Abstract
To explore the application of lingual artery ultrasound (US) for midline glossectomy in patients with obstructive sleep apnea (OSA). Lingual artery US was performed in 57 OSA patients (OSA group) and 20 normal persons (control group). The differences in the depths of the lingual arteries and the distances between the bilateral lingual arteries were compared between two groups. The correlations between apnea-hypopnea index (AHI), AHI after the nasopharyngeal tube insertion (NPT-AHI), Friedman tongue position (FTP) and all the parameters of lingual arteries were analyzed. Both the depths of the lingual arteries and the distances between the bilateral lingual arteries in the OSA group were larger than those in the control group (P < .01). All the parameters of the lingual arteries in OSA patients were positively correlated with AHI, NPT-AHI and FTP (P < .05). While controlling for body mass index (BMI), all the parameters of the lingual arteries in OSA patients were still correlated with NPT-AHI positively (P ≤ .01). Pre-operative US can show the course of the lingual artery clearly for pre-operative planning. The depth and width of the lingual artery in OSA patients were different from controls. NPT-AHI has high sensitivity in predicting all the parameters of the lingual arteries. FTP is closely correlated with the depth of the lingual arteries.
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