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Can Altunbulakli, Rita Costa, Feng Lan, Nan Zhang, Mubeccel Akdis, Claus Bachert, Cezmi A Akdis
Staphylococcus aureus infection increases the expression of the tight junctions (TJs) in healthy nasal tissue; while nasal polyps show decreased TJ expression at baseline and are unable to upregulate TJs to strengthen the epithelial barrier.
March 5, 2018: Journal of Allergy and Clinical Immunology
Paraskevi Xepapadaki, Claus Bachert, Susetta Finotto, Tuomas Jartti, George N Konstantinou, Alexander Kiefer, Marek Kowalski, Anna Lewandowska-Polak, Heikki Lukkarinen, Eirini Roumpedaki, Anna Sobanska, Ina Sintobin, Tytti Vuorinen, Nan Zhang, Theodor Zimmermann, Nikolaos G Papadopoulos
BACKGROUND: The PreDicta cohort was designed to prospectively evaluate wheeze/asthma persistence in preschoolers in association to viral/microbial exposures and immunological responses. We present the cohort design, demographic/disease characteristics and evaluate unsupervised and predefined phenotypic subgroups at inclusion. METHODS: PreDicta is a 2-year prospective study conducted in five European regions, including children 4-6 years with a diagnosis of asthma as cases and healthy age-matched controls...
March 7, 2018: Pediatric Allergy and Immunology
Ralph Mösges, Claus Bachert, Petr Panzner, Moises A Calderon, Ludo Haazen, Sabine Pirotton, Nathalie Wathelet, Stephen R Durham, Marie-Alix Bonny, Thierry Legon, Remy von Frenckell, Oliver Pfaar, Mohamed H Shamji
BACKGROUND: Immunotherapy with peptide hydrolysates from Lolium perenne (LPP) is an alternative treatment for seasonal allergic rhinitis with or without asthma. The aim of this study was to assess the clinical efficacy and safety of a cumulative dose of 170 μg LPP administered subcutaneously over 3 weeks. METHODS: In a randomized, double blind, placebo-controlled trial, 554 adults with grass pollen rhinoconjunctivitis were randomized (1:2 ratio) to receive 8 subcutaneous injections of placebo or 170 μg LPP administered in increasing doses in 4 visits over 3 weeks...
March 7, 2018: Allergy
S F Seys, J Bousquet, C Bachert, W J Fokkens, I Agache, M Bernal-Sprekelsen, I Callebaut, L O Cardel, S Carrie, P Castelnuovo, R Cathcart, J Constantinidis, L Cools, M Cornet, G Clement, J C de Sousa, T Cox, M Doulaptsi, P Gevaert, C Hopkins, V Hox, T Hummel, W Hosemann, R Jacobs, M Jorissen, B N Landis, A Leunig, V J Lund, J Mullol, M Onerci, S Palkonen, I Proano, E Prokopakis, D Ryan, H Riechelmann, J Saevels, C Segboer, K Speleman, E A Steinsvik, P Surda, P V Tomazic, O Vanderveken, L Van Gerven, T Van Zele, B Verhaeghe, K Vierstraete, S Vlaminck, J Wilkinson, S Williams, B Pugin, P W Hellings
Mobile health technology is emerging to take a prominent position in the management of chronic diseases. These technologies aim at enhancing patient empowerment via education and self-management. To date, of all the different apps available for patients with sinus disease, none were developed by medical experts dealing with chronic rhinosinusitis (CRS). The European Forum for Research and Education in Allergy and Airway diseases (EUFOREA) has undertaken a multi-stakeholder approach for designing, developing and implementing a tool to support CRS patients in monitoring their symptoms and to provide patients with a digital support platform containing reliable medical information about their disease and treatment options...
February 21, 2018: Rhinology
T Van Zele, B Pauwels, F Dewaele, P Gevaert, C Bachert
BACKGROUND: Chronic sphenoid sinusitis refractory to both medical therapy and sphenoidotomy requires a more extended intervention based on the principles of salvage surgery. Our aim is to describe the sphenoid drill out technique as a sphenoid salvage intervention and to outline its implications on clinical outcome and quality of life. METHODOLOGY: 12 patients with chronic sphenoiditis undergoing a sphenoid drill out procedure were examined by nasal endoscopy preoperatively and postoperatively for one year...
