Endoscopic endonasal approach (EEA) for the skull base surgery has been widely accepted since the advent of image guidance system and new reconstruction method. EEA has the advantage of being non-invasive approach with low morbidity. Among many reconstructive methods nasoseptal flap is the method of choice because of the proximity to the skull base and hypervascularity as a pedicled flap. In this review, the authors introduce the indication, surgical techniques and postoperative complications of nasoseptal flap.
The mean value of ocular vemp asymmetry was significantly higher in the incomplete recovery group than the complete recovery group (p < 0.05). No association was found between the ipsilesional PTA threshold, caloric test, and rate of abnormal EMG and recovery state. However, the initial state of ENoG, initial H-B grade, and oVEMP abnormal findings (Latency & Amplitude symmetry ratio) were significantly correlated with the rate of recovery (p = 0.025, p = 0.013, and p < 0.005, respectively).
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