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Item The Impact of Serum 25-Hydroxyvitamin D3 Levels on Allergic Rhinitis(2019) Coban, Kubra; Oz, Isilay; Topcu, Deniz Ilhan; Aydin, Erdinc; 0000-0002-1219-6368; 31569970; E-3717-2019We aimed to clarify the relation between allergic rhinitis and the serum levels of 25-hydroxivitamin D in the adult population. The study group consisted of 86 patients with allergic rhinitis who were diagnosed with the help of history of allergy, positive signs for allergy, blood samples, and positive skin prick tests; while the control group included 43 age- and sex-matched healthy volunteers with negative skin prick tests. The demographic data, medical history, findings in the physical examinations, serum levels of total immunoglobulin E (IgE) and 25-hydroxyvitamin D, and skin prick test results of the groups were noted. A total of 129 patients fulfilling the necessary criteria were enrolled. The median serum 25-hydroxyvitamin D levels in the study group were significantly lower compared to the control group (P= .014). In the study group, median serum vitamin D levels were significantly higher in men, compared to women (P= .03). There was a significant negative correlation between IgE and vitamin D levels in the allergic rhinitis group (P= .028,r= -0.246). This study showed that patients with allergic rhinitis might be more vulnerable to have lower serum levels of vitamin D. Thus, vitamin D supplementation as an adjunctive therapy may be considered in those patients.Item Benign Paroxysmal Positional Vertigo After Nonotologic Surgery: Case Series(2015) Kansu, Leyla; Aydin, Erdinc; Gulsahi, Kamran; 25838683Benign paroxysmal positional vertigo is one of the most common types of vertigo caused by peripheral vestibular dysfunction. Although head trauma, migraine, longterm bed rest, Menie're disease, viral labyrinthitis, and upper respiratory tract infections are believed to be predisposing factors, most cases of benign paroxysmal positional vertigo are idiopathic. Ear surgery is another cause, but after nonotologic surgery, attacks of benign paroxysmal positional vertigo are rare. We describe three cases of benign paroxysmal positional vertigo attacks after non-otologic surgery (one patient after a nasal septoplasty and two patients after dental endodontic treatment) and discuss the pathophysiological mechanismof benign paroxysmal positional vertigo seen after non-otologic surgery, its diagnosis and treatmentItem Sex differences in adult craniofacial parameters(2015) Avci, Suat; Ergun, Tarkan; Aydin, Erdinc; Kansu, Leyla; 25935592To compare normal male and female craniofacial parameters in adults and evaluate associations of sex and intercochlear distance with other craniofacial parameters. In 60 normal adults (30 men and 30 women) who had no otitis media, craniofacial parameters were measured retrospectively on two-dimensional reformatted computed tomography scans. Compared with women, men had significantly greater mean osseous auditory tube length, cartilaginous auditory tube length, mastoid length, intercochlear distance, sella to posterior nasal spine distance, sella to basion distance, and nasopharynx sagittal area. The intercochlear distance was significantly correlated with mastoid depth, midpoint of the pharyngeal opening distance, sella to nasion distance, and nasopharynx sagittal area and inversely with angle of the auditory tube. Most men and women had Korner septum present, and mean thickness of Korner septum was significantly greater in men than women. Some craniofacial parameters, especially vertical parameters, differ with sex. These differences begin in childhood and continue in adulthood. Sex must be considered when planning a craniofacial morphologic study, and results of a craniofacial morphologic study should be evaluated with caution when there is no sex matching of the patient and control groups.Item The Importance and Place of Adenotonsillectomy in Syndromic Children(2015) Aydin, Erdinc; Babakurban, Seda Turkoglu; 0000-0001-5067-4044; 0000-0001-6864-7378; 29392001; AAI-8856-2021; AAJ-2379-2021Objective: Upper airway obstruction and sleeping disorders are important issues