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Zhou ZR, Fang SB, Liu XQ, Li CG, Xie YC, He BX, Sun Q, Tian T, Deng XH, Fu QL. Serum amyloid A1 induced dysfunction of airway macrophages via CD36 pathway in allergic airway inflammation. Int Immunopharmacol 2024; 142:113081. [PMID: 39244902 DOI: 10.1016/j.intimp.2024.113081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 08/30/2024] [Accepted: 09/01/2024] [Indexed: 09/10/2024]
Abstract
Previous studies showed that serum amyloid A (SAA) and macrophages were associated with allergic airway inflammation. However, the interaction between SAA1 and macrophages in allergic airway inflammation remains to be further elucidated. In this study, the levels of SAA1 were measured in nasal tissues from patients with eosinophilic chronic rhinosinusitis with nasal polyps (CRSwNP), house dust mite (HDM)-treated BEAS-2B cells and the tissues of mice of HDM-induced allergic airway inflammation. Human monocytes-derived macrophages and mouse bone marrow-derived macrophages (BMDMs) were exposed to SAA1, and CCL17 and the other M1/M2-related factors were evaluated using RT-PCR and/or ELISA. To test the effects of SAA1-treated BMDMs on chemotaxis and differentiation of CD4+ T cells, number of migrated cells and the levels of Th1 and Th2 were measured using flow cytometry. SAA1 receptors were examined in BMDMs and lung macrophages of model mice. CD36 neutralizing antibody was applied to explore the mechanisms of SAA1 in regulating BMDMs using RT-PCR and/or ELISA. We found that SAA1 was expressed in epithelial cells, and was increased in the nasal tissues of patients with eosinophilic CRSwNP and HDM-treated BEAS-2B- cells as well as the bronchoalveolar lavage fluid and lung tissues of mice exposed to HDM. We also found that the level of CCL17 was increased in M2 macrophages, more CD4+ T cells were recruited and proportion of Th2 was increased after the treatment of SAA1. The treatment of CD36 neutralizing antibody decreased CCL17 level in SAA1-treated M2 BMDMs. In summary, our results showed that SAA1 was increased in allergic airway inflammation, and the administration of SAA1 upregulated the expression of CCL17 in M2 macrophages via CD36 and promoted the chemotaxis of CD4+ T cells and differentiation of Th2. It may provide a new therapeutic strategy that could mediate allergic airway inflammation via suppressing SAA1 to reduce recruitment of CD4+ T cells and activation of Th2.
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Affiliation(s)
- Zhi-Rou Zhou
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Shu-Bin Fang
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Xiao-Qing Liu
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Chan-Gu Li
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Ying-Chun Xie
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Bi-Xin He
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Qi Sun
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China
| | - Tian Tian
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China; Extracellular Vesicle Research and Clinical Translational Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Hui Deng
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China; Extracellular Vesicle Research and Clinical Translational Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qing-Ling Fu
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Allergy, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Otorhinolaryngology Institute of Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Otorhinolaryngology, Guangzhou, China; Extracellular Vesicle Research and Clinical Translational Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
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Dykewicz MS, Wallace DV, Bandi S, Mahdavinia M, Sedaghat AR. Patient-Reported Outcome Measures in Rhinitis and Chronic Rhinosinusitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2024:S2213-2198(24)00699-8. [PMID: 39004415 DOI: 10.1016/j.jaip.2024.06.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/19/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024]
Abstract
Patient-reported outcome measures (PROMs) are valuable in the assessment and management of rhinitis and chronic rhinosinusitis (CRS). They measure outcomes that may include symptoms, disease control, well-being, and health-related quality of life (QOL). PROMs for rhinitis and rhinosinusitis are often used before and after an intervention, for example, medication, therapeutic procedure, or, in allergic rhinitis (AR), allergen immunotherapy. Although widely used in clinical trials for AR and conjunctivitis, symptom score PROMs are less validated than disease control or QOL measures. The best validated PROM for AR is the Rhinitis Quality of Life Questionnaire, but there is no universally accepted criterion standard for symptom and disease control PROMs. For CRS, at least 15 different criteria have been used to assess disease control in clinical studies, but what CRS disease control means and how it should be measured are concepts in evolution. The most used QOL measure for CRS is the 22-item Sinonasal Outcome Test. The use of PROMs to support clinical decisions and for shared decision-making for rhinitis and rhinosinusitis still has many challenges, including the selection of the preferred instrument, when and how to administer, the impact of comorbidities, and questionnaire fatigue for both patient and provider.
