Simple Non-invasive Breathing Device to Improve Pulmonary Flow Pusatility in Single Ventricle Post Fontan

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

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-08-01

Study Completion Date

2024-01-31

Brief Summary

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This is a pilot study using a novel, minimal risk, portable, hands-free oral-positive pressure device (oPEP) in patients with Fontan palliation that will examine whether using this device in both the acute and chronic phase will alter Fontan hemodynamics and create pulsatility in the Fontan circuit and thereby increasing cardiac output. This device is easy to use and poses no significant risk to human subjects. The investigators will measure this through echocardiographic measures including pulsatility in different aspects of the Fontan circuit including IVC, hepatic veins, the Fontan conduit, and pulmonary arteries and aortic blood flow measurements. After demonstration of how to use the device appropriately, the investigators will have patients use the device after their clinical echocardiogram for their clinic appointment. The investigators will ask them to use the device at home 3-4 times a day for 10-15 mins and have them return in approximately 4 weeks to have another echocardiogram done with the same measurements.

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Detailed Description

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The aortic VTI secondary outcome was inadvertently left out of the initial registration and is now reported

Conditions

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Single-ventricle

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Hands-free oral-positive pressure device (oPEP)

Group Type EXPERIMENTAL

Hands-free oral-positive pressure device (oPEP)

Intervention Type DEVICE

This is a pilot study using a novel, minimal risk, portable, hands-free oral-positive pressure device (oPEP) in patients with Fontan palliation that will examine whether using this device in both the acute and chronic phase will alter Fontan hemodynamics and create pulsatility in the Fontan circuit and thereby increasing cardiac output. This device is easy to use and poses no significant risk to human subjects. We will measure this through echocardiographic measures including pulsatility in different aspects of the Fontan circuit including IVC, hepatic veins, the Fontan conduit, and pulmonary arteries and aortic blood flow measurements. After demonstration of how to use the device appropriately, we will have patients use the device after their clinical echocardiogram for their clinic appointment. We will ask them to use the device at home 3-4 times a day for 10-15 mins and have them return in approximately 4 weeks to have another echocardiogram done with the same measurements.

Interventions

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Hands-free oral-positive pressure device (oPEP)

This is a pilot study using a novel, minimal risk, portable, hands-free oral-positive pressure device (oPEP) in patients with Fontan palliation that will examine whether using this device in both the acute and chronic phase will alter Fontan hemodynamics and create pulsatility in the Fontan circuit and thereby increasing cardiac output. This device is easy to use and poses no significant risk to human subjects. We will measure this through echocardiographic measures including pulsatility in different aspects of the Fontan circuit including IVC, hepatic veins, the Fontan conduit, and pulmonary arteries and aortic blood flow measurements. After demonstration of how to use the device appropriately, we will have patients use the device after their clinical echocardiogram for their clinic appointment. We will ask them to use the device at home 3-4 times a day for 10-15 mins and have them return in approximately 4 weeks to have another echocardiogram done with the same measurements.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients with single ventricle with Fontan palliation
* Over the age of 8 years who would be cooperative with breathing through the oPEP device

Exclusion Criteria

* Patients with Fontan palliation under the age of 8 years
* Patients who have interrupted inferior vena cava
* Patients with abnormal pulmonary artery anatomy

Minimum Eligible Age

8 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No