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Acta Oto-laryngologica

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https://www.readbyqxmd.com/read/27910733/a-comparative-morphologic-and-morphometric-study-about-geniculate-ganglion-development-in-man-and-in-rat
#1
Ana Sánchez-Del-Rey, José Maria Sánchez-Fernández, Arantza Ibargutxi, Agustin Martinez-Ibargüen, Francisco Santaolalla
CONCLUSIONS: Human-rat geniculate ganglion (GG) have multiple origins: (1) An initial proximity (20 μm) to the endocranial foramen of the IAM, suggests neural crest induction; and (2) The influence of epibranchial placodes: the tensor tympani muscle (TTM) and the otic apical coil. OBJECTIVES: This study was undertaken to determine the comparative development of human-rat GG. MATERIALS AND METHODS: A light microscopic study of the GG in human material obtained from spontaneous abortions at 9, 13, 14, 17, 18, and 30 weeks, and one neonate was done...
December 2, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27905208/effects-of-cisplatin-on-the-auditory-function-of-ovariectomized-rats-with-estrogen-deficiency
#2
Xu-Jun Hu, Fang-Fang Li, Ying Wang, Chi-Chuen Lau
CONCLUSION: The ovariectomy in rats does not change their auditory function. However, combining ovariectomy with Cisplatin treatment increases the risk of damaging the auditory function relative to the ototoxic effect caused by Cisplatin alone or ovariectomy alone. OBJECTIVES: The auditory benefit from estrogen depends on a number of factors that make findings among studies controversial. The present study was to examine the impact of Cisplatin, a chemotherapy drug, on the auditory function of ovariectomized rats...
December 1, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27905206/long-term-benefit-of-bone-anchored-hearing-systems-in-single-sided-deafness
#3
Martin Kompis, Wilhelm Wimmer, Marco Caversaccio
CONCLUSION: Bone Anchored Hearing Systems (BAHS) can be expected to still be used by ∼85% of patients with single sided deafness (SSD) 5 years after implantation, and by ∼50% after 10 years. OBJECTIVES: To investigate the long-term use of BAHS and the reasons to stop. METHOD: This was a retrospective chart review of all 33 German speaking adults with SSD who had been implanted with a BAHS at one center and of whom the implant status and use of the BAHS were known...
December 1, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27900891/chondrogenesis-of-human-adipose-derived-stem-cells-for-future-microtia-repair-using-co-culture-technique
#4
Bee See Goh, Siti Nurhadis Che Omar, Muhammad Azhan Ubaidah, Lokman Saim, Shamsul Sulaiman, Kien Hui Chua
CONCLUSION: In conclusion, these result showed HADSCs could differentiate into chondrocytes-like cells, dependent on signaling induced by TGF-β3 and chondrocytes. This is a promising result and showed that HADSCs is a potential source for future microtia repair. The technique of co-culture is a positive way forward to assist the microtia tissue. OBJECTIVE: Reconstructive surgery for the repair of microtia still remains the greatest challenge among the surgeons...
November 30, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27900890/dose-and-time-dependent-ototoxicity-of-aspartame-in-rats
#5
Orhan Ozturan, Remzi Dogan, Selahattin Tugrul, Ozge Gedik, Alev Pektas Sjostrand, Yavuz Selim Yildirim
CONCLUSION: Low-dose administration of Aspartame (Ap) did not produce a significant ototoxic effect at the end of the 6th month. However, duration of the ototoxic effect is shortened and severity of the effect is increased as dose and duration of Ap administration is increased. OBJECTIVES: While Ap toxicity has been studied in short- and long-term studies, its effects on hearing have not been investigated. This study was conducted to evaluate the effects of long-term consumption of Ap administered in various doses on hearing status of rats...