February 15, 2018: Rhinology
Sarah K Wise, Sandra Y Lin, Elina Toskala, Richard R Orlandi, Cezmi A Akdis, Jeremiah A Alt, Antoine Azar, Fuad M Baroody, Claus Bachert, G Walter Canonica, Thomas Chacko, Cemal Cingi, Giorgio Ciprandi, Jacquelynne Corey, Linda S Cox, Peter Socrates Creticos, Adnan Custovic, Cecelia Damask, Adam DeConde, John M DelGaudio, Charles S Ebert, Jean Anderson Eloy, Carrie E Flanagan, Wytske J Fokkens, Christine Franzese, Jan Gosepath, Ashleigh Halderman, Robert G Hamilton, Hans Jürgen Hoffman, Jens M Hohlfeld, Steven M Houser, Peter H Hwang, Cristoforo Incorvaia, Deborah Jarvis, Ayesha N Khalid, Maritta Kilpeläinen, Todd T Kingdom, Helene Krouse, Desiree Larenas-Linnemann, Adrienne M Laury, Stella E Lee, Joshua M Levy, Amber U Luong, Bradley F Marple, Edward D McCoul, K Christopher McMains, Erik Melén, James W Mims, Gianna Moscato, Joaquim Mullol, Harold S Nelson, Monica Patadia, Ruby Pawankar, Oliver Pfaar, Michael P Platt, William Reisacher, Carmen Rondón, Luke Rudmik, Matthew Ryan, Joaquin Sastre, Rodney J Schlosser, Russell A Settipane, Hemant P Sharma, Aziz Sheikh, Timothy L Smith, Pongsakorn Tantilipikorn, Jody R Tversky, Maria C Veling, De Yun Wang, Marit Westman, Magnus Wickman, Mark Zacharek
BACKGROUND: Critical examination of the quality and validity of available allergic rhinitis (AR) literature is necessary to improve understanding and to appropriately translate this knowledge to clinical care of the AR patient. To evaluate the existing AR literature, international multidisciplinary experts with an interest in AR have produced the International Consensus statement on Allergy and Rhinology: Allergic Rhinitis (ICAR:AR). METHODS: Using previously described methodology, specific topics were developed relating to AR...
February 2018: International Forum of Allergy & Rhinology
Tanja Platt, Reiner Umathum, Thomas M Fiedler, Armin M Nagel, Andreas K Bitz, Florian Maier, Peter Bachert, Mark E Ladd, Mark O Wielpütz, Hans-Ulrich Kauczor, Nicolas G R Behl
PURPOSE: This work faces three challenges of sodium (23 Na) torso MRI on the way to quantitative 23 Na MRI: Development of a 23 Na radiofrequency transmit and receive coil covering a large part of the human body in width and length for 23 Na MRI at 7 T; reduction of blurring due to respiration in free-breathing 23 Na MRI using a self-gating approach; and reduction of image noise using a compressed-sensing reconstruction. METHODS: An oval-shaped birdcage resonator with a large field of view of (400 mm)3 and a homogeneous transmit and receive field distribution was designed, simulated, and implemented on a 7T MR system...
February 9, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
A Muraro, G Roberts, S Halken, A Agache, L Angier, M Fernandez-Rivas, R Gerth van Wijk, M Jutel, S Lau, G Pajno, O Pfaar, D Ryan, G J Sturm, R van Ree, E-M Varga, C Bachert, M Calderon, G W Canonica, S R Durham, H J Malling, U Wahn, A Sheikh
The allergist's community has recently celebrated 100 year of Allergen Immunotherapy (AIT). Unfortunately the implemention of this treatment is still impaired by some challenges. With the diversity of definitions, methodology and different allergen products used, research studies have produced conflicting outcomes. This has resulted in confusion about the benefits and risks of AIT amongst policymakers and professionals, as well as in the variable availability of AIT products, regulation and reimbursement policies globally...
