Anesthesia Clinical Trial
Official title:
Chocolate or Sevoflurane: Use of Parosmia to Facilitate More Cooperative Inhalation Inductions in Children
Children undergoing surgery and anesthesia are often negatively impacted by anxiety and fear in the preoperative period. Routine inhalational anesthetic induction is a unique aspect of pediatric anesthesia. Inhalation inductions are usually initiated with sevoflurane with or without nitrous oxide. While less pungent than other volatile agents, sevoflurane at high concentrations and flows used for inhalation inductions still causes children to often repel from the smell. This can lead to an unpleasant interaction and cause heightened anxiety for any subsequent procedures. Olfactory senses are processed in the hippocampus and amygdala and tied to emotion and memory. Parosmia is the distortion of smell perception which can utilized to the pediatric anesthesiologists advantage. It has been demonstrated that using this phenomenon, the anesthesiologist can induce a better smell for the child leading to improved cooperation during an inhalation induction. However, limitations of this study include lack of randomization, small sample size, and use of a nominal scale of yes or no for face mask acceptance. The investigators identified no other studies to validate this potentially powerful tool to optimize anesthetic induction for pediatric patients. The overall objective of this pilot randomized trial is to determine the feasibility of parosmia during inhalation inductions to decrease perioperative stress for children and provide key pilot data to power a larger study to determine effectiveness of parosmia during inhalation inductions to decrease perioperative stress for children and provide key pilot data to power a larger study to determine effectiveness of parosmia.
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