Glottic Width and Respiratory Flow in Patients With Various Lung Diseases

University Hospital Essen

Status: Completed

Conditions: Lung Diseases

Treatments: Other: Laryngoscopy

Study type: Observational

Funder types: Other

Identifiers

NCT02460757

RLKEssenVC

Details and patient eligibility

About

In this study the investigators examine the glottic width and the respiratory flow at rest in patients with various lung disease. The investigators postulated that a positive expiratory pressure is created through the narrowing of the glottic width in patients with hyperinflation.

Enrollment: 56 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Clinical indication for a bronchoscopy
• Minimum age of 18 years
• Signed informed consent

Exclusion criteria

• Patients requiring mechanical ventilation during bronchoscopy
• Disease of the larynx
• Inability to breathe through the mouthpiece

Trial design

56 participants in 3 patient groups

Patients with COPD

Treatment:

Other: Laryngoscopy

Patients with interstitial lung disease

Treatment:

Other: Laryngoscopy

Healthy subjects

Treatment:

Other: Laryngoscopy