Objectives To evaluate the associations between obstructive sleep apnea (OSA) and sensorineural hearing loss (SNHL) and the effects of continuous positive airway pressure (CPAP) therapy on SNHL. Data Sources Ovid Medline, Embase, and Scopus databases. Review Methods A systematic search was done for studies investigating relationships between OSA and SNHL in adults, with manual searches for additional references. The final update was done on December 22, 2021. The Risk of Bias Assessment Tool for Nonrandomized Studies was applied for quality assessments. Results The 20 included studies had a total of 34,442 participants (66% male; mean age, 46.6 years). The OSA group had a significantly worse mean hearing threshold level (HTL) than the control group for midfrequency ranges (500, 1000, 2000 Hz; mean difference, 4.00 dB; 95% CI, 2.40-5.61) and high-frequency ranges (4000, 8000 Hz; mean difference, 6.24 dB; 95% CI, 2.99-9.49). An association between OSA and SNHL was found. When compared with controls, patients with OSA had an odds ratio of 1.52 (95% CI, 1.12-2.06) for midfrequency hearing impairment and 1.19 (95% CI, 1.05-1.34) for high-frequency hearing impairment. However, we did not find significant improvements in midfrequency HTL after CPAP therapy. Conclusions HTL was significantly poorer among participants with OSA (especially in severe cases) than non-OSA controls. Studies on patients with OSA with SNHL treated with CPAP did not show significant improvements in midfrequency HTL. Further studies are warranted on these issues.
Objective This study aimed to evaluate the outcome of granular myringitis treatment of 1 per cent diluted vinegar ear drops or 1 per cent chloramphenicol ear drops and to assess the side effects of 1 per cent diluted vinegar. Method Twenty-four patients aged over 18 years and diagnosed with granular myringitis grade I or II within 90 days of symptom onset were included. Patients were equally randomised into either the 1 per cent diluted vinegar group or the 1 per cent chloramphenicol group. Outcome of treatment and side effects were compared between groups. The main outcome measure was completely epithelialised tympanic membrane at the eight-week period. Results Eleven of 12 patients treated with 1 per cent diluted vinegar had complete recovery. In the 1 per cent chloramphenicol group, 8 of 12 patients recovered. The difference between groups was not statistically significant (p = 0.156). The observed side effects of diluted vinegar included dizziness and mild external auditory canal irritation. Conclusion One per cent diluted vinegar is an interesting option for granular myringitis. Other comparative advantages of 1 per cent diluted vinegar include its low price and no induction of antimicrobial resistance.
Background: Staphylococcus aureus has been proposed as a disease modifier of allergic rhinitis (AR) severity. Although several studies have investigated the prevalence of nasal carriage of S. aureus in healthy controls and AR patients, data from Thailand is scarce.
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