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Preliminary results providing sufficient data
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| Name | Class |
|---|---|
| ADIR Association | OTHER |
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Home non-invasive ventilators are daily used by patients with chronic respiratory failure. There are frequently used with warming and humidifying systems. These systems need to be cared for and frequently washed by the patient.
The aim of this study is to evaluate if the humidifying system of home ventilators are colonized by microbiological germs.
The use of non-invasive ventilators is common for treating respiratory failure. Their care relies on the patients and their carers.
No study has assessed the efficacy of such care with respect to the number of microbiological specimens that remain in the humidifier.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Patients with COPD | Patients established on home non-invasive ventilation for COPD admitted for respiratory review will have a microbiological sampling of the ventilator humidifier |
| |
| Patients with OHS | Patients established on home non-invasive ventilation for obesity hypoventilation syndrome admitted for respiratory review will have a microbiological sampling of the ventilator humidifier |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Microbiological sampling | Diagnostic Test | An microbiological sampling of the ventilator humidifier will be performed. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Prevalence of microbial contamination of non invasive ventilators humidifier | 7 days |
| Measure | Description | Time Frame |
|---|---|---|
| Microbiological ecology in the study population | The microbiological ecology of the ventilator humidifier will be describes (percentage of each pathogen) | 7 days |
| Comparison between COPD and Obesity hypoventilation syndrome patients microbial ecology |
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Inclusion Criteria:
Exclusion Criteria:
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Patients established on long term home non-invasive ventilation admitted for a scheduled review.
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| Name | Affiliation | Role |
|---|---|---|
| Maxime Patout, MD | University Hospital, Rouen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Rouen University Hospital | Bois-Guillaume | Normandy | 76230 | France |
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| ID | Term |
|---|---|
| D029424 | Pulmonary Disease, Chronic Obstructive |
| D010845 | Obesity Hypoventilation Syndrome |
| ID | Term |
|---|---|
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D002908 | Chronic Disease |
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We will compare the microbiological ecology of patients in the COPD and in the Obesity hypoventilation group (percentage of each pathogen in each group)
| 7 days |
| Compliance to recommendations regarding the maintenance of the humidifier | Compliance to recommendations will be assessed by a questionnaire containing 7 items regarding how the humidifier is maintained by the patient :
| 7 days |
| Correlation between compliance to maintenance recommendations and contamination rate | 7 days |
| Comparison of exacerbation frequency in COPD patients and isolation of respiratory pathogens in the humidifier | 12 months |
| D020969 |
| Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D020181 | Sleep Apnea, Obstructive |
| D012891 | Sleep Apnea Syndromes |
| D001049 | Apnea |
| D012120 | Respiration Disorders |
| D007040 | Hypoventilation |
| D012131 | Respiratory Insufficiency |
| D020919 | Sleep Disorders, Intrinsic |
| D020920 | Dyssomnias |
| D012893 | Sleep Wake Disorders |
| D009422 | Nervous System Diseases |
| D009765 | Obesity |
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |