International archives of allergy and immunology · 2022
Component-Resolved Diagnosis for Endotyping Patients with Chronic Rhinosinusitis with Nasal Polyps.
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Puxeddu Ilaria, Petrelli Fiorella, Cristofani-Mencacci Lodovica, Scarano Mariella, Latorre Manuela, De Rosa Antonio, Dallan Iacopo, Manca Maria Laura, Berrettini Stefano, Migliorini Paola, Seccia Veronica
Аннотация
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a predominantly type 2 inflammation-mediated disease of the nasal mucosa and paranasal sinuses that often coexists with asthma. The role of atopy in the development and severity of CRSwNP is still a controversial issue.
OBJECTIVE: The aim of our study was to propose a systematic allergy workup to identify atopic patients in the context of CRSwNP and to characterize their allergen sensitization profile (sources/molecules).
METHODS: Patients with a diagnosis of CRSwNP (n = 97) were studied in the otorhinolaryngologist and allergy settings. Demographic and clinical data were collected for each patient. Different allergen sensitization profiles (sources/molecules) were evaluated in atopic CRSwNP patients by using component-resolved diagnosis (CRD).
RESULTS: In our cohort of patients, the CRSwNP was frequently diagnosed during adulthood with significant impact on health-related quality of life. Asthma and atopy were the most common comorbidities with a prevalence of asthma in the atopic group. In CRSwNP patients sensitized to grass pollens and/or to house dust mites, the CRD analysis revealed a prevalence of sensitization to species-specific allergens of Phleum pratense (Phl p1, Phl p2, and Phl p5) or Dermatophagoides pteronyssinus (Der p1 and Der p2) rather than to cross-reactive ones.
CONCLUSION: To define the allergen sensitization profile in atopic CRSwNP patients by CRD, it may be useful to better characterize type 2 inflammation, thus providing a personalized endotype-driven treatment.
OBJECTIVE: The aim of our study was to propose a systematic allergy workup to identify atopic patients in the context of CRSwNP and to characterize their allergen sensitization profile (sources/molecules).
METHODS: Patients with a diagnosis of CRSwNP (n = 97) were studied in the otorhinolaryngologist and allergy settings. Demographic and clinical data were collected for each patient. Different allergen sensitization profiles (sources/molecules) were evaluated in atopic CRSwNP patients by using component-resolved diagnosis (CRD).
RESULTS: In our cohort of patients, the CRSwNP was frequently diagnosed during adulthood with significant impact on health-related quality of life. Asthma and atopy were the most common comorbidities with a prevalence of asthma in the atopic group. In CRSwNP patients sensitized to grass pollens and/or to house dust mites, the CRD analysis revealed a prevalence of sensitization to species-specific allergens of Phleum pratense (Phl p1, Phl p2, and Phl p5) or Dermatophagoides pteronyssinus (Der p1 and Der p2) rather than to cross-reactive ones.
CONCLUSION: To define the allergen sensitization profile in atopic CRSwNP patients by CRD, it may be useful to better characterize type 2 inflammation, thus providing a personalized endotype-driven treatment.