Influence of Trigger Threshold on Controlled Twitch Mouth Pressure

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-06-30

Study Completion Date

2013-06-30

Brief Summary

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The inspiratory pressure trigger is essential when assessing the twitch mouth pressure (Tw Pmo) for avoiding glottic closure. However, the difference in inspiratory pressure trigger threshold may influence the values of Tw Pmo. We sought to determine the trigger threshold for healthy subjects and COPD patients.

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Detailed Description

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Conditions

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COPD Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Participants

Study Groups

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COPD patients

All of the COPD patients included in this study were stable with no episodes of exacerbation within the previous 2 months. Patients with COPD were not currently being treated with oral corticosteroids.

Group Type EXPERIMENTAL

twitch by magstim

Intervention Type PROCEDURE

normal subjects

Fifteen healthy men with normal lung function

Group Type EXPERIMENTAL

twitch by magstim

Intervention Type PROCEDURE

Interventions

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twitch by magstim

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Clinical diagnosis of COPD
2. Stable with no episodes of exacerbation within the previous 2 months
3. Do not currently being treated with oral corticosteroids