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Clinical and Experimental Otorhinolaryngology

Mahmoud Sakr, Ahmed Mahmoud
Total thyroidectomy is increasingly accepted for the management of bilateral benign thyroid disorders. Postoperatively, patients require lifelong levothyroxine replacement therapy to avoid postoperative hypothyroidism, which besides the burden of compliance, has been proven to be associated with several long-term side effects. Heterotopic thyroid autotransplantation was proposed several decades ago to avoid the need for life-long postoperative replacement therapy with maintaining the autoregulatory mechanism of thyroxin production inside the body according to its needs...
May 24, 2017: Clinical and Experimental Otorhinolaryngology
Young Lee, Mina Park
Objectives: Metabolic syndrome is related with abdominal fat and with age-related hearing loss (ARHL). In this study, we evaluated the association between a variety of factors relevant to abdominal fat (FRAs) and hearing thresholds. Methods: We reviewed retrospectively the medical records of 2,602 subjects aged over 40 years with symmetrical sensorineural hearing loss who underwent abdominal fat computed tomography (CT) scans. Univariate and multivariate linear regression analyses were used to demonstrate the association between each FRA and hearing thresholds at low and high frequencies...
May 11, 2017: Clinical and Experimental Otorhinolaryngology
Khairunnisak Misron, Suzina Sheikh Ab Hamid, Azlina Ahmad, Ramiza Ramza Ramli
Objectives: This case-controlled study aimed to identify the association of tumor necrosis factor (TNF)α-1031 and TNFβ+252 gene polymorphisms between chronic rhinosinusitis (CRS) and healthy controls. Another purpose of this study was to investigate the associations of these gene polymorphisms with factors related to CRS. Methods: All deoxyribonucleic acid (DNA) samples were genotyped for TNFα-1031 and TNFβ+252 genes by mean of polymerase chain reaction (PCR) and restriction fragment length polymorphisms (RFLP)...
April 28, 2017: Clinical and Experimental Otorhinolaryngology
Su Jin Kim, Hyo Yeol Kim, Jong In Jeong, Sang Duk Hong, Seung-Kyu Chung, Hun-Jong Dhong
Objectives: This study evaluated whether the symptoms of laryngopharyngeal reflux (LPR) change after multilevel surgery for obstructive sleep apnea (OSA). Methods: Patients who underwent multilevel surgery for OSA between April 2009 and September 2014 were enrolled in this study. All patients underwent preoperative polysomnography prior to surgery and were asked to complete the reflux symptom index (RSI) questionnaire before and after surgery. Results: Of 73 enrolled patients, 24 (33%) reported an RSI score >13 and were thus classified as having reflux...
April 28, 2017: Clinical and Experimental Otorhinolaryngology
Hwan Soo Kim, Sulmui Won, Eu Kyoung Lee, Yoon Hong Chun, Jong-Seo Yoon, Jin Tack Kim, Hyun Hee Kim
Objectives: Lidocaine, a local anaesthetic is a treatment option in uncontrolled asthma due to its immunomodulatory effects. In the present study, proparacaine (PPC), a derivative of lidocaine was examined for its therapeutic application in a mouse model of allergic rhinitis. Methods: The mice were grouped into 4 groups: control group, allergic rhinitis (AR) group, ciclesonide (CIC) group, and PPC group. Nasal symptom scores, eosinophil counts, goblet cell counts, and mast cells counts in the nasal mucosa were measured...
April 28, 2017: Clinical and Experimental Otorhinolaryngology
Min Young Seo, Dong-Kyu Kim, Hye Mi Jee, Young Min Ahn, Yong Min Kim, Sang Duk Hong
Objectives: The aim of this study was to compare the prescription patterns according to characteristics of physicians using a survey distributed amongst physicians in Korea. Methods: We surveyed the prescription patterns for allergic rhinitis (AR) of the members of the Korean Academy of Asthma, Allergy and Clinical Immunology (KAAACI) and the Korean Association of Otorhinolaryngologists (KAO). Questionnaire contained 4 categories with 28 queries. 448 physicians including 98 internal medicine (IM), 113 pediatrics (PED), and 237 otorhinolaryngology (ENT) were responded...
April 28, 2017: Clinical and Experimental Otorhinolaryngology
Asuman Feda Bayrak, Yuksel Olgun, Ayla Ozbakan, Safiye Aktas, Can Ahmet Kulan, Gonca Kamaci, Emine Demir, Osman Yilmaz, Levent Olgun
Objectives: The aim of this study is to investigate the efficacy of locally applied insulin-like growth factor 1 (IGF-1) on the recovery of facial nerve functions after crush injury in a rabbit model. Methods: The rabbits were randomly assigned into three groups. Group 1 consisted of the rabbits with crush injury alone; group 2, the animals applied saline solution onto the crushed facial nerve and group 3, IGF-1 implemented to the nerve in the same manner. Facial nerve injury was first electrophysiologically studied on 10th and 42nd days of the procedure...
