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https://www.readbyqxmd.com/read/28078072/multisensor-classification-system-for-triggering-fes-in-order-to-support-voluntary-swallowing
#1
Benjamin Riebold, Holger Nahrstaedt, Corinna Schultheiss, Rainer O Seidl, Thomas Schauer
In dysphagia the ability of elevating the larynx and hyoid is usually impaired. Electromyography (EMG) and Bioimpedance (BI) measurements at the neck can be used to trigger functional electrical stimulation (FES) of swallowing related muscles. Nahrstaedt et al.(1) introduced an algorithm to trigger the stimulation in phase with the voluntary swallowing to improve the airway closure and elevation speed of the larynx and hyoid. However, due to non-swallow related movements like speaking, chewing or head turning, stimulations might be unintentionally triggered...
September 15, 2016: European Journal of Translational Myology
https://www.readbyqxmd.com/read/28050064/effect-of-retraction-of-anterior-teeth-on-pharyngeal-airway-and-hyoid-bone-position-in-class-i-bimaxillary-dentoalveolar-protrusion
#2
S Bhatia, B Jayan, S S Chopra
BACKGROUND: To test the hypothesis that the retraction of anterior teeth has no effect on the dimensions of pharyngeal airway and to evaluate the retraction of anterior teeth on each parameter of pharyngeal airway. METHODS: Twenty-two adult patients of Class I bimaxillary protrusion requiring first premolar extractions with maximum anchorage requirements were selected. The pharyngeal airway and dentofacial parameters of the patients were compared using pre- and post-treatment lateral cephalograms with the help of Student's paired t-test (P < 0...
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28013388/swallowing-function-and-kinematics-in-stroke-patients-with-tracheostomies
#3
Han Gil Seo, Jeong-Gil Kim, Hyung Seok Nam, Woo Hyung Lee, Tai Ryoon Han, Byung-Mo Oh
The purpose of this study was to compare the swallowing function and kinematics in stroke patients with and without tracheostomies. In this retrospective matched case-control study, we compared stroke patients with (TRACH group, n = 24) and without (NO-TRACH group, n = 24) tracheostomies. Patients were matched for age, sex, and stroke-type. Swallowing function was evaluated using the videofluoroscopic dysphagia scale (VDS) and functional oral intake scale (FOIS) obtained from videofluoroscopic swallow study (VFSS) images...
December 24, 2016: Dysphagia
https://www.readbyqxmd.com/read/27999132/patch-of-hair-in-the-hyoid-region
#4
Katarina Kieselova, Felicidade Santiago, Martinha Henrique
No abstract text is available yet for this article.
December 20, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27997289/comparison-of-muscle-activity-between-subjects-with-or-without-lip-competence-electromyographic-activity-of-lips-supra-and-infrahyoid-muscles
#5
Natalia Andrea Gamboa, Rodolfo Miralles, Saúl Valenzuela, Hugo Santander, Rosa Cordova, Ricardo Bull, Diego Alejandro Espinoza, Catalina Andrea Martínez
AIM: This study compares the electromyographic (EMG) activity of the muscles from the lips and hyoid bone in subjects with or without lip competence. METHODOLOGY: Two groups of 20 subjects each, with or without lip competence were studied. EMG activity of the superior orbicularis oris (SOO), inferior orbicularis oris (IOO), suprahyoid (SH) and infrahyoid (IH) muscles was recorded with the subject seated in the upright position during the following tasks: (1) at rest; (2) speaking; (3) swallowing; (4) forced deep breathing; (5) maximal voluntary clenching; and (6) chewing...
December 20, 2016: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/27994778/intrinsic-vertebral-markers-for-spinal-level-localization-in-anterior-cervical-spine-surgery-a-preliminary-report
#6
Deepak Kumar Jha, Anil Thakur, Mukul Jain, Arvind Arya, Chandrabhushan Tripathi, Rima Kumari, Suman Kushwaha
STUDY DESIGN: Prospective clinical study. PURPOSE: To observe the usefulness of anterior cervical osteophytes as intrinsic markers for spinal level localization (SLL) during sub-axial cervical spinal surgery via the anterior approach. OVERVIEW OF LITERATURE: Various landmarks, such as the mandibular angle, hyoid bone, thyroid cartilage, first cricoid ring, and C6 carotid tubercle, are used for gross cervical SLL; however, none are used during cervical spinal surgery via the anterior approach...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27982168/managing-obstructive-sleep-apnoea-in-children-the-role-of-craniofacial-morphology
#7
Maria Fernanda Rabelo Bozzini, Renata Cantisani Di Francesco
Obstructive sleep apnoea syndrome is a type of sleep-disordered breathing that affects 1 to 5% of all children. Pharyngeal and palatine tonsil hypertrophy is the main predisposing factor. Various abnormalities are predisposing factors for obstructive sleep apnoea, such as decreased mandibular and maxillary lengths, skeletal retrusion, increased lower facial height and, consequently, increased total anterior facial height, a larger cranio-cervical angle, small posterior airway space and an inferiorly positioned hyoid bone...
