Journal of post anesthesia nursing
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Randomized Controlled Trial Comparative Study Clinical Trial
The effects of two warming methods on core and surface temperatures, hemoglobin oxygen saturation, blood pressure, and perceived comfort of hypothermic postanesthesia patients.
An experimental study was conducted in two PACUs to test the effect of two warming methods on core and surface temperatures, oxygen hemoglobin saturation, blood pressure, and perceived comfort of hypothermic postanesthesia patients. The study was based by Selye's theory of stress, which states that when individuals are confronted with stressors, physiological adaptation occurs to maintain homeostasis. Subjects studied were 91 adult patients who were randomly assigned to two groups: group 1 patients were warmed with the Bair Hugger Warming System (Augustine Medical, Inc, Eden Prairie, MN), and group 2 patients were warmed with warmed bath blankets. ⋯ No significant differences were found between the two groups on core temperature and blood pressure. Implications for PACU nurses include an efficient, cost-saving method to promote patient adaptation to the stressors of inadvertent hypothermia. Further studies are needed to validate the findings from this study and to test nurses' responses to the Bair Hugger Warming System.
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The physiology of the neuromuscular junction has a significant impact on the pharmacology of neuromuscular blockade and associated reversal. Depolarizing and nondepolarizing agents for blockade and enzyme inhibitors for reversal of blockade are discussed. Clinical applications are also reviewed.