January 30, 2018: Allergy
Lotta Tengroth, Julia Arebro, Olivia Larsson, Claus Bachert, Susanna Kumlien Georén, Lars-Olaf Cardell
Chronic rhinosinusitis with nasal polyps (CRSwNP) is a widespread disease causing obstruction of the nasal cavity. Its cause remains unclear. The transforming growth-factor beta (TGF-β) superfamily and their receptors, termed Activin receptor-like kinases (ALKs), have recently been suggested to play a role in local airway inflammation, but have so far not been evaluated in human nasal epithelial cells (HNECs) from CRSwNP patients. We demonstrated that ALK1-7 were expressed in the nasal polyp epithelium, and the expression of ALK1-6 was markedly elevated in polyps compared to nasal mucosa from healthy controls...
January 24, 2018: Scientific Reports
Jonathan M Lommen, Sebastian Flassbeck, Nicolas G R Behl, Sebastian Niesporek, Peter Bachert, Mark E Ladd, Armin M Nagel
PURPOSE: To investigate and to reduce influences on the determination of the short and long apparent transverse relaxation times ( T2,s*, T2,l*) of 23 Na in vivo with respect to signal sampling. METHODS: The accuracy of T2* determination was analyzed in simulations for five different sampling schemes. The influence of noise in the parameter fit was investigated for three different models. A dedicated sampling scheme was developed for brain parenchyma by numerically optimizing the parameter estimation...
January 17, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
Vanessa Garcia-Larsen, Narjis Thawer, David Charles, Aedin Cassidy, Thibaut van Zele, Trine Thilsing, Matti Ahlström, Tari Haahtela, Thomas Keil, Paolo M Matricardi, Grzegorz Brożek, Marek L Kowalski, Joanna Makowska, Ewa Niżankowska-Mogilnicka, Barbara Rymarczyk, Carlos Loureiro, Ana Todo Bom, Claus Bachert, Bertil Forsberg, Christer Janson, Kjell Torén, James F Potts, Peter Gj Burney
BACKGROUND: Flavonoids exert anti-inflammatory properties and modulate oxidative stress in vitro, suggesting a protective effect on lung function, but epidemiological studies examining this association are scarce. METHODS: A stratified random sample was drawn from the GA²LEN screening survey, in which 55,000 adults aged 15 to 75 answered a questionnaire on respiratory symptoms. Post-bronchodilator spirometry was obtained from 2850 subjects. Forced vital capacity (FVC), the ratio between the forced exhaled volume in 1 second (FEV₁) and FVC (FEV₁/FVC), FVC below lower limit of normal (FVC < LLN), and FEV₁/FVC < LLN were calculated...
January 15, 2018: Nutrients
J Bousquet, S Arnavielhe, A Bedbrook, G Alexis-Alexandre, M van Eerd, R Murray, G W Canonica, M Illario, E Menditto, G Passalacqua, C Stellato, M Triggiani, P Carreiro-Martins, J Fonseca, M Morais Almeida, L Nogueira-Silva, A M Pereira, A Todo Bom, I Bosse, D Caimmi, P Demoly, P Devillier, J F Fontaine, J Just, G L Onorato, M L Kowalski, P Kuna, B Samolinski, J M Anto, J Mullol, A Valero, P V Tomazic, K C Bergmann, T Keil, L Klimek, R Mösgues, S Shamai, T Zuberbier, E Murphy, Peter McDowall, D Price, D Ryan, A Sheikh, N H Chavannes, W J Fokkens, V Kvedariene, A Valiulis, C Bachert, P W Hellings, I Kull, E Melén, M Wickman, C Bindslev-Jensen, E Eller, T Haahtela, E Valovirta, N G Papadopoulos, I Annesi-Maesano, M Bewick, S Bosnic-Anticevich, A A Cruz, G De Vries, B Gemicioglu, D Larenas-Linnemann, D Laune, E Mathieu-Dupas, R E O'Hehir, F Portejoie, V Siroux, O Spranger, O VandenPlas, A Yorgancioglu
BACKGROUND: Large observational implementation studies are needed to triangulate the findings from randomized control trials (RCTs) as they reflect "real world" everyday practice. In a pilot study, we attempted to provide additional and complementary insights on the real life treatment of allergic rhinitis using mobile technology. METHODS: A mobile phone app (Allergy Diary, freely available Google Play and Apple App stores) collects the data of daily visual analogue scales (VAS) for (i) overall allergic symptoms, (ii) nasal, ocular and asthma symptoms, (iii) work, as well as (iv) medication use using a treatment scroll list including all medications (prescribed and over the counter (OTC)) for rhinitis customized for 15 countries...
