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https://www.readbyqxmd.com/read/29785413/multivariate-analysis-of-inflammatory-endotypes-in-recurrent-nasal-polyposis-in-a-chinese-population
#1
B Wei, F Liu, J Zhang, Y Liu, J Du, S Liu, N Zhang, C Bachert, J Meng
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) remains a challenging clinical problem due to its propensity for recurrence. However, data on the frequency of CRSwNP recurrence after surgery in China are rare. METHODS: 78 CRSwNP patients undergoing functional endoscopic sinus surgery were followed-up for 8 years and classified into recurrent and non-recurrent groups. A cluster analysis of the CRSwNP based on inflammatory endotypes was performed, and the endotypes were secondarily matched with clinical phenotypes...
May 22, 2018: Rhinology
https://www.readbyqxmd.com/read/29784985/chronic-rhinosinusitis-with-nasal-polyps-is-characterized-by-dysbacteriosis-of-the-nasal-microbiota
#2
Thanit Chalermwatanachai, Ramiro Vilchez-Vargas, Gabriele Holtappels, Tim Lacoere, Ruy Jáuregui, Frederiek-Maarten Kerckhof, Dietmar H Pieper, Tom Van de Wiele, Mario Vaneechoutte, Thibaut Van Zele, Claus Bachert
Chronic rhinosinusitis with nasal polyp (CRSwNP) patients are often characterized by asthma comorbidity and a type-2 inflammation of the sinonasal mucosa. The mucosal microbiota has been suggested to be implicated in the persistence of inflammation, but associations have not been well defined. To compare the bacterial communities of healthy subjects with CRSwNP patients, we collected nasal swabs from 17 healthy subjects, 21 CRSwNP patients without asthma (CRSwNP-A), and 20 CRSwNP patients with co-morbid asthma (CRSwNP+A)...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29778504/solitary-chemosensory-cells-are-a-primary-epithelial-source-of-interleukin-25-in-chronic-rhinosinusitis-with-nasal-polyps
#3
Michael A Kohanski, Alan D Workman, Neil N Patel, Li-Yin Hung, Julie P Shtraks, Bei Chen, Mariel Blasetti, Laurel Doghramji, David W Kennedy, Nithin D Adappa, James N Palmer, De'Broski R Herbert, Noam A Cohen
BACKGROUND: IL-25 can function as an early signal for the respiratory Type 2 response characteristic of allergic asthma and chronic rhinosinusitis with nasal polyps (CRSwNP). In the mouse gut, tuft cells are the epithelial source of IL-25. However, the source of human airway epithelial IL-25 has remained elusive. OBJECTIVE: In this study, we sought to determine if the solitary chemosensory cell (SCC) is the predominant source of IL-25 in the sinonasal epithelium...
May 17, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29759032/tim-3-expressing-mast-cells-are-present-in-chronic-rhinosinusitis-with-nasal-polyps
#4
Erica Corredera, Binh L Phong, John A Moore, Lawrence P Kane, Stella E Lee
Objectives To identify whether TIM-3 expression is present in the mast cell population within nasal polyps and to determine its correlation with clinical severity in patients with chronic rhinosinusitis with nasal polyposis. Study Design Basic science, translational study. Setting Nasal polyp tissue collected from patients seen at a tertiary care hospital (2015-2016). Subjects and Methods Nasal polyp tissue obtained during functional endoscopic sinus surgery (n = 24) was enzymatically digested into epithelial and stromal fractions...
May 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29723943/-aspirin-exacerbated-respiratory-disease-case-based-review
#5
Karen Estefanía Hernández-Moreno, Ricardo Cardona
Aspirin-exacerbated respiratory disease comprises a series of signs and symptoms mainly involving the upper and lower posterior airway after the consumption of cyclooxygenase enzyme inhibitors. Adverse reactions that occur are not considered to be an allergy and are common to all non-steroidal anti-inflammatory drugs, and cross-reactivity between these agents is therefore common. The description of 3 clinical cases serves to review key aspects of this condition, such as epidemiology, pathophysiology, clinical manifestations, diagnosis and management...
