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https://www.readbyqxmd.com/read/28526278/biotherapeutics-in-chronic-rhinosinusitis-with-and-without-nasal-polyps
#1
Claus Bachert, Philippe Gevaert, Peter Hellings
In western countries, 85% of chronic rhinosinusitis with nasal polyp disease reveals a type 2 inflammatory pattern with expression of IL-4, -5, and -13 as well as increased concentrations of IgE, whereas chronic rhinosinusitis without nasal polyps merely expresses these biomarkers. The degree of type 2 inflammation furthermore is associated with disease severity, asthma comorbidity, and recurrence of disease after surgery. Therefore, these biomarkers also form the targets for innovative therapeutic approaches such as monoclonal antibodies directed against IgE, IL-5, and IL-4 receptor alpha, blocking the activity of IL-4 and -13...
May 16, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28524814/genotoxic-and-cytotoxic-effects-in-exfoliated-buccal-and-nasal-cells-of-chromium-and-cobalt-exposed-electroplaters
#2
Georg Wultsch, Armen Nersesyan, Michael Kundi, Miroslav Mišík, Tahereh Setayesh, Monika Waldherr, Pavel Vodicka, Ludmila Vodickova, Siegfried Knasmüller
Results of a number of studies indicate that electroplaters have increased cancer risks as a consequence of exposure to genotoxic metals such as chromium (VI) and nickel. These effects may be due to induction of damage of the genetic material which plays a key role in the etiology of cancer, and it was found that workers in galvanization factories exhibited increased levels of DNA damage. The aim of the present study was to investigate genetic stability in workers of a bright plating factory who are exposed to chromium (Cr) and cobalt (Co)...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#3
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28524733/cartilage-engineering-in-reconstructive-surgery-auricular-nasal-and-tracheal-engineering-from-a-surgical-perspective
#4
Paul Severin Wiggenhauser, Jan Thorsten Schantz, Nicole Rotter
This review provides an update on cartilage tissue engineering with particular focus on the head and neck. It is aimed at scientists and clinicians who are interested in tissue engineering and its clinical applicability. Principal tissue engineering strategies are summarized in the first part of this review. In the second part, current clinical approaches to auricular, nasal and tracheal reconstruction are discussed from a surgical perspective. By this approach, the requirements for clinical applicability are outlined and new insight into relevant aims of research is given to accelerate the transfer from bench to bedside...
May 19, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28524038/-intervention-effect-of-qingzao-runfei-huazhuo-xingxue-decoction-on-pm2-5-induced-pulmonary-injury-in-mice
#5
Jinbo Zhang, Lei Zhang, Yanxia Chen, Xinlu Wang, Aihua Hou, Lingling Dai
OBJECTIVE: To study the effects of Qingzao Runfei Huazhuo Xingxue decoction (QRHXD) on inflammatory reaction and histopathology in mice with PM2.5-induced pulmonary injury, and to approach the possible mechanism of prevention and treatment of traditional Chinese medicine on lung injury induced by haze. METHODS: Fifty healthy male C57BL/6 mice were randomly divided into five groups (n = 10): namely control, PM2.5, PM2.5 + low-, moderate-, and high-dose groups. The PM2...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28524026/-high-flow-nasal-cannulae-oxygen-in-patients-with-respiratory-failure-a-meta-analysis
#6
Weigang Yue, Zhigang Zhang, Caiyun Zhang, Liping Yang, Jufang He, Yuying Hou, Ying Tang, Jinhui Tian
OBJECTIVE: To systematically evaluate the efficacy of high-flow nasal cannulae oxygen (HFNC) in patients with respiratory failure. METHODS: Computerized PubMed, Embase, Web of Science, the Cochrane Library, CNKI, CBM, VIP, Wanfang Database up to March 31st, 2017, all published available randomized controlled trials (RCTs) or cohort studies about HFNC therapy for patients with respiratory failure were searched. The control group was treated with face mask oxygen therapy (FM) or non-invasive positive pressure ventilation (NIPPV), while the experimental group was treated with HFNC...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28523762/a-retrospective-study-of-cytogenetic-results-from-amniotic-fluid-in-5328-fetuses-with-abnormal-obstetric-sonographic-findings
#7
Shuo Zhang, Caixia Lei, Junping Wu, Haiyan Sun, Yuezhou Yang, Yueping Zhang, Xiaoxi Sun
OBJECTIVES: The purpose of this study was to evaluate the diagnostic utility of karyotype analysis of amniotic fluid for fetuses with abnormal sonographic findings and to determine the detection rates of abnormal karyotypes. METHODS: We conducted a retrospective study of 5328 fetuses with abnormal sonographic findings in the first or second trimester enrolled from October 1998 and September 2015. Cytogenetic results from amniotic fluid were obtained in all of these pregnancies...
May 19, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28523583/respiratory-support-after-extubation-noninvasive-ventilation-or-high-flow-nasal-cannula-as-appropriate
#8
Tommaso Mauri, Giacomo Grasselli, Samir Jaber
No abstract text is available yet for this article.