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Affiliation(s)
- Mark S Dykewicz
- Section of Allergy and Immunology, Department of Internal Medicine, Saint Louis University School of Medicine, Saint Louis, Mo.
| | - Dana V Wallace
- Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale, Fla
| | - Sindhura Bandi
- Division of Allergy and Immunology, Department of Internal Medicine, Rush University Medical Center, Chicago, Ill
| | - Mahboobeh Mahdavinia
- Division of Allergy/Immunology, Department of Internal Medicine, University of Texas Health, Houston, Texas
| | - Ahmad R Sedaghat
- Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Bousquet J, Toumi M, Sousa-Pinto B, Anto JM, Bedbrook A, Czarlewski W, Valiulis A, Ansotegui IJ, Bosnic-Anticevich S, Brussino L, Canonica GW, Cecchi L, Cherrez-Ojeda I, Chivato T, Costa EM, Cruz AA, Del Giacco S, Fonseca JA, Gemicioglu B, Haahtela T, Ivancevich JC, Jutel M, Kaidashev I, Klimek L, Kvedariene V, Kuna P, Larenas-Linnemann DE, Lipworth B, Morais-Almeida M, Mullol J, Papadopoulos NG, Patella V, Pham-Thi N, Regateiro FS, Rouadi PW, Samolinski B, Sheikh A, Taborda-Barata L, Ventura MT, Yorgancioglu A, Zidarn M, Zuberbier T. The Allergic Rhinitis and Its Impact on Asthma (ARIA) Approach of Value-Added Medicines: As-Needed Treatment in Allergic Rhinitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:2878-2888. [PMID: 35934308 DOI: 10.1016/j.jaip.2022.07.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/21/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Drug repurposing is a major field of value-added medicine. It involves investigating and evaluating existing drugs for new therapeutic purposes that address unmet healthcare needs. Several unmet needs in allergic rhinitis could be improved by drug repurposing. This could be game-changing for disease management. Current medications for allergic rhinitis are centered on continuous long-term treatment, and medication registration is based on randomized controlled trials carried out for a minimum of 14 days with adherence of 70% or greater. A new way of treating allergic rhinitis is to propose as-needed treatment depending on symptoms, rather than classical continuous treatment. This rostrum will discuss existing clinical trials on as-needed treatment for allergic rhinitis and real-world data obtained by the mobile health app MASK-air, which focuses on digitally-enabled, patient-centered care pathways.
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Affiliation(s)
- Jean Bousquet
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; University Hospital Montpellier, Montpellier, France; Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany.
| | - Mondher Toumi
- Public Health, Aix-Marseille University, Marseille, France
| | - Bernardo Sousa-Pinto
- MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS-Center for Health Technology and Services Research, University of Porto, Porto, Portugal; RISE-Health Research Network, University of Porto, Porto, Portugal
| | - Josep M Anto
- ISGlobaL, Barcelona Institute for Global Health, Barcelona, Spain; Hospital del Mar Medical Research Institute, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain; CIBER Epidemiología y Salud Pública, Barcelona, Spain
| | | | | | - Arunas Valiulis
- Institute of Clinical Medicine and Institute of Health Sciences, Medical Faculty of Vilnius University, Vilnius, Lithuania
| | - Ignacio J Ansotegui
- Department of Allergy and Immunology, Hospital Quironsalud Bizkaia, Bilbao, Spain
| | - Sinthia Bosnic-Anticevich
- Quality Use of Respiratory Medicine Group, Woolcock Institute of Medical Research, University of Sydney, and Sydney Local Health District, Sydney, New South Wales, Australia
| | - Luisa Brussino
- Department of Medical Sciences, Allergy and Clinical Immunology Unit, University of Torino and Mauriziano Hospital, Torino, Italy
| | - G Walter Canonica
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele and Personalized Medicine, Asthma and Allergy, Humanitas Clinical and Research Center IRCCS, Rozzano, Italy
| | - Lorenzo Cecchi
- SOS Allergology and Clinical Immunology, USL Toscana Centro, Prato, Italy
| | - Ivan Cherrez-Ojeda
- Department of Allergy and Pulmonology, Espiritu Santo University, Samborondón, Ecuador
| | - Tomas Chivato
- School of Medicine, University CEU San Pablo, Madrid, Spain
| | - Elísio M Costa
- UCIBIO, REQUINTE, Faculty of Pharmacy and Competence Center on Active and Healthy Ageing of University of Porto (Porto4Ageing), Porto, Portugal
| | - Alvaro A Cruz
- Fundaçao ProAR, Federal University of Bahia and GARD/WHO Planning Group, Salvador, Bahia, Brazil