January 2018: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29712509/systematic-review-and-meta-analysis-of-snot-22-outcomes-after-surgery-for-chronic-rhinosinusitis-with-nasal-polyposis
#6
Phong T Le, Zachary M Soler, Rabun Jones, Jose L Mattos, Shaun A Nguyen, Rodney J Schlosser
Objective Wide variation exists regarding reported outcomes after endoscopic sinus surgery (ESS) for chronic rhinosinusitis with nasal polyps (CRSwNP). This study seeks to combine data across studies to generate a summary measure and explore factors that might lead to variation. Data Sources OVID Medline, Scopus, EbscoHost, Database of Abstracts and Reviews of Effects, Health Technology Assessment, and National Health Service Economic Evaluation Database. Review Methods A search was performed following the PRISMA guidelines...
April 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29696083/health-care-resource-utilization-and-characteristics-of-patients-with-eosinophilic-asthma-in-secondary-health-care-in-finland
#7
Mika J Mäkelä, Helene Nordahl Christensen, Antti Karlsson, Sarang Rastogi, Kirsi Kettunen
Background : Eosinophilic airway inflammation is common in asthma patients and appears to be associated with severe exacerbations and loss of asthma control. Objective : To describe the resource utilization and clinical characteristics of patients with eosinophilic asthma. Design : Asthma patients ≥18 years with ≥1 blood eosinophil count in secondary care (South West Finland) during 2003‒2013 were included. Clinical characteristics (age, lung function, body mass index, and comorbidities) and asthma-related resource utilization (hospital admissions, outpatient visits, and emergency room [ER] visits) were retrieved...
2018: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29682983/long-term-clinical-outcomes-of-aspirin-desensitization-with-continuous-daily-aspirin-therapy-in-aspirin-exacerbated-respiratory-disease
#8
Kristen M Walters, Jeremy D Waldram, Katharine M Woessner, Andrew A White
Background Aspirin-exacerbated respiratory disease (AERD), also known as Samter's triad or aspirin (ASA)-intolerant asthma, affects 7% of asthmatics and has a higher prevalence in those with chronic rhinosinusitis and concomitant nasal polyposis. ASA desensitization with daily ASA therapy is a uniquely beneficial treatment for this disease entity and has been shown to have a significant impact on symptom scores, polyp disease, and need for systemic corticosteroids. However, no long-term studies have demonstrated whether or not ASA therapy remains safe and beneficial for these patients beyond 5-10 years...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29676185/blood-eosinophil-and-basophil-values-before-and-after-surgery-for-eosinophilic-type-sinonasal-polyps
#9
Giuseppe Brescia, Daniela Parrino, Claudia Zanotti, Giulia Tealdo, Umberto Barion, Paolo Sfriso, Gino Marioni
Background Blood eosinophil and basophil levels have recently been considered for the purpose of endotyping chronic rhinosinusitis with nasal polyps (CRSwNP). Histologically, eosinophilic-type CRSwNPs have been associated with high recurrence rates after treatment. Objective The present study was the first to compare blood eosinophil and basophil counts in eosinophilic-type CRSwNP patients before and after endoscopic sinus surgery. Methods The study concerned 79 consecutive patients with histologically confirmed eosinophilic-type CRSwNP treated with endoscopic sinus surgery...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29642688/samter-s-triad-state-of-the-art
#10
Sung-Dong Kim, Kyu-Sup Cho
Samter's triad (ST) is a well-known disease characterized by the triad of bronchial asthma, nasal polyps, and aspirin intolerance. Over the past few years, a rapid development in the knowledge of the pathogenesis and clinical characteristics of ST has happened. The aim of this paper is to review the recent investigations on the pathophysiological mechanisms and genetic background, diagnosis, and different therapeutic options of ST to advance our understanding of the mechanism and the therapeutic control of ST...
