Articles: postoperative.
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Pulmonary complications are a major cause of peri-operative morbidity and mortality, but have been researched less thoroughly than cardiac complications. It is important to try and predict which patients are at risk of peri-operative pulmonary complications and to intervene to reduce this risk. Anaesthetists are in a unique position to do this during the whole peri-operative period. Pre-operative training, smoking cessation and lung ventilation with tidal volumes of 6-8 ml.kg(-1) and low positive end-expiratory pressure probably reduce postoperative pulmonary complications.
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Cognition may decline after surgery. Postoperative delirium, especially when hyperactive, may be easily recognised, whereas cognitive dysfunction is subtle and can only be detected using neuropsychological tests. ⋯ Postoperative cognitive disorders are associated with increased mortality and permanent disability. Peri-operative interventions can reduce the rate of delirium in the elderly, but in spite of promising findings in animal experiments, no intervention reduces postoperative cognitive dysfunction in humans.
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The SCN9A gene product is a critical component in human pain perception. Recent studies found that single-nucleotide polymorphisms (SNPs) in this gene contributed to the risk and severity of common pain phenotypes. ⋯ The current study provides evidence that postoperative pain was affected by SCN9A variability in gynecological patients. Notably, our results provide the first indication that SCN9A SNP rs4286289 can be used as a predictor for hypersensitivity to postoperative pain.
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The authors evaluated the effect of preoperative β-blocker use on early outcomes in patients undergoing coronary artery bypass grafting (CABG) in Japan. ⋯ In this nationwide registry, the use of preoperative β-blockers did not affect short-term mortality or morbidity in patients undergoing CABG.
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Comparative Study
Opioid information pamphlet increases postoperative opioid disposal rates: a before versus after quality improvement study.
Half of postoperative patients are prescribed an opioid, but a majority do not store or dispose of them properly thus risking diversion. We examined the efficacy of an opioid educational pamphlet addressing opioid weaning, storage, and disposal. We hypothesized that the pamphlet would increase the rate of proper opioid disposal, storage, and weaning. ⋯ The introduction of an education pamphlet significantly improved self-reported proper opioid disposal rates in postoperative patients.