Impact of Combined PSi + NIRS Monitoring in the Prevention of Postoperative Cognitive Disorders in Cardiac Surgery.

Advances in cardiac medicine and anesthesia have made it possible to expand the indications for open heart surgery to increasingly older and more complex patients. This development is taking place in a demographic context where the aging of the world population has become a structural reality. However, postoperative neurocognitive complications, and in particular postoperative cognitive disorders (POCD), are not limited to the elderly. They can affect all adults, including younger adults, particularly in the presence of risk factors such as prolonged cardiopulmonary bypass, deep anesthesia, or episodes of intraoperative cerebral desaturation. The PSi-NIRS study was designed with this broad perspective in mind. It will include all adult patients (≥18 years) eligible for cardiac surgery under extracorporeal circulation, with a secondary analysis dedicated to patients aged 65 years and older, a group in which POCD is more frequent, more long-lasting, and often has more serious consequences. This division will allow to assess the impact of cerebral monitoring both in the general adult population and within a well-defined geriatric subgroup. The pathophysiological mechanisms involved in POCD are now better understood. On the one hand, insufficient cerebral oxygenation, even transient, can disrupt neuronal homeostasis for a prolonged period. On the other hand, excessively deep anesthesia, leading to periods of EEG suppression, is recognized as a risk marker for delirium and posto…

This description comes directly from the study's public registry record.

Aimane MENIOUI, MD  ·  3224754103  ·  aimane.menioui@chu-brugmann.be

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