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https://www.readbyqxmd.com/read/28738365/advances-in-box-surgery-for-obstructive-sleep-apnea-genioglossus-advancement-hyoid-suspension-and-maxillomandibular-advancement
#1
Yau Hong Goh, Winston Tan, Victor James Abdullah, Sung Wan Kim
Box surgery for obstructive sleep apnea (OSA) patients consists of mandibular surgery, including genioglossus advancement, hyoid suspension, and maxillomandibular advancement, as an airway reconstruction. This surgery was developed in the early 1980s. Thereafter, techniques were modified in each surgery for the enhancement of outcome and prevention of complications. However, the indication for surgery remains poorly defined due to the dynamicity of the upper airway, variability of the phenotype in OSA patients, and absence of a representative method for the obstruction site in the upper airway...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28736927/pituitary-thyroid-axis-development-during-the-larval-juvenile-transition-in-the-pejerrey-odontesthes-bonariensis
#2
T Chalde, L A Miranda
The morphological development of the thyroid gland of pejerrey Odontesthes bonariensis during larval-juvenile transition was studied and related to whole-body concentrations of thyroxine (T4 ) and tri-iodothyronine (T3 ). A complementary (c)DNA fragment of the thyroid-stimulating hormone β-subunit (tshb) was sequenced and transcript levels quantified during this period. Follicles with eosinophilic and T4 -immunoreactive colloids were detected at hatching together with tshb transcript levels and whole-body concentrations of T4 and T3 hormones...
July 23, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28728426/osteochondroma-of-the-hyoid-first-pediatric-case-and-literature-review
#3
Blake S Raggio, Samuel Ficenec, Thomas C Flowers, Claire Lawlor, Kimsey Rodriguez
Osteochondromas, the most common benign bone tumors, are cartilaginous neoplasms of unknown origin with rare malignant potential. Osteochondromas rarely occur in the head and neck, and diagnosis relies on a combination of clinical, radiological, and histological criteria. Excision is often curative. We describe the first reported case of hyoid osteochondroma in an adolescent male with multiple osteochondroma, discuss its surgical management, and perform a review of the salient literature. Osteochondroma represents a rare diagnosis to include in the differential of any midline neck mass...
July 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28705894/genome-wide-analysis-of-facial-skeletal-regionalization-in-zebrafish
#4
Amjad Askary, Pengfei Xu, Lindsey Barske, Maxwell Bay, Paul Bump, Bartosz Balczerski, Michael A Bonaguidi, J Gage Crump
Patterning of the facial skeleton involves the precise deployment of thousands of genes in distinct regions of the pharyngeal arches. Despite the significance for craniofacial development, how genetic programs drive this regionalization remains incompletely understood. Here we use combinatorial labeling of zebrafish cranial neural crest-derived cells (CNCCs) to define global gene expression along the dorsoventral axis of the developing arches. Intersection of region-specific transcriptomes with expression changes in response to signaling perturbations demonstrates complex roles for Endothelin1 (Edn1) signaling in the intermediate joint-forming region, yet a surprisingly minor role in ventral-most regions...
July 13, 2017: Development
https://www.readbyqxmd.com/read/28699193/outcomes-of-laryngohyoid-suspension-techniques-in-an-ovine-model-of-profound-oropharyngeal-dysphagia
#5
Christopher M Johnson, Naren N Venkatesan, M Tausif Siddiqui, Daniel J Cates, Maggie A Kuhn, Gregory M Postma, Peter C Belafsky
OBJECTIVES/HYPOTHESIS: To evaluate the efficacy of various techniques of laryngohyoid suspension in the elimination of aspiration utilizing a cadaveric ovine model of profound oropharyngeal dysphagia. STUDY DESIGN: Animal study. METHODS: The head and neck of a Dorper cross ewe was placed in the lateral fluoroscopic view. Five conditions were tested: baseline, thyroid cartilage to hyoid approximation (THA), thyroid cartilage to hyoid to mandible (laryngohyoid) suspension (LHS), LHS with cricopharyngeus muscle myotomy (LHS-CPM), and cricopharyngeus muscle myotomy (CPM) alone...
