• M Tanaka, S Sato, H Naito, and H Nakayama.
• Department of Anaesthesia, University of Tsukuba, Ibaraki, Japan.
• Can J Anaesth. 1994 Mar 1; 41 (3): 236-40.

AbstractWe report the anaesthetic management of a mother, and airway management of a neonate with a prenatal diagnosis of cervical cystic hygroma causing upper airway obstruction. The mortality of such neonates due to upper airway obstruction is reported to exceed 20% following deliveries. Elective Caesarean section was performed under general anaesthesia, and in utero tracheal intubation of the neonate was accomplished under uninterrupted maternal-fetal circulation. By utilizing isoflurane and ritodrine, the heart rate of the neonate remained between 120 to 150 bpm for four minutes following uterine incision. We believe that it is important that a multidisciplinary approach be initiated for planning of airway management of the neonate soon after the diagnosis is made. Laryngoscopy blades larger than normal for neonates, and a portable Doppler to monitor the viability of the neonate were found to be useful in the management of the neonate during in utero tracheal intubation. Although estimated blood loss was not increased, nor did uterine atony occur postoperatively despite the use of ritodrine during Caesarean section, the efficacy and safety of ritodrine to delay placental detachment have not been proved.

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