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Pressure Support Ventilation use Expiratory triggering sensitivity(Esense) to transfer inspiration to expiration,the value of Esense is fixed.That may lead to asynchrony between humans and ventilators,making people uncomfortable and prolonging weaning time.Some ventilators have auto cycle function Based on curves of pressure on respiratory patterns,it will make the transforming more synchrony with humans.Our prospective observational study will prove the superiority of the auto cycle function.
From August 31st 2016 to August 31st 2017, all ARDS 、COPD and postoperative patients admitted to the ICUs will be enrolled. The demographic characteristics, diagnosis, formerly medical history, Ventilator indications, Ventilator data, other respiratory treatments, weaning outcome and 28 day mortality will be recorded
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| E5 Esense 10% | PSV mode using E5 ventilator with Esense 10% | ||
| E5 Esense 30% | PSV mode using E5 ventilator with Esense 30% | ||
| E5 Esense 50% | PSV mode using E5 ventilator with Esense 50% | ||
| Servo-I Esense 10% | PSV mode using Servo-I ventilator with Esense 10% | ||
| Servo-I Esense 30% | PSV mode using Servo-I ventilator with Esense 30% | ||
| Servo-I Esense 50% | PSV mode using Servo-I ventilator with Esense 50% | ||
| E5 Esense autocycle | PSV mode using E5 ventilator with Esense Auto cycle |
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| Measure | Description | Time Frame |
|---|---|---|
| patient-ventilator synchrony using PSV mode between different ventilator for 180mins | 180mins after the patients involved |
| Measure | Description | Time Frame |
|---|---|---|
| Patient Respiratory Patterns during Pressure Support Ventilation for 180mins | 180mins | |
| Patient gas exchange during Pressure Support Ventilation for 180mins | 180mins | |
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Inclusion Criteria:
ARDS,COPD and Postoperative patient
Exclusion Criteria:
variety of reasons can not be placed next to the bed by the nasal EAdi catheter
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mechanical ventilation adult people using PSV mode in ICU
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| ID | Term |
|---|---|
| D012128 | Respiratory Distress Syndrome |
| D029424 | Pulmonary Disease, Chronic Obstructive |
| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D012120 | Respiration Disorders |
| D008173 | Lung Diseases, Obstructive |
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| Effects on Respiratory Patterns in different Expiratory triggering sensitivity for 180mins |
| 180mins |
| work of triggering and respiratory in different Expiratory triggering sensitivity for 180mins | 180mins |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |