Asthma Across Age

Insights From Primary Care

Alan Kaplan, Antony Hardjojo, Shaylynn Yu, David Price (Corresponding Author)

Research output: Contribution to journalReview article

Abstract

Asthma is a heterogeneous disease comprising of multiple phenotypes and affects patients from childhood up to old age. In this review, we summarize the current knowledge on the similarities and differences in asthma across different age-groups, with emphasis on the perspective from primary care. Despite the similar disease presentation, phenotyping studies showed that there are differences in the distribution of phenotypes of asthma presenting in childhood compared to that in adulthood. Whereas, asthma with early age of onset tends to be of the atopic phenotype, the disease shifts toward the non-atopic phenotypes at later ages. Studies within primary care patients aiming to elucidate risk factors for future asthma exacerbation have shown pediatric and elderly patients to be at higher risk for future asthma attacks compared to other adult patients. Regardless, both pediatric and adult studies demonstrated previous asthma episodes and severity, along with high blood eosinophil to predict subsequent asthma attacks. Differences in childhood and adult asthma are not limited to the underlying phenotypes but also extends to the challenges in the diagnosis, treatment, and management of the disease. Diagnosis of asthma is complicated by age-specific differential diagnoses such as infectious wheezing and nasal obstruction in children, and aging-related problems such as heart disease and obesity in the elderly. There are also age-related issues leading to decreased disease control such as non-adherence, tobacco use, difficulty in using inhalers and corticosteroid-related side effects which hinder asthma control at different patient age-groups. Several clinical guidelines are available to guide the diagnosis and drug prescription of asthma in pediatric patients. However, there are conflicting recommendations for the diagnostic tools and treatment for pediatric patients, posing additional challenges for primary care physicians in working with multiple guidelines. While tools such as spirometry and peak flow variability are often available in primary care, their usage in preschool patients is not consistently recommended. FeNO measurement may be a valuable non-invasive tool which can be adopted by primary physicians to assist asthma diagnosis in preschool-age patients.

Original languageEnglish
Article number162
Number of pages12
JournalFrontiers in pediatrics
Volume7
Early online date3 May 2019
DOIs
Publication statusPublished - May 2019

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Primary Health Care
Asthma
Phenotype
Pediatrics
Age Groups
Guidelines
Drug Prescriptions
Nasal Obstruction
Nebulizers and Vaporizers
Spirometry
Respiratory Sounds
Tobacco Use
Primary Care Physicians
Disease Management
Age of Onset
Eosinophils
Heart Diseases
Adrenal Cortex Hormones
Differential Diagnosis
Obesity

Keywords

  • asthma
  • guidelines
  • primary care
  • children
  • adult
  • phenotypes
  • diagnosis
  • management

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Asthma Across Age : Insights From Primary Care. / Kaplan, Alan; Hardjojo, Antony; Yu, Shaylynn; Price, David (Corresponding Author).

In: Frontiers in pediatrics, Vol. 7, 162, 05.2019.

Research output: Contribution to journalReview article

Kaplan, Alan ; Hardjojo, Antony ; Yu, Shaylynn ; Price, David. / Asthma Across Age : Insights From Primary Care. In: Frontiers in pediatrics. 2019 ; Vol. 7.
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