| | - Stefano Del Giacco
- Department of Medical Sciences and Public Health and Unit of Allergy and Clinical Immunology, University Hospital "Duilio Casula," University of Cagliari, Cagliari, Italy
| | - Joao A Fonseca
- MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS-Center for Health Technology and Services Research, University of Porto, Porto, Portugal; RISE-Health Research Network, University of Porto, Porto, Portugal
| | - Bilun Gemicioglu
- Department of Pulmonary Diseases, Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Istanbul, Turkey
| | - Tari Haahtela
- Skin and Allergy Hospital, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | | | - Marek Jutel
- Department of Clinical Immunology, Wrocław Medical University, Wroclaw, Poland; ALL-MED Medical Research Institute, Wroclaw, Poland
| | - Igor Kaidashev
- Poltava State Medical University, Poltava Oblast, Ukraine
| | - Ludger Klimek
- Department of Otolaryngology, Head and Neck Surgery, Universitätsmedizin Mainz, Mainz, Germany; Center for Rhinology and Allergology, Wiesbaden, Germany
| | - Violeta Kvedariene
- Institute of Biomedical Sciences, Department of Pathology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania; Institute of Clinical Medicine, Clinic of Chest Diseases and Allergology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Piotr Kuna
- Division of Internal Medicine, Asthma and Allergy, Barlicki University Hospital, Medical University of Lodz, Lodz, Poland
| | - Désirée E Larenas-Linnemann
- Center of Excellence in Asthma and Allergy, Médica Sur Clinical Foundation and Hospital, México City, México
| | - Brian Lipworth
- Scottish Centre for Respiratory Research, Cardiovascular and Diabetes Medicine, Medical Research Institute, Ninewells Hospital, University of Dundee, Dundee, United Kingdom
| | | | - Joaquim Mullol
- Rhinology Unit and Smell Clinic, ENT Department, Hospital Clinic, Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, University of Barcelona, Barcelona, Spain
| | | | - Vincenzo Patella
- Division of Allergy and Clinical Immunology, Department of Medicine, Agency of Health ASL Salerno, "Santa Maria della Speranza" Hospital, Battipaglia, Salerno, Italy
| | - Nhân Pham-Thi
- Ecole Polytechnique Palaiseau, Institut de Recherche Bio-Médicale des Armées, Bretigny, France
| | - Frederico S Regateiro
- Allergy and Clinical Immunology Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal; Institute of Immunology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal; ICBR - Coimbra Institute for Clinical and Biomedical Research, CIBB, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Philip W Rouadi
- Department of Otolaryngology-Head and Neck Surgery, Eye and Ear University Hospital, Beirut, Lebanon; ENT Department, Dar Al Shifa Hospital, Salmiya, Kuwait
| | - Boleslaw Samolinski
- Department of Prevention of Environmental Hazards, Allergology, and Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Aziz Sheikh
- Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Luis Taborda-Barata
- UBIAir-Clinical and Experimental Lung Centre, University of Beira Interior, Covilhã, Portugal; CICS-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; Department of Immunoallergology, Cova da Beira University Hospital Centre, Covilhã, Portugal
| | - Maria Teresa Ventura
- Unit of Geriatric Immunoallergology, University of Bari Medical School, Bari, Italy
| | | | - Mihaela Zidarn
- University Clinic of Respiratory and Allergic Diseases, Golnik, Slovenia; Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Torsten Zuberbier
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
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A Questionnaire Survey on the Prevalence and Parents' Perceptions of Respiratory Allergies in a 3- to 16-Year-Old Population in Wuhan, China. J Clin Med 2022; 11:jcm11164864. [PMID: 36013103 PMCID: PMC9409729 DOI: 10.3390/jcm11164864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/01/2022] [Accepted: 08/16/2022] [Indexed: 11/18/2022] Open
Abstract
