In our controlled retrospective analysis of medical records in tertiary care academic medical center, we aimed to investigate the therapeutic effects of hyperbaric oxygen (HBO) therapy combined with steroid administration for idiopathic sudden sensorineural hearing loss (ISSNHL) in comparison with that of steroid administration alone. Our subjects were 130 consecutive inpatients with ISSNHL (hearing levels >/=40 dB; time from the onset of hearing loss to the start of treatment =30 days). Sixty-seven patients underwent HBO plus steroid therapy (HBO group), and 63 were given steroids alone (steroid group). Hearing recovery was evaluated by grade assessment and by the improvement in hearing compared to that in the unaffected contralateral ear. The cure rate and hearing improvement rate were not statistically different between the two groups; however, the recovery rate was significantly higher in the HBO group than in the steroid group (59.7% vs. 39.7%; P < 0.05). With regard to patients with initial hearing levels of >/=80 dB, the hearing improvement rate was significantly higher in the HBO group than in the steroid group (51.1 +/- 7.0% vs. 27.1 +/- 7.8%; P < 0.05), while in patients whose initial hearing levels were <80 dB, hearing outcomes were not statistically different between the two groups. In both the HBO and steroid groups, patients with initial hearing levels of <80 dB showed a better hearing improvement rate than those with initial hearing levels of >/=80 dB. In conclusion HBO therapy shows a significant additional effect in combination with steroid therapy for ISSNHL, particularly in patients with severe hearing loss.
Taking into account the impact of nasal airway resistance on sleep-disordered breathing, the present results suggest that chronic nasal obstruction impairs QOL, at least partially, through excessive daytime sleepiness possibly caused by sleep-disordered breathing. We stress that sufficient and appropriate rhinologic treatment may improve the quality of daily and social activities of individuals with sinonasal diseases.
Induction of sleep-disordered breathing (SDB) is a possible cause of excessive daytime sleepiness and impaired QOL in subjects with nasal obstruction. A variant of SDB such as silent upper respiratory resistance syndrome may participate in this phenomenon in the absence of snoring.
Hyalinizing clear cell carcinoma is a low-grade indolent and rare salivary gland tumor originally described by Milchgrub et al. in 1994. We herein report a case of this tumor of the base of the tongue. A 66-year-old Japanese woman presented with a large painless mass in the throat. Computed tomography and magnetic resonance imaging revealed a 40x30-mm well-defined ovoid tumor arising from the base of the tongue. She underwent tracheostomy followed by a resection of the tumor via the transmandibular approach combined with a right-sided supra-omohyoid neck dissection. Because the tumor invasion of the surrounding tissue was limited, the surgical defect at the base of the tongue was relatively small, and no reconstructive procedure needed to be performed. The tumor was histopathologically diagnosed as hyalinizing clear cell carcinoma of the minor salivary gland. Her postoperative clinical course was uneventful. No aspiration or difficulty upon deglutition was recognized when she started transoral ingestion on the eighth postoperative day. The patient is currently free from disease 21 months after surgery. The pathology, clinical characteristics, and treatment of hyalinizing clear cell carcinoma are bibliographically reviewed.
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