How To Prevent Ventilator-Related Lung Damage in Intraoperative Mechanical Ventilation? Pcv or Vcv ?

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Introduction: Intraoperative Mechanical Ventilation practices can lead to ventilator-associated lung injury (VILI) and postoperative pulmonary complications in healthy lungs. Mechanical Power has been developed as a new concept in reducing the risk of postoperative pulmonary complications as it takes into account all respiratory mechanics that cause VILI formation. Volume control mode is at the forefront in the old anesthesia devices used in the operating room, and today, together with technology, there are anesthesia devices with many modes and features, as in intensive care units. This causes confusion in the use of mechanical ventilators. In this study, volume and pressure control ventilation modes were compared in terms of respiratory mechanics (including mechanical power) in patients operated in the supine and prone positions. Aim of study: It has been compared the effects on postoperative pulmonary complications (PPH) in terms of VILI risk by calculating mechanical power from advanced respiratory mechanics of patients ventilated in pressure and volume control modes, which are frequently used in operating room applications. Conclusion: There was no statistically significant difference between the groups in terms of demographic data, ariscat score, and ariscat risk group values. The supine and prone mechanical power (MPrs) values of the volume control group were statistically significantly lower than the pressure control group. P values were calculated as 0.012 and 0.001, respectively. Results: Supine and prone MPrs values of the volume control group were calculated significantly lower than the pressure control group. Pressure-controlled intraoperative mechanical ventilation is considered to be disadvantageous in terms of the risk of VILI in the supine and prone position in terms of the current mechanical power concept.

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