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https://www.readbyqxmd.com/read/29148119/the-anatomy-of-the-pediatric-airway-has-our-knowledge-changed-in-120-years-a-review-of-historic-and-recent-investigations-of-the-anatomy-of-the-pediatric-larynx
#1
REVIEW
Josef Holzki, Karen A Brown, Robert G Carroll, Charles J Coté
BACKGROUND: There is disagreement regarding the anatomy of the pediatric airway, particularly regarding the shape of the cricoid cartilage and the location of the narrowest portion of the larynx. AIMS: The aim of this review is to clarify the origin and the science behind these differing views. METHODS: We undertook a review of published literature, University Libraries, and authoritative textbooks with key search words and phrases. RESULTS: In vivo observations suggest that the narrowest portion of the airway is more proximal than the cricoid cartilage...
November 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29142848/injury-of-the-external-branch-of-the-superior-laryngeal-nerve-in-thyroid-surgery
#2
REVIEW
Andre S Potenza, Vergilius J F Araujo Filho, Claudio R Cernea
The external branch of the superior laryngeal nerve (EBSLN) innervates the cricothyroid muscle (CTM) to promote lengthening and thinning of the vocal fold, thus increasing voice pitch. The close relation with the superior thyroid vessels (STV) puts the EBSLN in risk every time the superior pole of the thyroid is dissected. It travels downward to innervate the CTM, lateral to the thyroid cartilage and to the inferior pharyngeal constrictor muscle (IPCM), being eventually covered by this muscle fibers as it approaches its entry point...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29141772/acoustic-analysis-of-soccer-fans-in-acute-phonotrauma-after-the-match
#3
Mehmet Ozgur Pinarbasli, Ercan Kaya, Erkan Ozudogru, Melek Kezban Gurbuz, Ertugrul Colak, Mehmet Akif Aksoy, Leman Birdane, Fatma Ozgur Guney
OBJECTIVES: Acute phonotrauma is the result of sound production by shouting or straining one's voice. In this study, we aimed to investigate the acute changes in the vocal folds and voices of soccer fans who voluntarily applied to our clinic after the soccer match where they engaged in acute phonotrauma. There are no other studies in the literature conducted on a similar sample group. STUDY DESIGN: This is a case-control study. METHODS: Videolaryngostroboscopic (VLS) examination, acoustic voice analysis, and Voice Handicap Index (VHI) questionnaire were performed on 29 voluntary soccer fans included to the study before the match and at the first hour after the match...
November 13, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29137052/arytenoid-cartilage-dislocation-mimicking-bilateral-vocal-cord-paralysis-a-case-report
#4
Eun H Chun, Hee J Baik, Rack K Chung, Hun J Lee, Kwangseob Shin, Jae H Woo
RATIONALE: Arytenoid dislocation is very rare and may be misdiagnosed as vocal cord paralysis or a self-limiting sore throat. PATIENT CONCERNS: A 70-year-old male (70 kg, 156 cm) was scheduled for transurethral resection of bladder tumors. A McGrath videolaryngoscope, with a basic cuffed Mallinckrodt oral tracheal tube of 7.5 mm internal diameter, was used to successfully intubate his trachea. The duration of surgery was 25 minutes. In the recovery room, he complained of sore throat and dyspnea with inspiratory stridor, which were not resolved after intravenous injection of 10 mg of dexamethasone...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136734/-functional-recovery-after-recurrent-laryngeal-nerve-injury-on-different-electromyography-thresholds-during-thyroid-surgery
#5
X L Liu, C L Li, Y S Zhao, H Sun
Objective: To discuss the functional recovery after recurrent laryngeal nerve injury (RLNI) on different electromyography thresholds during thyroid surgery. Methods: The prospective experimentally were induced in 12 acute recurrent laryngeal traction animals (porcine) from December 2014 to December 2015, the amplitude and latency of electromyography, even time course during RLNI and recovery of 24 recurrent laryngeal nerves(RLN) were continuous intraoperative neuromonitoring(IONM), including 12 RLN releasing traction after 50% amplitude decrease (AD) and other 12 RLN after 70% AD...
November 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29136615/videokymographic-visualization-of-phonasthenia-a-nonorganic-voice-disorder
#6
Mariam Salah Shadi, Mona A Hegazi, Jilan F Nassar, Samia Bassiouny, Sally Sarwat, Marwa M Saleh
BACKGROUND: Phonasthenia is a voice disorder where the larynx looks essentially normal and dysphonia is not heard but felt by the patient. This study aims to use videokymography (VKG) to detect any abnormalities in the vibratory pattern in phonasthenia and to find out whether or not these abnormalities change after vocal loading. METHODS: Thirty-seven phonasthenic patients and 31 normal subjects participated in a detailed protocol, including analysis of subjective complaints and videokymographic quasi-objective parameters (baseline) followed by loading their voices through prolonged loud reading for 45 min...
