Propofolsleep - A Study on Cardiopulmonary and Pharyngeal Reactions While Drug Induced Sleep Endoscopy (DISE)

NCT ID: NCT03224936

Last Updated: 2025-02-14

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

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2017-08-22

Study Completion Date

2019-12-31

Brief Summary

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While Drug Induced Sleep Endoscopy (DISE) in patients with obstructive sleep apnea syndrome (OSAS) apnea and hypopnea occur. Because of the induced phases of apnea in a controlled setting it is possible to evaluate the related pathophysiology of apnea. We plan to correlate the Patient State Index (PSI) and other physiologic parameters with phases of apnea and hypopnea.

Detailed Description

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DISE is a standard method in diagnosis of OSAS and its specific localisation and severity. 20 patients with polysomnographic diagnosed OSAS will be enrolled in this prospective observational study. All patients would get a DISE because of the before mentioned reasons (localisation and severity) although they wouldn't participate in this study. They will get a 24-h-RR (blood pressure)-measurement, a transthoracic echocardiography, a peak-flow-test and routine lab examination including troponin and proBNP before the examination. Furthermore they have to fill out the Epworth Sleepiness Scale questionaire.

Before starting the DISE a standard-monitoring (Electrocardiography, pulse oximetry, non-invasive blood pressure, patient state index, near infrared spectroscopy, transcutaneous CO2 (carbon dioxide), invasive blood pressure) will be established. After applying the monitoring the DISE is started by target controlled infusion (Marsh Model) with a sighted goal-concentration of 3.0 µg/ml Propofol in 5 minutes. While the examination a stabile snoring-phase with apnoea/hypopnoea is needed. In this moment a video-endoscopy is started to quantify the level of obstruction. After DISE the sedation will end and the patients will be transported to the recovery room or postanesthesia care unit (PACU). For specific order of events a video recording of the DISE will be realized.

Conditions

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Sleep Apnea, Obstructive Electroencephalography Echocardiography Blood Gas Monitoring, Transcutaneous Consciousness Monitors

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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DISE group

All patients in this study group will receive a propofol PSI controlled DISE (drug induced sleep endoscopy).

PSI

Intervention Type DEVICE

The PSI delivered by Masimo Root (Sedline) will be measured in all patients.

Interventions

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PSI

The PSI delivered by Masimo Root (Sedline) will be measured in all patients.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* informed written consent
* age of 18 years or older
* no participation in other prospective interventional studies
* OSAS with a polysomnographic shown AHI (apnea-hypopnea-index) of 15/h or more

Exclusion Criteria

* no written informed consent
* allergies against study medication
* ASA (american society of anesthesiologists) class 4 or higher
* neurodegenerative CNS (central nerve system) or muscle diseases
* pregnant or breastfeeding patients
* 25 % or more central or mixed apneas in polysomnography
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Charite University, Berlin, Germany

OTHER

Sponsor Role lead

Responsible Party

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Sascha Treskatsch

Deputy head of department Department of Anesthesiology and Operative Intensive Care Medicine, CCM and CVK

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Sascha Treskatsch, MD, Prof

Role: PRINCIPAL_INVESTIGATOR

Charite University, Berlin, Germany

Locations

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Charité - Universitätsmedizin Berlin Campus Charité Mitte

Berlin, State of Berlin, Germany

Site Status

Countries

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Germany

References

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Other Identifiers

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Propofolschlaf

Identifier Type: -

Identifier Source: org_study_id

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