Abstract
Background Anesthesia providers may need to interpret the output of vital sign monitors based on auditory cues, in the context of multitasking in the operating room. This study aims to evaluate the ability of different anesthesia providers to estimate heart rate and oxygen saturation in a simulation setting. Methods Sixty anesthesia providers (residents, nurse anesthetics, and anesthesiologists) were studied. Four scenarios were arranged in a simulation context. Two baseline scenarios with and without waveform visual aid, and two scenarios with variation of heart rate and/or oxygen saturation were used to assess the accuracy of the estimation made by the participants. Results When the accurate threshold for the heart rate was set at less than 5 beats per minute, the providers only had a correct estimation at two baseline settings with visual aids (p=0.22 and 0.2237). Anesthesia providers tend to underestimate the heart rate when it increases. Providers failed to accurately estimate oxygen saturation with or without visual aid (p=0.0276 and 0.0105, respectively). Change in recording settings significantly affected the accuracy of heart rate estimation (p < 0.0001), and different experience levels affected the estimation accuracy (p=0.041). Conclusion The ability of anesthesia providers with different levels of experience to assess baseline and variations of heart rate and oxygen saturation is unsatisfactory, especially when oxygen desaturation and bradycardia coexist, and when the subject has less years of experience.
Highlights
Anesthesia providers may need to interpret the output of vital sign monitors based on auditory cues, in the context of multitasking in the operating room. is study aims to evaluate the ability of different anesthesia providers to estimate heart rate and oxygen saturation in a simulation setting
Our study shows that the accuracy of anesthesia providers with different levels of experience to detect changes in heart rate and oxygen saturation using auditory cues in a simulated setting is not satisfactory, with the caveat that our results apply to devices/sound tracks and traced parameters employed in our design
Baseline normal values of oxygen saturation can be discriminated by auditory assessment, the ability of anesthesia providers to accurately determine the level of oxygen saturation when this variable is dropping is deficient, especially when it is accompanied by bradycardia
Summary
Anesthesia providers may need to interpret the output of vital sign monitors based on auditory cues, in the context of multitasking in the operating room. is study aims to evaluate the ability of different anesthesia providers to estimate heart rate and oxygen saturation in a simulation setting. Is study aims to evaluate the ability of different anesthesia providers to estimate heart rate and oxygen saturation in a simulation setting. Pulse oximetry monitors yield crucial information for patient care by means of a combination of oxygen saturation and heart rate integrated to plethysmography. This monitor is considered standard of care in Anesthesiology Research and Practice anesthetic practice [3]. Sonification of information obtained from the pulse oximeter, a method to represent data by sounds, is delivered in the form of auditory cues that signal changes in oxygen saturation [4]
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