November 1, 2016: Clinics
https://www.readbyqxmd.com/read/27959902/characterization-of-swallowing-sound-preliminary-investigation-of-normal-subjects
#8
Tsuyoshi Honda, Takuro Baba, Keiko Fujimoto, Takaharu Goto, Kan Nagao, Masafumi Harada, Eiichi Honda, Tetsuo Ichikawa
OBJECTIVE: The purpose of this study was to characterize the swallowing sound and identify the process of sound generation during swallowing in young healthy adults. METHODS: Thirty-three healthy volunteers were enrolled and allocated into three experimental groups. In experiment 1, a microphone was attached to one of eight cervical sites in 20 subjects, participants swallowed 5 ml water, and the sound waveform was recorded. In experiment 2, 10 subjects swallowed either 0, 5, 10, or 15 ml water during audio recording...
2016: PloS One
https://www.readbyqxmd.com/read/27957370/refractory-obstructive-sleep-apnea-in-a-patient-with-diffuse-idiopathic-skeletal-hyperostosis
#9
Ara Darakjian, Ani B Darakjian, Edward T Chang, Macario Camacho
Diffuse Idiopathic Skeletal Hyperostosis (DISH) can cause ossification of ligaments and may affect the spine. We report a case of obstructive sleep apnea in a patient with significant upper airway narrowing secondary to cervical DISH. This patient had an initial apnea-hypopnea index (AHI) of 145 events/hour and was treated with uvulopalatopharyngoplasty, genial tubercle advancement, hyoid suspension, septoplasty, inferior turbinoplasties, and radiofrequency ablations to the tongue base which reduced his AHI to 40 events/hour...
2016: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/27942053/ultrasonography-a-viable-tool-for-airway-assessment
#10
Preethi B Reddy, Pankaj Punetha, Kolli S Chalam
BACKGROUND AND AIMS: Accurate prediction of the Cormack-Lehane (CL) grade preoperatively can help in better airway management of the patient during induction of anaesthesia. Our aim was to determine the utility of ultrasonography in predicting CL grade. METHODS: We studied 100 patients undergoing general endotracheal anaesthesia. Mallampati (MP) class, thyromental distance (TMD) and sternomental distance (SMD) were noted. Ultrasound measurements of the anterior neck soft tissue thickness at the level of the hyoid (ANS-Hyoid), anterior neck soft tissue thickness at the level of the vocal cords (ANS-VC) and ratio of the depth of the pre-epiglottic space (Pre-E) to the distance from the epiglottis to the mid-point of the distance between the vocal cords (E-VC) were obtained...
November 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27941551/double-thyroglossal-duct-cysts-in-an-adult
#11
Dong Hoon Lee, Tae Mi Yoon, Joon Kyoo Lee, Sang Chul Lim
Double thyroglossal duct cysts (TDCs) are a very rare congenital malformation. Herein, we report a rare case of double TDCs, one below the hyoid bone and the other at the base of the tongue. Clinicians should be aware that TDCs can occur as multiple cystic lesions. Preoperative radiological examinations should be performed for an accurate diagnosis of double TDCs.
December 8, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27897997/thermal-resilience-of-feeding-kinematics-may-contribute-to-the-spread-of-invasive-fishes-in-light-of-climate-change
#12
Ralph Turingan, Tyler Sloan
As a consequence of global warming, tropical invasive species are expected to expand their range pole-ward, extending their negative impacts to previously undisturbed, high-latitude ecosystems. Investigating the physiological responses of invasive species to environmental temperature is important because the coupled effects of climate change and species invasion on ecosystems could be more alarming than the effects of each phenomenon independently. Especially in poikilotherms, the rate of motion in muscle-driven biomechanical systems is expected to double for every 10 °C increase in temperature...
November 25, 2016: Biology
https://www.readbyqxmd.com/read/27896214/a-case-of-severe-mandibular-retrognathism-with-bilateral-condylar-deformities-treated-with-le-fort-i-osteotomy-and-two-advancement-genioplasty-procedures
#13
Masahiro Nakamura, Takeshi Yanagita, Tatsushi Matsumura, Takashi Yamashiro, Seiji Iida, Hiroshi Kamioka
We report a case involving a young female patient with severe mandibular retrognathism accompanied by mandibular condylar deformity that was effectively treated with Le Fort I osteotomy and two genioplasty procedures. At 9 years and 9 months of age, she was diagnosed with Angle Class III malocclusion, a skeletal Class II jaw relationship, an anterior crossbite, congenital absence of some teeth, and a left-sided cleft lip and palate. Although the anterior crossbite and narrow maxillary arch were corrected by interceptive orthodontic treatment, severe mandibular hypogrowth resulted in unexpectedly severe mandibular retrognathism after growth completion...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27883179/evidence-that-an-internal-schema-adapts-swallowing-to-upper-airway-requirements
#14
Seng Mun Wong, Rickie J Domangue, Sidney Fels, Christy L Ludlow
KEY POINTS: To swallow food and liquid safely, airway protection is essential. Upward and forward movements of the hyoid and larynx in the neck during swallowing vary in magnitude between individuals. In healthy human adults, hyoid and laryngeal movements during swallowing were scaled by differences in initial upper airway area before swallowing. Individuals increased laryngeal elevation during swallowing in response to increased airway opening before swallowing. We show that when upper airway protection requirements change, individuals use an internal sensorimotor scaling system to adapt movements to maintain swallow safety...
