Objectives The aim of this study was to investigate changes in olfactory function after smoking cessation. Methods We conducted a cross‐sectional study involving 28 volunteers who were admitted to the smoking cessation section of our hospital. Olfactory tests were performed immediately before smoking cessation and 45 days after smoking cessation. The duration of smoking and the number of cigarettes smoked per day were noted. Results The mean duration of smoking was 25.5 ± 12 years, and the participants smoked 21.6 ± 6.6 cigarettes per day. There was a significant improvement in odor discrimination, odor identification, and TDI scores (i.e., the total score of odor threshold, odor discrimination, and odor identification tests) 45 days after smoking cessation (P = .003, P = .002, and P < .001, respectively). Furthermore, a statistically significant negative correlation was found between the duration of cigarette smoking and the Sniffin’ Sticks olfactory tests performed after smoking cessation, namely odor discrimination, odor identification, and TDI (P = .008, P = .002, P = .001, respectively). Conclusion A significant improvement was observed in odor discrimination, odor identification, and TDI scores after smoking cessation. However, this improvement was inversely associated with the duration of smoking, indicating that a longer duration of smoking may result in an insufficient improvement after smoking cessation. Level of Evidence 4 Laryngoscope, 130:E35–E38, 2020

Smoking is known to increase laryngeal inflammation and laryngopharyngeal reflux (LPR), which cause laryngeal irritation. Thus, the aim of this study is to evaluate the changes in the symptoms and the findings of laryngeal irritation in smokers after a smoking cessation period. The reflux symptom index (RSI) and the reflux finding score (RFS) were used for evaluating the symptoms and findings of laryngeal irritation in smokers. Endoscopic examination of the laryngeal structures for RFS and symptom inquiry for RSI were performed at the beginning of the study and after a 2 months of cigarette cessation period. This study was carried out in 24 volunteers (14 female and 10 male), between the ages of 24 and 62 years. When we compared the results of RSI and RFS that were performed before and after the cigarette cession period, we found that there was a significant improvement both in RSI and in RFS ( P < .001 and P < .001, respectively). Also, there was significant correlation between the cigarette smoking period and RFS score that was determined at the beginning of the study ( P = .006, r = .54). A significant improvement was found both in RSI and in RFS after smoking cessation period, which might be the evidence of improvement in laryngeal irritation possibly caused by inflammation due to smoking and LPR. A significant positive correlation was found between smoking period and RFS, especially with vocal fold edema and posterior commissure hypertrophy.

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Purpose: The aim of this study was to evaluate the efficacy of salvage hyperbaric oxygen therapy (HBOT) for sudden sensorineural hearing loss (SSNHL); HBOT is performed after three weeks of the onset of the disease. Methods: This retrospective clinical study included patients with unilateral idiopathic SSNHL. All patients admitted to the hospital with the diagnosis of SSNHL were given standard steroid treatment within the 14 days of the onset of the SSNHL. We compared the two study groups-Group A: patients receiving steroid treatment within the first 14 days; Group B: patients receiving corticosteroid treatment within the first 14 days, but unresponsive to this treatment, and began to receive HBOT after three weeks of the onset of SSNHL for the purpose of salvage therapy. Results: A total of 50 patients were included in the study. The mean age of the patients was 50.6 ± 14.1 years. There was not a significant difference in the degree of hearing loss between the groups based on the findings from audiometric examinations performed at the time of diagnosis. It was observed that salvage HBOT was not effective when the initial and posttreatment audiometric tests were compared. Conclusion: According to our results, salvage HBOT was not efficient when performed three weeks after the onset of the SSNHL for patients who did not respond to corticosteroid treatment.