(1) Background: The prevalence of allergic rhinitis (AR) and asthma has increased rapidly in China. However, perceptions of respiratory allergies and barriers to their management have not attracted enough attention. (2) Objective: To investigate the prevalence of, parents’ perceptions of and their unmet needs for information concerning respiratory allergies in a 3- to 16-year-old children population. (3) Methods: A cross-sectional survey was conducted from June to July 2021 in three schools in Wuhan, China. A total of 1963 participants were recruited through cluster sampling for their parents to complete an online questionnaire regarding respiratory allergic symptoms. The diagnosis of respiratory allergies was based on self-reported symptoms and face-to-face physician evaluation. All the participants with respiratory allergies were asked to complete the Brief Illness Perception Questionnaire (B-IPQ), the Asthma Knowledge Questionnaire (AKQ) and a questionnaire regarding their unmet needs for disease management. (4) Results: The prevalence of respiratory allergies was 29.3% (576/1963) in the 3- to 16-year-old population, among whom AR accounted for 25.7%; asthma, 1.8% and AR-complicated asthma (AR&Asthma), 1.9%. The total B-IPQ score was 40.2 ± 10.9 in the participants with respiratory allergies, and there were no differences among the AR, asthma and AR&Asthma groups (all p > 0.05). The B-IPQ score correlated significantly with symptom onset time and a history of atopic dermatitis (p < 0.01). Nearly one fifth, 18.9%, of the participants with respiratory allergies never went to hospital for treatment, but those with higher B-IPQ scores were more likely to seek professional treatment (p < 0.001). The accuracy rates of AKQ were 72.5% in the participants with asthma and 76.7% in those without asthma (p = 0.147). Among the 576 participants with respiratory allergies, 568 (98.6%) had tried to obtain disease-management information from online platforms, and 55.5% (315/568) were dissatisfied with current platforms; the reasons included incomprehensive contents of illness (45.7%), lack of voice from leading experts (40.3%), too many advertisements (37.5%) and similar contents on different platforms (36.8%). (5) Conclusions: The prevalence of respiratory allergies is high in the 3- to 16-years old population in Wuhan, China. Yet the parents’ perceptions of respiratory allergies and knowledge of asthma are insufficient. It is crucial to increase parents’ awareness of the illness and facilitate their access to truly informative and professional platforms.
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Allergic rhinitis characterization in community pharmacy customers: a cross-sectional study. Int J Clin Pharm 2020; 43:118-127. [PMID: 32951180 DOI: 10.1007/s11096-020-01115-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 07/25/2020] [Indexed: 10/23/2022]
Abstract
Background Allergic rhinitis represents a public health problem that is significantly prevalent in the global population and has been associated with asthma, a strong desire to sleep and a low quality of life. Objective This study aims to evaluate the prevalence, symptoms, control strategies and treatment, as well as the control of this condition and its impact on the quality of life of customers of community pharmacies with allergic rhinitis. Setting A questionnaire survey was carried out in nine community pharmacies in the city of Guarda, Portugal. Method In this cross-sectional study, data was collected by an interview between May 2014 and December 2014. The control of the illness and the impact of allergic rhinitis on the quality of life were assessed through a CARAT10 test and a WHOQOL-BREF instrument, respectively. Main outcome measure The impact of allergic rhinitis on the patient's quality of life. Results The estimated prevalence of allergic rhinitis was between 10.8% and 15.4%, from which 63 and 42 individuals were medically and symptomatically diagnosed, respectively, from a study population of 804 respondents. The majority of participants (57.1%) suffered from the symptoms more than twice a year. The symptoms, such as difficulty in falling asleep, repeated and continuous sneezing and bilateral nasal obstruction, were severe. There were patients with uncontrolled allergic rhinitis symptoms after the CARAT10 test, even when the individual's perception of the quality of life was good according to the WHOQOL-BREF score, with gender differences in the psychological domain. It should also be emphasized that there was a significant association between higher education levels with better control of the illness/quality of life. Additionally, most participants used pharmacological treatment (not alternative therapies) and the adoption of self-management measures to relieve their symptoms. Conclusions The findings of this study showed that the estimated prevalence of allergic rhinitis seems to be apparently lower in Guarda than that found in the general Portuguese population. From the data, some patients showed uncontrolled allergic rhinitis symptoms, strengthening the importance of the role of intervention by a health professional.
