• M P Ntalouka, M Bareka, A G Brotis, A Chalkias, K Stamoulis, A Flossos, P Tzimas, and E Arnaoutoglou.
• Department of Anesthesiology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece.
• Hippokratia. 2020 Jan 1; 24 (1): 8-14.

AimThe lack of standardized tools limits the diagnosis οf postoperative delirium (POD) in the Greek population. Our aim was the translation and the cultural adaptation of the confusion assessment method (CAM) diagnostic algorithm and the nursing delirium screening scale (nu-DESC) in the Greek surgical population, and the determination of their inter-rater reliability.MethodsAfter Ethical approval and registration as a clinical trial (NCT04154176), a prospective cohort study was conducted in the Department of Anesthesiology, University Hospital of Larissa, Greece. Patients at least 60 years old, undergoing elective non-cardiac surgery, under general anesthesia were included.ResultsData from 60 patients, 180 records in total, were analyzed. There was an "almost perfect agreement" between the raters with the use of CAM (Cohen's Kappa estimate: 0.960; 95 % CI: 0.905-1.000) and nu-DESC (Cohen's Kappa estimate: 0.981; 95 % CI: 0.944-1.000). The agreement on each specific question of CAM and nu-DESC ranged from "substantial" to "almost perfect agreement". Based on the CAM, the sensitivity and specificity of nu-DESC were 0.97 (95 % CI: 0.82-1.00) and 0.99 (95 % CI: 0.96-1.00), respectively. The Greek versions of CAM and nu-DESC showed a high inter-rater agreement.ConclusionWith the translation, the cultural adaptation, and the determination of their inter-rater agreement, the CAM diagnostic algorithm and the nu-DESC may serve as reliable instruments for the detection of POD in the Greek population. HIPPOKRATIA 2020, 24(1): 8-14.Copyright 2020, Hippokratio General Hospital of Thessaloniki.

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