July 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28694854/antimicrobial-resistant-pattern-and-capsular-typing-of-streptococcus-pneumoniae-isolated-from-children-in-sistan-baluchestan
#6
Zahra Gharailoo, Seyed Fazlollah Mousavi, Niloofar Halvani, Mohammad Mehdi Feizabadi
BACKGROUND: Ankyloglossia is an anatomic developmental anomaly determining by thick and short, fi brotic ferenum. Tongue changes have severe eff ects on occlusion and oropharyngeal structures. The aim of this study was to evaluate the position of hyoid in children 7-11 years` old with ankyloglossia in lateral cephalometric radiographs. MATERIALS AND METHOD: In this study 260 nasopharyngeal swabs were taken from non-vaccinated healthy children between 6 months to 6 years old at medical centers in Sistan-Baluchestan during August 2013 to January 2014...
September 2016: Mædica
https://www.readbyqxmd.com/read/28694853/evaluation-of-hyoid-position-in-children-of-7-11-years-old-with-ankyloglossia-in-lateral-cephalometic-radiographs
#7
Mohammad Danesh Ardekani, Zohre Tabatabaee, Niloofar Halvani, Hossein Tabatabaee, Soghra Yasaee
INTRODUCTION: Ankyloglossia is an anatomic developmental anomaly determining by thick and short, fi brotic ferenum. Tongue changes have severe eff ects on occlusion and oropharyngeal structures. The aim of this study was to evaluate the position of hyoid in children 7-11 years` old with ankyloglossia in lateral cephalometric radiographs. MATERIAL AND METHOD: 30 radiographs of children with ankyloglossia with mean age of 9.8 and 30 radiographs of control group were chosen and matched in terms of age, sex, class of malocclusion and growth pattern...
September 2016: Mædica
https://www.readbyqxmd.com/read/28688574/clinical-and-bacteriological-differences-of-deep-neck-infection-in-pediatric-and-adult-patients-review-of-123-cases
#8
Yuichi Shimizu, Hiroshi Hidaka, Daiki Ozawa, Risako Kakuta, Kazuhiro Nomura, Hisakazu Yano, Ken-Ichi Watanabe, Yukio Katori
OBJECTIVES: Deep neck infections (DNIs) can lead to life-threatening disease. However, the detailed pathophysiology remains unclear due to its rarity and only a few reports have directly compared DNIs in children and adults. This study aimed to reveal the clinical differences between DNIs in children and adults. METHODS: We retrospectively reviewed 123 patients who suffered from DNIs at Tohoku University Hospital from August 2005 to July 2015. We extracted data on patient sex, age, antecedent illness, extension of infections, operative procedures, and bacteriology results...
August 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28686091/correlation-between-the-position-of-hyoid-bone-and-subregions-of-the-pharyngeal-airway-space-in-lateral-cephalometry-and-cone-beam-computed-tomography
#9
Eliana Dantas da Costa, Gina Delia Roque-Torres, Danieli Moura Brasil, Frab Noberto Bóscolo, Solange Maria de Almeida, Glaucia Maria Bovi Ambrosano
OBJECTIVE: To correlate the pharyngeal airway subregions with the positioning of the hyoid bone. MATERIAL AND METHODS: The study examined 107 lateral cephalometric (LC) and cone beam computed tomography (CBCT) images. Linear and volumetric measurements of the pharyngeal subregions were made and correlated to linear measurements using hyoid triangle analysis on images of LC and multiplanar (MPR) and three-dimensional (3D) reconstructions of CBCT. RESULTS: There was significant correlation between linear measurements of the pharyngeal subregions and hyoid bone position in LC images and in MPR and 3D reconstructions of the CBCT...