November 30, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27885877/surgical-outcomes-of-middle-fossa-approach-in-intracanalicular-vestibular-schwannoma
#6
Woo Seok Kang, Shin Ae Kim, Chan Joo Yang, Sung Hoon Nam, Jong Woo Chung
CONCLUSION: Middle fossa approach (MFA) shows a hearing preservation rate of 86% and facial nerve function was preserved with HB grade I or II in 93%. MFA is a good treatment option for intra-canalicular vestibular schwannomas when surgical excision is needed. BACKGROUND: Surgical outcomes of vestibular schwannoma have progressively improved with the advancement of microsurgical instruments. MFA is known to have better chances to preserve hearing, while it has limited access to the posterior fossa, limitation of tumor size, and higher risk of post-operative facial nerve weakness...
November 25, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27885873/effects-of-artificial-tracheal-fixation-on-tracheal-epithelial-regeneration-and-prevention-of-tracheal-stenosis
#7
Yuta Nakaegawa, Ryosuke Nakamura, Yasuhiro Tada, Ryo Suzuki, Toshiaki Takezawa, Tatsuo Nakamura, Koichi Omori
CONCLUSION: Tight fixation of the artificial trachea is important for epithelialization and tracheal stenosis. OBJECTIVE: The authors have developed an artificial trachea and have used it for tracheal reconstruction. Although various studies on tracheal reconstruction have been conducted, no studies have examined the effect of artificial tracheal fixation on tracheal stenosis and regeneration. Therefore, the purpose of the present study was to evaluate the effect of artificial tracheal fixation...
November 25, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27879159/poor-interexaminer-agreement-on-friedman-tongue-position
#8
Joar Sundman, Johan Bring, Danielle Friberg
CONCLUSION: The Friedman tongue position demonstrated only a slight inter-examiner agreement among 15 medical doctors, indicating that the method is difficult to perform and could be an uncertain method to select patients for uvulopalatopharyngoplasty. OBJECTIVE: The Friedman staging system is a clinical tool for selecting patients with obstructive sleep apnea who are appropriate for uvulopalatopharyngoplasty. The objective of this study was to evaluate the staging system by determining the inter-examiner agreement of one of its key components, the Friedman tongue position...
November 23, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27879157/secondary-submucosal-vocal-cyst-following-pulsed-dye-laser-application-for-sulcus-vocalis
#9
Joo Hyun Kim, Hye Jin Hwang, Ji Hyung Kim, Min Seok Kang, Hong-Shik Choi, Hyung Kwon Byeon
CONCLUSION: Submucosal vocal cyst can occur as a distinct long-term sequelae following pulsed dye laser (PDL) application for sulcus vocalis. It is recommended that the cyst lesion should be surgically removed for treatment. Optimal and precise irradiation of PDL is considered important to avoid the development of a such complication. OBJECTIVE: After several years of clinical practice and an extended period of follow-up of the patients who received PDL application in treating sulcus vocalis, the authors have encountered several cases of secondary submucosal vocal cyst development...
November 23, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27868462/lower-pole-intracapsular-tonsillectomy-in-obstructive-sleep-apnea-patients
#10
Su Jin Kim, Chul Kwon, Tae Kyung Koh, Kun Hee Lee, Sung Wan Kim
CONCLUSION: Lower-pole intracapsular tonsillectomy (LPIT) is a valuable surgical technique capable of decreasing post-operative bleeding in obstructive sleep apnea (OSA) patients. OBJECTIVE: This study performed LPIT to simultaneously reduce post-operative bleeding of lower pole and prevent recurrent tonsillitis of upper pole and compared its effects to extracapsular tonsillectomy (ET). METHODS: ET was performed in the extracapsular plane, with complete monopolar dissection...