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28523315/sinonasal-non-hodgkin-s-malignant-lymphoma-review-of-a-clinical-case
#9
Vlad Andrei Budu, Mihail Tuşaliu, Tatiana Decuseară, Ioan Alexandru Bulescu, Cristiana Gabriela Popp, Alexandru Panfiloiu, Andreea Nicoleta Costache, Iuliana Lupu, Carmen Aurelia Mogoantă
Malignant lymphomas represent one of the most important problems of modern medicine, with a constant increase in the last decades, becoming the most frequent tumor among young people. Sinonasal localization is a particular site of malignant lymphomas, representing the second most frequent among ear, nose and throat (ENT) tumors. In this paper, authors present the clinical, diagnostic and therapeutic aspects of a malignant sinonasal lymphoma, which despite an aggressive histological subtype and important regional extension had a favorable clinical outcome...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28523090/penetrating-craniomaxillofacial-injury-caused-by-a-pneumatic-nail-gun
#10
Kevin Jae Choi, Marisa Ann Ryan, Tracy Cheng, David Powers
Craniomaxillofacial injuries can be complex, requiring a multidisciplinary approach. The primary survey is always the first step in trauma management prior to proceeding with further evaluation and treatment. A 26-year-old man presented with a penetrating nail gun injury through the oral and nasal cavities. He did not present in extremis but required elective endotracheal intubation for intraoperative assessment and treatment. Airway management was enhanced by the use of lingual nerve and inferior alveolar nerve blocks via the Vazirani-Akinosi technique to maintain spontaneous respiration while the tongue was distracted from the palate...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28523041/functional-endoscopic-sinus-surgery-as-a-primary-modality-of-treatment-for-primary-and-recurrent-nasal-polyposis
#11
Mohammad Shahid Gohar, Saleem Asif Niazi, Sohail Baber Niazi
OBJECTIVES: To describe the efficacy of Functional Endoscopic Sinus Surgery(FESS) in our set up in comparison with other published studies to treat primary and recurrent nasal polyposis. METHOD: This descriptive study was conducted in 02 years at Ear Nose Throat Department Combined Military Hospital (CMH) Multan from October 2013 to October 2015. Convenient sample comprising 116 patients of both sexes of age group from 18 to 60 years were selected from ENT Out Patient Department, with documented diagnosis of nasal polyposis that underwent functional endoscopic sinus surgery...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522600/frontline-science-nasal-epithelial-gm-csf-contributes-to-tlr5-mediated-modulation-of-airway-dendritic-cells-and-subsequent-iga-response
#12
Yuan Cao, Ejuan Zhang, Jingyi Yang, Yi Yang, Jie Yu, Yang Xiao, Wei Li, Dihan Zhou, Yaoming Li, Bali Zhao, Hu Yan, Mengji Lu, Maohua Zhong, Huimin Yan
Flagellin, as a TLR5 agonist, is an established mucosal adjuvant for enhancing mucosal IgA responses by i.n. immunization. Nasal epithelial cells (NECs) are the first sentinel cells to be exposed to antigen and adjuvant in i.n. immunization, and it is suggested that they play an important role in the mucosal adjuvant activity of flagellin. However, the molecular mechanism leading to modulation and the response by flagellin-activated NECs remain unknown. We aimed to identify the soluble mediator(s) from flagellin-activated NECs that modulate the functions of airway dendritic cells (DCs) and enhance subsequent IgA response...
May 18, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28522383/cranium-bifidum-occultum-associated-with-hypertelorism-treated-with-posterior-vault-reconstruction-and-orbital-box-osteotomies-case-report-and-technical-note
#13
Rimal H Dossani, David M Yates, Piyush Kalakoti, Anil Nanda, Christina Notarianni, Jennifer Woerner, Ghali E Ghali
Cranium bifidum occultum is a disorder of skull ossification presenting as an enlarged posterior fontanelle in the upper posterior angle of the parietal bone near the intersection of the sagittal and lambdoid sutures. The standard treatment for cranium bifidum occultum is observation. We present a case of a 5-year-old boy who presented with a 15x4.5 cm midline posterior cranial vault defect consistent with diagnosis of cranium bifidum occultum associated with orbital hypertelorism and a widened nose. The patient underwent posterior vault reconstruction for correction of cranium bifidum occultum defect followed by bifrontal craniotomy and orbital box osteotomies for correction of orbital hypertelorism and nasal deformity...
May 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28521967/does-pterygomaxillary-disjunction-in-surgically-assisted-rapid-maxillary-expansion-influence-upper-airway-volume-a-prospective-study-using-dolphin-imaging-3d
#14
J Rômulo de Medeiros, M Ferraro Bezerra, F W Gurgel Costa, T Pinheiro Bezerra, C R de Araújo Alencar, E C Studart Soares
Surgically assisted rapid maxillary expansion has been used for the treatment of transverse maxillary deficiency. This prospective study aimed to evaluate the effect of this surgery (with or without pterygomaxillary disjunction) on the upper airway volume. The patients were randomly divided into two groups: without pterygomaxillary disjunction (-PD) and with pterygomaxillary disjunction (+PD). Eleven patients per group were estimated to obtain a representative sample (90% of power and 95% of confidence level)...