March 8, 2017: Clinical and Experimental Otorhinolaryngology
Lixiang Gao, Ruli Ge, Gang Xie, Dandan Yao, Ping Li, Oumei Wang, Xiufang Ma, Fengchan Han
Objectives: To investigate the otoprotective effects of mouse nerve growth factor (mNGF) in A/J mice. Methods: The mice at postnatal day 7 (P7) were randomly separated into a mNGF treated group (mNGF group) and a distilled water (for injection) treated group (control group). The mNGF dissolved in distilled water or distilled water alone was given to the mice once every other day from P7 by intramuscular injection in the hips. The otoprotective effects of mNGF in A/J mice were observed in a time course manner...
March 8, 2017: Clinical and Experimental Otorhinolaryngology
Young Hyo Kim, Kwang Pil Ko, Il Gyu Kang, Joo Hyun Jung, Dae Kyu Oh, Tae Young Jang, Seon Tae Kim
OBJECTIVES: Since Korea is geographically close to China (the origin site for Asian sand dust [ASD]) the health influence of ASD event will be still greater in Korea. We aimed to evaluate the effect of PM10 (particulate matter with aerodynamic diameter <10 μm, below 150 μg/m(3)) on the clinical course of allergic rhinitis (AR). METHODS: We enrolled 47 healthy volunteers (group A) and 108 AR patients sensitized to house dust mites (group B). For 120 consecutive days (from February 1st to May 30th, 2012), all subjects reported their daily nasal symptoms and performed 2 peak flowmeter readings to measure peak nasal inspiratory flow (PNIF)...
June 2017: Clinical and Experimental Otorhinolaryngology
Hyun Ji Kim, Dae-Young Kim, Jun Ha Hwang, Kyu-Sung Kim
OBJECTIVES: To analyze the clinical characteristics of vestibular neuritis patients with minimal canal paresis (canal paresis <25%). METHODS: Patients clinically diagnosed with vestibular neuritis and treated at our institute (n=201) underwent otoneurological examination and vestibular function tests. Patients were categorized in terms of the results of caloric testing (canal paresis<25%, n=58; canal paresis≥25%, n=143). Clinical characteristics and laboratory outcomes were compared between two groups...
June 2017: Clinical and Experimental Otorhinolaryngology
Hui-Fang Yang, Tung-Wei Kao, Tao-Chun Peng, Yu-Shan Sun, Fang-Yih Liaw, Chung-Ching Wang, Ju-Ting Hsueh, Wei-Liang Chen
OBJECTIVES: The effects of serum uric acid (UA) level on a variety of diseases were found from experimental and observational studies via oxidative stress and anti-oxidants. However, research on the association of UA and hearing thresholds is relatively sparse. We investigated this issue in the U.S. general population to evaluate the relationship of serum UA levels and pure tone threshold of hearing. METHODS: Forty four thousand eighty four eligible participants aged 20 to 69 years who have serum UA data and received Audiometry Examination Component were enrolled from the National Health and Nutrition Examination Survey 1999-2004...
June 2017: Clinical and Experimental Otorhinolaryngology
Ertugrul Erhan, Suat Terzi, Metin Celiker, Oguzhan Yarali, Murat Cankaya, Ferda Keskin Cimen, Ismail Malkoc, Bahadir Suleyman
OBJECTIVES: The objective of this study is to investigate and evaluate the effect of Hippophae rhamnoides extract (HRE) on oropharyngeal mucositis induced in rats with methotrexate (MTX) through biochemical, gene expression, and histopathological examinations. METHODS: Experimental animals were divided into a healthy group (HG), a HRE+MTX (HREM) group, HRE group (HREG), and a control group that received MTX (MTXG). The HREM and HREG groups of rats was administered 50 mg/kg HRE, while the MTXG and HG groups were given an equal volume distilled water with gavage...
June 2017: Clinical and Experimental Otorhinolaryngology
Hong Ju Park, Myung Hoon Yoo, Sun Young Baek, Seon Woo Kim, Yang-Sun Cho
OBJECTIVES: We investigated the normative data on the hearing threshold levels of Koreans with normal tympanic membranes and the prevalence of hearing loss (HL) and nonserviceable hearing using the data from the Korea National Health and Nutrition Examination Surveys (KNHANES) during 2010-2012. METHODS: Data obtained from 16,673 participants ≥12-year-of-age with normal tympanic membranes who completed audiometric testing. We defined HL as the pure tone average (PTA) >25 dB hearing level at 500, 1,000, 2,000, and 3,000 Hz and non-serviceable hearing as PTA >40 dB hearing level...
