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Laryngotracheal

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https://www.readbyqxmd.com/read/28631673/-the-problems-associated-with-the-treatment-of-stenosing-laryngotracheitis-in-the-children-the-results-of-the-35-year-long-experience
#1
L A Safronenko, A P Davydova, V V Karpov, M G Lukashevich, V A Novikov
Stenosing laryngotracheitis (SLT) affecting the children is considered to be an emergency pediatric condition associated with ENT pathology. Its treatment presents a serious challenge for otolaryngologists, pediatricians, specialists in communicable diseases, allergologists, etc. We have undertaken a retrospective analysis of the available data with a view to summarizing the tendencies in the evolution of SLT morbidity. The results of the 35 year-long experience with the use of the currently available therapeutic strategies for the treatment of the children suffering from stenosing laryngotracheitis are presented...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28623110/pertussis-without-apparent-cough-in-a-disabled-girl-with-a-tracheostomy
#2
Hisataka Nozawa, Kensuke Shoji, Kazuhiro Uda, Tomoo Nakamura, Mitsuru Kubota, Akira Ishiguro, Isao Miyairi
Pertussis is characterized by intense, prolonged coughing in children often followed by a distinctive whooping sound on inspiration. However, the clinical manifestations and natural course of pertussis in disabled children are largely unknown. We experienced a case of pertussis in a disabled girl who had previously undergone a tracheostomy and laryngotracheal separation. She presented with increased tracheal secretions and required hospitalization but did not develop a cough. Pertussis was suspected from the sputum Gram stain, which revealed numerous, short gram-negative rods that did not grow on chocolate agar...
June 13, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28619544/changes-in-tracheostomy-and-intubation-related-tracheal-stenosis-implications-for-surgery
#3
Samuel S Kim, Zain Khalpey, Charles Hsu, Alex G Little
BACKGROUND: This study sought to identify the changing characteristic patterns and locations of stenosis after tracheostomy or intubation and to assess the risk factors associated with perioperative complication and restenosis after primary resection and reconstruction. METHODS: A retrospective review was performed (January /2012 to March 2015) on patients treated at the University of Arizona Medical Center (Tucson, Arizona) who had symptomatic tracheal stenosis secondary to prolonged intubation or tracheostomy...
June 13, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28616866/vocal-palsy-increases-the-risk-of-lower-respiratory-tract-infection-in-low-risk-low-morbidity-patients-undergoing-thyroidectomy-for-benign-disease-a-big-data-analysis
#4
S A R Nouraei, J Allen, H Kaddour, S E Middleton, P Aylin, A Darzi, N S Tolley
OBJECTIVES: Thyroidectomy is the commonest and most rapidly-growing operation which places normally-functioning laryngeal nerves at risk of injury. Laryngeal palsy is a major risk-factor for dysphonia, dysphagia, and less commonly, airway obstruction. We investigated the association between post-thyroidectomy vocal palsy and long-term risks of pneumonia and laryngeal failure. DESIGN: An N=near-all analysis of the English administrative dataset using a previously-validated informatics algorithm to identify young and otherwise low-risk patients undergoing thyroidectomy for benign disease...
June 14, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28616786/laryngotracheal-involvement-in-systemic-light-chain-amyloidosis
#5
Daniel T Ginat, Jefree Schulte, Louis Portugal, Nicole A Cipriani
Laryngotracheal amyloid deposition is an uncommon manifestation of systemic light chain amyloidosis. Diagnostic imaging, such as CT, is useful for suggesting the possibility of amyloidosis and delineating the extent of the lesions for surgical management; however, the diagnosis is confirmed with the histologic finding of amorphous eosinophilic material which stains positively for Congo red and may show apple green birefringence on polarization. These features are exemplified in this sine qua non radiology-pathology correlation article...
June 14, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28538234/overview-of-lung-development-in-the-newborn-human
#6
David Warburton
In human neonates rapid adaptation from an aqueous intrauterine environment to permanent air breathing is the rate-limiting step for extrauterine life, failure of which justifies the existence of neonatal intensive care units. The lung develops at about 4-6 weeks' gestation in humans as a ventral outpouching of the primitive foregut into the surrounding ventral mesenchyme, termed the laryngotracheal groove. At its posterior end lie progenitor cells that form a pair of bronchial tubes, from which arise all the distal epithelial structures of the lung...
