Exploration of Mechanisms for Weaning Failure

NCT ID: NCT06424314

Last Updated: 2024-07-09

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

RECRUITING

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-07-09

Study Completion Date

2025-12-01

Brief Summary

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This study is a prospective physiologic study. The primary study population will be adult invasive tracheal intubated patients with COPD, and investigators will collect relevant demographic data, vital signs, and baseline physiologic parameters of the patients prior to the spontaneous breathing test(SBT).

The participants will be divided into a successful withdrawal group and a failed withdrawal group according to the SBT outcome, and the changes in the above parameters during SBT will be compared between the two groups .

Detailed Description

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This observational study mainly include participants who had invasive mechanical ventilation for ≥48 h and are assessed to be ready for the SBT trial.The SBT approach is based on the low-level pressure support mode.

Prior to the SBT trial, baseline demographic and physiologic data of the participants will be collected, and the participants will be divided into two groups based on the results of the SBT trial: successful and unsuccessful, and the physiologic changes during the SBT trial will be compared between the two groups, respectively.

Conditions

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Weaning Failure Central Respiratory Depression Diaphragm Injury Phrenic Nerve Disorder

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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weaning success

Patient passed SBT test with no need to receive invasive mechanical ventilation 48 hours after extubation

Monitoring of respiratory mechanics parameters

Intervention Type DIAGNOSTIC_TEST

Physiologic recording instrumentation measure maximal transdiaphragmatic pressure,twitch diaphragmatic pressure and maximal diaphragmatic electromyography

weaning failure

Patient failed SBT test or need to receive invasive mechanical ventilation 48 hours after extubation

Monitoring of respiratory mechanics parameters

Intervention Type DIAGNOSTIC_TEST

Physiologic recording instrumentation measure maximal transdiaphragmatic pressure,twitch diaphragmatic pressure and maximal diaphragmatic electromyography

Interventions

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Monitoring of respiratory mechanics parameters

Physiologic recording instrumentation measure maximal transdiaphragmatic pressure,twitch diaphragmatic pressure and maximal diaphragmatic electromyography

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Invasive mechanical ventilation for at least 48 hours

Exclusion Criteria

* neuromuscular disease;Postoperative patients or patients with traumatic brain injury
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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The First Affiliated Hospital of Guangzhou Medical University

OTHER

Sponsor Role lead

Responsible Party

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Guan Lili

MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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The First Hospital of Guangzhou Medical University

Guangzhou, Guangdong, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Lili Guan, MD & PhD

Role: CONTACT

020-81566675

Qiaoyun Huang

Role: CONTACT

020-81566675

Facility Contacts

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Lili Guan, MD & PhD

Role: primary

020-81566675

Qiaoyun Huang

Role: backup

020-81566675

Other Identifiers

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202220252311

Identifier Type: -

Identifier Source: org_study_id

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