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Ma Y, Liang M, Tian P, Liu X, Dang H, Chen Q, Zou H, Zheng Y. Eustachian tube dysfunction in patients with house dust mite-allergic rhinitis. Clin Transl Allergy 2020; 10:30. [PMID: 32685128 PMCID: PMC7362452 DOI: 10.1186/s13601-020-00328-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 06/04/2020] [Indexed: 12/28/2022] Open
Abstract
Background One of the important pathogeneses of eustachian tube dysfunction (ETD) is nasal inflammatory disease. The prevalence of allergic rhinitis (AR) in adults ranges from 10 to 30% worldwide. However, research on the status of eustachian tubes in AR patients is still very limited. Methods This prospective controlled cross-sectional study recruited 59 volunteers and 59 patients with AR from Sun Yat-sen Memorial Hospital. Visual analogue scale (VAS) scores for AR symptoms and seven-item Eustachian Tube Dysfunction Questionnaire (ETDQ-7) scores were collected for both groups. Nasal endoscopy, tympanography and eustachian tube pressure measurement (tubomanometry, TMM) were used for objective assessment. All AR patients underwent 1 month of treatment with mometasone furoate nasal spray and oral loratadine. Then, the nasal condition and eustachian tube status were again evaluated. Results TMM examination revealed that 22 patients (39 ears, 33.1%) among the AR patients and 5 healthy controls (7 ears, 5.9%) had abnormal eustachian pressure. Twenty-two AR patients (37.3%) and 9 healthy controls had an ETDQ-7 score ≥ 15. With regard to nasal symptoms of AR, the VAS scores of nasal obstruction were correlated with the ETDQ-7 scores, and the correlation coefficient was r = 0.5124 (p < 0.0001). Nasal endoscopic scores were also positively correlated with ETDQ-7 scores, with a correlation coefficient of 0.7328 (p < 0.0001). After 1 month of treatment, VAS scores of nasal symptoms, endoscopic scores and ETDQ-7 scores were significantly decreased in AR patients (p < 0.0001), and TMM examination also suggested that eustachian tube function was significantly improved after treatment (p < 0.0001). Conclusions AR patients, especially those with severe nasal obstruction, could have ETD. The local conditions of the pharyngeal orifices of the eustachian tubes are closely related to the symptoms of ETD. After treatment with nasal glucocorticoids and oral antihistamines, eustachian tube function can significantly improve as nasal symptoms subside. Trial registration Chinese Clinical Trial Registery (ChiCTR2000029071) Registered 12 January 2020—Retrospectively registered, http://www.chictr.org.cn/edit.aspx?pid=48328&htm=4
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Affiliation(s)
- Yun Ma
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Maojin Liang
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Peng Tian
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xiang Liu
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Hua Dang
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Qiujian Chen
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Hua Zou
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Yiqing Zheng
- Department of Otorhinolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
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Kakobo PK, Kalala HK, Tshibola MM, Kelekele JK, Nyembue DT, Hellings PW. Pattern of uncontrolled allergic rhinitis in a hospital setting of Kinshasa, Democratic Republic of Congo. IMMUNITY INFLAMMATION AND DISEASE 2019; 7:286-291. [PMID: 31532078 PMCID: PMC6842815 DOI: 10.1002/iid3.272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/27/2019] [Accepted: 09/02/2019] [Indexed: 11/13/2022]
Abstract
Aim To determine the clinical and allergic features of uncontrolled allergic rhinitis (UCAR) in the Democratic Republic of Congo (DRC). Methods Observational cross‐sectional study of 311 patients with UCAR. Allergic rhinitis was diagnosed clinically with sensitization to inhalant allergens and then confirmed by skin prick test. Severity was assessed using the Visual Analog Scale (VAS), with VAS scores greater than or equal to 5 used as cut off to determine uncontrolled status. Results The mean age of UCAR patients was 30.7 ± 15.1 years and 66.9% of the patients were females. Three out of four patients had persistent UCAR while the remainder had intermittent symptoms. UCAR was associated with rhinosinusitis and asthma in 18.6% and 18% of the patients, respectively. Among UCAR patients, 95.2% were polysensitized. The allergens most frequently involved were mites (82%), cat (27.3%), and dog (26.7%). The most frequent symptoms were nasal congestion, sneezing, and runny nose. There were 44.4% of the patients treated with nasal corticosteroids and 33.1% with oral antihistamine (anti‐H1). Conclusions This study reports on the clinical phenotype of UCAR in the DRC. The findings contribute to our understanding of UCAR in this population and may be used to implement strategies to reduce the prevalence and burden of UCAR in this setting.
