The Journal of international medical research
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Review Comparative Study
Cerebral monitoring of anaesthesia on reducing cognitive dysfunction and postoperative delirium: a systematic review.
Objective To assess the efficacy of cerebrally monitoring the depth of anaesthesia in reducing postoperative cognitive dysfunction and postoperative delirium (POD). Methods MEDLINE, EMBASE, and Cochrane Library databases were searched following PRISMA statement guidelines. We included randomized clinical trials (RCTs) comparing electroencephalogram-based and routine care-guided titration of anaesthesia in a systematic review. ⋯ There was no significant difference between BIS- and AEP-based titration of anaesthesia in reducing the risk of POD. Extensive heterogeneity for cardiac and thoracic surgery was identified in the study population, and significant publication bias was found among the POD results. Conclusions BIS- and AEP-guided anaesthesia are associated with significantly reduced risk of POD and long-term cognitive dysfunction.
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Observational Study
Prompt admission to intensive care is associated with improved survival in patients with severe sepsis and/or septic shock.
Objective To investigate the association between time from hospital admission to intensive care unit (ICU) admission (door to ICU time) and hospital mortality in patients with sepsis. Methods This retrospective observational study included routinely collected healthcare data from patients with sepsis. The primary endpoint was hospital mortality, defined as the survival status at hospital discharge. ⋯ Door to ICU time was significantly longer for non-survivors than survivors (median, 43.0 h [interquartile range, 12.4, 91.3] versus 26.7 h [7.0, 74.2]). In the multivariable regression model, door to ICU time remained significantly associated with mortality (odds ratio [OR] 1.11, 95% confidence interval [CI] 1.006, 1.017) and there was a significant interaction between age and door to ICU time (OR 0.99, 95% CI 0.99, 1.00). Conclusion A shorter time from hospital door to ICU admission was shown to be independently associated with reduced hospital mortality in patients with severe sepsis and/or septic shock.
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Clinical Trial
Median effective dose of nefopam to treat postoperative pain in patients who have undergone laparoscopic cholecystectomy.
Objective Nefopam is thought to reduce postoperative pain; however, the evidence is insufficient. The recommended dose is 20 mg, and the median effective dose (ED50) in the surgical setting reportedly ranges from 17 to 28 mg. However, nefopam frequently produces inadequate postoperative analgesia. ⋯ Eight patients reported pain upon injection, and three were excluded due to severe injection pain and phlebitis. Conclusions The estimated ED50 was higher than the predetermined dose based on previous studies. We recommend that the dose of nefopam be chosen after careful consideration of individual variations and clinical settings.
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Objective Emergence agitation (EA) has a multifactorial origin, and the effect of sugammadex on EA has not been established. We investigated the effect of sugammadex on EA incidence and severity. Methods We performed a retrospective study of children aged 1 to 13 years who underwent strabismus surgery. ⋯ Sugammadex did not significantly affect EA in logistic regression and multiple regression analyses. In the propensity-matched analysis, patients in the sugammadex group showed rapid recovery, but there was no difference in the EA incidence or severity. Conclusion Sugammadex did not affect EA incidence or severity compared with conventional cholinesterase inhibitors, although it showed a favorable recovery profile in children undergoing strabismus surgery.
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Observational Study
Correlation among decreased regional cerebral oxygen saturation, blood levels of brain injury biomarkers, and cognitive disorder.
Objective This study was performed to investigate the correlation among decreased regional cerebral oxygen saturation (rSO2), blood levels of brain injury biomarkers, and postoperative cognitive disorder (POCD) after cardiac surgery with cardiopulmonary bypass (CPB). Methods This prospective observational study included 59 patients undergoing coronary artery bypass graft surgery with CPB. All patients underwent neuropsychological tests (Mini Mental State Evaluation, Rey Auditory Verbal Learning Test, digit span test, digit symbol substitution test, and Schulte table) the day before and 10 days after the surgery. ⋯ After the surgery, no significant changes in the GFAP blood level occurred in any patients. No significant correlations were found among the decreased rSO2, increased NSE blood level, and rate of POCD. Conclusion These results suggest that a decrease in rSO2 during cardiac surgery is not necessarily related to the development of POCD or an increased blood level of the brain injury biomarker NSE.