2017: Neonatology
https://www.readbyqxmd.com/read/28535360/posttransplant-lymphoproliferative-disorder-otolaryngological-manifestations-and-management
#7
Richard Heyes, Donald W Northfelt, David G Lott
Objective Posttransplant lymphoproliferative disorder (PTLD) is a unifying term for a spectrum of lymphoid expansion entities brought about by immunosuppression and is strongly associated with Epstein-Barr virus (EBV). Otolaryngological findings tend to present early in the clinical course; therefore, disease awareness among otolaryngologists is of utmost importance. This review synthesizes the body of literature pertaining to PTLD involving the head and neck, summarizes contemporary management, and highlights areas for future research...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28532159/the-route-of-inoculation-dictates-the-replication-patterns-of-the-infectious-laryngotracheitis-virus-iltv-pathogenic-strain-and-chicken-embryo-origin-ceo-vaccine
#8
Gabriela Beltrán, Susan M Williams, Guillermo Zavala, James S Guy, Maricarmen García
Infectious laryngotracheitis virus (ILTV) has a high proclivity to replicate in the larynx and trachea of chickens causing severe lesions. There is a lack of knowledge on the ability of ILTV to replicate in other respiratory associated tissues apart from in the trachea. The objective of this study was to investigate how tissues that first encounter the virus dictate further sites of viral replication during the lytic stage of infection. Replication patterns of the pathogenic strain 63140 and the chicken embryo origin (CEO) vaccine in the conjunctiva, the Harderian gland, nasal cavity and trachea were evaluated after ocular, oral, intranasal or intratracheal inoculation of specific pathogen-free chickens...
June 19, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28514362/-the-laryngeal-condition-in-the-patients-presenting-with-euthyroid-multinodular-goiter-as-evaluated-by-direct-laryngoscopy
#9
T N Panova, Yu V Nazarochkin, R D Mustafin, L I Lebedeva, A A Ob'etanov, I A Malafeev
The objective of the present study was to improve diagnostics of disturbances in the laryngeal condition of the patients presenting with euthyroid multinodular goiter with special reference to the condition of the upper respiratory passages. The preoperative characteristic of 398 patients included the description of the predominant clinical syndrome (the neoplastic and compressive variants) and specification of the morphological type of the disease to promote the decrease of operative activity with respect to colloidal proliferative goiter...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28511889/severely-infected-pneumoceles-of-the-frontal-sinus-in-patients-with-mental-retardation-and-brain-atrophy-treated-by-endoscopic-sinus-surgery
#10
Ichiro Tojima, Hirotaka Kikuoka, Takao Ogawa, Takeshi Shimizu
We herein present three cases of abnormally expanded frontal sinuses (pneumoceles) with severe infection in patients with mental retardation and brain atrophy. Two patients previously underwent laryngotracheal separation surgery, and bacteriological examinations of purulent nasal discharge revealed infections caused by drug-resistant bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii. As conservative medical treatments were ineffective, all three patients were treated by computed tomography-guided endoscopic sinus surgery...
May 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28502275/use-of-acellular-dermal-matrices-in-laryngotracheal-and-pharyngeal-reconstruction-systematic-review
#11
A Hui, P Hong, M Bezuhly
BACKGROUND: Acellular dermal matrices are increasingly used in laryngotracheal and pharyngeal reconstruction, but specific indications and the type of acellular dermal matrix used vary. The authors systematically reviewed outcomes relating to acellular dermal matrix use in head and neck reconstruction. METHODS: Electronic databases were searched through 1 May 2016 for literature on acellular dermal matrix use in laryngotracheal and pharyngeal reconstruction. Studies were appraised for surgical indications, outcomes and study design...
July 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28485188/quantification-of-inflammatory-markers-in-laryngotracheal-stenosis
#12
Kevin M Motz, Linda X Yin, Idris Samad, Dacheng Ding, Michael K Murphy, Madhavi Duvvuri, Alexander T Hillel
Objectives (1) Develop a novel method for serial assessment of gene and protein expression in laryngotracheal stenosis (LTS). (2) Assess cytokine expression and determine an immunophenotype in LTS. Study Design A matched comparison of endolaryngeal brush biopsy samples from laryngotracheal scar and normal airway. Setting Tertiary care hospital, 2015-2016. Methods Brush biopsy specimens of laryngotracheal scar and normal trachea were obtained from 17 patients with LTS at the time of operating room dilation and were used for protein and RNA extraction...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28483219/laryngotracheal-anomalies-and-airway-fluoroscopy-in-infants
#13
Amal Isaiah, Kevin D Pereira
OBJECTIVES: The role of airway fluoroscopy in the diagnosis of laryngotracheal anomalies in infants is controversial. We aimed to (i) compare airway fluoroscopic characteristics with endoscopic findings in infants presenting for evaluation of upper airway obstruction and (ii) assess the as low as is reasonably achievable (ALARA) status for airway fluoroscopy as an initial diagnostic test in suspected laryngotracheal anomalies. MATERIALS AND METHODS: We performed a retrospective review of children who underwent fluoroscopy and endoscopic evaluation of the airway in the operating room for suspected laryngotracheal anatomic abnormalities...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28480810/traumatic-laryngotracheal-stenosis-treated-by-hyoid-sternohyoid-osseomuscular-flap-combined-with-xenogenic-acellular-dermal-matrix-a-case-report-and-literature-review
#14
Hang Yang, Zhe Chen, Shui-Hong Zhou, Qin-Yin Wang, Li-Xia Weng, Fang Wang, Ting-Ting Wu, Min-Li Zhou, Yang-Yang Bao
Objective The treatment of laryngotracheal stenosis is a major therapeutic challenge. Various treatments include observation, medical management, and surgical management. The most effective surgical management is resection and reconstruction. To the authors' knowledge, no reports have described the use of xenogenic acellular dermal matrix (ADM) for laryngotracheal stenosis. Methods A 27-year-old man presented with hemoptysis of the neck due to a traffic accident. Emergency orotracheal intubation was performed...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28442068/intraoperative-nerve-monitoring-in-laryngotracheal-surgery
#15
Sergio Bolufer, María Dolores Coves, Carlos Gálvez, Gustavo Adolfo Villalona
Laryngotracheal surgery has an inherent risk of injury to the recurrent laryngeal nerves (RLN). These complications go from minor dysphonia to even bilateral vocal cord paralysis. The intraoperative neuromonitoring of the RLN was developed in the field of thyroid surgery, in order to preserve nerve and vocal cord function. However, tracheal surgery requires in-field intubation of the distal trachea, which limits the use of nerve monitoring using conventional endotracheal tube with surface electrodes. Given these challenges, we present an alternative method for nerve monitoring during laryngotracheal surgery through the insertion of electrodes within the endolaryngeal musculature by bilateral puncture...
April 23, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28434824/multiple-pathogen-biomarker-detection-using-an-encoded-bead-array-in-droplet-pcr
#16
Prem Kumar Periyannan Rajeswari, Lovisa M Soderberg, Alia Yacoub, Mikael Leijon, Helene Andersson Svahn, Haakan N Joensson
We present a droplet PCR workflow for detection of multiple pathogen DNA biomarkers using fluorescent color-coded Luminex® beads. This strategy enables encoding of multiple singleplex droplet PCRs using a commercially available bead set of several hundred distinguishable fluorescence codes. This workflow provides scalability beyond the limited number offered by fluorescent detection probes such as TaqMan probes, commonly used in current multiplex droplet PCRs. The workflow was validated for three different Luminex bead sets coupled to target specific capture oligos to detect hybridization of three microorganisms infecting poultry: avian influenza, infectious laryngotracheitis virus and Campylobacter jejuni...
April 20, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28424763/airway-problems-in-neonates-a-review-of-the-current-investigation-and-management-strategies
#17
REVIEW
Quen Mok
Airway problems in the neonatal population are often life threatening and raise challenging issues in diagnosis and management. The airway problems can result from congenital or acquired lesions and can be broadly classified into those causing obstruction or those due to an abnormal "communication" in the airway. Many different investigations are now available to identify the diagnosis and quantify the severity of the problem, and these tests can be simple or invasive. Bronchography and bronchoscopy are essential to determine the extent and severity of the airway problem and to plan treatment strategy...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28397558/measurement-of-cough-aerodynamics-in-healthy-adults
#18
Aaron J Feinstein, Zhaoyan Zhang, Dinesh K Chhetri, Jennifer Long
IMPORTANCE: Cough is a critical human reflex and also among the most frequent symptoms in medicine. Despite the prevalence of disordered cough in laryngeal pathologies, comprehensive and quantitative evaluation of cough in these patients is lacking. OBJECTIVE: Herein we seek to establish normative values for cough aerodynamics to provide a population standard for reference in future studies. DESIGN, SETTING, AND PARTICIPANTS: Healthy subjects were recruited from an outpatient clinic to perform voluntary cough...
May 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28384898/primary-management-and-outcome-open-laryngotracheal-trauma
#19
Santosh Uttarkar Pandurangarao, Prashanth Basavaraj, Supriya Baswaraj Yempalle, Lavanya Karnam
Acute external injury to the larynx is both life threatening and a potential long term management challenge. As Otorhinolaryngologist we must be prepared and well versed to manage these patients. In our study seven patients of open laryngeal traumas were managed by primary closure. In five patients nature of injury was known in other two patients exact nature of injury was not known. After primary closure five patients with known injury survived and two patients with unknown injury died. As per our experience, we recommend primary closure, if the exact nature of injury is known as the outcome is definitely favourable...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28350819/development-and-application-of-a-taqman-single-nucleotide-polymorphism-genotyping-assay-to-study-infectious-laryngotracheitis-virus-recombination-in-the-natural-host
#20
Carlos A Loncoman, Carol A Hartley, Mauricio J C Coppo, Paola K Vaz, Andrés Diaz-Méndez, Glenn F Browning, Sang-Won Lee, Joanne M Devlin
To date, recombination between different strains of the avian alphaherpesvirus infectious laryngotracheitis virus (ILTV) has only been detected in field samples using full genome sequencing and sequence analysis. These previous studies have revealed that natural recombination is widespread in ILTV and have demonstrated that recombination between two attenuated ILTV vaccine strains generated highly virulent viruses that produced widespread disease within poultry flocks in Australia. In order to better understand ILTV recombination, this study developed a TaqMan single nucleotide polymorphism (SNP) genotyping assay to detect recombination between two field strains of ILTV (CSW-1 and V1-99 ILTV) under experimental conditions...
2017: PloS One
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