July 7, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28681366/proposal-for-a-modified-jaw-opening-exercise-for-dysphagia-a-randomized-controlled-trial
#10
Yuji Koyama, Ayaka Sugimoto, Takahide Hamano, Takashi Kasahara, Minoru Toyokura, Yoshihisa Masakado
OBJECTIVE: To verify the feasibility and effectiveness of a newly developed modified jaw opening exercise (MJOE) in post-stroke patients with pharyngeal residue who completed a sixweek exercise regimen. DESIGN: Double-blind, randomized, controlled trial. PARTICIPANTS: 16 patients with stroke-related dysphagia. INTERVENTIONS: Participants were allocated to an intervention group (MJOE: one set of five repetitions at 80% maximum voluntary contraction (MVC) for 6 seconds) or a control group (isometric jaw closing exercise: one set of five repetitions at 20% MVC for 6 seconds)...
July 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28671069/prevalence-of-hyoid-injuries-in-dogs-and-cats-undergoing-computed-tomography
#11
J D Ruth, S K Stokowski, K S Clapp, S R Werre
Fractures of the hyoid bones have been reported occasionally in dogs, but the prevalence and significance of hyoid injury in dogs and cats are unknown. In human beings, hyoid injury is rare and usually is caused by direct trauma to the greater cornu, which are analogous to the paired canine and feline thyrohyoid bones. The aim of this study was to describe the prevalence and morphology of hyoid bone injury detected in dogs and cats undergoing computed tomography (CT) for unrelated disease. CT studies of 293 dogs and 100 cats from 2012 to 2016 were identified and reviewed retrospectively...
May 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28670665/measurement-of-pharyngo-laryngeal-volume-during-swallowing-using-320-row-area-detector-computed-tomography
#12
Takatoshi Iida, Hitoshi Kagaya, Yoko Inamoto, Seiko Shibata, Eiichi Saitoh, Daisuke Kanamori, Shuji Hashimoto, Kazuhiro Katada, Haruka Tohara, Koichiro Ueda
This study aimed to (1) evaluate changes in bolus and air volumes in the pharyngo-laryngeal cavity during swallowing and (2) determine how differences in these volumes during swallowing are influenced by bolus amount using 320-row area detector computed tomography (320-ADCT). Three-, 10-, and 20-ml honey-thick liquids (5% w/v) were presented to ten healthy subjects placed in a 45° reclining position. 3D images were created in 29 phases at an interval of 0.1 s for 3.15 s. Changes in bolus and air volumes in the pharyngo-laryngeal cavity were calculated...
July 3, 2017: Dysphagia
https://www.readbyqxmd.com/read/28668461/lateral-cervical-approach-for-supracricoid-partial-laryngectomy
#13
Giuseppe Spriano, Giuseppe Mercante, Giovanni Cristalli, Raul Pellini, Fabio Ferreli
INTRODUCTION: The supracricoid partial laryngectomy has been described for the treatment of T3 laryngeal glottic and supraglottic tumors as well as upfront and salvage surgery. Good oncological and functional outcomes are expected, while the post-operative rehabilitation can be quite difficult for the patient. Early and late complications can occur especially in salvage surgery. Neck dissection according to the T stage is often associated with the resection of the primary tumor. OBJECTIVE: To verify the feasibility of a minimally invasive procedure for supracricoid partial laryngectomy by adopting the lateral cervical approach...
June 27, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28658734/ultrasonographic-features-differentiating-thyroglossal-duct-cysts-from-dermoid-cysts
#14
Hyoung In Choi, Young Hun Choi, Jung-Eun Cheon, Woo Sun Kim, In-One Kim
Purpose: The purpose of this study was to identify ultrasonographic features that can be used to differentiate between thyroglossal duct cysts (TGDCs) and dermoid cysts (DCs). Methods: We searched surgical pathology reports completed between January 2004 and October 2015 and identified 66 patients with TGDCs or DCs who had undergone preoperative ultrasonography. The ultrasound images were reviewed by two radiologists who were blinded to the pathological diagnosis...
May 24, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28653474/single-triangular-suture-a-modified-technique-for-hyoid-suspension-as-a-treatment-for-obstructive-sleep-apnea-our-experience-with-twenty-four-patients
#15
Sherif M Askar, Mohammad Waheed El-Anwar, Hazem Saeed Amer, Ali Awad
1 Hyoid suspension is a part of a multilevel surgery concept that is often combined with other procedures as uvulopalatopharyngoplasty to treat obstructive sleep apnea. 2 Between February 2012 and November 2016, twenty- four patients underwent the single triangular suture technique for hyoid suspension as a treatment for obstructive sleep apnea. 3.Successful outcome was reported in 12 patients, while 9 patients were responders (reduced cardiovascular risk). 4.Postoperatively, the mean AHI dropped significantly and the mean lowest oxygen saturation level increased significantly...
