Depth of Anesthesia Monitoring – Have We Progressed in 150 Years? Do We Know What We Are Trying to Monitor?
نویسنده
چکیده
The challenge of adequately assessing depth of anesthesia has been with us since the earliest days of our specialty. In 1847 John Snow wrote “The question may be asked whether the medical man can always determine in what degree of etherization the patient is, and by that means estimate correctly whether or not he is liable to pain. I am not sure that he always can, by the mere observation of the patient.” Although much progress has been made in the intervening 153 years, and more recently at an exponential rate, the question and the answer remain unchanged. How best to “observe the patient” is a question fraught with philosophical, physiological and technical challenges.
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