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Affiliation(s)
- Patricia K Kakobo
- ENT Service, Kinshasa University Hospital, Kinshasa, Democratic Republic of Congo
| | - Hilaire K Kalala
- ENT Service, Kinshasa University Hospital, Kinshasa, Democratic Republic of Congo
| | - Maguy M Tshibola
- ENT Service, Kinshasa University Hospital, Kinshasa, Democratic Republic of Congo
| | - Joseph K Kelekele
- Ophtalmology Service, Kinshasa University Hospital, Kinshasa, Democratic Republic of Congo
| | - Dieudonné T Nyembue
- ENT Service, Kinshasa University Hospital, Kinshasa, Democratic Republic of Congo
| | - Peter W Hellings
- Department of Otorhinolaryngology and Head and Nose Surgery, University Hospital of Leuven, Leuven, Belgium.,Department of Otorhinolaryngology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.,Upper Airways Research Laboratory, University of Ghent, Ghent, Belgium
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Calderón MA, Casale TB, Demoly P. Validation of Patient-Reported Outcomes for Clinical Trials in Allergic Rhinitis: A Systematic Review. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:1450-1461.e6. [PMID: 30797777 DOI: 10.1016/j.jaip.2019.01.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 01/05/2019] [Accepted: 01/07/2019] [Indexed: 01/07/2023]
Abstract
Although regulatory authorities have recently recommended the use of a combined symptom-medication score as a primary efficacy end point, none has been psychometrically validated. Here, we sought to determine to what extent allergic rhinitis (AR)-related patient-reported outcomes (symptom scores, medication scores, disease control scores, and satisfaction or quality-of-life scales) have been assessed for construct, content, and/or criterion validity, reliability, responsiveness, and the minimal clinically important difference. We searched the PubMed database from January 1997 to June 2018 with logical combinations of key words related to validation, AR, and patient-rated outcomes and scales. From a total of 1705 potentially relevant publications, 55 were reviewed. Despite the current emphasis on a combined symptom-medication score for evaluating the efficacy of allergen immunotherapy in AR, symptom scores have not been extensively validated, and we did not find any publications describing the validation of a medication score. Disease control scales (mainly the Rhinitis Control Assessment Test, the Control of Allergic Rhinitis and Asthma Test, and the Allergic Rhinitis Control Test) and health-related quality-of-life scales (mainly the Rhinoconjunctivitis Quality of Life Questionnaire [RQLQ] and the mini-RQLQ) have been extensively validated in AR but have some practical disadvantages as primary efficacy criteria in clinical trials.
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Affiliation(s)
- Moises A Calderón
- National Heart & Lung Institute, Imperial College London, Royal Brompton Hospital NHS, London, United Kingdom
| | - Thomas B Casale
- Division of Allergy and Immunology, University of South Florida, Tampa, Fla
| | - Pascal Demoly
- Division of Allergy, Department of Pulmonology, Hôpital Arnaud de Villeneuve, University Hospital of Montpellier, Montpellier, France; Sorbonne Universités, UMR-S 1136, IPLESP, Equipe EPAR, Paris, France.
