Articles: postoperative.
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Anatomical, neurological and behavioural research has suggested differences between the brains of right- and non-right-handed individuals, including differences in brain structure, electroencephalogram patterns, explicit memory and sleep architecture. Some studies have also found decreased longevity in left-handed individuals. We therefore aimed to determine whether handedness independently affects the relationship between volatile anaesthetic concentration and the bispectral index, the incidence of definite or possible intra-operative awareness with explicit recall, or postoperative mortality. ⋯ There were 4992 (89.4%) right-handed and 593 (10.6%) non-right-handed patients. Handedness was not associated with (a) an alteration in anaesthetic sensitivity in terms of the relationship between the bispectral index and volatile anaesthetic concentration (estimated effect on the regression relationship -0.52 parallel shift; 95% CI -1.27 to 0.23, p = 0.17); (b) the incidence of intra-operative awareness with 26/4992 (0.52%) right-handed vs 1/593 (0.17%) non-right-handed (difference = 0.35%; 95% CI -0.45 to 0.63%; p = 0.35); or (c) postoperative mortality rates (90-day relative risk for non-right-handedness 1.19, 95% CI 0.76-1.86; p = 0.45). Thus, no change in anaesthetic management is indicated for non-right-handed patients.
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Curr Opin Crit Care · Aug 2014
ReviewPrevention of renal dysfunction in postoperative elderly patients.
To describe the effect of ageing on kidney function and to summarize the benefits of advocated measures to prevent perioperative acute kidney injury (AKI) in elderly patients. ⋯ The future increase in elderly patients being exposed to surgery calls for improved perioperative management to prevent collaterally increased AKI. Although pharmacological therapies aiming to protect the kidneys from harm are under evaluation, hemodynamic optimization and avoidance of nephrotoxic drugs, including HES and hyperchloremic solutions, are critical for the elderly perioperative patient.
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Journal of anesthesia · Aug 2014
Randomized Controlled TrialMethadone patient-controlled analgesia for postoperative pain: a randomized, controlled, double-blind study.
Postoperative pain is an important health-care issue. Patient-controlled analgesia (PCA) is considered the gold standard for systemic postoperative pain treatment. Methadone PCA is used for patients with chronic pain and those in the palliative care setting. However, its efficacy as a first-line drug for acute postoperative pain is unknown. This study evaluated the use of postoperative methadone PCA after total hip arthroplasty (THA) compared with morphine PCA. ⋯ This study demonstrated that methadone PCA prompted less opioid consumption and lower pain scores at rest and at motion in comparison with morphine PCA as postoperative analgesia after THA.
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Acta Anaesthesiol Scand · Aug 2014
Major complications of epidural anesthesia: a prospective study of 5083 cases at a single hospital.
We undertook a prospective study of non-obstetric epidurals placed in surgical inpatients at a single teaching hospital to evaluate the incidence of and potential risk factors for major complications of continuous epidural anesthesia. ⋯ Serious complications were very rare; only one patient had permanent sequelae, and a single epidural hematoma was diagnosed. Post-operative neurologic deficits were more common, but most complications resolved spontaneously within 3 months and they rarely required intervention.