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allergy archivos - Bilastina

COVID-19 and allergy: How to take care of allergic patients during a pandemic?

COVID-19 and allergy: How to take care of allergic patients during a pandemic?

By | Selected articles

Antonella Cianferoni, Martina Votto

Pediatr Allergy Immunol. 2020 Nov;31 Suppl 26:96-101. doi: 10.1111/pai.13367.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disease, also known as COVID-19, constitutes a new threat for everybody due to its high infection rate and morbidity and mortality in vulnerable populations. People with allergic rhinitis need continuity of care by allergists during the pandemic. Allergists face the challenge of protecting themselves from becoming infected and providing care to people with allergic rhinitis. They need to be ready to work safely with adequate changes in their practice until either a universal vaccine or herd immunity is achieved. Some of the diseases under the attention of allergists are not considered risk factors but have symptoms such as cough and sneezing in differential diagnosis with COVID-19.

Below is a summary of how to treat specific conditions in the allergy office:

  • Skin testing can be delayed as often information is not essential for the patient’s immediate treatment.
  • Food challenges may be delayed except for peanut challenge in infants or for introducing a food critical for appropriate nutrition to avoid intervention such as a G tube or NG tube placement.
  • Patients on immunotherapy, the administration can be spaced to up to 6 weeks to reduced visits during the pandemic, with the possibility of dose adjustment until the regular schedule is resumed. However, the initiation of immunotherapy should be avoided.
  • Spirometry may cause aerosolization. Therefore, people with COVID-19 or flu-like symptoms should not be tested. All routine testing should be postponed during the pandemic phase.
  • Asthma is a risk factor for severe disease in the case of coronavirus 2 infections. Nevertheless, current recommendations are to continue to follow guidelines of treatment.
  • Patients with allergic rhinitis should continue their treatment. There is no evidence that these patients are at risk of severe complications during a COVID-19 infection. Allergic rhinitis may be evaluated via remote medicine, or telephone and evaluation of allergy may be postponed.

Any suggestions may change rapidly based on the evolving situation of each territory. Limiting in-person visit may have significant financial consequences, and also, at a certain point, delay of procedure may represent a more substantial risk for the patient than the potential risk of being exposed to COVID-19 and should be take under consideration.

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asma alergia y covid

ACE2 expression in allergic airway disease may decrease the risk and severity of COVID-19

By | Artículos seleccionados, Selected articles

Sunita Chhapola Shukla

Eur Arch Otorhinolaryngol. 2020 Oct 6;1-4. doi: 10.1007/s00405-020-06408-7. Online ahead of print.

At the start of the COVID-19 pandemic, allergic rhinitis, allergy, asthma, and chronic obstructive pulmonary disease were considered risk factors because they tend to aggravate during respiratory viral infections and upper respiratory tract symptoms viral infections, allergic rhinitis, and influenza overlap during COVID-19 early stages. This review aimed to revise recent studies published that do not prove that allergy and asthma are risk factors or increase severity for COVID-19.

Recent literature has not shown that airways allergic diseases are a high-risk factor or increase the severity of COVID-19. The reason is that there is a reduction in angiotensin-converting enzyme 2 (ACE2) gene expression in the nose and bronchial cells of allergic airway diseases.

Low ACE2 expression in airway cells of individuals with allergic rhinitis and allergic asthma decreases their susceptibility to COVID-19 and may not be a risk factor for severe infection. However, this is not true for the nonatopic asthma phenotype. More studies are needed to understand the impact of respiratory allergic diseases and T2 inflammatory response on COVID-19 severity and susceptibility. It is essential to continue asthma and allergic rhinitis treatments with inhaled corticosteroids, biologics, and allergen immunotherapy during the COVID-19 pandemic.

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Alergológica 2015

Alergológica 2015: A National Survey on Allergic Diseases in the Spanish Pediatric Population

By | Selected articles
Ojeda P, Ibáñez MD, Olaguibel JM, Sastre J, Chivato T; investigators participating in the National Survey of the Spanish Society of Allergology and Clinical Immunology Alergológica 2015.

The findings of Alergológica 2015 show a notable increased frequency of allergic rhinitis, drug allergy, and food allergy. The frequency of other allergic conditions remained unchanged, except for asthma, whose frequency decreased, as in adult patients.

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