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The Allergic Rhinitis Control Test Questionnaire Is Valuable in Guiding Step-Down Pharmacotherapy Treatment of Allergic Rhinitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:272-278. [DOI: 10.1016/j.jaip.2018.05.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/24/2018] [Accepted: 05/26/2018] [Indexed: 12/23/2022]
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10
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Cheng L, Chen J, Fu Q, He S, Li H, Liu Z, Tan G, Tao Z, Wang D, Wen W, Xu R, Xu Y, Yang Q, Zhang C, Zhang G, Zhang R, Zhang Y, Zhou B, Zhu D, Chen L, Cui X, Deng Y, Guo Z, Huang Z, Huang Z, Li H, Li J, Li W, Li Y, Xi L, Lou H, Lu M, Ouyang Y, Shi W, Tao X, Tian H, Wang C, Wang M, Wang N, Wang X, Xie H, Yu S, Zhao R, Zheng M, Zhou H, Zhu L, Zhang L. Chinese Society of Allergy Guidelines for Diagnosis and Treatment of Allergic Rhinitis. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2018; 10:300-353. [PMID: 29949830 PMCID: PMC6021586 DOI: 10.4168/aair.2018.10.4.300] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 09/17/2017] [Accepted: 10/05/2017] [Indexed: 11/20/2022]
Abstract
Allergic rhinitis (AR) is a global health problem that causes major illnesses and disabilities worldwide. Epidemiologic studies have demonstrated that the prevalence of AR has increased progressively over the last few decades in more developed countries and currently affects up to 40% of the population worldwide. Likewise, a rising trend of AR has also been observed over the last 2-3 decades in developing countries including China, with the prevalence of AR varying widely in these countries. A survey of self-reported AR over a 6-year period in the general Chinese adult population reported that the standardized prevalence of adult AR increased from 11.1% in 2005 to 17.6% in 2011. An increasing number of Journal Articles and imporclinical trials on the epidemiology, pathophysiologic mechanisms, diagnosis, management and comorbidities of AR in Chinese subjects have been published in international peer-reviewed journals over the past 2 decades, and substantially added to our understanding of this disease as a global problem. Although guidelines for the diagnosis and treatment of AR in Chinese subjects have also been published, they have not been translated into English and therefore not generally accessible for reference to non-Chinese speaking international medical communities. Moreover, methods for the diagnosis and treatment of AR in China have not been standardized entirely and some patients are still treated according to regional preferences. Thus, the present guidelines have been developed by the Chinese Society of Allergy to be accessible to both national and international medical communities involved in the management of AR patients. These guidelines have been prepared in line with existing international guidelines to provide evidence-based recommendations for the diagnosis and management of AR in China.
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Affiliation(s)
- Lei Cheng
- Department of Otorhinolaryngology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
- International Centre for Allergy Research, Nanjing Medical University, Nanjing, China
| | - Jianjun Chen
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingling Fu
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shaoheng He
- Allergy and Clinical Immunology Research Centre, the First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Huabin Li
- Department of Otolaryngology Head Neck Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Zheng Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guolin Tan
- Department of Otolaryngology Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Zezhang Tao
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital, Wuhan University, Wuhan, China
| | - Dehui Wang
- Department of Otolaryngology Head Neck Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Weiping Wen
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Rui Xu
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yu Xu
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital, Wuhan University, Wuhan, China
| | - Qintai Yang
- Department of Otolaryngology Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chonghua Zhang
- Department of Otolaryngology Head Neck Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Gehua Zhang
- Department of Otolaryngology Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ruxin Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital, Fudan University, Shanghai, China
| | - Yuan Zhang
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
- Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Bing Zhou
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Dongdong Zhu
- Department of Otorhinolaryngology Head and Neck Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Luquan Chen
- Department of Traditional Chinese Medicine, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Xinyan Cui
- Department of Otorhinolaryngology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Yuqin Deng
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital, Wuhan University, Wuhan, China
| | - Zhiqiang Guo
- Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital, Fudan University, Shanghai, China
| | - Zhenxiao Huang
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Zizhen Huang
- Department of Otolaryngology Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Houyong Li
- Department of Otolaryngology Head Neck Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Jingyun Li
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Wenting Li
- Department of Otolaryngology Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yanqing Li
- Department of Otolaryngology Head Neck Surgery, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Lin Xi
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Hongfei Lou
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Meiping Lu
- Department of Otorhinolaryngology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Yuhui Ouyang
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Wendan Shi
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital, Wuhan University, Wuhan, China
| | - Xiaoyao Tao
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Huiqin Tian
- Department of Otorhinolaryngology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Chengshuo Wang
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Min Wang
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Nan Wang
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangdong Wang
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
- Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Hui Xie
- Department of Otorhinolaryngology, Affiliated Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shaoqing Yu
- Department of Otolaryngology Head and Neck Surgery, Tongji Hospital, Tongji University, Shanghai, China
| | - Renwu Zhao
- Department of Otorhinolaryngology Head and Neck Surgery, Huadong Hospital, Fudan University, Shanghai, China
| | - Ming Zheng
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China
| | - Han Zhou
- Department of Otorhinolaryngology, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Luping Zhu
- Department of Otorhinolaryngology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Luo Zhang
- Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
- Department of Allergy, Beijing TongRen Hospital, Capital Medical University, Beijing, China
- Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China.
