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5%) lumbar disc hernia, 24 (5.5%) hearing loss, 19 (4.3%) cubital/carpal tunnel, and 15 (3.4%) workers have lead intoxication. Conclusions Dust, chemicals, ergonomic risks and noise still remain as important occupational health risks in Turkey. It is seen that the existing occupational diseases monitoring system is inadequate to identify and manage the health problems of the workers. An effective and comprehensive occupational disease monitoring system should be established and legal regulations should be planned.Introduction Tracheobronchial stents (TBS) are the principal modalities in the management of central airway obstruction with intrinsic tracheobronchial pathology and extrinsic airway compression. The aim of the study is to assess the indications, surveillance management, complications, and long-term outcomes of the TBS managed by rigid bronchoscopy (RB) in our 10-year experience. Materials and Methods The files of all patients who underwent stenting in two centers from November 2008 to September 2018 were reviewed for background data, type of disease, and indication for the placement of stents, symptoms, treatment, complications and outcome. Result 305 patients were stented with 342 TBS. TBS were placed in both malignant (n= 223) and benign airway diseases (n= 82). The median length of stent stay was 88 (34-280) days in patients with malignancies and 775 (228-2085) days in benign diseases. There was no stent-related mortality. Mucostasis (19%) and granulation tissue formation (17%) were the most common stentrelated complications. Benign nature of the disease, tumors metastatic to tracheobronchial tree, lenght of stent stay, and shape of stent were associated with the development of complications. Conclusions TBS offer a safe and effective therapy for patients with both benign and malign tracheobronchial pathologies.Introduction To investigate the relationship between body mass index (BMI) and the severity of obstructive sleep apnea (OSA) and to determine the BMI cut-off values for sleep-disordered breathing among adult population. Materials and Methods Data from 515 patients were evaluated retrospectively. These included demographic data, BMI, apnea-hypopnea index (AHI), oxygen saturation (SaO2) and oxygen desaturation index (ODI). click here The BMI cutoff value for sleep-disordered breathing was determined and comparisons were made between two groups of patients (BMI ≤ 33 and BMI > 33). Descriptive and comparative analyses were performed using SPSS, version 24. Result Higher BMI values were found to be correlated with diagnosis and severity of OSA and reduced sleep efficiency. Patients in the BMI > 33 group had significantly higher rates of co-morbid diseases than patients in the BMI ≤ 33 group. Patients with BMI ≤ 33 had significantly lower ODI values than patients with BMI > 33. In patients with BMI > 33, arousal index was significantly higher and SaO2 values were lower than those with BMI ≤ 33. In rapid eye movement (REM) sleep-related OSA, BMI values were higher than positional/classical OSA. Conclusions Patients with higher BMI experienced frequent nocturnal oxygen desaturation periods resulting in higher arousal indexes and decreased sleep efficiency. REM sleep-related OSA and high BMI values together may lead to increased nocturnal oxygen demand. We recommend the threshold values of BMI > 33 to be considered for screening OSA among adult population.Introduction Obesity has been considered to be one of the important risk factor for obstructive sleep apnea (OSA). We aimed to investigate the clinical and polysomnographic differences of obese and non-obese OSA patients and how these differences, if any, can be reflected in our daily clinical practice. Materials and Methods The polysomnographic data of 157 consecutive patients that underwent a sleep study were analyzed. Ninety-nine adult patients with a diagnosis of OSA [apnea-hypopnea index (AHI) ≥ 5/hour] were retrospectively assesed in two groups in respect of obese (BMI ≥ 30 kg/m2) or non-obese (BMI 0.05). While in the obese OSA patients the AHI and Epworth Sleepiness sclae were higher (respectively; p= 0.028, p= 0.01), average oxygen saturation at sleep was lower (p less then 0.001). While obese OSA patients had similar ratio of hypertension and atherosclerotic heart disease with non-obese OSA patients, whereas diabetes mellitus was higher in obese OSA group (p= 0.036). The use of antidepressant drug was more common in the non-obese patients than the obese patients (p= 0.011). Conclusions Although obese OSA patients have a more severe disease compared to nonobese OSA patients, there were no significant differences in clinical and polysomnographics findings between two groups. Should be noted that OSA may occur in non-obese patients.Introduction In this study, we aimed to determine the values of anthropometric measurements and rates used in the evaluation of obstructive sleep apnea syndrome (OSAS) in our country. Materials and Methods Twenty accredited sleep centers in thirteen provinces participated in this multicenter prospective study. OSAS symptoms and polysomnographic examination and apnea-hypopnea index (AHI) ≥ 5 cases OSAS study group; patients with AHI less then 5 and STOP-Bang less then 2 were included as control group. Demographic characteristics (age, sex, body mass index-BMI) and anthropometric measurements (neck, waist and hip circumference, waist/hip ratio) of the subjects were recorded. Result The study included 2684 patients (81.3% OSAS) with a mean age of 50.50 ± 0.21 years from 20 centers. The cases were taken from six geographical regions of the country (Mediterranean, Eastern Anatolia, Aegean, Central Anatolia, Black Sea and Marmara Region). Demographic characteristics and anthropometric measurements; age, neck, waist, hip circumference and waist/ hip ratios and BMI characteristics when compared with the control group; when compared according to regions, age, neck, waist, hip circumference and waist/hip ratios were found to be statistically different (p less then 0.001, p less then 0.001, p less then 0.05, respectively). When compared by sex, age, neck and hip circumference, waist/hip ratio, height, weight and BMI characteristics were statistically different (p less then 0.001, respectively). Neck circumference and waist/hip ratio were respectively 42.58 ± 0.10 cm, 0.99 ± 0.002, 39.24 ± 0.16 cm, 0.93 ± 0.004 were found in women. Conclusions The neck circumference was lower than the standard value in men, but higher in women. The waist/hip ratio was above the ideal measurements in both men and women. In this context, the determination of the country values will allow the identification of patients with the possibility of OSAS and referral to sleep centers for polysomnography.