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Abnormal oculocardiac reflex in two patients with Marcus Gunn syndrome.

作者信息

Pandey Maitree, Baduni Neha, Jain Aruna, Sanwal Manoj Kumar, Vajifdar Homay

机构信息

Department of Anaesthesiology and Intensive Care, Lady Hardinge Medical College & Assoc. Hospitals, New Delhi, India.

出版信息

J Anaesthesiol Clin Pharmacol. 2011 Jul;27(3):398-9. doi: 10.4103/0970-9185.83693.

Abstract

Marcus Gunn phenomenon is seen in 4 to 6% of congenital ptosis patients. We report two cases of abnormal oculocardiac reflex during ptosis correction surgery. Marcus Gunn syndrome is an autosomal dominant condition with incomplete penetrance. It is believed to be a neural misdirection syndrome in which fibres of the motor division of the trigeminal nerve are congenitally misdirected into the superior pterygoid and the levator muscles. Anesthetic considerations include taking a detailed history about any previous anaesthetic exposure and any reaction to it as this syndrome has a high probability of being associated with malignant hyperthermia. It is also postulated that an atypical oculocardiac reflex might be initiated in these patients as seen in our patients, so precautions must be taken for its prevention and early detection.

摘要

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本文引用的文献

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