November 21, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27852135/long-term-results-of-hearing-preservation-cochlear-implant-surgery-in-patients-with-residual-low-frequency-hearing
#11
Hideaki Moteki, Shin-Ya Nishio, Maiko Miyagawa, Keita Tsukada, Satoshi Iwasaki, Shin-Ichi Usami
CONCLUSION: Differences were found between patients with stable hearing and those with progressive hearing loss in the lower frequencies with respect to the rate of progression in the contralateral ear. It is suggested that the electric acoustic stimulation (EAS) can provide improvement in hearing ability over the long-term if residual hearing might be lost to some extent. OBJECTIVE: To evaluate the long-term threshold changes in the low frequency hearing of the implanted ear as compared with the non-implanted ear, and the hearing abilities with EAS along with the extent of residual hearing...
November 17, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27846752/chronic-cerebrospinal-venous-insufficiency-as-a-cause-of-inner-ear-diseases
#12
Giuseppe Attanasio, Laura Cagnoni, Eleonora Masci, Francesco Ciciarello, Francesco Diaferia, Aldo Bruno, Antonio Greco, Marco De Vincentiis
CONCLUSION: The present study confirms a correlation between chronic cerebrospinal venous insufficiency (CCSVI) diagnosis and Ménière's disease (MD). CCSVI could be considered a new ultrasound vascular pattern of the cerebrospinal venous system in patients affected by definite MD. Conversely, the present results showed that CCSVI cannot be considered a pathogenic mechanism for idiopathic sudden sensorineural hearing loss (ISSNHL). OBJECTIVES: The aim of this study is to investigate the correlation between CCSVI and MD and to evaluate if CCSVI can be considered a risk factor also for ISSNHL...
November 16, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27844494/sensorimotor-interaction-in-deaf-children-relationship-between-gait-performance-and-hearing-input-during-childhood-assessed-in-pre-lingual-cochlear-implant-users
#13
Hamlet Suarez, Rafael Alonso, Sofia Arocena, Enrique Ferreira, Cecilia San Roman, Alejo Suarez, Valeria Lapilover
CONCLUSIONS: The results suggest that auditory input is not neutral in motor skills and the complex interaction between them is generated in the earlier stages of childhood development. Objective The assessment of gait performance in pre-lingual deaf children with cochlear implant (CI). METHODS: Gait velocity (GV), using a 10-meter test, was measured by means of three inertial sensors in 10 pre-lingual cochlear implant users (CIU) (10-16 years old) in three sensory conditions: (1) cochlear implant turned on with environmental noise (EN), (2) cochlear implant turned on with EN and with cognitive dual task (DT), and (3) CI turned off (CI-OFF)...
November 15, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27844486/measurement-of-middle-ear-pressure-changes-during-balloon-eustachian-tuboplasty-a-pilot-study
#14
Ingo Todt, Tarek Abdel-Aziz, Philipp Mittmann, Martin Lehmann, Jörg Ebmeyer, Lars-Uwe Scholtz, Holger Sudhoff
CONCLUSION: The middle ear pressure changes detected during BET can be directly attributed to the balloon inflation and may represent a second, immediate, mechanism of action of BET. BET seems to be safe with respect to the risk of a barotrauma. Further human studies are now necessary to confirm the results and gain more insight into the mechanism of action of BET. OBJECTIVE: Since the introduction of Balloon Eustachian Tuboplasty (BET) as a treatment of chronic Eustachian tube dysfunction, the precise mechanism of action is unknown...
November 15, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27841099/clinical-characteristics-and-treatment-outcomes-for-benign-paroxysmal-positional-vertigo-comorbid-with-hypertension
#15
Jun Tan, Yuxiao Deng, Tianyu Zhang, Menghong Wang
CONCLUSIONS: Patients with BPPV comorbid with hypertension (h-BPPV) tend to receive a delayed diagnosis of BPPV. Comorbidity with hypertension did not influence the efficacy of the repositioning maneuver; however, comorbidity with hypertension was associated with an increased recurrence rate of BPPV. OBJECTIVES: To determine the clinical characteristics and outcomes of h-BPPV, as well as the clinical differences between h-BPPV and idiopathic BPPV (i-BPPV). METHODS: The authors reviewed the medical records of 41 consecutive patients with h-BPPV (the h-BPPV group) from March to December 2014 and 47 patients with i-BPPV (the i-BPPV group) during the same period...