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Wang Y, Chen H, Zhu R, Liu G, Huang N, Li W, Yang L, Zhang S, Qi S, Daurès JP, Chiriac AM, Demoly P. Allergic Rhinitis Control Test questionnaire-driven stepwise strategy to improve allergic rhinitis control: a prospective study. Allergy 2016; 71:1612-1619. [PMID: 27332957 DOI: 10.1111/all.12963] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2016] [Indexed: 01/07/2023]
Abstract
BACKGROUND Allergic Rhinitis Control Test (ARCT) has been validated for assessing allergic rhinitis (AR) control and identifying severe AR. The aim of the study was to assess the ARCT questionnaire as a tool for stepwise pharmacotherapy. METHODS A standard pharmacotherapy regimen from Step 1 (oral second-generation H1 antihistamine as needed) to Step 5 (oral corticosteroid) was carried out prospectively in a Chinese AR population. The AR patients were initiated with Allergic Rhinitis and its Impact on Asthma (ARIA) appropriate step treatment and assessed with ARCT every 15 days. If ARCT score was equal or above 20 (controlled AR) and maintained for 15 days, the patient would finish the study; if ARCT score was strictly <20 (uncontrolled AR), the patient would receive higher step treatment according to a predefined open design up to Step 5. The different AR control subgroups were compared. RESULTS A total of 255 patients were enrolled in the study; 5 patients dropped out and 2 (0.8%) were controlled at day 0, 85 (34.0%) at day 15, 177 (70.8%) at day 30, 222 (88.8%) at day 45, 241 (96.4%) at day 60 and 242 (96.8%) at day 75. Only 8 (3.2%) patients remained uncontrolled at the endpoint of the study. Patients with ARIA moderate/severe or persistent symptoms, moderate/severe impaired quality of life, asthma history, rhinorrhea and cough symptoms always needed up to Step 4 (nasal corticosteroid plus antihistamine) and prolonged treatments to achieve disease control. CONCLUSIONS The majority of AR can be controlled with standard stepwise treatment. ARCT offers an objective criterion for the stepwise pharmacotherapy of AR.
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Affiliation(s)
- Y. Wang
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
- Allergy Division; Pulmonology Department; Hôpital Arnaud de Villeneuve; University Hospital of Montpellier; Montpellier Cedex 5 France
- Laboratory of Biostatistics, Epidemiology and Public Health (EA2415); University of Montpellier; Montpellier Cedex 5 France
| | - H. Chen
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - R. Zhu
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - G. Liu
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - N. Huang
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - W. Li
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - L. Yang
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - S. Zhang
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - S. Qi
- Department of Allergy; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - J.-P. Daurès
- Laboratory of Biostatistics, Epidemiology and Public Health (EA2415); University of Montpellier; Montpellier Cedex 5 France
| | - A. M. Chiriac
- Allergy Division; Pulmonology Department; Hôpital Arnaud de Villeneuve; University Hospital of Montpellier; Montpellier Cedex 5 France
- UPMC Paris 06; UMR-S 1136 INSERM; IPLESP; Equipe EPAR; Sorbonne Universités; Paris France
| | - P. Demoly
- Allergy Division; Pulmonology Department; Hôpital Arnaud de Villeneuve; University Hospital of Montpellier; Montpellier Cedex 5 France
- UPMC Paris 06; UMR-S 1136 INSERM; IPLESP; Equipe EPAR; Sorbonne Universités; Paris France
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12
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Carr TF. Editorial: Innovative steps toward understanding sinonasal disease, improving diagnostics and optimizing patient care. Am J Rhinol Allergy 2015; 28:359-60. [PMID: 25198018 DOI: 10.2500/ajra.2014.28.4108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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