In order for the brain, which is the most metabolically active organ of our body, to maintain its functions, it must reach oxygen saturation in the best way with continuous and rich blood flow. Neurosurgery patients are followed for a while in the intensive care unit with a mechanical ventilator. During the care of the patient in mechanical ventilation; position changes, head height, endotracheal aspiration, oral care and invasive procedures that cause painful stimuli to the patient are factors that can affect brain perfusion pressure and oxygenation status of brain cells. It is known that high intracranial pressure, especially during and after endotracheal aspiration application, causes serious conditions in patients by disrupting cerebral blood flow. It is also seen that cerebral blood flow is associated with head and body positions given in the postoperative period. It is stated in the literature that neurosurgical patients should be 30-45 degrees for proper head height in bed. In these patients, the height of the head should be in a suitable position for the correction of cerebral blood flow, which deteriorates during endotracheal aspiration, since autoregulation mechanisms are impaired or always activated. However, when the literature is examined, no information about the ideal head height that should be given to patients during endotracheal aspiration was found. In addition, one of the most important parameters indicating the presence of cerebral complications is monitoring of cerebral oxygenation. It is stated that the most appropriate follow-up for patients should be evaluated by nurses in a non-invasive method. In this study; In neurosurgery intensive care patients, endotracheal aspiration will be applied during endotracheal aspiration at head heights of 15, 30 and 45 degrees and it is aimed to determine the most appropriate head height during and after application by monitoring non-invasive cerebral oximeter device.
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To monitor the change of endotracheal suctioning in cerebral oxygenation parameter with non-invasive monitor in neurosurgery intensive care patients and to look at the statistical significance of the change.
Timeframe: The measurement will start with recording the value before the endotracheal suctıonıng application and end with recording the value at 30 minutes after the application. Results will be determined after reporting at the end of 1 year.