Key result
A 36-year-old man failed to regain consciousness for 6 hours following suboccipital craniotomy, likely due to brainstem hypoperfusion during neurosurgical manipulations.
Case Report (n=1)
Hypoperfusion of the brainstem during neurosurgical manipulations can be a rare cause of delayed emergence from anesthesia.
Delayed awakening from anesthesia poses diagnostic challenges.The time for emergence from anesthesia is affected by patient factors, anesthetic factors, duration of surgery, and painful stimulation.However, delayed emergence can have unusual causes.We report a patient who, following termination of general anesthesia, did not regain consciousness for 6 h following surgery.Vital sign measurements, blood gas analysis, administrations of flumazenil and naloxone, and brain scan ruled out several possible causes for the delayed emergence.Apparently, the delayed emergence was a consequence of hypoperfusion of the brainstem during neurosurgical manipulations.To our knowledge, this is the first reported case of delayed anesthesia recovery on this basis.
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Kong et al. (2017) conducted a case report in Delayed recovery from anesthesia (n=1). Suboccipital craniotomy and general anesthesia was evaluated on Time to emergence from anesthesia. A 36-year-old man failed to regain consciousness for 6 hours following suboccipital craniotomy, likely due to brainstem hypoperfusion during neurosurgical manipulations.
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