Conscious Sedation and Monitored Anesthesia Care
There are various levels of consciousness. Wakefulness and general anesthesia are two extremes of the spectrum. Conscious sedation and monitored anesthesia care (MAC) refer to an awareness somewhere in the middle of the spectrum depending on the degree to which a patient is sedated. It is important to note that awareness/wakefulness is not necessarily correlated with pain or discomfort. The aim of conscious sedation or monitored anesthetic care is to provide a safe and comfortable anesthetic while maintaining the patient's ability to follow commands.
Under certain circumstances, a general anesthetic, whereby the patient is completely unconscious, may be unnecessary and/or undesirable. For instance, with a cesarean delivery, the goal is to provide comfort with neuraxial anesthetic yet maintain consciousness so that the mother can participate in the birth of her child. Other circumstances may include, but are not limited to, procedures that are minimally invasive or purely diagnostic (and thus not uncomfortable). Sometimes, the patient's health may not tolerate the stress of general anesthesia. The decision to provide monitored anesthesia care versus general anesthesia can be complex involving careful consideration of individual circumstances and after discussion with the patient as to their preferences.
Patients who undergo conscious sedation or monitored anesthesia care are never meant to be without recall. Whether or not a patient remembers the procedure depends on the type of medications used, the dosages used, patient physiology, and other factors. Many patients undergoing monitored anesthesia care do not remember the experience.
Read more about this topic: Anesthesia Awareness
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