Diaphragm Atrophy and Dysfunction in Mechanical Ventilation

NCT ID: NCT05211661

Last Updated: 2026-02-09

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

15 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-10-10

Study Completion Date

2028-06-01

Brief Summary

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The gold standard of twitch transdiaphragmatic pressure recordings would ultimately clear the fog around the rate of development of Ventilator induced Diaphragm Dysfunction (VIDD) in mechanically ventilated patients over time.

Through measurements made even after mechanical ventilation (MV) it could be clarified to what extent patients recover from VIDD.

Paired with cortical stimulation and electromyographic recordings of diaphragm muscle potentials, it could be explored to what extent decreased diaphragm excitability due to long term MV contributes to VIDD on the level of motor cortex.

Against that background the present project aims at determining the rate of decline in diaphragm function, strength and control in patients undergoing MV (including measurements after extubation).

Detailed Description

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Evidence both from animal and human studies support the development of ventilator induced diaphragm dysfunction (VIDD) from as early as 24 hours of mechanical ventilation (MV) in the intensive care unit (ICU).

However, while the concept of VIDD seems to be proven now, several questions remain unanswered regarding its actual rate of development and (potentially) recovery after MV.

The gold standard of twitch transdiaphragmatic pressure recordings would ultimately clear the fog around the rate of development of VIDD over time.

Through measurements made even after MV it could be clarified to what extent patients recover from VIDD.

Paired with cortical stimulation and electromyographic recordings of diaphragm muscle potentials, it could be explored to what extent decreased diaphragm excitability due to long term MV contributes to VIDD on the level of motor cortex.

Against that background the present project aims at determining the rate of decline in diaphragm function, strength and control in patients undergoing MV (including measurements after extubation).

Conditions

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Diaphragm Issues Mechanical Ventilation Complication Respiratory Failure Intensive Care (ICU) Myopathy

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Invasively ventilated patients (n=15)

First measurement (comprehensive protocol) within 48 hours from initiation of MV.

Serial measurements every third day including 2 measurements after extubation.

Respiratory Muscle Testing

Intervention Type DIAGNOSTIC_TEST

Comprehensive assessment of respiratory muscle function. Comprehensive assessment of respiratory muscle function to the point of its invasive assessment with recordings of twitch transdiaphragmatic pressure in response to magnetic phrenic nerve stimulation and stimulation of the lower thoracic nerve roots.

Interventions

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Respiratory Muscle Testing

Comprehensive assessment of respiratory muscle function. Comprehensive assessment of respiratory muscle function to the point of its invasive assessment with recordings of twitch transdiaphragmatic pressure in response to magnetic phrenic nerve stimulation and stimulation of the lower thoracic nerve roots.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Initiation of invasive mechanical ventilation in the Intensive Care Unit within 48 hours.
* Expected duration of invasive mechanical ventilation of at least 5 days.

Exclusion Criteria

* Body-mass-index (BMI) \>40
* Expected absence of active participation of the patient in study-related measurements after extubation
* Alcohol or drug abuse
* Non MRI compatible implant in the body
* Slipped disc
* Epilepsy
* Patients in an interdependence or with an employment contract with the principal investigator, Co-PI or his deputy.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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RWTH Aachen University

OTHER

Sponsor Role lead

Responsible Party

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Univ.-Prof. Dr. med. Michael Dreher

Professor Michael Dreher

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Michael Dreher, Professor

Role: STUDY_CHAIR

RWTH Aachen University Hospital

Jens Spiesshoefer, MD

Role: PRINCIPAL_INVESTIGATOR

RWTH Aachen University Hospital

Locations

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RWTH Aachen University

Aachen, , Germany

Site Status RECRUITING

Countries

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Germany

Central Contacts

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Michael Dreher, Professor

Role: CONTACT

+4924180 ext. 88763

Jens Spiesshoefer, MD

Role: CONTACT

+4924180 ext. 37036

Facility Contacts

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Michael Dreher, Professor

Role: primary

+4924180 ext. 88763

References

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Spiesshoefer J, Herkenrath S, Henke C, Langenbruch L, Schneppe M, Randerath W, Young P, Brix T, Boentert M. Evaluation of Respiratory Muscle Strength and Diaphragm Ultrasound: Normative Values, Theoretical Considerations, and Practical Recommendations. Respiration. 2020;99(5):369-381. doi: 10.1159/000506016. Epub 2020 May 12.

Reference Type BACKGROUND
PMID: 32396905 (View on PubMed)

Spiesshoefer J, Henke C, Herkenrath S, Randerath W, Brix T, Young P, Boentert M. Assessment of Central Drive to the Diaphragm by Twitch Interpolation: Normal Values, Theoretical Considerations, and Future Directions. Respiration. 2019;98(4):283-293. doi: 10.1159/000500726. Epub 2019 Jul 26.

Reference Type BACKGROUND
PMID: 31352459 (View on PubMed)

Spiesshoefer J, Henke C, Herkenrath S, Brix T, Randerath W, Young P, Boentert M. Transdiapragmatic pressure and contractile properties of the diaphragm following magnetic stimulation. Respir Physiol Neurobiol. 2019 Aug;266:47-53. doi: 10.1016/j.resp.2019.04.011. Epub 2019 Apr 25.

Reference Type BACKGROUND
PMID: 31029769 (View on PubMed)

Sharshar T, Ross ET, Hopkinson NS, Porcher R, Nickol AH, Jonville S, Dayer MJ, Hart N, Moxham J, Lofaso F, Polkey MI. Depression of diaphragm motor cortex excitability during mechanical ventilation. J Appl Physiol (1985). 2004 Jul;97(1):3-10. doi: 10.1152/japplphysiol.01099.2003. Epub 2004 Mar 12.

Reference Type BACKGROUND
PMID: 15020575 (View on PubMed)

Windisch W, Geiseler J, Simon K, Walterspacher S, Dreher M; on behalf of the Guideline Commission. German National Guideline for Treating Chronic Respiratory Failure with Invasive and Non-Invasive Ventilation: Revised Edition 2017 - Part 1. Respiration. 2018;96(1):66-97. doi: 10.1159/000488001. Epub 2018 Jun 26.

Reference Type BACKGROUND
PMID: 29945148 (View on PubMed)

Windisch W, Geiseler J, Simon K, Walterspacher S, Dreher M; on behalf of the Guideline Commission. German National Guideline for Treating Chronic Respiratory Failure with Invasive and Non-Invasive Ventilation - Revised Edition 2017: Part 2. Respiration. 2018;96(2):171-203. doi: 10.1159/000488667. Epub 2018 Jun 26.

Reference Type BACKGROUND
PMID: 29945156 (View on PubMed)

Other Identifiers

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CTCA 21-279

Identifier Type: -

Identifier Source: org_study_id

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