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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Gill, Ramneet Krishnan, Sankaran Dozor, A. J. |
| Description | Author Affiliation: Gill R ( Division of Pulmonary & Critical Care and Sleep Medicine, Department of Medicine, Wayne State University , Detroit, MI , USA and.) |
| Abstract | OBJECTIVE: The effects of low-level environmental tobacco smoke (ETS) exposure, on asthma control, lung function and inflammatory biomarkers in children with asthma have not been well studied. The objective of the study was to assess ETS exposure in school-age children with asthma whose parents either deny smoking or only smoke outside the home, and to assess the impact of low-level ETS exposure on asthma control, spirometry and inflammatory biomarkers. METHODS: Forty patients age 8-18 years with well-controlled, mild-to-moderate persistent asthma treated with either inhaled corticosteroids (ICS) or montelukast were enrolled. Subjects completed an age-appropriate Asthma Control Test and a smoke exposure questionnaire, and exhaled nitric oxide (FeNO), spirometry, urinary cotinine and leukotriene E(4) (LTE(4)) were measured. ETS-exposed and unexposed groups were compared. RESULTS: Only one parent reported smoking in the home, yet 28 (70%) subjects had urinary cotinine levels ≥1 ng/ml, suggesting ETS exposure. Seven subjects (18%) had FeNO levels >25parts per billion, six of whom were in the ETS-exposed group. In the ICS-treated subjects, but not in the montelukast-treated subjects, ETS exposure was associated with higher urinary LTE(4), p = 0.04, but had no effect on asthma control, forced expiratory volume in 1 s or FeNO. CONCLUSIONS: A majority of school-age children with persistent asthma may be exposed to ETS, as measured by urinary cotinine, even if their parents insist they don't smoke in the home. Urinary LTE(4) was higher in the ETS-exposed children treated with ICS, but not in children treated with montelukast. |
| File Format | HTM / HTML |
| ISSN | 02770903 |
| Issue Number | 4 |
| Volume Number | 51 |
| e-ISSN | 15324303 |
| Journal | Journal of Asthma |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2014-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Pulmonology Asthma Physiopathology Cotinine Urine Inflammation Mediators Metabolism Leukotriene E4 Tobacco Smoke Pollution Adverse Effects Acetates Therapeutic Use Administration, Inhalation Adolescent Adrenal Cortex Hormones Anti-asthmatic Agents Drug Therapy Etiology Child Cohort Studies Environmental Monitoring Methods Female Follow-up Studies Humans Analysis Male Prospective Studies Quinolines Risk Assessment Severity Of Illness Index Spirometry Treatment Outcome Comparative Study Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pulmonary and Respiratory Medicine Immunology and Allergy Pediatrics, Perinatology and Child Health |
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