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Hiranrattana A, Stern DA, Guerra S, Halonen M, Wright AL, Daines M, Martinez FD, Morgan WJ. Alternaria sensitisation at age 6 years is associated with subsequent airway hyper-responsiveness in non-asthmatics. Thorax 2018; 73:1170-1173. [PMID: 29563159 DOI: 10.1136/thoraxjnl-2017-210325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 02/19/2018] [Accepted: 02/26/2018] [Indexed: 11/04/2022]
Abstract
In the non-selected birth cohort Tucson Children's Respiratory Study, early sensitisation to Alternaria was associated with increased airway hyper-responsiveness (AHR) into adult life among non-asthmatics. The increase in AHR was of a similar magnitude to that seen for Alternaria sensitised asthmatics and was primarily evident among those who were overweight or obese. In contrast, there was no significant association between early sensitisation to aeroallergens other than Alternaria and AHR among non-asthmatics. Why this group of Alternaria sensitised individuals without asthma demonstrated increased AHR of a magnitude similar to asthmatics is unknown and requires further investigation.
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Affiliation(s)
- Anunya Hiranrattana
- Pediatric Pulmonary Allergy Division, Department of Pediatrics, University of Arizona, Tucson, Arizona, USA
| | - Debra A Stern
- Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Stefano Guerra
- Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Marilyn Halonen
- Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Anne L Wright
- Pediatric Pulmonary Allergy Division, Department of Pediatrics, University of Arizona, Tucson, Arizona, USA.,Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Michael Daines
- Pediatric Pulmonary Allergy Division, Department of Pediatrics, University of Arizona, Tucson, Arizona, USA.,Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Fernando D Martinez
- Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
| | - Wayne J Morgan
- Pediatric Pulmonary Allergy Division, Department of Pediatrics, University of Arizona, Tucson, Arizona, USA.,Asthma and Airway Disease Research Center, University of Arizona, Tucson, Arizona, USA
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