Allergic rhinitis is a symptomatic disorder of the nose induced after allergen exposure by an IgE-mediated inflammation of the membranes lining the nose. It is a global health problem that causes major illness and disability worldwide. Over 600 million patients from all countries, all ethnic groups and of all ages suffer from allergic rhinitis. It affects social life, sleep, school and work and its economic impact is substantial. Risk factors for allergic rhinitis are well identified. Indoor and outdoor allergens as well as occupational agents cause rhinitis and other allergic diseases. The role of indoor and outdoor pollution is probably very important, but has yet to be fully understood both for the occurrence of the disease and its manifestations.

In 1999, during the Allergic Rhinitis and its Impact on Asthma (ARIA) WHO workshop, the expert panel proposed a new classification for allergic rhinitis which was subdivided into 'intermittent' or 'persistent' disease.

This classification is now validated. The diagnosis of allergic rhinitis is often quite easy, but in some cases it may cause problems and many patients are still under-diagnosed, often because they do not perceive the symptoms of rhinitis as a disease impairing their social life, school and work.

The management of allergic rhinitis is well established and the ARIA expert panel based its recommendations on evidence using an extensive review of the literature available up to December 1999. The statements of evidence for the development of these guidelines followed WHO rules and were based on those of Shekelle et al. A large number of papers have been published since 2000 and are extensively reviewed in the 2008 Update using the same evidence-based system. Recommendations for the management of allergic rhinitis are similar in both the ARIA workshop report and the 2008 Update. In the future, the GRADE approach will be used, but is not yet available.

Another important aspect of the ARIA guidelines was to consider co-morbidities. Both allergic rhinitis and asthma are systemic inflammatory conditions and often co-exist in the same patients. In the 2008 Update, these links have been confirmed.

The ARIA document is not intended to be a standard-of-care document for individual countries. It is provided as a basis for physicians, health care professionals and organizations involved in the treatment of allergic rhinitis and asthma in various countries to facilitate the development of relevant local standard-of-care documents for patients.

/pdf/allergic-rhinitis-and-its-impact-on-asthma-aria-2008-update-13eqfzaw4u.pdf

Allergic rhinitis and its impact on asthma (ARIA) 2008 update (in collaboration with the World Health Organization, GA(2)LEN and AllerGen)

J. Bousquet, N. Khaltaev, A. A. Cruz, J. Denburg, W. J. Fokkens, A. Togias, T. Zuberbier, C. E. Baena-Cagnani, G. W. Canonica, C. van Weel, I. Agache, N. A t-Khaled, C. Bachert, M. S. Blaiss, S. Bonini, L.-P. Boulet, P.-J. Bousquet, P. Camargos, K.-H. Carlsen, Y. Chen, A. Custovic, R. Dahl, P. Demoly, H. Douagui, S. R. Durham, R. Gerth van Wijk, O. Kalayci, M. A. Kaliner, Y.-Y. Kim, M. L. Kowalski, P. Kuna, L. T. T. Le, C. Lemiere, J. Li, R. F. Lockey, S. Mavale-Manuel , E. O. Meltzer, Y. Mohammad, J. Mullol, R. Naclerio, R. E. O Hehir, K. Ohta, S. Ouedraogo, S. Palkonen, N. Papadopoulos, G. Passalacqua, R. Pawankar, T. A. Popov, K. F. Rabe, J. Rosado-Pinto, G. K. Scadding, F. E. R. Simons, E. Toskala, E. Valovirta, P. van Cauwenberge, D.-Y. Wang, M. Wickman, B. P. Yawn, A. Yorgancioglu, O. M. Yusuf, H. Zar Review Group: I. Annesi-Maesano, E. D. Bateman, A. Ben Kheder, D. A. Boakye, J. Bouchard, P. Burney, W. W. Busse, M. Chan-Yeung, N. H. Chavannes, A. Chuchalin, W. K. Dolen, R. Emuzyte, L. Grouse, M. Humbert, C. Jackson, S. L. Johnston, P. K. Keith, J. P. Kemp, J.-M. Klossek, D. Larenas-Linnemann, B. Lipworth, J.-L. Malo, G. D. Marshall, C. Naspitz, K. Nekam, B. Niggemann, E. Nizankowska-Mogilnicka, Y. Okamoto, M. P. Orru, P. Potter, D. Price, S. W. Stoloff, O. Vandenplas, G. Viegi, D. Williams

World Health Organization; GA(2)LEN; AllerGen. Allergic Rhinitis and its Impact on Asthma (ARIA) 2008 update (in collaboration with the World Health Organization, GA(2)LEN and AllerGen)

Background: Allergic rhinitis represents a global health problem affecting 10% to 20% of the population. The Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines have been widely used to treat the approximately 500 million affected patients globally. Objective: To develop explicit, unambiguous, and transparent clinical recommendations systematically for treatment of allergic rhinitis on the basis of current best evidence. Methods: The authors updated ARIA clinical recommendations in collaboration with Global Allergy and Asthma European Network following the approach suggested by the Grading of Recommendations Assessment, Development and Evaluation working group. Results: This article presents recommendations about the prevention of allergic diseases, the use of oral and topical medications, allergen specific immunotherapy, and complementary treatments in patients with allergic rhinitis as well as patients with both allergic rhinitis and asthma. The guideline panel developed evidence profiles for each recommendation and considered health benefits and harms, burden, patient preferences, and resource use, when appropriate, to formulate recommendations for patients, clinicians, and other health care professionals. Conclusion: These are the most recent and currently the most systematically and transparently developed recommendations about the treatment of allergic rhinitis in adults and children. Patients, clinicians, and policy makers are encouraged to use these recommendations in their daily practice and to support their decisions.