June 27, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28649268/muscle-development-in-the-shark-scyliorhinus-canicula-implications-for-the-evolution-of-the-gnathostome-head-and-paired-appendage-musculature
#16
Janine M Ziermann, Renata Freitas, Rui Diogo
BACKGROUND: The origin of jawed vertebrates was marked by profound reconfigurations of the skeleton and muscles of the head and by the acquisition of two sets of paired appendages. Extant cartilaginous fish retained numerous plesiomorphic characters of jawed vertebrates, which include several aspects of their musculature. Therefore, myogenic studies on sharks are essential in yielding clues on the developmental processes involved in the origin of the muscular anatomy. RESULTS: Here we provide a detailed description of the development of specific muscular units integrating the cephalic and appendicular musculature of the shark model, Scyliorhinus canicula...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28644539/effortful-swallow-with-resistive-electrical-stimulation-training-improves-pharyngeal-constriction-in-patients-post-stroke-with-dysphagia
#17
H Kim, J-W Park, K Nam
This study aimed to evaluate the effect of effortful swallow combined with surface electrical stimulation as a form of resistance training on pharyngeal constriction function in post-stroke patients with dysphagia. Nineteen patients post-stroke with dysphagia received 20 min effortful swallow training with resistive electrical stimulation for 5 days per week for 4 weeks. Electrical stimulation was applied on the infrahyoid area as resistance against hyoid elevation. Stimulation intensity was adjusted daily up to the maximum tolerable level of the participant...
June 23, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28637976/coordinated-control-of-the-tongue-during-suckling-like-activity-and-respiration
#18
Tomio Inoue, Kiyomi Nakayama, Yoshiaki Ihara, Satoshi Tachikawa, Shiro Nakamura, Ayako Mochizuki, Koji Takahashi, Takehiko Iijima
The tongue can move freely and is important in oral motor functions. Tongue movement must be coordinated with movement of the hyoid, mandible, and pharyngeal wall, to which it is attached. Our previous study using isolated brainstem-spinal cord preparations showed that application of N-methyl-D-aspartate induces rhythmic activity in the hypoglossal nerve that is coincident with rhythmic activity in the ipsilateral trigeminal motor nerve. Partial or complete midline transection of the preparation only abolishes activity in the trigeminal motor nerve; therefore, the neuronal network contributing to coordinated activity of the jaw/tongue muscles is located on both sides of the preparation and sends motor commands to contralateral trigeminal motoneurons...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28619729/characterization-and-mechanisms-of-the-supragastric-belch-in-the-cat
#19
Ivan M Lang, Bidyut K Medda, Reza Shaker
A response, i.e., the supragastric belch (SGB), in which a belch occurs without gastric involvement has been characterized in humans. The aims of this study were to determine whether animals have an SGB and if so to determine its mechanisms. Studies were conducted in decerebrate cats (N=30) with EMG electrodes on hyoid, pharyngeal, esophageal, and diaphragm muscles. The effects of distending different regions of the esophagus in different manners using a balloon were quantified to determine the most appropriate stimulus for activating the cat SGB...
June 15, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28619578/analysis-of-pressure-distribution-during-direct-microlaryngoscopy
#20
Busheng Tong, Rui Fang
OBJECTIVE: This study aimed to investigate the pressure distribution during direct microlaryngoscopy and its relation with the positioning of the patient. STUDY DESIGN: This is a prospective study in cadavers. MATERIALS AND METHODS: The pressure distribution during direct microlaryngoscopy was investigated in five adult fresh cadavers by using matrix-based piezoresistive thin-film sensors. The pressure among three head and neck positions (extension-extension, neutral, and flexion-extension) was studied...
June 12, 2017: Journal of Voice: Official Journal of the Voice Foundation
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