Changes in cognitive function performance in patients after anesthesia.
AbstractThis study evaluates the mental performance of 112 patients (ASA grade 1 and 2) submitted to Orthopaedic, Urologic, Gynecologic, General and ENT surgery in Santo Antonio General Hospital. These patients received different types of anaesthesia: General Balanced Anaesthesia--GBA (n = 80), Total Intravenous Anaesthesia--TIVA (n = 17) and Regional Anaesthesia--RA (n = 15). Cognitive function was tested using the mini mental state test (MMS), which was done 24 hours before and 24 hours after anaesthesia. There was a high correlation between pre and postoperative MMS scores (R = 0.94). Patients in the GBA group show a significant (p < 0.001) decrease in cognitive performance 24 hours after surgery in comparison to the preoperative test. No differences were observed between the pre and postoperative MMS tests in the TIVA and RA groups.
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