January 15, 2018: Allergy
S Altrichter, T Hawro, M Liedtke, G Holtappels, C Bachert, P S Skov, M Maurer
BACKGROUND: Chronic spontaneous urticaria (CSU) is a frequent disorder with recurrent itchy wheals and/or angioedema. Despite the known effectiveness of omalizumab therapy, the relevant IgE antigens are largely unknown. Recently, increased rates of elevated levels of IgE towards Staphylococcus aureus enterotoxins (SEs) were described in CSU. AIM: To assess the prevalence and functional relevance of IgE to SEs in CSU. METHOD: We investigated serum levels of IgE against SEs in 49 CSU patients and in 15 CSU patients additional specific IgE to SE components and basophil histamine release (BHR)...
January 9, 2018: Allergy
C Bachert, G Holtappels, M Merabishvili, T Meyer, A Murr, N Zhang, K Van Crombruggen, E Gevaert, U Völker, B M Bröker, M Vaneechoutte, F Schmidt
Staphylococcus aureus is a frequent colonizer of the upper airways in chronic rhinosinusitis with nasal polyps, but also resides intramucosally; it has been shown that secreted staphylococcal proteins such as enterotoxins and serine proteases induce the release of cytokines such as IL-5. We have analyzed nasal polyp tissue freshly obtained during routine surgery, which did or did not contain cultivatable S. aureus, to study spontaneous IL-5 production by nasal polyp tissue over 24 and 72h in tissue culture...
December 13, 2017: Journal of Proteomics
W J Fokkens, C Bachert, M Bernal-Sprekelsen, J Bousquet, M Djandji, A Dorenbaum, D Hakimi-Mehr, S Hendry, C Hopkins, A Leunig, L Mannent, D Mucha, M Onerci, B Pugin, S Toppila-Salmi, P Rowe, S F Seys, S Stimson, A Strzembosz, P W Hellings
The first Rhinology Future Debates was held in Brussels in December 2016, organized by EUFOREA (European Forum for Research and Education in Allergy and Airways diseases). The purpose of these debates is to bring novel developments in the field of Rhinology to the attention of the medical, paramedical and patient community, in a highly credible and balanced context. For the first time in Rhinology, a peer to peer scientific exchange with key experts in the field of rhinology and key medical colleagues from leading industries let to a brainstorming and discussion event on a number of hot issues in Rhinology...
December 1, 2017: Rhinology
Lien Calus, Lara Derycke, Melissa Dullaers, Thibaut Van Zele, Natalie De Ruyck, Claudina Pérez-Novo, Gabriele Holtappels, Geert De Vos, Bart N Lambrecht, Claus Bachert, Philippe Gevaert
BACKGROUND: Chronic rhinosinusitis with nasal polyposis (CRSwNP) is an inflammatory disease associated with lymphoid aggregates and local IgE production related to Staphylococcus aureus enterotoxins. T-follicular helper cells and their effector cytokine interleukin (IL)-21 play an important role in germinal center proliferation. METHODS: IL-21 was determined on the mRNA level by qPCR in nasal tissue of 3 groups of patients: control (n = 17), chronic rhinosinusitis without nasal polyposis (CRSsNP; n = 23), and CRSwNP (n = 35)...
November 9, 2017: International Archives of Allergy and Immunology
Brandon J Bachert, Ripple S Patel
No abstract text is available yet for this article.
