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Sökning: L773:2213 2201

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  • Andorf, Sandra, et al. (författare)
  • Association of Clinical Reactivity with Sensitization to Allergen Components in Multifood-Allergic Children
  • 2017
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier. - 2213-2198 .- 2213-2201. ; 5:5, s. 1325-1334.e4
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Thirty percent of children with food allergies have multiple simultaneous allergies; however, the features of these multiple allergies are not well characterized serologically or clinically. OBJECTIVE: We comprehensively evaluated 60 multifood-allergic patients by measuring serum IgE to key allergen components, evaluating clinical histories and medication use, performing skin tests, and conducting double-blind, placebo-controlled food challenges (DBPCFCs). METHODS: Sixty participants with multiple food allergies were characterized by clinical history, DBPCFCs, total IgE, specific IgE, and component-resolved diagnostics (IgE and IgG4) data. The food allergens tested were almond, egg, milk, sesame, peanut, pecan, walnut, hazelnut, cashew, pistachio, soy, and wheat. RESULTS: Our data demonstrate that of the reactions observed during a graded DBPCFC, gastrointestinal reactions occurred more often in boys than in girls, as well as in individuals with high levels of IgE to 2S albumins from cashew, walnut, and hazelnut. Certain food allergies often occurred concomitantly in individuals (ie, cashew/pistachio and walnut/pecan/hazelnut). IgE testing to components further corroborated serological relationships between and among these clustered food allergies. CONCLUSIONS: Associations of certain food allergies were shown by DBPCFC outcomes as well as by correlations in IgE reactivity to structurally related food allergen components. Each of these criteria independently demonstrated a significant association between allergies to cashew and pistachio, as well as among allergies to walnut, pecan, and hazelnut. (C) 2017 American Academy of Allergy, Asthma & Immunology
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  • Bunne, Joakim, et al. (författare)
  • Increase in allergic sensitization in schoolchildren : two cohorts compared 10 years apart
  • 2017
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier. - 2213-2198 .- 2213-2201. ; 5:2, s. 457-463
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Time trends of incidence of allergic sensitization are unknown and recent trends of prevalence and risk factors are lacking.OBJECTIVE: To estimate the incidence, prevalence, remission, risk factors, and time trends for allergic sensitization among schoolchildren followed from age 7 to 8 years to age 11 to 12 years.METHODS: In 2006, all children in grades 1 and 2 aged 7 to 8 years in 2 municipalities in northern Sweden were invited to a questionnaire survey and to skin prick testing to 10 common airborne allergens. The cohort was reexamined in 2010, with additional blood sampling for specific IgE. Participation rates were 90% (n = 1700) at age 7 to 8 years and 85% (n = 1657) at age 11 to 12 years. The results were compared with a cohort examined by identical methods 10 years earlier.RESULTS: The prevalence of positive skin prick test result to any allergen increased from 30% at age 7 to 8 years to 41% at age 11 to 12 years (P < .001). The cumulative 4-year incidence was 18%, while remission was low. Sensitization to pollen and furred animals was most common. A family history of allergy was significantly associated with incident sensitization, whereas the presence of furred animals at home was negatively associated. The prevalence at age 7 to 8 years and at age 11 to 12 years and the 4-year incidence were all significantly higher compared with the cohort examined 10 years earlier.CONCLUSIONS: The prevalence of allergic sensitization increased by age as a consequence of a high incidence and a low remission. The trends of increasing incidence and prevalence among schoolchildren imply future increases in the prevalence of allergic diseases.
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  • Dreborg, Sten, 1933-, et al. (författare)
  • Tissue compression and epinephrine deposition
  • 2019
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier. - 2213-2198 .- 2213-2201. ; 7:6, s. 2096-2097
  • Tidskriftsartikel (övrigt vetenskapligt)
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  • Ekström, M., et al. (författare)
  • Risk of Rehospitalization and Death in Patients Hospitalized Due to Asthma
  • 2021
  • Ingår i: Journal of Allergy and Clinical Immunology: In Practice. - 2213-2198 .- 2213-2201. ; 9:5, s. 1960-1968.e4
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Asthma is a heterogeneous inflammatory airway disease that continues to cause considerable morbidity across the world, with poor asthma control leading to hospitalizations. Objective: The present study investigated the risk of rehospitalization, mortality, and the management of patients with asthma who had been hospitalized because of an asthma exacerbation. Methods: National Swedish health registries were linked for patients 6 years or older who were admitted to hospital because of asthma (index date) between January 1, 2006, and December 31, 2015. Exacerbations were defined as asthma-related hospitalization, emergency visits, or collection of oral steroids. Patients were followed for rehospitalizations 12 months after the index date, health care resource utilization and treatment for 36 months, and mortality to study end. Regression models for time-to-event analyses were applied to assess risk factors for rehospitalization and mortality. Results: A total of 15,691 patients (mean age, 51.5 years; 63% females) were included, of whom 1,892 (12%) were rehospitalized for asthma within 12 months. Rehospitalized patients had a markedly increased risk of subsequent asthma-related mortality (adjusted hazard ratio, 2.80; 95% CI, 1.95-4.01) compared with those not rehospitalized. Two-third of the patients were not followed up by a hospital-based specialist, and 60% did not collect enough inhaled corticosteroid doses to cover daily treatment the year postindex. Conclusions: In this study, more than 1 in 10 patients were rehospitalized because of asthma within 12 months, and rehospitalizations were associated with asthma-related mortality. Few patients were seen by a hospital-based specialist, and few used inhaled corticosteroid continuously. Closer monitoring after hospitalization is needed. © 2020 The Authors
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  • Epstein, Tolly G., et al. (författare)
  • Current Evidence on Safety and Practical Considerations for Administration of Sublingual Allergen Immunotherapy (SLIT) in the United States
  • 2017
  • Ingår i: Journal of Allergy and Clinical Immunology. - 2213-2198 .- 2213-2201. ; 5:1, s. 34-40
  • Forskningsöversikt (refereegranskat)abstract
    • Liquid sublingual allergen immunotherapy (SLIT) has been used off-label for decades, and Food and Drug Administration (FDA)-approved grass and ragweed SLIT tablets have been available in the United States since 2014. Potentially life-threatening events from SLIT do occur, although they appear to be very rare, especially for FDA-approved products. Practice guidelines that incorporate safety precautions regarding the use of SLIT in the United States are needed. This clinical commentary attempts to address unresolved issues including controversy regarding the FDA mandate for the prescription of epinephrine autoinjectors for patients on SLIT; how to approach polysensitized patients; optimal timing and duration of SLIT administration; how to address gaps in therapy; whether antihistamines can prevent local reactions, if certain patient populations (such as persistent asthmatics) should not receive SLIT; and when to instruct patients to self-administer epinephrine. Key points are that physicians should focus on educating patients regarding: (1) when not to administer SLIT; (2) how to recognize a potentially serious allergic reaction to SLIT; and (3) when to administer epinephrine and seek emergency care.
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