• Akihiro Kanaya, Tadanobu Yasuda, Akiko Kojima, Toshio Saishu, and Shin Kurosawa.
• Department of Anesthesiology, South Miyagi Medical Center Oogawara 989-1253.
• Masui. 2011 Oct 1;60(10):1176-9.

AbstractWilliams syndrome is characterized by the triad of supravalvular aortic stenosis (SAS), mental retardation and elfin facies. Generally, difficult airway is expected in patients with Williams syndrome by characteristic face. A 26-year-old female with Williams syndrome was scheduled for abdominal myomectomy under general anesthesia. Difficult mask ventilation and tracheal intubation were anticipated because of micrognathia, mandibular retrusion, and a Mallanpati class III airway. Before induction of anesthesia the patient breathed 100% oxygen for 3 minutes. Anesthesia was induced and maintained with propofol, remifentanil and rocuronium bromide. Mask ventilation was easily performed. The direct laryngoscopic view was Cormack grade I and there was no difficulty in the tracheal intubation. After induction of anesthesia, anesthetic course was uneventful. According to the most previous clinical reports in patients with Williams syndrome in Japan, mask ventilation and tracheal intubation were performed easily contrary to preoperative airway assessment. In view of SAS, mental retardation, airway deformity and airway assessment in previous clinical reports, we should select the optimal strategy for airway management in patients with Williams syndrome.

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