in syndromic children, including mouth, lower-upper jaw, or all facial abnormalities. Tonsillectomy and/or adenoidectomy is required because of systemic problems and upper airway obstruction that increase the existing systemic problems, except those anomalies. However, tonsillectomy and/or adenoidectomy are mostly avoided because of the tendency to cause both intubation/perioperative systemic problems and respiratory complications in the postoperative period and in delays in the oral intake. However, these surgeries are sometimes required. In this context, we present our experience related with performing tonsillectomy and/or adenoidectomy in syndromic children admitted to our hospital. Methods: We retrospectively examined the data on tonsillectomy and/or adenoidectomy performed in syndromic patients in our clinic between 2001 and 2011. Results: We did not observe any postoperative complications in adenoidectomy and/or tonsillectomy performed by the same surgeon in 14 syndromic cases. Conclusion: It should be noted that respiratory problems may arise from many different anatomical regions in syndromic patients. Therefore, surgery should be performed taking into consideration all of these factors in these patients. These patients must be hospitalized in the postoperative period.Item Evaluation of Hearing Loss in Pilots(2015) Atalay, Hayriye; Babakurban, Seda Turkoglu; Aydin, Erdinc; 0000-0001-5067-4044; 0000-0001-6864-7378; 29392000; AAI-8856-2021; AAJ-2379-2021Objective: High-intensity noise sources with an increase in air traffic and sudden changes in atmospheric pressure can cause hearing loss in pilots. The main goal of this research is to examine hearing loss due to age, the total flight hours and aircraft types and to evaluate the effects of personal conditions that can influence the hearing level. Methods: We examined the data of 234 Turkish pilots aged between 25 and 54 years who were examined due to the aviation Law for annual control from January 2005 to January 2014 at Baskent University Medical Faculty, Ankara Hospital. The audiometric results of the pilots were used. While 1, 2, 3, 4, 6, and 8 KHz were used for the airway threshold, 1, 2, and 4 KHz were used for the bone conduction threshold. Results: According to the data of the 234 pilots, there was a significant correlation between high-frequency hearing loss and the total flight hours and pilots' ages. The average hearing loss was higher, particularly in the left ear, in pilots using helicopters than in those using other aircraft types. There was no statistically significant correlation between hearing loss and diabetes, hypercholesterolemia, high blood pressure, anemia, obesity, and smoking. Conclusion: A significant cor-relation was observed between high frequency hearing loss and the total flight hours, pilots' age, and aircraft types in our study.Item Recurrent Pleomorphic Adenoma of the Submandibular Gland(2016) Inan, Serhat; Aydin, Erdinc; Babakurban, Seda Turkoglu; Akcay, Eda Yilmaz; 0000-0001-6864-7378; 0000-0001-6831-9585; 0000-0001-5067-4044; 29392015; AAJ-1407-2021; AAJ-2379-2021; AAK-1960-2021; AAI-8856-2021Pleomorphic adenoma (PA) is the most common benign tumor of salivary glands. Most PAs occur in the parotid (80%), followed by the submandibular gland (10%) and minor salivary and sublingual glands (10%). Submandibular gland PAs usually manifest in the submandibular area as a painless hard mass. Although several recurrent parotid gland PA cases have been reported in the literature, recurrent submandibular gland PA is quite rare. Complete surgical removal of tumor of the submandibular gland and keeping the capsule intact are important to prevent recurrence. Here we present a rare case of submandibular gland PA recurrence that occurred 5 years after the first surgery and methods to prevent recurrence.Item A Rare Cause of Hemifacial Spasm: Papillary Oncocytic Cystadenoma(2016) Erol, Ozan; Aydin, Erdinc; 0000-0001-6864-7378; 27761290; AAJ-2379-2021Background: Hemifacial spasm is a sudden, involuntary and synchronous spasm of the facial muscles. The most frequent cause of this condition is compression of the facial nerves due to vascular