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Mental function after general anaesthesia for transurethral procedures

Smith, C.; Carter, M.; Yate, P.; Smith, Caroline; Carter, Melody; Sebel, P.; Yates, Sue

Authors

C. Smith

M. Carter

P. Yate

Caroline Smith

Melody Carter

P. Sebel

Sue Yates



Abstract

We have assessed the influence of age and preoperative mental status score on postoperative mental function, using a choice reaction time test. One hundred and twelve patients (mean age 70 yr, range 48-88 yr) were given a standardized general anaesthetic for transurethral procedures. Mental status before anaesthesia was measured with the Clifton Assessment Procedure for the Elderly (CAPE);Reaction time was measured before anaesthesia and for up to 3 days after anaesthesia. Variability in reaction time performance was increased 24 h after anaesthesia in transurethral patients, but not in a control group of orthopaedic patients (P = 0.0006). Factors contributing to increased variability of reaction time after operation in a multiple regression analysis were reduced CAPE score before operation (P < 0.0001), extent of surgery (P = 0.023), postoperative pain (P = 0.007) and postoperative sedative drugs (P = 0.009). Factors not contributing included age, diagnosis of cancer, number of previous operations in pa years, duration of anaesthesia, minimum mean arterial pressure, minimum and maximum perioperative Pco2 values, postoperative pyrexia and poor sleep. © 1991 British Journal of Anaesthesia.

Citation

Yate, P., Carter, M., Smith, C., Sebel, P., Smith, C., Carter, M., & Yates, S. (1991). Mental function after general anaesthesia for transurethral procedures. British Journal of Anaesthesia, 67(3), 262-268. https://doi.org/10.1093/bja/67.3.262

Journal Article Type Article
Publication Date Jan 1, 1991
Journal British Journal of Anaesthesia
Print ISSN 0007-0912
Publisher Elsevier
Peer Reviewed Not Peer Reviewed
Volume 67
Issue 3
Pages 262-268
DOI https://doi.org/10.1093/bja/67.3.262
Keywords mental function, general anaesthesia, transurethral procedures
Public URL https://uwe-repository.worktribe.com/output/1110798
Publisher URL http://dx.doi.org/10.1093/bja/67.3.262




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