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- Samina Ismail and Syeda Rimza Ali.
- Samina Ismail, FCPS, Department of Anaesthesiology, Aga Khan University Hospital, Karachi, Pakistan.
- Pak J Med Sci. 2024 Dec 1; 40 (11): 274627472746-2747.
AbstractMasseter spasm after induction of anaesthesia can be generally defined as a marked difficulty in manual mouth opening that interferes and impedes direct laryngoscopy and tracheal intubation without the presence of temporomandibular joint dysfunction. Several factors have been implicated in the literatures responsible for causing masseter spasm including use of non-depolarizing muscle relaxants, selective serotonin reuptake inhibitor and anxiety. Our case is the first to report masseter spasms with the use of Cis-atracurium in a patient on antidepressant depressant treatment with sertraline and having extreme preoperative anxiety. Anaesthesiologist should be aware of this complication when dealing with anxious patients on antidepressant therapy during induction of anaesthesia. Masseter spasm with locked jaw, can be a potential life-threatening situation particularly in scenarios of "cannot- ventilate-cannot intubate".Copyright: © Pakistan Journal of Medical Sciences.
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