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Does the duration of cardiopulmonary bypass, and aortic cross clamping affects the post operative pulmonary function.
Cardiac surgery usually is done under cardiopulmonary bypass. As the blood contacts with the artificial tubing of the circuit, there is release of mediators which affects pulmonary function. Of no doubt that the duration of cardiopulmonary bypass, and cross clamping time, will affect the spell over of such mediators. Follow up of the pulmonary function, and arterial blood gas is mandatory in such group of patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group S | Active Comparator | short time <90 m aortic cross clamping |
|
| group L | Active Comparator | > 90 minutes aortic cross clamping |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| aortic cross clamping | Procedure | duration of cross clamping, less than 90 minutes, or more than 90 minutes |
|
| Measure | Description | Time Frame |
|---|---|---|
| quality of oxygenation | PaO2 mmHg | 48 hours postoperative |
| Measure | Description | Time Frame |
|---|---|---|
| time to extubation | time to extubate in minutes | 24 hours postoperative |
| ventilation | respiratory rate (breath/minute) | 48 hours postoperative |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Emad Z kamel Said, MD | Assiut University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Emad Zarief Kamel Said | Asyut | Asyut Governorate | 71111 | Egypt |
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| carbon dioxide | PaCO2 mmhg | 48 hours |