/pdf/allergic-rhinitis-and-its-impact-on-asthma-aria-guidelines-3pawic20n9.pdf

Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines: 2010 Revision

Skin prick testing is an essential test procedure to confirm sensitization in IgE-mediated allergic disease in subjects with rhinoconjunctivitis, asthma, urticaria, anapylaxis, atopic eczema and food and drug allergy. This manuscript reviews the available evidence including Medline and Embase searches, abstracts of international allergy meetings and position papers from the world allergy literature. The recommended method of prick testing includes the appropriate use of specific allergen extracts, positive and negative controls, interpretation of the tests after 15 – 20 minutes of application, with a positive result defined as a wheal ≥3 mm diameter. A standard prick test panel for Europe for inhalants is proposed and includes hazel (Corylus avellana), alder (Alnus incana), birch (Betula alba), plane (Platanus vulgaris), cypress (Cupressus sempervirens), grass mix (Poa pratensis, Dactilis glomerata, Lolium perenne, Phleum pratense, Festuca pratensis, Helictotrichon pretense), Olive (Olea europaea), mugwort (Artemisia vulgaris), ragweed (Ambrosia artemisiifolia), Alternaria alternata (tenuis), Cladosporium herbarum, Aspergillus fumigatus, Parietaria, cat, dog, Dermatophagoides pteronyssinus, Dermatophagoides farinae, and cockroach (Blatella germanica). Standardization of the skin test procedures and standard panels for different geographic locations are encouraged worldwide to permit better comparisons for diagnostic, clinical and research purposes.

/pdf/the-skin-prick-test-european-standards-32tpghd1tx.pdf

The skin prick test – European standards

I. Leonard Bernstein, MD; James T. Li, MD, PhD; David I. Bernstein, MD; Robert Hamilton, PhD, DABMLI; Sheldon L. Spector, MD; Ricardo Tan, MD; Scott Sicherer, MD; David B. K. Golden, MD; David A. Khan, MD; Richard A. Nicklas, MD; Jay M. Portnoy, MD; Joann Blessing-Moore, MD; Linda Cox, MD; David M. Lang, MD; John Oppenheimer, MD; Christopher C. Randolph, MD; Diane E. Schuller, MD; Stephen A. Tilles, MD; Dana V. Wallace, MD; Estelle Levetin, PhD; and Richard Weber, MD

/pdf/allergy-diagnostic-testing-an-updated-practice-parameter-21api4satq.pdf

Allergy diagnostic testing: An updated practice parameter

Background: Currently, the diagnosis of IgE-mediated allergy is based on allergen-specific history and diagnostic procedures using natural allergen extracts for in vivo and in vitro tests.



Objective:  The aim of the study was to comparatively analyse a new component-based allergen-microarray and the ‘quasi-standard’ ImmunoCAP® for their clinical relevance in patients with allergic rhinoconjunctivitis to five aeroallergens [house dust mite (HDM), cat dander, birch, grass and mugwort pollen] in a prospective, double-centre study.



Methods:  We enrolled 120 subjects at the two study centres. Allergic patients were defined as having an allergen-specific history plus a concomitant positive skin-prick test (SPT) to natural allergen extracts and specific serum IgE was measured by both methods. Each allergen was analysed separately.



Results:  The microarray performed equally well in receiver-operating characteristic curve (ROC) analyses when compared with the CAP in cat (23 allergic vs 97 non-allergic, ROC area under the curve microarray 0.950 vs CAP 0.894, P = 0.211), birch (31/89, 0.908 vs 0.878, P = 0.483) and grass pollen (47/73, 0.923 vs 0.915, P = 0.770). It was slightly less sensitive in HDM-allergic subjects (26 allergic vs 94 non-allergic, ROC area microarray 0.808 vs CAP 0.911, P = 0.053) and displayed a reduced sensitivity in the mugwort pollen-allergic patients (17/103, 0.723 vs 0.879, P = 0.032).



Conclusions:  Component-based testing and the whole-allergen CAP are equally relevant in the diagnosis of grass-, birch- and cat-allergic patients. Although slightly less sensitive, the microarray is sufficient for the diagnosis of HDM-allergic patients, but needs alternative and/or additional components for detecting mugwort allergy.

The performance of a component-based allergen-microarray in clinical practice.

The Performance of a New Component-Based Allergen-Microarray in Clinical Practice

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The performance of a component-based allergen-microarray in clinical practice.

The Performance of a New Component-Based Allergen-Microarray in Clinical Practice