J Korean Dysphagia Soc.  2021 Jan;11(1):67-71. 10.34160/jkds.2021.11.1.009.

A Case of Severe Dysphagia after Aesthetic Two-Jaw Surgery

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea


This study reports a case who presented with swallowing difficulty after orthognathic surgery. A female patient, who had undergone orthognathic surgery for esthetic purpose, presented with dysphagia. Administration of botulinum toxin injection to the cricopharyngeus muscle did not relieve or improve the severe dysphagia. The patient required nasogastric tube feeding for about three months. Swallowing ability was recovered after daily rehabilitation therapy and prescribing pyridostigmine. Injuries to the suprahyoid muscles (involved in laryngeal elevation during the pharyngeal phase of swallowing) during orthognathic surgery, and the inadvertent dissemination of inadequately injected botulinum toxin to adjacent muscles, are possible mechanisms of the severe dysphagia experienced by this patient. The authors also reviewed literature on the prevention and management of dysphagia following the orthognathic surgery.


Botulinum toxins; Dysphagia; Modified barium swallowing study; Orthognathic surgery; Pyridostigmine
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