Anesthesia and analgesia
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Anesthesia and analgesia · Nov 2018
ReviewPerioperative Patient Blood Management to Improve Outcomes.
Anemia is common in elective surgery and is an independent risk factor for morbidity and mortality. Historical management of anemia has focused on the use of allogeneic blood transfusion but this in itself is not without risk. It too has been independently associated with morbidity and mortality, let alone the costs and relative shortage of this resource. ⋯ Characterization of the current practice of PBM at each hospital is crucial to facilitate the benchmarking of performance. Barriers to effective implementation such as lack of knowledge should be identified and acted on. Continuous audit of practice with a focus on transfusion rates and patient outcomes can identify areas in need of improvement and provide iterative feedback to motivate and inspire the main stakeholders.
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Balanced general anesthesia, the most common management strategy used in anesthesia care, entails the administration of different drugs together to create the anesthetic state. Anesthesiologists developed this approach to avoid sole reliance on ether for general anesthesia maintenance. Balanced general anesthesia uses less of each drug than if the drug were administered alone, thereby increasing the likelihood of its desired effects and reducing the likelihood of its side effects. ⋯ Because these agents also decrease arousal, the doses of hypnotics and/or inhaled ethers needed to control unconsciousness are reduced. Effective use of this strategy requires simultaneous monitoring of antinociception and level of unconsciousness. We illustrate the application of this strategy by summarizing anesthetic management for 4 representative surgeries.