December 2017: Ultrasound Quarterly
Jia Song, Hai Wang, Ya-Na Zhang, Ping-Ping Cao, Bo Liao, Zhe-Zheng Wang, Li-Li Shi, Yin Yao, Guan-Ting Zhai, Zhi-Chao Wang, Li-Meng Liu, Ming Zeng, Xiang Lu, Heng Wang, Xiang-Ping Yang, Di Yu, Claus Bachert, Zheng Liu
BACKGROUND: The contribution of ectopic lymphoid tissues (eLTs) to local immunoglobulin hyperproduction in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) is unclear. OBJECTIVE: We sought to explore the cellular basis, formation mechanisms, and function of eLTs in patients with CRSwNP. METHODS: We graded lymphoid aggregations in sinonasal mucosa and histologically studied their structures. The expression of lymphorganogenic factors and molecules required for immunoglobulin production was measured by using real-time PCR, and their localization was analyzed by means of immunohistochemistry and immunofluorescence...
March 2018: Journal of Allergy and Clinical Immunology
J Bousquet, G L Onorato, C Bachert, M Barbolini, A Bedbrook, L Bjermer, J Correia de Sousa, N H Chavannes, A A Cruz, E De Manuel Keenoy, P Devillier, J Fonseca, S Hun, T Kostka, P W Hellings, M Illario, J C Ivancevich, D Larenas-Linnemann, J Millot-Keurinck, D Ryan, B Samolinski, A Sheikh, A Yorgancioglu, I Agache, S Arnavielhe, M Bewick, I Annesi-Maesano, J M Anto, K C Bergmann, C Bindslev-Jensen, S Bosnic-Anticevich, J Bouchard, D P Caimmi, P Camargos, G W Canonica, V Cardona, A M Carriazo, C Cingi, E Colgan, A Custovic, R Dahl, P Demoly, G De Vries, W J Fokkens, J F Fontaine, B Gemicioğlu, N Guldemond, Z Gutter, T Haahtela, B Hellqvist-Dahl, E Jares, G Joos, J Just, N Khaltaev, T Keil, L Klimek, M L Kowalski, I Kull, P Kuna, V Kvedariene, D Laune, R Louis, A Magnan, J Malva, E Mathieu-Dupas, E Melén, E Menditto, M Morais-Almeida, R Mösges, J Mullol, R Murray, H Neffen, R O'Hehir, S Palkonen, N G Papadopoulos, G Passalacqua, J L Pépin, F Portejoie, D Price, B Pugin, F Raciborski, F E R Simons, M Sova, O Spranger, C Stellato, A Todo Bom, P V Tomazic, M Triggiani, A Valero, E Valovirta, O VandenPlas, A Valiulis, M van Eerd, M T Ventura, M Wickman, I Young, T Zuberbier, A Zurkuhlen, A Senn
A Good Practice is a practice that works well, produces good results, and is recommended as a model. MACVIA-ARIA Sentinel Network (MASK), the new Allergic Rhinitis and its Impact on Asthma (ARIA) initiative, is an example of a Good Practice focusing on the implementation of multi-sectoral care pathways using emerging technologies with real life data in rhinitis and asthma multi-morbidity. The European Union Joint Action on Chronic Diseases and Promoting Healthy Ageing across the Life Cycle (JA-CHRODIS) has developed a checklist of 28 items for the evaluation of Good Practices...
2017: Clinical and Translational Allergy
Juan Carlos Ivancevich, Hugo Neffen, Mario E Zernotti, Estrella Asayag, Ariel Blua, Alberto Cicerán, Edgardo J Jares, Alberto J Lavrut, Jorge F Máspero, Ioana Agache, Claus Bachert, Anna Bedbrook, Giorgio W Canonica, Thomas B Casale, Álvaro A Cruz, Wytske J Fokkens, Peter W Hellings, Boleslaw Samolinski, Jean Bousquet
The ARIA initiative was started during a World Health Organization workshop in 1999. The initial goals were to propose a new classification for allergic rhinitis, to promote the concept of multi-morbidity in asthma and rhinitis and to develop guidelines with stakeholders for world-wide use. ARIA is now focused on the implementation of emerging technologies for individualized and predictive medicine. MASK: MACVIA-Aria Sentinel Network uses mobile technology to develop care pathways that enable management by a multidisciplinary group or by patients themselves...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
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