Incidence
The incidence of anesthesia awareness is higher and have more serious sequelae when muscle relaxants are used. This is because without relaxant the patient will move and the anesthesiologist will deepen the anesthesia.
One study has indicated this phenomenon occurs in about 1 or 2 per 1000 patients or 0.13%. There is conflicting data however as another study suggested it is a rare phenomenon, with an incidence of 0.0068% after review of their data from a patient population of 211,842 patients.
Post operative interview by an anthestist is common practice to elucidate if awareness occurred in the case. If awareness is reported a case review is immediately performed to identify machine, medication, or operator error.
Read more about this topic: Anesthesia Awareness
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