May 15, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28521966/aesthetic-and-functional-outcomes-in-patients-with-a-nasal-prosthesis
#15
C Becker, A M Becker, K K K Dahlem, C Offergeld, J Pfeiffer
The aim was to evaluate the aesthetic and functional outcomes in patients with a nasal prosthesis after radical tumour resection. A questionnaire with 15 domains was created to evaluate the satisfaction of patients with their nasal prosthesis. Correlations with the results of the University of Washington Quality of Life (UWQOL) questionnaire, which was also completed by the patients, were analyzed. Forty-three patients with a partial or total nasal prosthesis completed the questionnaire. Twenty-seven patients were male and 16 were female; their median age was 62 years...
May 15, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28521792/m2-macrophage-is-the-predominant-phenotype-in-airways-inflammatory-lesions-in-patients-with-granulomatosis-with-polyangiitis
#16
Alexandre Wagner Silva de Souza, Mirjan van Timmeren, Jan-Stephan Sanders, Coen Stegeman, Peter Heeringa, Cees G M Kallenberg, Johanna Westra
BACKGROUND: Macrophages may present two distinct phenotypes indicated as M1 and M2 under different stimuli. M1 and M2 macrophages have divergent functions that range from enhancement of inflammation for M1 to tissue repair and remodeling for M2 macrophages. The objective of this study was to evaluate the distribution of M1 and M2 macrophage phenotypes in biopsies from the airways of patients with active granulomatosis with polyangiitis (GPA) and to analyze their associations with T and B cells in those biopsies, and with nasal carriage of Staphylococcus aureus, disease parameters and therapy...
May 18, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28521670/intranasal-drug-delivery-a-non-invasive-approach-for-the-better-delivery-of-neurotherapeutics
#17
Umesh Gupta, Hitesh Kumar, Gaurav Mishra, Ashok Kumar Sharma, Avinash Gothwal, Prashant Kesharwani
BACKGROUND: The convoluted pathophysiology of brain disorders along with penetration issue of drugs to brain represents major hurdle that requires some novel therapies. The blood-brain barrier (BBB) denotes a rigid barrier for delivery of therapeutics in vivo, to overcome this barrier intranasal delivery is an excellent strategy to deliver the drug directly to brain via olfactory and trigeminal nerve pathways that originate as olfactory neuro-epithelium in the nasal cavity and terminate in brain...
May 14, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28521083/inflammatory-infiltrate-and-mucosal-remodeling-in-chronic-rhinosinusitis-with-and-without-polyps-structured-histopathologic-analysis
#18
Hannah N Kuhar, Bobby A Tajudeen, Mahboobeh Mahdavinia, Paolo Gattuso, Ritu Ghai, Pete S Batra
BACKGROUND: Chronic rhinosinusitis (CRS) is commonly classified into CRS with nasal polyps (CRSwNP) and CRS without nasal polyps (CRSsNP). Structured histopathologic reporting has the potential to identify salient histologic markers to differentiate subtypes and provide insights into pathophysiologic mechanisms in CRS. METHODS: A structured histopathology report of 13 variables was prospectively employed to analyze ethmoid sinus tissue removed during endoscopic sinus surgery for 99 patients, including 43 CRSsNP and 56 CRSwNP...
May 18, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28520902/early-acquisition-of-pneumocystis-jirovecii-colonization-and-potential-association-with-respiratory-distress-syndrome-in-preterm-newborn-infants
#19
Pilar Rojas, Vicente Friaza, Elisa Garcia, Carmen de la Horra, Sergio L Vargas, Enrique J Calderón, Antonio Pavón
Background: Pneumocystis pneumonia is a well-recognized lung disease of premature and malnourished babies. Even though, serologic studies have shown that children are exposed to Pneumocystis jirovecii early in life the epidemiology of human P. jirovecii infection and the host-microorganism relationship in infancy remain poorly understood. The aim of the present study was to investigate the prevalence of P. jirovecii colonization in preterm infants and its possible association with medical complications...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28520846/patient-specific-augmentation-rhinoplasty-using-a-three-dimensional-simulation-program-and-three-dimensional-printing
#20
Yim Don Choi, Youngjun Kim, EunSoo Park
Background: The convergence of three-dimensional (3D) simulation, tissue engineering, and 3D printing technology is creating a paradigm shift in plastic surgery. In augmentation rhinoplasty, determining the ideal material and design method has been a critical issue for many years. Thus, these technologies are expected to make important contributions to augmentation rhinoplasty. Objectives: We sought to validate the feasibility of the 3D carving simulation and patient-specific implant fabrication system (3D carving system) in a clinical trial using reproducibility tests...
May 17, 2017: Aesthetic Surgery Journal
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