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The objective of the study is to evaluate the reliability of the impedance data in adult subjects measured with five different FOT devices.
The purpose of the study is to evaluate the reliability of the respiratory impedance measured with different FOT (=Forced Oscillation Technique) devices. To this end, the respiratory impedance of fifty adult subjects will be measured in random order with five different forced oscillation devices. As there is no "gold standard" FOT-device, each setup will be compared to all other setups.
Secondary study questions are: 1) is there a specific comfort (or discomfort) associated with the different measuring devices 2) Guidelines state that full chin and cheek support should be applied when measuring the human respiratory impedance. What is the influence of a partial cheek support?
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adult lung function |
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| Measure | Description | Time Frame |
|---|---|---|
| Comparison of the respiratory impedance measured with two different FOT devices | Bland-Altman plot of Zrs measured with two devices | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective evaluation of the Zrs-measurement with a specific FOT device by the investigated subject. | Rating of the subjective experience of the Zrs-measurement with a specific FOT device | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Effect of the mode of cheek support on the Zrs-measurement | The effect of two modes of cheek support on the Zrs-estimate will be assessed in each investigated subject with one (randomly chosen) FOT-device. | 1 day |
Inclusion Criteria:
Exclusion Criteria:
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Healthy adult subjects and patients with obstructibve lung disease
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| Name | Affiliation | Role |
|---|---|---|
| Ellie Oostveen, PhD | University Hospital, Antwerp | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dept. of Pulmonary Medicine, Antwerp University Hospital | Edegem-Antwerp | B-2650 | Belgium |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 14680096 | Background | Oostveen E, MacLeod D, Lorino H, Farre R, Hantos Z, Desager K, Marchal F; ERS Task Force on Respiratory Impedance Measurements. The forced oscillation technique in clinical practice: methodology, recommendations and future developments. Eur Respir J. 2003 Dec;22(6):1026-41. doi: 10.1183/09031936.03.00089403. | |
| 23598954 | Background |
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| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| ID | Term |
|---|---|
| D012140 | Respiratory Tract Diseases |
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| Oostveen E, Boda K, van der Grinten CP, James AL, Young S, Nieland H, Hantos Z. Respiratory impedance in healthy subjects: baseline values and bronchodilator response. Eur Respir J. 2013 Dec;42(6):1513-23. doi: 10.1183/09031936.00126212. Epub 2013 Apr 18. |
| 2868172 | Background | Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet. 1986 Feb 8;1(8476):307-10. |