June 2017: Clinical and Experimental Otorhinolaryngology
So Young Park, Jung Mee Park, Sang A Back, Sang Won Yeo, Shi Nae Park
OBJECTIVES: Baso-apical gradients exist in various cochlear structures including medial olivocochlear (MOC) efferent system. This study investigated the cochlear regional differentials in the function and morphology of the MOC system, and addressed the functional implications of regional MOC efferent terminals (ETs) in the mouse cochlea. METHODS: In CBA/J mice, MOC reflex (MOCR) was assessed based on the distortion product otoacoustic emission in the absence and presence of contralateral acoustic stimulation...
June 2017: Clinical and Experimental Otorhinolaryngology
Mehmet İlhan Şahin, Kerem Kökoğlu, Şafak Güleç, İbrahim Ketenci, Yaşar Ünlü
OBJECTIVES: To identify the optimal pharmacological method of preparing patients for nasal endoscopy. METHODS: Twenty healthy volunteers were enrolled in this prospective, randomized, double-blind study. Four types of medications were applied in their nostrils with binary combinations of spray bottles on four different days in a random order: placebo (normal saline [NS]+NS), decongestant (NS+oxymetazoline), anesthetic (NS+lidocaine), and decongestant plus anesthetic (oxymetazoline+lidocaine)...
June 2017: Clinical and Experimental Otorhinolaryngology
Kornelia E C Wirsching, Thomas S Kühnel
OBJECTIVES: Hereditary hemorrhagic telangiectasia (HHT) is characterized by the presence of vascular malformations with an absence of capillaries between arteries and veins. One major manifestation site is the nasal mucous membrane where recurrent nosebleeds occur. Our clinical strategy to treat patients with HHT has the aim to reduce nasal bleeding long-term with minimal local and general side effects. METHODS: We describe staged diagnosis and therapy including individual medical treatments of 97 patients with HHT...
June 2017: Clinical and Experimental Otorhinolaryngology
Doh Young Lee, Soo Min Hwang, Jee Hyun An, Kyu Ri Son, Seung-Kuk Baek, Sin Gon Kim, Yang Seok Chae, Kwang-Yoon Jung
OBJECTIVES: The aim of this study was to evaluate the association between preoperative parameters and extrathyroidal extension (ETE) of papillary thyroid microcarcinoma (PTMC) according to the BRAF mutation and to evaluate the preoperative predictability of ETE. METHODS: We analyzed the medical records of 332 patients with PTMC (140 in the BRAF- group and 192 in the BRAF+ group). The presence of ETE was subjected to a correlation analysis with age, sex, tumor size, clinical nodal status, and ultrasonography (US) findings...
June 2017: Clinical and Experimental Otorhinolaryngology
Mustafa Sahin, Ibrahim Aydogdu, Serdar Akyildiz, Munevver Erdinc, Kerem Ozturk, Fatih Ogut
OBJECTIVES: Bilateral vocal fold abductor paralysis (BVFAP) both deteriorates quality of life and may cause life-threatening respiratory problems. The aim of this study was to reduce respiratory symptoms in BVFAP patients using cricothyroid (CT) botulinum toxin (BTX) injection. METHODS: Before and 2 weeks and 4 months after bilateral BTX injection into the CT muscles under electromyography; alterations in respiratory, acoustic, aerodynamic and quality of life parameters were evaluated in BVFAP patients with respiratory distress...
June 2017: Clinical and Experimental Otorhinolaryngology
Ki Hwan Hong, Woo Seok Yang, Min Ju Park, Jong Seok Oh, Baek Hwa Han
OBJECTIVES: Voice and speech alterations after total thyroidectomy may be associated with other extralaryngeal factors, such as neck muscle dysfunction and neck scar contracture. We evaluated the acoustic characteristics of oral vowel sounds and changes in hyoid bone movement before and after thyroidectomy. METHODS: Twenty-nine female patients undergoing total thyroidectomy were included. Fundamental frequencies (Fo), formants and vowel space areas were evaluated before surgery and 7 days and 3 months after surgery to acoustically analyze the oral vowel sounds...
June 2017: Clinical and Experimental Otorhinolaryngology
Duygu Herek, Ozkan Herek, Furkan Ufuk
OBJECTIVES: The purpose of this study is to investigate if any change exists in the values of tracheal bifurcation angles (subcarinal angle [SCA] and interbronchial angle [IBA]), right and left bronchial angles (RBA and LBA) in different pediatric age groups. METHODS: Chest computed tomography (CT) images of children aged 18 years and younger were reviewed retrospectively by two radiologists who were blinded to each other's measurements. One hundred and eighteen children were involved...
June 2017: Clinical and Experimental Otorhinolaryngology
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