British journal of anaesthesia
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Prevention of persistent pain after breast cancer surgery, via early identification of patients at high risk, is a clinical need. Psychological factors are among the most consistently proposed predictive parameters for the development of persistent pain. However, repeated use of long psychological questionnaires in this context may be exhaustive for a patient and inconvenient in everyday clinical practice. ⋯ Using a data-driven machine-learning approach, a short list of seven items from BDI and STAI is proposed as a basis for a predictive tool for the persistence of pain after breast cancer surgery.
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Previous clinical studies have shown that emergence from isoflurane anaesthesia takes longer in elderly patients compared with middle-aged patients. The current study investigated whether delayed emergence from anaesthesia in older age is associated with the age-related decrease in orexin receptors by using a rat model. ⋯ Age-related decrease in OX1R expression is associated with delayed emergence from isoflurane anaesthesia in aged rats.