April 13, 2018: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/29611776/last-station-in-the-eosinophilic-asthma-with-chronic-rhinosinusitis-and-or-nasal-polyposis-march-eosinophilic-asthma-with-radiological-findings-associated-with-blood-eosinophilia
#11
Insu Yılmaz, Sakine Nazik Bahçecioğlu, Murat Türk, Nuri Tutar, Fatma Sema Oymak, İnci Gülmez
OBJECTIVE: Eosinophilic asthma with chronic rhinosinusitis and/or nasal polyposis (EA-CRS/NP) is a subphenotype of adult-onset eosinophilic asthma. Blood eosinophil levels are shown to be highly elevated in patients with EA-CRS/NP and have potential for tissue infiltration. We aimed to demonstrate the clinical features of the patients who have a blood eosinophil level above 10% and have thorax computed tomography findings due to blood eosinophilia. METHODS: Patients who were followed up in our clinic between 2012 and 2017 were retrospectively evaluated...
April 3, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29569134/the-microbiology-of-chronic-rhinosinusitis-with-and-without-nasal-polyps
#12
Hong-Zheng Wei, Yun-Chuan Li, Xiang-Dong Wang, Xin-Xin Lu, Chun-Hua Hu, Shuai He, Xin Liu
OBJECTIVE: To compare the microbiological features in middle meatus samples from chronic rhinosinusitis (CRS) patients with nasal polyps (CRSwNP) and those without nasal polyps (CRSsNP), and control subjects. METHODS: A total of 136 CRSwNP patients, 66 CRSsNP patients, and 49 control subjects who underwent endoscopic surgery in Beijing TongRen Hospital were enrolled between January 2014 and January 2016. Swab samples were obtained from the middle meatus during surgery and processed for the presence of aerobic and non-aerobic bacteria and fungi...
March 22, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29564208/subtyping-of-polyposis-nasi-phenotypes-endotypes-and-comorbidities
#13
REVIEW
Michael Koennecke, Ludger Klimek, Joaquim Mullol, Philippe Gevaert, Barbara Wollenberg
Background: Chronic rhinosinusitis (CRS) is a heterogeneous, multifactorial inflammatory disease of the nasal and paranasal mucosa. It has not been possible to date to develop an internationally standardized, uniform classification for this disorder. A phenotype classification according to CRS with (CRSwNP) and without polyposis (CRSsNP) is usually made. However, a large number of studies have shown that there are also different endotypes of CRS within these phenotypes, with different pathophysiologies of chronic inflammation of the nasal mucosa...
2018: Allergo Journal International
https://www.readbyqxmd.com/read/29550078/nasal-polyposis-pathophysiology-endotype-and-phenotype-open-issues
#14
REVIEW
Giuseppe Brescia, Claudia Zanotti, Daniela Parrino, Umberto Barion, Gino Marioni
PURPOSE: Endotyping chronic rhinosinusitis with nasal polyps (CRSwNP) poses a challenge for rhinologists nowadays. Phenotyping CRSwNP proved inappropriate as an approach to their classification because of their common clinical features. Endotyping, being based on the pathogenic mechanism, provides a precise picture more appropriate for use in clinical practice. Patients' treatment and follow-up can thus be tailored to cope with the degree of aggressiveness of a specific CRSwNP endotype...
March 7, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29534838/cortactin-expression-in-nasal-polyps-of-aspirin-exacerbated-respiratory-disease-aerd-patients
#15
Giuseppe Brescia, Daniela Parrino, Lorenzo Nicolè, Claudia Zanotti, Cristiano Lanza, Umberto Barion, Filippo Marino, Gino Marioni
PURPOSE: The term aspirin-exacerbated respiratory disease (AERD) refers to a combination of asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP), and acute respiratory tract reactions to nonsteroidal anti-inflammatory drugs. AERD has now been included among the CRSwNP endotypes, and is considered one of the most aggressive in terms of disease recurrence. Cortactin is a multi-domain protein with a part in several cellular mechanisms involving actin assembly and cytoskeleton arrangement...