November 24, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27869350/skeletogenesis-of-myiopsitta-monachus-psittaciformes-and-sequence-heterochronies-in-aves
#15
Julieta Carril, Claudia P Tambussi
The ossification sequence of Myiopsitta monachus was determined. Myiopsitta has a similar sequence to other altricial birds, with delayed skeletons compared to precocial species. The hindlimbs ossify before the forelimbs, a condition that could be linked to altriciality. To determine the stability of the sequences of ossification across birds, we selected species of different groups of Aves and used event-pairing method and character mapping on a phylogeny. Our results show that the homogeneity in the development of birds was supported by 56...
November 21, 2016: Evolution & Development
https://www.readbyqxmd.com/read/27861931/effect-of-genioglossus-geniohyoid-and-digastric-advancement-on-tongue-base-and-hyoid-position
#16
Emily A Kutzner, Christelle Miot, Yuan Liu, Elizabeth Renk, Joshua S Park, Jared C Inman
OBJECTIVES/HYPOTHESIS: To assess the effect of genioglossus, geniohyoid, and anterior digastric muscle advancement on base of tongue and hyoid position. STUDY DESIGN: Cadaver experiments. METHODS: In fresh cadavers, the mandibular attachments of the genioglossus, geniohyoid, and anterior digastric muscles were advanced anteriorly by 6, 10, or 14 mm, and the anterior displacement of the base of tongue and hyoid was measured. The degrees of displacement of the tongue base and hyoid by the individual muscles and combinations of muscles were compared to one another...
November 9, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27858156/a-supporting-platform-for-semi-automatic-hyoid-bone-tracking-and-parameter-extraction-from-videofluoroscopic-images-for-the-diagnosis-of-dysphagia-patients
#17
Jun Chang Lee, Kyoung Won Nam, Dong Pyo Jang, Nam Jong Paik, Ju Seok Ryu, In Young Kim
Conventional kinematic analysis of videofluoroscopic (VF) swallowing image, most popular for dysphagia diagnosis, requires time-consuming and repetitive manual extraction of diagnostic information from multiple images representing one swallowing period, which results in a heavy work load for clinicians and excessive hospital visits for patients to receive counseling and prescriptions. In this study, a software platform was developed that can assist in the VF diagnosis of dysphagia by automatically extracting a two-dimensional moving trajectory of the hyoid bone as well as 11 temporal and kinematic parameters...
November 17, 2016: Dysphagia
https://www.readbyqxmd.com/read/27858088/specific-branches-of-hypoglossal-nerve-to-genioglossus-muscle-as-a-potential-target-of-selective-neurostimulation-in-obstructive-sleep-apnea-anatomical-and-morphometric-study
#18
Philippe Delaey, Jérôme Duisit, Catherine Behets, Thierry Duprez, Pierre Gianello, Benoît Lengelé
PURPOSE: To determine the ideal implantation site for selective tongue neurostimulation in obstructive sleep apnea, anatomy of the distal branching of the hypoglossal nerve (HGN) was revisited. METHODS: The HGN distal course and intramuscular distribution to the tongue muscles were studied in 17 embalmed and 5 fresh heads (age 60-98, BMI 20-35). Medial branches supplying selectively the genioglossus (GG) muscle were identified. Then, the distinct bundles entering the oblique (GGo) and horizontal (GGh) parts of the GG were located...
November 17, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27848021/impact-of-compliance-on-dysphagia-rehabilitation-in-head-and-neck-cancer-patients-results-from-a-multi-center-clinical-trial
#19
Gintas P Krisciunas, Kerlly Castellano, Timothy M McCulloch, Cathy L Lazarus, Barbara R Pauloski, Tanya K Meyer, Darlene Graner, Douglas J Van Daele, Alice K Silbergleit, Lisa R Crujido, Denis Rybin, Gheorghe Doros, Tamar Kotz, Susan E Langmore
A 5-year, 16-site, randomized controlled trial enrolled 170 HNC survivors into active (estim + swallow exercise) or control (sham estim + swallowing exercise) arms. Primary analyses showed that estim did not enhance swallowing exercises. This secondary analysis determined if/how patient compliance impacted outcomes. A home program, performed 2 times/day, 6 days/week, for 12 weeks included stretches and 60 swallows paired with real or sham estim. Regular clinic visits ensured proper exercise execution, and detailed therapy checklists tracked patient compliance which was defined by mean number of sessions performed per week (0-12 times) over the 12-week intervention period...
November 16, 2016: Dysphagia
https://www.readbyqxmd.com/read/27833328/a-rare-site-of-hyoid-bone-metastasis-in-patients-with-renal-cell-carcinoma-on-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-scan
#20
Averilicia Passah, Krishan Kant Agarwal, Sreedharan Thankarajan ArunRaj, Rakesh Kumar, Chandrasekhar Bal
No abstract text is available yet for this article.
October 2016: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
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