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Postoperative neurocognitive disorders, including postoperative delirium (POD) and postoperaive cognitive dysfunction (POCD), are common complications of perioperative neurocognition in elderly patients undergoing surgery. POD and POCD have short- and long-term consequences, such as increased hospital stays and costs, augmented morbidity and mortality, as well as higher risk for cognitive decline later in life. Therefore, early prevention and diagnosis of these conditions is of great importance.
A number of psychometric tests have been proposed as cognitive screening tools. Given the fact that many of them show weaknesses and difficulties in performance, scientists have sought for more useful alternatives. Montreal Cognitive Assessment (MoCA) is considered to be a good choice, as it has been successfully applied in the perioperative setting. What's more, it has been translated and validated for a Greek population with neurological disorders. Addenbrooke's Congnitive Examination III (ACE III) has been introduced recently into clinical practice. It is an easy to perform and detailed test that covers several neurocognitive domains and has shown high sensitivity and specificity in clinical conditions, including dementia and Alzheimer's disease. Although current literature lacks data concerning its perioperative use, ACE III could prove useful for screening patients undergoing surgery and anesthesia on the basis of its favorable characteristics as mentioned above.
The aim of this study is to translate the ACE III (English version 2012) into Greek and assess its validity in perioperative patients aged >55 years.
Full description
In this prospective cohort study, the ACE III will be translated and adapted into the Greek language by the researchers according to the relative guidelines for cultural adaptation. Backward translation will be performed by a fluent bilingual specialist to ensure the optimum reliability of the questionnaire.
A total of 128 surgical patients are planned to be enrolled in the study protocol after informed consent. Primary screening of the whole population will be conducted at the pre-admission clinic using the MoCA test by two examiners in order to determine their cognitive status. Simultaneously, the ACE III will be applied to set the baseline measurements for each participant. Subjects with MoCA score <26 will form the patients' group while those with MoCA scores at least 26 will form the control group.
Screening with both MoCA and ACE-III tests will be repeated the day before surgery with at least a 7-day gap between the two assessments.
Total scores and subscores at both time-points will be calculated and comparative performance of all participants will be assessed after statistical analysis of collected data.
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128 participants in 2 patient groups
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Georgia Tsaousi, Ass. Prof.; Maria Zouka, MD
Data sourced from clinicaltrials.gov
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