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Malignant Hyperthermia During Translabyrinthine Acoustic Neuroma Surgery After Previous Uneventful Surgery
Isaac Erbele1, Eric Chapman2, Meghan N Wilson3,4
1Division of Neurotology, Department of Otolaryngology, Louisiana State University Health Sciences Center, Baton Rouge and New Orleans, Louisiana.
Objective:
Review current literature and guidelines for malignant hyperthermia in the context of neurotologic surgery.
Patient:
A case of malignant hyperthermia during vestibular schwannoma surgery, in a patient previously exposed to anesthesia.
Interventions:
Excision of vestibular schwannoma, acute management of malignant hyperthermia.
Main Outcome Measures:
Knowledge of the basic pathophysiology, clinical manifestations, and treatment protocols for malignant hyperthermia.
Results:
Rapid termination of the procedure and appropriate modifications in surgical technique permitted expeditious treatment of malignant hyperthermia and prevented its lethality.
Conclusions:
Malignant hyperthermia is a rare and lethal condition that may arise in neurotologic surgery, even in patients who have previously received general anesthesia. The neurotologic surgeon has a role in early recognition and expeditious termination of surgery to help reduce its mortality.
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