Safety of the Nocturnal Passy Muir Valve and Impact on Sleep Quality at an LTACH Setting

March 10, 2026 updated by: Gaylord Hospital, Inc

Assessing the Safety of the Nocturnal Passy Muir Valve and Its Impact on Sleep Quality in an LTACH Setting

Limited research has been done to assess the safety of PMV use during sleep. One prospective study completed by Diez-Gross, et al in 2007 looked at 10 male subjects recorded on two consecutive nights, one night with PMV on and one night with PMV off. All recordings took place in a monitored setting. The variables studied included O2 saturation, apnea index, apnea - hypopnea index, and nursing reports. Conclusion was PMV use for one night in seriously ill tracheostomy patients was not associated with respiratory distress or cardiac issues.

Study Overview

Status

Completed

Conditions

Detailed Description

Currently, the PMV has only been approved by the FDA for daytime use. As such, it is encouraged to remove speaking valves at night. However, there is minimal evidence indicating that the use of speaking valves during nighttime poses a significant risk. Studies focusing on the safety of the PMV for nocturnal use reported no significant effects on patients' well-being, including no significant oxygen desaturations or major cardiopulmonary events. This was shown in pediatric patients and adult patients admitted to an ICU. While promising, these findings are still limited, and additional evidence is needed to demonstrate the safety of nocturnal PMV use before larger studies can be conducted.

It was anecdotally witnessed that patients frequently sleep during the day with the PMV in place, suffering no recourse to adverse events. The primary objective of this study was to determine if nocturnal PMV use can be considered safe within the long-term acute care hospital setting and its impact on sleep quality

Study Type

Interventional

Enrollment (Actual)

33

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

    • Connecticut
      • Wallingford, Connecticut, United States, 06492
        • Gaylord 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. Patient has evidence of respiratory insufficiency requiring a tracheostomy tube without current need for assisted ventilation.
  2. Patient will be continuously monitored with telemetry.
  3. Patient satisfies criteria for the decannulation protocol and agrees to use the Passy Muir Valve during sleep.
  4. Patient is able to follow directions following speech/language/cognitive evaluation or screening completed by the Speech-Language Pathologist and physician assessment.
  5. Patient is at least 18 years old.
  6. An informed consent is signed by patient or Power of Attorney (POA).
  7. Patient is able to tolerate the PMV during the day for a minimum of 6 continuous hours
  8. Patient has a maximum size #6 Shiley cuffless tracheostomy tube or equivalent.

Exclusion Criteria:

  1. Patient identified at time of admission as requiring invasive long-term assisted ventilation.
  2. Patient with documented or suspected upper airway obstruction and/or surgery or permanent tracheostomy tube.
  3. Patient is quadriplegic (due to the inability for a quadriplegic patient to manually self-remove the valve in case of emergency).
  4. Patient or POA failed to sign consent.
  5. Pt has a severe cognitive impairment as determined by a formal cognitive-linguistic evaluation by a licensed Speech Language Pathologist.
  6. Patient unable to meet criteria for decannulation protocol or has failed decannulation protocol within last two weeks.

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: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Tracheostomy Plug
Patients receive tracheostomy plug during night 2.
Experimental: Passy-Muir Valve
Patients receive Passy-Muir Valve during night 1.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Heart Rate
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Measures the number of contractions of the heart per minute (bpm). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
Systolic Blood Pressure
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Measures the pressure in your arteries when your heart beats (mmHg). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
Diastolic Blood Pressure
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Measures the pressure in your arteries when your heart rests between beats (mmHg). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
Body Temperature
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Measures the normal body temperature of participants (°F). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
O2
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Oxygen saturation measures the percentage of oxyhemoglobin in the blood (%). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
ETCO2
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

The level of carbon dioxide that is released at the end of an exhaled breath (mm Hg). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00
Respiratory Rate
Time Frame: Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Measures the breathing rate by number of breaths per minute (bpm). The measurement is an average calculated by dividing the sum of all three time points by 3.

Their respective groups were collected at three time points.

Night 1 at 22:00, 2:00, 6:00 and night 2 at 22:00, 2:00, 6:00

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
PCO2
Time Frame: Morning after night 1 and morning after night 2
The amount of carbon dioxide in the blood in the arterial blood gas measurements (mm Hg).
Morning after night 1 and morning after night 2
PO2
Time Frame: Morning after night 1 and morning after night 2
The amount of oxygen in the blood by the arterial blood gas measurements (mm Hg).
Morning after night 1 and morning after night 2
Bicarbonate
Time Frame: Morning after night 1 and morning after night 2
The amount of bicarbonate in the blood by the arterial blood gas measurements (mmol/L).
Morning after night 1 and morning after night 2
pH
Time Frame: Morning after night 1 and morning after night 2
The amount of pH in the blood is measured by the arterial blood gas measurements.
Morning after night 1 and morning after night 2
Sleep Quality
Time Frame: Morning after night 1 and morning after night 2
This is measured by the Richards-Campbell Sleep Questionnaire, which is recorded on a 0-100 nm (minimum-maximum values) visual scale with higher scores indicating better sleep levels than lower scores.
Morning after night 1 and morning after night 2
Richard Campbell Sleep Questionnaire
Time Frame: Morning after night 1 and morning after night 2
The Richards-Campbell Sleep Questionnaire (RCSQ) is a six-question self-report questionnaire used to assess ICU patients' sleep quality. These six questions assess the domains of sleep depth, sleep latency, awakenings, ability to return to sleep, overall sleep quality, and overnight noise level. The responses were recorded on a 0-100 mm visual analog scale, with higher scores indicating better sleep levels than lower scores. The mean score represents the general perception of sleep quality.
Morning after night 1 and morning after night 2

Collaborators and Investigators

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

Investigators

  • Principal Investigator: Cheryl Tansley, SLP, Gaylord Specialty Healthcare

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

January 1, 2016

Primary Completion (Actual)

January 1, 2018

Study Completion (Actual)

February 1, 2018

Study Registration Dates

First Submitted

December 21, 2023

First Submitted That Met QC Criteria

January 19, 2024

First Posted (Actual)

January 29, 2024

Study Record Updates

Last Update Posted (Actual)

March 11, 2026

Last Update Submitted That Met QC Criteria

March 10, 2026

Last Verified

March 1, 2026

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

Yes

product manufactured in and exported from the U.S.

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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