each session to assess ambulation distance, alternating open tracheostomy vs Passy-Muir Valve in place on sequential days to compare results. The Borg Rating of Perceived Exertion (RPE) scale will be administered before and after each session to assess patient's subjective rating of physical exertion levels on a scale from 6 through 20; 20 being the most exertion possible. Oxygen saturation and heart rate will be monitored before and after each session via pulse oximeter to assess for physiologic appropriateness of exercise response. For safety of the participant, while performing the six-minute walk test, participants will be allowed to use assistive devices as prescribed by the participant's primary physical therapist.

Sample size: A convenience sample of 30 participants will be collected.

Data: All data will be collected and analyzed in a paired fashion as appropriate; adjustments for abnormal distribution, unequal variance, and repeated measure will be applied as necessary. In the case of missing or inconsistent data due to early withdraw, early participant discharge, or other unforeseen events, the datasets will be evaluated as normal. Paired T-test and Repeated Measures Analysis of Variance (ANOVA) will be conducted to evaluate differences in Borg RPE scores and six-minute walk tests, between treatment arms, as appropriate. Correlation analysis may also be conducted to evaluate if there is any correlation to treatment arm, Borg RPE scores, six-minute walk test, and other variables such as session number.

Conditions

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PMV Exercise Endurance Tracheostomy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

CROSSOVER

6 period Quasi-Randomized Crossover Controlled Study. Enrollment will occur based off tracheostomy census report, site investigators will perform weekly pull of tracheostomy report to recruit appropriate patients.

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Participants and care providers are unable to be masked to the intervention arm due to the nature of the study. As data was collected, investigators were unable to blind the data prior to exporting.

Study Groups

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Open Tracheostomy, Then Speaking Valve

Participants perform the six-minute walk test each study session to assess ambulation distance, first using with an open tracheostomy on day 1 and then switching to a Passy-Muir Valve on day 2. Participants will alternate back and forth between open tracheostomy and Passy-Muir Valve until 3 sessions are completed with each condition.

Group Type EXPERIMENTAL

Open Tracheostomy

Intervention Type OTHER

Participants will perform the six minute walk test with an open tracheostomy. Participants will complete 1 to 3 session over approximately three-weeks.

PMV in place

Intervention Type DEVICE

Participants will perform the six minute walk test with a PMV in place. Participants will complete 1 to 3 sessions over approximately three-weeks.

Speaking Valve, Then Open Tracheostomy

Participants perform the six-minute walk test each study session to assess ambulation distance, first using the Passy-Muir Valve on day 1 and then switching to an open tracheostomy on day 2. Participants will alternate back and forth between the Passy-Muir Valve and open tracheostomy until 3 sessions are completed with each condition.

Group Type EXPERIMENTAL

Open Tracheostomy

Intervention Type OTHER

Participants will perform the six minute walk test with an open tracheostomy. Participants will complete 1 to 3 session over approximately three-weeks.

PMV in place

Intervention Type DEVICE

Participants will perform the six minute walk test with a PMV in place. Participants will complete 1 to 3 sessions over approximately three-weeks.

Interventions

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Open Tracheostomy

Participants will perform the six minute walk test with an open tracheostomy. Participants will complete 1 to 3 session over approximately three-weeks.

Intervention Type OTHER

PMV in place

Participants will perform the six minute walk test with a PMV in place. Participants will complete 1 to 3 sessions over approximately three-weeks.

Intervention Type DEVICE

Other Intervention Names

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Standard PMV Passy-Muir Valve

Eligibility Criteria

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Inclusion Criteria

1. Individual with tracheostomy who can tolerate daily 30 minute Physical Therapy sessions with use of PMV and be able to maintain oxygen saturations above 88% with exertion.
2. Ability to understand and respond to simple verbal instructions and one step commands in English well enough to consent without any interpretation.
3. Ability to ambulate a minimum of 10 feet with/without assistive device and with/without physical assistance.

Exclusion Criteria

1. Active seizures
2. Active Pregnancy
3. Uncontrolled hypertension
4. Cognitive deficits that would disrupt ability to provide informed consent
5. Enteric infection control precautions
6. Ongoing orthostasis
7. Actively on decannulation protocol
8. Medical instability that would cause a doctor to put therapy program on hold

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No