Quality of Life and Capsaicin Sensitivity in Patients with Airway Symptoms Induced by Chemicals and Scents: A Longitudinal Study
2007

Quality of Life and Capsaicin Sensitivity in Patients with Airway Symptoms Induced by Chemicals and Scents

Sample size: 17 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ewa Ternesten-Hasséus, Olle Lowhagen, Eva Millqvist

Primary Institution: The Sahlgrenska Academy at Göteborg University

Hypothesis

The study aims to evaluate the duration of symptoms induced by chemicals and scents and to measure health-related quality of life in patients with chemically induced airway symptoms.

Conclusion

Airway symptoms induced by chemicals and scents represent a chronic condition with persistent symptoms and reduced health-related quality of life.

Supporting Evidence

  • The symptoms persisted and did not change significantly over time.
  • The patients had a reduced health-related quality of life that did not change during the 5-year period.
  • Cough sensitivity was increased at the start of the study and was long-lasting.

Takeaway

Some people have breathing problems caused by chemicals and scents, and this study followed them for five years to see how they felt over time.

Methodology

The study followed 17 patients over 5 years, using repeated questionnaires, health-related quality of life measurements, and capsaicin inhalation tests.

Potential Biases

Potential bias due to self-reported symptoms and the subjective nature of health-related quality of life assessments.

Limitations

The study had a small sample size and some patients dropped out over the follow-up period.

Participant Demographics

17 patients (13 women and 4 men; median age of 48 years) with a history of airway symptoms induced by chemicals and scents.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.9624

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