Changes in Nomenclature for Perioperative Cognitive Disorder
Recommendations have been developed for the nomenclature of cognitive changes associated with anaesthesia and surgery; the recommendations appear in the recent issue of the journal Anesthesiology.

"These changes in nomenclature will allow physician anesthesiologists and other medical providers to speak the same language when it comes to postoperative cognitive changes in the elderly. It will help clinicians discuss patient risk and prognosis.", the authors write in the research paper.

The authors note that the fifth edition of the Diagnostic and Statistical Manual for Mental Disorders (DSM-5), and the National Institute for Aging and Alzheimer's Association classification guidelines are used outside of anesthesia and surgery.

The DSM-5 nomenclature of neurocognitive disorder is recommended for clinical purposes, with the term "perioperative neurocognitive disorders" recommended as an overarching term for cognitive impairment identified in the preoperative or postoperative period.

This definition can include cognitive impairment diagnosed preoperatively (neurocognitive disorder), acute events (postoperative delirium), and cognitive decline diagnosed up to 30 days postoperatively (delayed neurocognitive recovery) and up to 12 months (postoperative neurocognitive disorder).

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