November 14, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27841068/pet-ct-observations-of-cortical-activity-in-pre-lingually-deaf-adolescent-and-adult-patients-with-cochlear-implantation
#16
Haruo Yoshida, Haruo Takahashi, Yukihiko Kanda, Kenya Chiba
CONCLUSIONS: The present study yielded useful information concerning pre-lingually deaf adolescents and adults who try or manage to understand languages. PET-CT can provide insights into brain plasticity and elucidate which mode of communication is the most effective for education of such patients. OBJECTIVES: To study the cortical activity in pre-lingually deaf adolescent and adult cochlear implants (CI) users who have been trained in auditory-verbal/oral communication since childhood...
November 14, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27841051/classification-of-nasopharyngeal-microvessels-detected-by-narrow-band-imaging-endoscopy-and-its-role-in-the-diagnosis-of-nasopharyngeal-carcinoma
#17
Xiao-Guang Ni, Qing-Qing Zhang, Gui-Qi Wang
CONCLUSIONS: The new NBI classification of nasopharyngeal mucosal microvessels was helpful in differential diagnosis for benign and malignant lesions of the nasopharyngeal region. NBI endoscopy facilitates the detection of superficial nasopharyngeal lesions and might enable early diagnoses of NPC. OBJECTIVES: To propose a new microvessel diagnostic classification using narrow band imaging (NBI) endoscopy and to investigate the role of an NBI classification in the diagnosis of nasopharyngeal carcinoma (NPC)...
November 14, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27841050/repositioning-intervals-in-the-modified-epley-s-maneuver-and-their-effect-on-benign-paroxysmal-positional-vertigo-treatment-outcome
#18
Serif Samil Kahraman, Yavuz Selim Yildirim, Selhattin Tugrul, Orhan Ozturan
INTRODUCTION: This study showed that short and long interval treatments achieved comparable success rates. There was no statistically significant difference in the rate of early and late recurrences between the two groups. Modified Epley maneuver can be applied in a short interval time with comparable success and recurrence rates which are as effective as in a long interval time. OBJECTIVE: The Epley maneuver is called the particle repositioning or canalith repositioning procedure...
November 14, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27834111/computed-tomography-and-histopathological-evaluation-of-osteitis-in-rabbit-models-with-rhinosinusitis
#19
Yi Dong, Bing Zhou, Xiangdong Wang, Zhenxiao Huang, Mingjie Wang, Yunchuan Li, Hongrui Zang, Erzhong Fan, Ying Li, Xinyan Wang
CONCLUSIONS: There is clear correspondence between HU and histopathological evaluation of osteitis. It is feasible to evaluate bone remodeling in rabbit models with rhinosinusitis by measuring the HU. OBJECTIVE: The objective of this study was to determine whether the HUs of rabbit CRS models can be used to objectively evaluate the degree of osteitis. METHODS: Sixty rabbit models were inoculated with staphylococcus aureus. The rabbits were divided into three groups...
November 11, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27834109/external-ear-canal-exostosis-and-otitis-media-in-temporal-bones-of-prehistoric-and-historic-chilean-populations-a-paleopathological-and-paleoepidemiological-study
#20
Mario Castro, Marcos Goycoolea, Verónica Silva-Pinto
CONCLUSIONS: External ear canal exostosis is more prevalent in northern coastal groups than in the highlands, suggesting that ocean activities facilitate the appearance of exostosis. However, southern coastal groups exposed to colder ocean water have a lesser incidence of exostosis, possibly due to less duration of exposure. There was a high incidence of otitis media in all groups of native population in Chile. One coastal group had a higher incidence, presumably due to racial factors...
November 11, 2016: Acta Oto-laryngologica
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