Airway response to formaldehyde inhalation in asthmatic subjects with suspected respiratory formaldehyde sensitization

Anna Krakowiak, Pawel Górski, Konrad Pazdrak, Urszula Ruta

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

The aim of the study was to characterize the mechanism of formaldehyde (FM)-induced nasal and bronchial response in asthmatic subjects with suspected FM allergy. Ten subjects purported to have FM rhinitis and asthma and 10 healthy subjects submitted to an inhalation provocation in an exposure chamber with FM at a dose of 0.5 mg/m3 over 2 hr. Spirometry at rest and following bronchial provocation with histamine (PC20) were recorded before and after FM inhalation. In addition, FM-specific serum IgE antibodies were measured and cellular, biochemical, and mediator changes were assessed in nasal lavage before, and immediately after, provocation and at 4 hr and 24 hr later. Provocation with FM caused only transient symptoms of rhinitis in both groups. None of the subjects supposed to have occupational asthma developed clinical symptoms of bronchial irritation. No specific IgE antibodies to FM were detected in persons with occupational exposure to FM. No differences in the nasal response to FM were found between subjects reporting to have occupational allergic respiratory diseases and healthy subjects (P > 0.05). In summary, inhaled formaldehyde at a level as low as 0.5 mg/m3 did not induce a specific allergic response either in the upper or in the lower part of the respiratory tract. Moreover, there is no difference in nasal response to FM in asthmatic subjects occupationally exposed to FM and healthy subjects.

Original languageEnglish (US)
Pages (from-to)274-281
Number of pages8
JournalAmerican Journal of Industrial Medicine
Volume33
Issue number3
DOIs
StatePublished - 1998
Externally publishedYes

Fingerprint

Inhalation
Formaldehyde
Nose
Healthy Volunteers
Rhinitis
Immunoglobulin E
Nasal Lavage
Occupational Asthma
Antibodies
Spirometry
Occupational Exposure
Respiratory System
Histamine
Hypersensitivity
Asthma

Keywords

  • Airway response
  • Eosinophils
  • Formaldehyde
  • Occupational allergy

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Airway response to formaldehyde inhalation in asthmatic subjects with suspected respiratory formaldehyde sensitization. / Krakowiak, Anna; Górski, Pawel; Pazdrak, Konrad; Ruta, Urszula.

In: American Journal of Industrial Medicine, Vol. 33, No. 3, 1998, p. 274-281.

Research output: Contribution to journalArticle

Krakowiak, Anna ; Górski, Pawel ; Pazdrak, Konrad ; Ruta, Urszula. / Airway response to formaldehyde inhalation in asthmatic subjects with suspected respiratory formaldehyde sensitization. In: American Journal of Industrial Medicine. 1998 ; Vol. 33, No. 3. pp. 274-281.
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