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  • Title: Does early repair of lingual nerve injuries improve functional sensory recovery?
    Author: Susarla SM, Kaban LB, Donoff RB, Dodson TB.
    Journal: J Oral Maxillofac Surg; 2007 Jun; 65(6):1070-6. PubMed ID: 17517288.
    Abstract:
    PURPOSE: This study evaluated the relationship between timing of lingual nerve repair and functional sensory recovery. MATERIALS AND METHODS: Using a retrospective cohort study design, the investigators enrolled a sample of subjects who had lingual nerve repair. The predictor variable was time between injury and repair, categorized as early (<90 days after injury) or late (>90 days after injury). The outcome variable was the time to functional sensory recovery (FSR), measured in days. Other variables were categorized as demographic, anatomic, and operative. Uni- and multivariate Cox proportional hazards models were used to evaluate the association between the timing of the repair and time to FSR. RESULTS: The study sample was composed of 64 subjects who had lingual nerve repair between January 1998 and January 2005. The mean time between injury and repair was 153.2 (31-1606) days; 21.9% of subjects had early repair. The mean age was 28.4 +/- 8.0 years, 62.5% of subjects were female; 77% of the injured nerves were repaired by direct suture, and 23% had surgical exploration with decompression/neurolysis. In bivariate analyses, early repair, method of repair, and neuroma were statistically or near-statistically associated with time to FSR (P <or= .12). In a multiple Cox proportional hazards model, early repair was associated with time to FSR (P = .02). Ninety-three percent of subjects in the early repair group achieved FSR within 1 year, compared with 62.9% in the late group (P = .05). CONCLUSIONS: Early repair of lingual nerve injuries results in FSR more frequently and earlier than late repair.
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