November 14, 2017: Folia Phoniatrica et Logopaedica
https://www.readbyqxmd.com/read/29132808/bilateral-vocal-fold-medialization-a-treatment-for-abductor-spasmodic-dysphonia
#7
Karuna Dewan, Gerald S Berke
INTRODUCTION: Abductor spasmodic dysphonia, a difficult-to-treat laryngologic condition, is characterized by spasms causing the vocal folds to remain abducted despite efforts to adduct them during phonation. Traditional treatment for abductor spasmodic dysphonia-botulinum toxin injection into the posterior cricoarytenoid muscle-can be both technically challenging and uncomfortable. Due to the difficulty of needle placement, it is often unsuccessful. The purpose of this investigation is to present a previously undescribed treatment for abductor spasmodic dysphonia-bilateral vocal fold medialization...
November 10, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29125697/vocal-fold-augmentation-under-local-anesthesia-using-autologous-fascia
#8
Teemu J Kinnari, Petra Pietarinen, Ahmed Geneid
Vocal fold augmentation by injection of autologous fascia has been used since the 1990s with excellent safety record in 500 operations done under general anaesthesia. It is safe from risks arising from allergic or other foreign body adverse reactions. Fascia provides long-term augmentation and remains stable 3-10 years after injection. Vocal fold augmentation under local anaesthesia is excellent alternative for those unfit for general anaesthesia, providing aid to fragile and weak persons with vocal fold paralysis...
November 10, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29124033/intraoperative-recurrent-laryngeal-nerve-monitoring-in-a-patient-with-contralateral-vocal-fold-palsy
#9
Bub-Se Na, Jin-Ho Choi, In Kyu Park, Young Tae Kim, Chang Hyun Kang
Recurrent laryngeal nerve injury can develop following cervical or thoracic surgery; however, few reports have described intraoperative recurrent laryngeal nerve monitoring. Consensus regarding the use of this technique during thoracic surgery is lacking. We used intraoperative recurrent laryngeal nerve monitoring in a patient with contralateral vocal cord paralysis who was scheduled for completion pneumonectomy. This case serves as an example of intraoperative recurrent laryngeal nerve monitoring during thoracic surgery and supports this indication for its use...
October 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29122417/the-effects-of-amplification-on-vocal-dose-in-teachers-with-dysphonia
#10
Joana Perpetuo Assad, Ana Cristina Côrtes Gama, Juliana Nunes Santos, Max de Castro Magalhães
PURPOSE: The purpose of this study was to determine if voice amplification influenced vocal dose in female teachers with dysphonia. MATERIAL AND METHODS: This was an experimental study with comparative intrasubjects in which 15 individuals were compared in two different moments: condition 1 (C1) without voice amplification and condition 2 (C2) with voice amplification. All of them were female, kindergarten and elementary school teachers who presented organic or functional dysphonia...
November 6, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29122414/the-effect-of-hydration-on-voice-quality-in-adults-a-systematic-review
#11
REVIEW
Maxine Alves, Esedra Krüger, Bhavani Pillay, Kristiane van Lierde, Jeannie van der Linde
OBJECTIVES: We aimed to critically appraise scientific, peer-reviewed articles, published in the past 10 years on the effects of hydration on voice quality in adults. STUDY DESIGN: This is a systematic review. METHODS: Five databases were searched using the key words "vocal fold hydration", "voice quality", "vocal fold dehydration", and "hygienic voice therapy". The Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines were followed...
November 6, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29121085/biomechanical-simulation-of-vocal-fold-dynamics-in-adults-based-on-laryngeal-high-speed-videoendoscopy
#12
Michael Döllinger, Pablo Gómez, Rita R Patel, Christoph Alexiou, Christopher Bohr, Anne Schützenberger
MOTIVATION: Human voice is generated in the larynx by the two oscillating vocal folds. Owing to the limited space and accessibility of the larynx, endoscopic investigation of the actual phonatory process in detail is challenging. Hence the biomechanics of the human phonatory process are still not yet fully understood. Therefore, we adapt a mathematical model of the vocal folds towards vocal fold oscillations to quantify gender and age related differences expressed by computed biomechanical model parameters...
