Influence of Trigger Threshold on Controlled Twitch Mouth Pressure

G

Guangzhou Institute of Respiratory Disease

Status

Completed

Conditions

Healthy
COPD

Treatments

Procedure: twitch by magstim

Study type

Interventional

Funder types

Other

Identifiers

NCT01891942
GIRD-566 (Registry Identifier)

Details and patient eligibility

About

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.

Enrollment

30 patients

Sex

Male

Ages

18 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

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

Exclusion criteria

  • Not stable within the previous 2 months.
  • Patients with COPD were currently being treated with oral corticosteroids

Trial design

Primary purpose

Diagnostic

Allocation

Randomized

Interventional model

Factorial Assignment

Masking

Single Blind

30 participants in 2 patient groups

COPD patients
Experimental group
Description:
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.
Treatment:
Procedure: twitch by magstim
normal subjects
Experimental group
Description:
Fifteen healthy men with normal lung function
Treatment:
Procedure: twitch by magstim

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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