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Cardiopulmonary Bypass on Mechanical Power and Postoperative Pulmonary Complications

Pneumonia Clinical Trial

Official title:
The Impact of Two Different Mechanical Ventilation Strategies During Cardiopulmonary Bypass on Mechanical Power and Postoperative Pulmonary Complications

Clinical Trial Summary

During cardiopulmonary bypass (CPB), oxygenation of the patient on the pump can be left completely under pump control, or the lungs can be ventilated with low tidal volume to reduce atelectasis. In recent years, the concept of mechanical power has been used to determine the extent of ventilator-related lung damage. This concept of mechanical power, by which the energy transferred by the ventilator to the lungs can be calculated, will be measured at certain intervals in CPB surgery patients on the pump and compared between the two groups. The investigators aimed to investigate the effect of two different ventilation methods on mechanical power and its relationship with postoperative pulmonary complications.

Clinical Trial Description

Patients will be taken to the operating table after preoperative evaluation. Routine monitoring and routine anesthesia method will be applied to the patient. Access will be made through the radial artery for arterial catheterization. Patients will be ventilated with 6-8 ml/kg tidal volume, 12-14 frequency/min, 5 Positive end expiratory pressure(PEEP), 60% Fraction of inspired oxygen(FiO2) and oxygen saturation over 94. End tidal Carbon dixide(CO2) will be kept in the range of 32-37. After cardiac catheterizations are performed, the pump will be entered, and after all preparations are completed, an aortic cross-clamp will be placed and cardioplegic solution will be sent. After the patient enters the pump at full flow; Group 1: Non-ventilated patient group. Here, patients will be placed in the cardiac bypass mode of the anesthesia machine. Only 150 ml of free air flow will be provided and mechanical ventilation will be turned off. Group 2: Patients will continue to be ventilated at FiO2: 40%, TV: 3 ml/kg, frequency 12 breaths/min, peep: 5 cm/H2O. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06292767
Study type Observational
Source TC Erciyes University
Contact
Status Not yet recruiting
Phase
Start date March 15, 2024
Completion date April 25, 2025
View Details
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