Cranial nerve injuries in Le Fort I osteotomy: a systematic review

Publication date: Available online 28 December 2018

Source: International Journal of Oral and Maxillofacial Surgery

Author(s): J.M. dos Santos Alves, B.W. de Freitas Alves, A.C. de Figueiredo Costa, B.G.D.S. Carneiro, L.M. de Sousa, D.V. Gondim

Abstract

The aim of this systematic review was to describe the anatomical and surgical factors related to cranial nerve injuries in Le Fort I osteotomy. The protocol of this systematic review was registered in the International Prospective Register of Systematic Reviews (PROSPERO). Two independent reviewers performed an unrestricted electronic database search in the MEDLINE/PubMed, LILACS, Scopus, Web of Science, and Cochrane databases up to and including August 2018. Thirty-two articles were selected for data extraction and synthesis: 30 studies were identified in the main search and two by a manual search. The level of agreement between the reviewers was considered excellent (κ = 0.779 for study selection and κ = 0.767 for study eligibility). This study revealed that the main nerve affected was the trigeminal nerve, followed by the oculomotor, abducens, optic, facial, and vagus and accessory nerves. Cleft lip and palate patients presented the highest incidence of cranial nerve damage. Cranial nerve damage after Le Fort I osteotomy is not rare. Anatomical and structural knowledge of the patient are necessary in order to minimize the risks of cranial nerve injury in Le Fort I osteotomy.

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