2017: PloS One
https://www.readbyqxmd.com/read/29116048/usefulness-of-high-speed-digital-imaging-hsdi-in-the-diagnosis-of-oedematous-hypertrophic-changes-of-the-larynx-in-people-using-voice-occupationally
#13
Bożena Kosztyła-Hojna, Diana Moskal, Anna Kuryliszyn-Moskal, Anna Andrzejewska, Anna Łobaczuk-Sitnik, Anna Kraszewska, Małgorzata Skorupa
INTRODUCTION: The aim of the study is the evaluation of the usefulness of High-Speed Digital Imaging (HSDI) in the diagnosis of organic dysphonia in a form of oedematous-hypertrophic changes of vocal fold mucosa, morphologically confirmed by Transmission Electron Microscopy (TEM) method in patients working with voice occupationally. MATERIAL AND METHODS: The group consisted of 30 patients working with voice occupationally with oedematous-hypertrophic changes of vocal fold mucosa...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29116044/the-predictive-value-of-videostroboscopy-in-the-assessment-of-premalignant-lesions-and-early-glottis-cancers
#14
Anna Rzepakowska, Ewelina Sielska-Badurek, Ewa Osuch-Wójcikiewicz, Maria Sobol, Kazimierz Niemczyk
OBJECTIVE: To assess the sensitivity and specificity of larngovideostroboscopy (LVS) in the diagnosis of precancerous and malignant lesions of the vocal folds. MATERIAL AND METHODS: In 175 patients (128 men and 47 women), aged 19-88 years, mean age 61.5, who were admitted to the clinic with diagnosed premalignant conditions of vocal fold mucosa (leukoplakia, chronic hypertrophic inflammatory lesions) and thickening or tumor on the vocal fold, there was performed LVS before the laryngeal microsurgery...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29114904/proton-density-weighted-laryngeal-magnetic-resonance-imaging-in-systemically-dehydrated-rats
#15
Steven Oleson, Kun-Han Lu, Zhongming Liu, Abigail C Durkes, M Preeti Sivasankar
OBJECTIVES/HYPOTHESIS: Dehydrated vocal folds are inefficient sound generators. Although systemic dehydration of the body is believed to induce vocal fold dehydration, this causative relationship has not been demonstrated in vivo. Here we investigate the feasibility of using in vivo proton density (PD)-weighted magnetic resonance imaging (MRI) to demonstrate hydration changes in vocal fold tissue following systemic dehydration in rats. STUDY DESIGN: Animal study...
November 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29114888/cricothyroid-joint-type-as-predictor-for-vocal-fold-elongation-in-professional-singers
#16
Claudio Storck, Fabian Unteregger
OBJECTIVE: Vocal fold (VF) elongation vocal folds depends on two factors: the activity of the laryngeal muscles and the cricothyroid joint (CTJ). The aim of the study was to show the influence of the CTJ on VF elongation while singing a sustained vowel at different pitches. STUDY DESIGN: Prospective study. METHODS: Forty-nine female professional singers (25 sopranos, 24 altos) were recruited. Three-dimensional images of the larynx derived from high-resolution computed tomography scanning were obtained at the mean speaking fundamental frequency (F0) and one (F1) and two octaves (F2) above this pitch...
November 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29111336/regenerative-effects-of-basic-fibroblast-growth-factor-on-restoration-of-thyroarytenoid-muscle-atrophy-caused-by-recurrent-laryngeal-nerve-transection
#17
Mami Kaneko, Takuya Tsuji, Yo Kishimoto, Yoichiro Sugiyama, Tatsuo Nakamura, Shigeru Hirano
OBJECTIVES: Vocal fold atrophy following unilateral vocal fold paralysis is caused by atrophy of the thyroarytenoid (TA) muscle and remains a challenge. Medialization procedures are popular treatment options; however, hoarseness often remains due to the reduction in mass or tension of the TA muscle. Therefore, in addition to medialization procedures, TA muscle reinnervation is desirable. In vivo studies have shown the potential for basic fibroblast growth factor (bFGF) to affect muscular and nerve regeneration...
October 27, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29109654/bilateral-vocal-fold-granulomas-following-double-lumen-endotracheal-tube-placement
#18
Sarang S Koushik, David G Lott, Harish Ramakrishna
No abstract text is available yet for this article.
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29106865/benign-rolandic-epilepsy-presenting-like-paradoxical-vocal-fold-motion
#19
Jennifer H Gross, Mary Bertrand, Keiko Hirose
Paradoxical vocal fold motion (PVFM) is characterized by vocal fold adduction during respiration. Benign Rolandic epilepsy (BRE) is the most common childhood epilepsy and can cause oropharyngolaryngeal or facial manifestations. A 9-year-old male presented with intermittent apnea lasting 30-60 seconds and presumed PVFM. The patient's physical and fiberoptic exam were normal. He was admitted and found to have episodes of oxygen desaturation, neck twitching, and tongue burning. An EEG revealed focal epilepsy. After starting anti-epileptic medications, he had resolution of symptoms...
November 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29105866/current-practices-for-voice-rest-recommendations-after-phonomicrosurgery
#20
Ashwini Joshi, Michael M Johns
OBJECTIVES/HYPOTHESIS: The aim of this study was to understand current protocols for voice rest implemented by laryngologists immediately after phonomicrosurgery for benign vocal fold lesions. STUDY DESIGN: Cross-sectional survey. METHODS: A 24-item survey was sent via electronic mail to laryngologists across the country to gather data on their recommendations of type and dosage of voice rest, factors involved in this decision, and recommendations for other behavioral modifications...
November 6, 2017: Laryngoscope
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