Respiratory Physiology Under High Flow Therapy
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| First Received Date ICMJE | December 22, 2011 | ||||||||
| Last Updated Date | September 24, 2012 | ||||||||
| Start Date ICMJE | December 2011 | ||||||||
| Estimated Primary Completion Date | December 2012 (final data collection date for primary outcome measure) | ||||||||
| Current Primary Outcome Measures ICMJE |
Intratracheal pressure conditions [ Time Frame: 2 hours ] [ Designated as safety issue: No ] The effects of high flow transnasal insufflation on intratracheal pressure conditions is measured with the Hans Rudolph Inc. pressure amplifier and continuously recorded breath by breath. |
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| Original Primary Outcome Measures ICMJE |
Intratracheal pressure conditions [ Time Frame: 2 hours ] [ Designated as safety issue: No ] The effects of high flow transnasal insufflation on intratracheal pressure conditions is measured with the Hans Rudolph Inc. pressure amplifier and continously recorded breath by breath. |
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| Change History | Complete list of historical versions of study NCT01509703 on ClinicalTrials.gov Archive Site | ||||||||
| Current Secondary Outcome Measures ICMJE |
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| Original Secondary Outcome Measures ICMJE |
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| Current Other Outcome Measures ICMJE | Not Provided | ||||||||
| Original Other Outcome Measures ICMJE | Not Provided | ||||||||
| Descriptive Information | |||||||||
| Brief Title ICMJE | Respiratory Physiology Under High Flow Therapy | ||||||||
| Official Title ICMJE | Respiratory Physiology Measurements Under Transnasal High Flow Therapy in Patients With Tracheostoma After Long Term Ventilation | ||||||||
| Brief Summary | The aim of this study is to gain knowledge about effects of high flow transnasal insufflation on various breathing parameters like intratracheal pressure conditions, CO2 elimination, breathing frequency and tidal volume. |
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| Detailed Description | Ten patients, who are supplied with a tracheostomy stent (placeholder) for reinsertions after long term ventilation will be treated for a short time during the day with the nasal high flow system AIRVO at different flow rates (15, 30, 45L/min) to estimate possible long term implications of high flow treatment. Respiration is measured by impedance plethysmography with a calibrated belt system (Respitrace, VIASYS). Pressure and end tidal CO2 concentration is measured inside of the placeholder. The order of the high flow rates (15, 30, 45L/min) is randomized; each flow rate is measured for 15 minutes. A wash out time of ten minutes is planned after each phase. In this time the patient breathes his individual oxygen flow rate with attention to the oxygen saturation, which should not exceed 96%. Transcutaneous PCO2 and SpO2 is monitored with TOSCA during the study. |
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| Study Type ICMJE | Interventional | ||||||||
| Study Phase | Not Provided | ||||||||
| Study Design ICMJE | Endpoint Classification: Efficacy Study Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Basic Science |
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| Condition ICMJE | Chronic Obstructive Pulmonary Disease | ||||||||
| Intervention ICMJE | Procedure: High flow therapy
Each patient is treated with nasal high flow at different flow rates (15, 30, 45L/min). The order of flow rates is randomized. Each flow rate will be used for 15 minutes. A wash out time of ten minutes is planned after each phase, during which the patient uses his his individual oxygen flow.
Other Name: AIRVO (Fisher and Paykel) |
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| Study Arm (s) | Experimental: High flow therapy
Intervention: Procedure: High flow therapy |
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| Publications * | Not Provided | ||||||||
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* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. |
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| Recruitment Information | |||||||||
| Recruitment Status ICMJE | Recruiting | ||||||||
| Estimated Enrollment ICMJE | 10 | ||||||||
| Estimated Completion Date | February 2013 | ||||||||
| Estimated Primary Completion Date | December 2012 (final data collection date for primary outcome measure) | ||||||||
| Eligibility Criteria ICMJE | Inclusion Criteria:
Exclusion Criteria:
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| Gender | Both | ||||||||
| Ages | 20 Years to 80 Years | ||||||||
| Accepts Healthy Volunteers | No | ||||||||
| Contacts ICMJE |
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| Location Countries ICMJE | Germany | ||||||||
| Administrative Information | |||||||||
| NCT Number ICMJE | NCT01509703 | ||||||||
| Other Study ID Numbers ICMJE | Trachea 2.0 | ||||||||
| Has Data Monitoring Committee | No | ||||||||
| Responsible Party | Georg Nilius, Helios Klinik Ambrock | ||||||||
| Study Sponsor ICMJE | Institut für Pneumologie Hagen Ambrock eV | ||||||||
| Collaborators ICMJE | Not Provided | ||||||||
| Investigators ICMJE |
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| Information Provided By | Institut für Pneumologie Hagen Ambrock eV | ||||||||
| Verification Date | September 2012 | ||||||||
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ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |
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