May 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29504383/omalizumab-a-new-prospective-a-nasal-polyposis
#16
C Cavaliere, E Begvarfaj, F Frati, S Masieri
Omalizumab, a monoclonal antibody against IgE, may be effective on nasal polyps, but its use is not currently authorized to treat that disease. We report the cases of three patients who were given omalizumab for asthma after undergoing nasal surgical polypectomy. Although such procedure is frequently followed by polyp recurrence, none of the three patients developed this complication, and in one subject the regression of initial polyp return was registered after starting omalizumab. Our data support the hypothesis that omalizumab may be useful to treat nasal polyposis...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29501242/comorbidity-disease-burden-and-mortality-across-age-groups-in-a-swedish-primary-care-asthma-population-an-epidemiological-register-study-pacehr
#17
Karin Lisspers, Christer Janson, Kjell Larsson, Gunnar Johansson, Gunilla Telg, Marcus Thuresson, Björn Ställberg
BACKGROUND: Asthma is often associated with other diseases. To identify and manage comorbidities is important, as these conditions may increase the disease burden. OBJECTIVE: To describe the prevalence of comorbidities, disease burden and mortality across age groups in a large Swedish primary care real-life asthma population. METHODS: Observational cohort study of asthma patients, all ages, identified from electronic medical records by ICD-10-CM code, data from 36 primary care centers...
March 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29476616/upregulation-of-extraneuronal-trpv1-expression-in-chronic-rhinosinusitis-with-nasal-polyps
#18
E Tóth, T Tornóczky, J Kneif, A Perkecz, K Katona, Z Piski, Á Kemény, I Gerlinger, J Szolcsányi, J Kun, E Pintér
BACKGROUND: Chronic rhinosinusitis (CRS) is a multifactorial upper airway disease with unclear etiology. Neuronal Transient Receptor Potential Vanilloid 1 (TRPV1) and Ankyrin 1 (TRPA1) channels have been implicated in the pathogenesis of CRS. We aimed to detect the expression of extraneuronal TRPV1 and TRPA1 receptors in nasal polyp (NP) tissue samples. METHODOLOGY: Samples were obtained from fourty-two CRS pateints with nasal polyp and sixteen healthy controls to measure receptor gene expression by quantitative PCR, protein localization by immunohistochemistry and cytokine profile by multiplex bead immunoassay...
February 24, 2018: Rhinology
https://www.readbyqxmd.com/read/29444915/predictors-of-accelerated-decline-in-lung-function-in-adult-onset-asthma
#19
Hanneke Coumou, Guus A Westerhof, Selma B de Nijs, Aeilko H Zwinderman, Elisabeth H Bel
Little is known about the prognosis of adults with new-onset asthma. Cross-sectional studies suggest that these patients may exhibit accelerated decline in forced expiratory volume in 1 s (FEV1 ). However, risk factors for accelerated decline in lung function have not yet been identified.We aimed to identify these risk factors in a prospective 5-year follow-up study in 200 adults with newly diagnosed asthma. In the current study, clinical, functional and inflammatory parameters were assessed annually for 5 years...
February 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29432969/age-related-prevalence-of-chronic-rhinosinusitis-and-nasal-polyps-and-their-relationships-with-asthma-onset
#20
Ha-Kyeong Won, Young-Chan Kim, Min-Gyu Kang, Han-Ki Park, Seung-Eun Lee, Min-Hye Kim, Min-Suk Yang, Yoon-Seok Chang, Sang-Heon Cho, Woo-Jung Song
BACKGROUND: Chronic rhinosinusitis (CRS) is a major disease condition with high morbidity and can influence lower airway disease status in adults. However, its associations with adult asthma onset and activity have not been examined in detail in a general adult population. OBJECTIVE: To investigate relationships between CRS with nasal polyps (CRSwNP) and asthma characteristics. METHODS: A cross-sectional data set of 17,506 adult participants (≥18 years old) in the Korean National Health and Nutrition Examination Survey from 2010 through 2012 was analyzed...
April 2018: Annals of Allergy, Asthma & Immunology
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