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66 patients divided into 3 groups with different modes of ventilation.
Sixty-six patients going through open-heart surgeries were included in the study, divided into 3 groups (P: pressure controlled ventilation, V: volume controlled ventilation, C: control) in accordance with the mode of ventilation. Patients studied for chest x-ray, lung ultrasound, arterial oxygen partial pressure to fractional inspired oxygen ratio (PaO2/FiO2), Alveolar-arterial oxygen gradient, static lung compliance and dynamic lung compliance, taken after induction of anesthesia, 1h post cardiopulmonary bypass, 1h after arrival to cardiac surgical unit.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Volume-controlled ventilation | Active Comparator | During cardiopulmonary bypass period the patients were ventilated with volume-controlled ventilation |
|
| Pressure-controlled ventilation | Active Comparator | During cardiopulmonary bypass period the patients were ventilated with pressure-controlled ventilation |
|
| No ventilation | No Intervention | During cardiopulmonary bypass period the patients were disconnected from ventilator |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Volume controlled ventilation | Device | Changing modes of ventilation during cardiopulmonary bypass |
|
| Measure | Description | Time Frame |
|---|---|---|
| chest x-ray | Chest x ray to detect any lung pathology or changes from baseline like pleural effusion, pulmonary edema or pneumonia | after induction of anesthesia, 1hour post cardiopulmonary bypass and 1hour after arrival to cardiac surgical unit. |
| lung ultrasonography | Lung ultrasonography to detect any lung changes from baseline or development of consolidation, pulmonary edema or pleural effusion | after induction of anesthesia, 1hour post cardiopulmonary bypass and 1hour after arrival to cardiac surgical unit. |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ain Shams University cardiothoracic hospital | Cairo | Egypt |
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| ID | Term |
|---|---|
| D001261 | Pulmonary Atelectasis |
| D010996 | Pleural Effusion |
| ID | Term |
|---|---|
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D010995 | Pleural Diseases |
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| Pressure controlled ventilation | Device | Applying pressure controlled ventilation during cardiopulmonary bypass Period |
|