- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00638339
Effects Of Invasive And Noninvasive Mechanical Ventilation On Sleep In The Intensive Care Unit (ICU)
Effects Of Invasive And Noninvasive Mechanical Ventilation On Sleep In The Icu
Study Overview
Status
Detailed Description
Sleep in critically-ill patients is commonly severely fragmented, and sleep architecture is altered as compared to a healthy person. This abnormal sleep may cause some important adverse psychological and physiological consequences. Noise, light, patient-care activities, pain, or medications are some of the contributing factors to sleep disruption in the ICU. Recent evidence also suggests that invasive mechanical ventilation (IMV) itself may lead to sleep fragmentation in the ICU. Noninvasive ventilation (NIV) is a well-established, relatively new form of ventilation which improves sleep quality or gas exchange in some patients with chronic hypoventilatory disorders. Although sleep may be disrupted due to discomfort from the mask or air leaking during NIV use; intermittent use of NIV may result in better sleep quality between NIV sessions. The effects of NIV on sleep in the acute care setting have not yet been studied.
The purpose of the study is to describe the sleep architecture of a cohort of critically-ill patients using NIV, comparing findings to a reference group of patients using (IMV).
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
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Massachusetts
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Boston, Massachusetts, United States, 02111
- Tufts-New England Medical Center Medical ICU and Coronary Care Unit
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age > 18 yrs
- Receiving invasive or noninvasive mechanical ventilation
- Anticipated further ventilation of at least 24-hour duration for IMV and 8 hours/ 24 hours for NIV
Exclusion Criteria:
- Pre-morbid diseases that could interfere with interpretation of sleep monitoring including CNS disorders (strokes, encephalopathic states), dementia, and known sleep disorders
- On home BiPAP or CPAP
- Depressed sensorium as evidence by Glasgow Coma Score < 10, need for continuous sedation with Riker Score < 2 and inability to follow verbal commands for sustained 3 hours
- Presence of head trauma, psychiatric illness (including use of antidepressant medication), anoxic brain injury, drug overdose or uncontrolled seizure disorder
- Severe hemodynamic instability (BP< 90 mmHg despite vasopressor therapy) and sepsis
- Recalcitrant hypoxemia (inability to sustain SaO2 > 88%)
- Considered as unstable by ICU team (hemodynamic instability, acute uncontrolled GI bleeding, acute cardiac ischemia or arrhythmias)
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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1
critically ill patients undergoing invasive mechanical ventilation in medical ICU and CCU
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2
critically ill patients undergoing noninvasive mechanical ventilation in medical ICU and CCU
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To define sleep characteristics in critically-ill patients receiving mechanical ventilation in medical ICU and coronary care unit (CCU)
Time Frame: During 24-hour monitorization period (after recruitment into the study)
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During 24-hour monitorization period (after recruitment into the study)
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To compare total sleep time and differences in sleep architecture including time spent in different sleep stages and arousals in critically-ill patients receiving mechanical ventilation in medical ICU and CCU
Time Frame: During 24-hour monitorization
|
During 24-hour monitorization
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To determine sleep patterns during NIV use, correlating sleep with periods of use and air leaking
Time Frame: During 24-hour monitorization
|
During 24-hour monitorization
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To monitor environmental factors including noise, light and patient care activities, and to associate these with sleep patterns
Time Frame: During 24-hour monitorization
|
During 24-hour monitorization
|
To assess associations of severity of illness and sedation usage with sleep patterns
Time Frame: During 24-hour monitorization period
|
During 24-hour monitorization period
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Aylin Ozsancak, MD, Research Fellow
- Principal Investigator: Nicholas S Hill, MD, Chair of Pulmonary, Critical Care and Sleep Medicine Division
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRB-8053
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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