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Low recruitment
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Dynamic pulmonary hyperinflation (DH) and intrinsic positive end-expiratory pressure (PEEP) are well known problems in COPD patients with acute and chronic respiratory failure. Measurement of intrinsic PEEP level during both, invasive and non-invasive ventilation is of major importance since in some circumstances (e.g. during exercise or during exacerbations) it can significantly increase respiratory workload of COPD patients. Extrinsic PEEP applied during both, invasive and noninvasive ventilation is used to overcome intrinsic PEEP and therefore to avoid or reduce dynamic hyperinflation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Single centre, single arm | Experimental | Noninvasive ventilation with expiratory modulation. Assessment of comfort and blood gases. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Noninvasive ventilation | Device | Expiratory pressure modulation |
|
| Measure | Description | Time Frame |
|---|---|---|
| Visual Analogue Scale | Subjective rating of comfort during expiration | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Minute ventilation | Volume of inhaled air in one minute (L/min) | 1 day |
| Respiratory rate | Number of breaths per minute (breaths/min) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Michael Dreher, MD | Universitätsklinikum Aachen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universitätsklinikum Aachen | Aachen | North Rhine-Westphalia | 52074 | Germany |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Background | Cornelissen CG, Müller T, Schmitz S, Dreher M. Nichtinvasive Beatmung: Patientenkomfort und Sicherheit einer Modulation des expiratorischen Flusses. Pneumologie 2018; 72(S01), S11 |
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| ID | Term |
|---|---|
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D002908 | Chronic Disease |
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| ID | Term |
|---|---|
| D063087 | Noninvasive Ventilation |
| ID | Term |
|---|---|
| D012121 | Respiration, Artificial |
| D058109 | Airway Management |
| D013812 | Therapeutics |
| D012138 | Respiratory Therapy |
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| 1 day |
| Tidal volume | Volume of air that is inhaled or exhaled during normal breathing (mL) | 1 day |
| CO2 transcutaneous (tcCO2) | Arterial carbon dioxide partial pressure (mm Hg) | 1 day |
| pO2 arterial (paO2) | Arterial oxygen partial pressure (mm Hg) | 1 day |
| D020969 |
| Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |