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https://www.readbyqxmd.com/read/29150279/resolution-of-recurrent-tonsillitis-in-a-non-smoker-who-became-a-vaper-a-case-study-and-new-hypothesis
#1
Joanna Astrid Miler, Peter Hajek
BACKGROUND: Evidence concerning the impact of vaping on respiratory infections remains contradictory. Cell and animal studies suggested that vaping may increase vulnerability to respiratory infections, but human data do not confirm this concern. CASE PRESENTATION: We present a case of a never-smoker who became a vaper and after a few months of e-cigarette use experienced a complete resolution of chronic tonsillitis and a marked improvement in tonsilloliths. CONCLUSIONS: As this is a never-smoker, the improvements cannot be attributed to smoking cessation...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149493/impact-of-chronic-hepatitis-c-virus-infection-on-the-survival-of-patients-with-oropharyngeal-cancer
#2
Minas P Economides, Moran Amit, Parag S Mahale, Jeff J Hosry, Ying Jiang, Uddalak Bharadwaj, Erich M Sturgis, Harrys A Torres
BACKGROUND: Although an association between hepatitis C virus (HCV) infection and oropharyngeal cancers (OPCs) has been reported, to the authors' knowledge the clinical significance of this epidemiological finding remains unknown. Therefore, the authors analyzed the oncologic outcomes of HCV-infected patients with OPCs. METHODS: In this retrospective cohort study, all patients with OPCs who were seen at The University of Texas MD Anderson Cancer Center between January 2004 and December 2015 were reviewed...
November 17, 2017: Cancer
https://www.readbyqxmd.com/read/29148201/current-perspectives-on-the-role-of-tonsillectomy
#3
REVIEW
Samuel R Greig
Tonsillectomy is one of the most common paediatric surgical procedures performed in Australasia. The aim of this paper is to provide an up-to-date review of the indications for the procedure (and the evidence base for each of these indications), as well as describe the surgical technique and perioperative management and risks for a non-surgical audience. The primary indications for tonsillectomy are obstructive sleep apnoea (OSA) (where it is most commonly performed in association with adenoidectomy) and recurrent pharyngotonsillitis...
November 2017: Journal of Paediatrics and Child Health
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
#4
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/29146635/antibiotic-use-and-bacterial-complications-following-upper-respiratory-tract-infections-a-population-based-study
#5
Thomas Cars, Irene Eriksson, Anna Granath, Björn Wettermark, Jenny Hellman, Christer Norman, Anders Ternhag
OBJECTIVES: To investigate if use of antibiotics was associated with bacterial complications following upper respiratory tract infections (URTIs). DESIGN: Ecological time-trend analysis and a prospective cohort study. SETTING: Primary, outpatient specialist and inpatient care in Stockholm County, Sweden. All analyses were based on administrative healthcare data on consultations, diagnoses and dispensed antibiotics from January 2006 to January 2016...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29142384/hypercapnic-respiratory-failure-in-case-of-chiari-1-5-malformation-case-report-and-review-of-the-literature
#6
Viralkumar M Vasani, Subhas Kanti Konar, S Satish
Type 2 respiratory failure is defined as hypercapnia associated with hypoxia. Chiari 1.5 is known as herniation of the cerebellar tonsils along with brain stem and fourth ventricle. We report a 35-year-old male who presented with acute hypercapnic respiratory failure (Type 2), without any preexisting neurological or respiratory abnormality. Analysis of blood gases in emergency revealed a pH of 7.12, pCO2 of 132 mmHg, and arterial oxygen tension of 118 mm Hg. He was intubated and ventilated. Magnetic resonance imaging brain revealed herniation of the cerebellar tonsils along with brain stem and fourth ventricle...
October 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29142150/effect-of-maternal-supplementation-with-seaweed-powder-on-immune-status-of-liver-and-lymphoid-organs-of-piglets
#7
Ahmad Farid Nikmal Azizi, Ryoko Miyazaki, Takeru Yumito, Yuki Ohashi, Susumu Uno, Umi Miyajima, Mayu Kumamoto, Shinji Uchiyama, Masahiro Yasuda
This study was performed to evaluate the effect of maternal supplementation with seaweed powder (SWP) on the immune status of piglets. Sows were supplementary fed SWP from 85-days of gestation until delactation. Forty-days old piglets were euthanized and lymphocyte subsets were analyzed. The results showed a significantly higher relative population of CD4(+)CD8(+) T cells in the thymus, lymph node, tonsil (P<0.05), peripheral blood mononuclear cells, spleen and liver (P<0.01) of piglets derived from treated sows...
November 14, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29140591/preventive-effects-of-tonsil-derived-mesenchymal-stem-cells-on-osteoradionecrosis-in-a-rat-model
#8
Hae Sang Park, Jihae Lee, Jin-Woo Kim, Ha Young Kim, Soo Yeon Jung, Sung Min Lee, Chan Hum Park, Han Su Kim
BACKGROUND: The purpose of this study was to investigate the effects of tonsil-derived mesenchymal stem cells (MSCs) on osteoradionecrosis (ORN). METHOD: We generated a mandibular ORN rat model using a combination of 20-Gy single-dose irradiation and tooth extraction. Study groups were negative control (tooth extraction only), ORN group (irradiation, tooth extraction), Matrigel-1 group (Matrigel; BD Biosciences, San Jose, CA; irradiation, Matrigel application immediately after tooth extraction), tonsil-derived MSC-1 group (irradiation, tonsil-derived MSC application immediately after tooth extraction), Matrigel-4 group (irradiation, Matrigel application 4 weeks after tooth extraction), and tonsil-derived MSC-4 group (irradiation, tonsil-derived MSC application 4 weeks after tooth extraction)...
November 15, 2017: Head & Neck
https://www.readbyqxmd.com/read/29137353/mesenchymal-stem-cells-inhibit-rank-rankl-interactions-between-osteoclasts-and-th17-cells-via-osteoprotegerin-activity
#9
Kyung-Ah Cho, Minhwa Park, Yu-Hee Kim, Kyung-Ha Ryu, So-Youn Woo
Th17 cells play a critical role in several autoimmune diseases, including psoriasis and psoriatic arthritis (PsA). Psoriasis is a chronic inflammatory skin disease associated with systemic inflammation and comorbidities, such as PsA. PsA develops in nearly 70% of patients with psoriasis, and osteoclasts associated bone erosion is a hallmark of the disease. Thus far, the effect of Th17 cells on osteoclastogenesis via direct cell-to-cell interactions is less understood. In this study, we observed that Th17 cells directly promote osteoclast differentiation and maturation via expression of receptor activator of nuclear factor-κ β ligand (RANKL) in vitro...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137231/an-oral-keratinocyte-life-cycle-model-identifies-novel-host-genome-regulation-by-human-papillomavirus-16-relevant-to-hpv-positive-head-and-neck-cancer
#10
Michael R Evans, Claire D James, Oonagh Loughran, Tara J Nulton, Xu Wang, Molly L Bristol, Brad Windle, Iain M Morgan
Many aspects of the HPV life cycle have been characterized in cervical cell lines (W12, CIN612) and in HPV immortalized primary foreskin keratinocytes. There is now an epidemic of HPV positive oropharyngeal cancers (HPV16 is responsible for 80-90% of these); therefore increased understanding of the HPV16 life cycle in oral keratinocytes is a priority. To date there have been limited reports characterizing the HPV16 life cycle in oral keratinocytes. Using TERT immortalized "normal" oral keratinocytes (NOKs) we generated clonal cell lines maintaining the HPV16 genome as an episome, NOKs+HPV16...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29134335/quantitative-analysis-of-senecavirus-a-in-tissue-samples-from-naturally-infected-newborn-piglets
#11
Alais Maria Dall Agnol, Flavia Megumi Miyabe, Raquel Arruda Leme, Thalita Evani Silva Oliveira, Selwyn Arlington Headley, Amauri Alcindo Alfieri, Alice Fernandes Alfieri
In this study, we determined the distribution of senecavirus A (SVA) and viral RNA load in different organs and tissues of naturally infected piglets. A TaqMan-based qRT-PCR assay was performed using RNA extracted from brainstem, cerebellum, cerebrum, heart, kidney, liver, lungs, small intestine, spleen, urinary bladder, and tonsils of seven newborn piglets. SVA was detected in 57 out of 70 tissue samples (81.4%). Viral loads ranged from 4.07 to 10.38 log10 genomic copies per g of tissue. The results show that SVA has tropism for various organs in naturally infected newborn piglets, especially for tonsils, spleen, lungs, and liver...
November 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29130121/chiari-i-malformation-surgical-technique-indications-and-limits
#12
Lorenzo Giammattei, F Borsotti, F Parker, M Messerer
BACKGROUND: Chiari malformation type I (CM-I) is a rare disease characterised by herniation of cerebellar tonsils below the foramen magnum with associated anomalies of posterior fossa. We describe here the surgical technique, indications and limits of surgical treatment. METHOD: The authors describe the surgical technique, including: posterior fossa decompression, opening of the foramen of Magendie and duraplasty in case of CM-I. CONCLUSIONS: Posterior fossa decompression plus duraplasty is a safe and effective procedure for patients with CM-I malformation...
November 12, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29128262/intraoperative-imaging-during-minimally-invasive-transoral-robotic-surgery-using-near-infrared-light
#13
Nicholas Scott-Wittenborn, Ryan S Jackson
PURPOSE: The purpose of this study was to determine if the use of the FIREFLY imaging system could be an asset in transoral robotic surgery (TORS) for oropharyngeal squamous cell carcinoma (OPSCC). The system uses indocyanine green dye (ICG), which fluoresces when illuminated by near-infrared light from the Da Vinci robot. The system may improve visualization of tumor margins, highlight important vascular structures, and help identify the location of tumors and unknown primary head and neck cancers...
September 6, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29126749/corrigendum-to-efficacy-of-e2-glycoprotein-fused-to-porcine-cd154-as-a-novel-chimeric-subunit-vaccine-to-prevent-classical-swine-fever-virus-vertical-transmission-in-pregnant-sows
#14
Sara Muñoz-González, Yusmel Sordo, Marta Pérez-Simó, Marisela Suarez, Albert Canturri, Maria Pilar Rodriguez, María Teresa Frías-Lepoureau, Mariano Domingo, Mario Pablo Estrada, Llilianne Ganges
Here we evaluated the effect of double vaccination with a novel subunit marker vaccine candidate based in the CSFV E2 glycoprotein fused to the porcine CD154 to prevent CSFV vertical transmission. A lentivirus-based gene delivery system was used to obtain a stable recombinant HEK 293 cell line for the expression of E2 fused to porcine CD154 molecule. Six pregnant sows were distributed in two groups and at 64days of gestation animals numbered 1-4 (group 1) were vaccinated via intramuscular inoculation with 50μg of E2-CD154 subunit vaccine...
November 7, 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29125445/morphometric-and-volumetric-comparison-of-102-children-with-symptomatic-and-asymptomatic-chiari-malformation-type-i
#15
Siri Sahib S Khalsa, Ndi Geh, Bryn A Martin, Philip A Allen, Jennifer Strahle, Francis Loth, Desale Habtzghi, Aintzane Urbizu Serrano, Daniel McQuaide, Hugh J L Garton, Karin M Muraszko, Cormac O Maher
OBJECTIVE Chiari malformation Type I (CM-I) is typically defined on imaging by a cerebellar tonsil position ≥ 5 mm below the foramen magnum. Low cerebellar tonsil position is a frequent incidental finding on brain or cervical spine imaging, even in asymptomatic individuals. Nonspecific symptoms (e.g., headache and neck pain) are common in those with low tonsil position as well as in those with normal tonsil position, leading to uncertainty regarding appropriate management for many patients with low tonsil position and nonspecific symptoms...
November 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29125235/comparison-of-the-mrna-expression-profile-of-b-cell-receptor-components-in-normal-cd5-high-b-lymphocytes-and-chronic-lymphocytic-leukemia-a-key-role-of-zap70
#16
Aleena A Gladkikh, Daria M Potashnikova, Victor Tatarskiy, Margarita Yastrebova, Alvina Khamidullina, Natasha Barteneva, Ivan Vorobjev
The B-cell receptor (BCR) signaling pathway is of great importance for B-cell survival and proliferation. The BCR expressed on malignant B-CLL cells contributes to the disease pathogenesis, and its signaling pathway is currently the target of several therapeutic strategies. Although various BCR alterations have been described in B-CLL at the protein level, the mRNA expression levels of tyrosine kinases in B-CLL compared to that in normal CD5-high and CD5-low B-lymphocytes remain unknown. In the current study, we measured the mRNA expression levels of CD79A, CD79B, LYN, SYK, SHP1, and ZAP70 in purified populations of CD5-high B-CLL cells, CD5-low B-cells from the peripheral blood of healthy donors, and CD5-high B-cells from human tonsils...
November 10, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29121387/measles-a-missed-cause-of-acute-tonsillitis
#17
Wen-Sen Lai, Yuan-Yung Lin, Chih-Hung Wang, Hsin-Chien Chen
No abstract text is available yet for this article.
October 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29119714/cross-cultural-adaptation-and-validation-of-the-spanish-version-of-the-paediatric-throat-disorders-outcome-test-t-14
#18
Francisco Larrosa, Laura Samara, Eduard Esteller, Maria J Dura, Yolanda Escamilla, Anna Alberti, Rosa Rosell, Claire Hopkins
OBJECTIVES: The Paediatric Throat Disorders Outcome Test (T-14) is a disease-specific questionnaire that parents are requested to complete; it aims to assess the quality of life related to tonsil and adenoid disease or its treatment in children with throat disorders. The aim of this study was to validate the Spanish adaptation of the T-14, thus allowing comparison across studies and facilitating international multicentre projects. DESIGN, SETTING AND PARTICIPANTS: This was a multicentre prospective instrument validation study...
November 9, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29110575/utility-of-neck-height-and-tonsillar-size-to-screen-for-obstructive-sleep-apnea-among-obese-youth
#19
Indra Narang, Suhail Al-Saleh, Reshma Amin, Evan J Propst, Saadoun Bin-Hasan, Paolo Campisi, Clodagh Ryan, Tetyana Kendzerska
Objectives To determine whether neck:height ratio combined with adenoid and tonsillar size is a good predictive tool for obstructive sleep apnea in obese youth. Study Design Cross-sectional study. Setting Sleep clinics at the Hospital for Sick Children, Toronto, Canada. Subjects and Methods Consented obese individuals aged 8 to 18 years were recruited between 2013 and 2015. Anthropometric measures were obtained by a trained research coordinator in a standardized manner. Otolaryngologists evaluated adenoid and tonsil sizes...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29106883/routine-pathologic-examination-of-tonsillectomy-specimens-a-10-year-experience-at-a-tertiary-care-children-s-hospital
#20
Jamie Glancy Bizzell, Gresham T Richter, Charles M Bower, Gail L Woods, Abby R Nolder
OBJECTIVE: To review histopathologic diagnoses from tonsillectomy specimens and determine whether routine pathologic exam is necessary. METHODS: Pathology reports of patients undergoing tonsillectomy from 2005 to 2014 at our pediatric tertiary care hospital were reviewed. Histopathologic diagnoses were recorded with special attention to identification of malignancy. RESULTS: A total of 8807 paired tonsil specimens were sent to pathology over a 10-year course...
November 2017: International Journal of Pediatric Otorhinolaryngology
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