Abstract
The purpose of this study was to investigate the incidence and recovery pattern of
neurosensory deficit (NSD) following Le Fort I osteotomy, and to identify the possible
risk factors that might contribute to the complication. A prospective longitudinal
observational study on the incidence of NSD was conducted on patients who received
Le Fort I osteotomy. Subjective and objective standardized neurosensory assessments
were performed preoperatively as the baseline, and postoperatively at 2 weeks, 6 weeks,
3 months, 6 months, 12 months, and 24 months. Possible risk factors for NSD including
patient age and sex, surgeon experience, and Le Fort I osteotomy with or without multi-segmentation
were analysed. Sixty-six patients (43 female, 23 male) with 132 sides of Le Fort I
osteotomy were recruited. The incidence of NSD at 2 weeks, 6 weeks, 3 months, 6 months,
12 months, and 24 months was 81.8%, 59.8%, 39.4%, 19.7%, 7.6%, and 3.2%, respectively.
Subjective severity of NSD improved with time. Older age was found to be a risk factor
for NSD in the early postoperative period, but there was no difference in the long-term.
Patient sex, surgeon experience, and the need for multi-segmentation were not found
to be related to the incidence of NSD after Le Fort I osteotomy.
Key words
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Article info
Publication history
Published online: January 13, 2021
Accepted:
December 24,
2020
Identification
Copyright
© 2021 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