pathologies. The most commonly used method of treatment is Botulinum toxin injection. However, the gold standard treatment is surgical treatment. Case Report: A 64-year-old male patient with hemifacial spasms, which had occurred due to a rare parotid mass that had been surgically treated, is presented in this case. Conclusion: This case report demonstrates that long-standing parotid gland masses may compress the facial nerves and cause demyelination in the nerve and thus may cause spasms in the facial muscles.Item A Rare Tumor in the Cervical Sympathetic Trunk: Ganglioneuroblastoma(2016) Erol, Ozan; Koycu, Alper; Aydin, Erdinc; 0000-0003-1290-3509; 0000-0001-6864-7378; 0000-0002-4209-9403; 27965907; AAF-3650-2021; AAJ-2379-2021Ganglioneuroblastoma is a rare tumor with moderate malignancy, which is composed of mature ganglion cells and seen in sympathetic ganglia and adrenal medulla. The diagnosis is possible after cytological and immunohistochemical studies following a needle biopsy or surgical excision. There is no consensus regarding the need for chemo-or radiotherapy after surgery. In this case report, clinical behavior and diagnosis and treatment of the rare tumor cervical ganglioneuroblastoma were discussed.Item Hypoxia parameters, physical variables, and severity of obstructive sleep apnea(2016) Avci, Suat; Avci, Aynur Yilmaz; Lakadamyali, Huseyin; Aydin, Erdinc; 0000-0001-9004-9382; 0000-0001-6864-7378; 0000-0003-2155-8014; F-6770-2019; AAJ-2379-2021; O-3636-2018Objective: To determine the relation between hypoxia and physical parameters in patients who had different levels of severity of obstructive sleep apnea (OSA). Methods: This was a retrospective, cross-sectional study of 259 men who were evaluated with overnight polysomnography. Severity of OSA was graded based on the apnea-hypopnea index (AHI): normal/simple snoring (n=31); mild OSA (n=70); moderate OSA (n=63); severe OSA (n=95). Patients with different severity were divided into subgroups, based on having the lowest or highest values of the total sleep time with oxygen saturation <90% (ST90) or minimum oxygen saturation (min SaO(2)). Results: Median AHI was 20.4 events/hour. Univariate analysis showed that ST90 was correlated with AHI (r=0.772; p <= 0.001) and Epworth sleepiness scale (ESS) (r=0.344; p <= 0.001), and min SaO(2) was inversely correlated with AHI (r=-0.748; p <= 0.001) and ESS (r=-0.319; p <= 0.001). Multivariate linear regression showed that ST90 was independently associated with AHI, ESS, and neck circumference, and min SaO(2) was independently inversely associated with AHI, ESS, and body mass index (BMI). In patients who had severe OSA, the subgroups which had lowest and highest min SaO(2) differed significantly in BMI, modified Mallampati score, neck and waist circumferences, and ret-roglossal Muller grade. In patients with percentage of sleep time with oxygen saturation below 90% (CT90) <10%, the upper limit of ST90 was 36 minutes and corresponded to 70% lower limit of min SaO(2). Conclusion: Hypoxia parameters show significant variation in OSA severity categories. None of the physical parameters had clinically useful relations with hypoxia parameters in OSA patients except patients who had severe OSA.Item A Rare Complication of Tonsillectomy: Subcutaneous Emphysema(2016) Aydin, Erdinc; Erol, Ozan; 0000-0001-6864-7378; 29392042; AAJ-2379-2021Tonsillectomy is one of the surgical procedures that are frequently performed by ear, nose, and throat surgeons. The procedure is associated with many intra-operative and postoperative complications, and the nature of the operation site hampers surgical interventions. Cervicofacial subcutaneous emphysema is characterized by the presence of air within the fascial planes of the head-neck region because of various reasons. It may develop iatrogenically or spontaneously because of trauma. Herein, we report a 4-year-old male patient who presented to our clinic with complaints of frequent tonsillitis and snoring and who developed subcutaneous emphysema involving only the maxillofacial region following tonsillectomy. In addition, treatment strategies have been discussed, taking current literature into account.