Smoke-free Legislation and Hospitalizations for Childhood Asthma

Mackay, Daniel; Haw, Sally; Ayres, Jon G.; Fischbacher, Colin; Pell, Jill P.

doi:10.1056/nejmoa1002861

Cited by 270 publications

(200 citation statements)

References 15 publications

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“…Several lines of evidence demonstrate that active and passive smoking leads to greater severity of asthma and act as a triggers to exacerbate asthma [45,46]. It appears that the diminished antioxidant capacity along with the oxidant excess associated with tobacco smoke leads to bronchial hyperresponsiveness and worsening airways obstruction [47,48] Due to the accelerated loss of lung function, there is an increased risk of development of COPD in asthmatics who smoke (see ‘Co-morbidities’) [49].…”

Section: Systematic Assessment Of Severe Asthmamentioning

confidence: 99%

Nordic consensus statement on the systematic assessment and management of possible severe asthma in adults

Porsbjerg

Ulrik

Skjold

et al. 2018

European Clinical Respiratory Journal

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Although a minority of asthma patients suffer from severe asthma, they represent a major clinical challenge in terms of poor symptom control despite high-dose treatment, risk of exacerbations, and side effects. Novel biological treatments may benefit patients with severe asthma, but are expensive, and are only effective in appropriately targeted patients. In some patients, symptoms are driven by other factors than asthma, and all patients with suspected severe asthma (‘difficult asthma’) should undergo systematic assessment, in order to differentiate between true severe asthma, and ‘difficult-to-treat’ patients, in whom poor control is related to factors such as poor adherence or co-morbidities. The Nordic Consensus Statement on severe asthma was developed by the Nordic Severe Asthma Network, consisting of members from Norway, Sweden, Finland, Denmark, Iceland and Estonia, including representatives from the respective national respiratory scientific societies with the aim to provide an overview and recommendations regarding the diagnosis, systematic assessment and management of severe asthma. Furthermore, the Consensus Statement proposes recommendations for the organization of severe asthma management in primary, secondary, and tertiary care.

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Section: Systematic Assessment Of Severe Asthmamentioning

confidence: 99%

Nordic consensus statement on the systematic assessment and management of possible severe asthma in adults

Porsbjerg

Ulrik

Skjold

et al. 2018

European Clinical Respiratory Journal

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“…35 The consequences of smoking and ETS exposure on asthmatics 36---39 and the beneficial effects of a smoke-free legislation (e.g. associated with a lower rate of hospitalizations for childhood asthma 17 ) are increasingly recognized. In spite of this knowledge, we found a smoking prevalence in asthmatics that is similar to the general population; other population-based studies reported similar findings.…”

Section: Figurementioning

confidence: 99%

“…14 In other countries, legislation restricting smoking resulted in a greater adoption of voluntary bans on smoking at home. 16,17 In Portugal, there is little information available on the prevalence of exposure to ETS at home in the general population before or after the law. 12,15,18,19 The aims of this study were, in the Portuguese population, (1) to estimate the prevalence of exposure to ETS at home, (2) to estimate the prevalence of tobacco smoking, and (3) to identify social and personal characteristics associated with smoking or being exposed to ETS at home.…”

Section: Introductionmentioning

confidence: 99%

Environmental tobacco smoke exposure at home and smoking prevalence in the general Portuguese population—The INAsma study

Pereira

Morais‐Almeida

Sousa

et al. 2013

Revista Portuguesa de Pneumologia (English Edition)

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Background: We aimed to: (1) estimate the prevalence of exposure to environmental tobacco smoke (ETS) at home in the Portuguese population; (2) estimate tobacco smoking prevalence in Portugal; (3) identify social and personal characteristics associated with smoking or exposure to ETS. Methods: Nationwide, cross-sectional, population-based telephone survey. Overall, 6003 individuals completed the interview. ETS exposure at home was defined as exposure to at least one current smoker at home. A smoker was defined as someone with 15 years or older, smoking at least 1 cigarette per day during a year; a current smoker (CS) smoked in the last month. Results: Exposure to ETS at home was reported by 26.6% (95% CI 25.5---27.7) of the participants. Living in households with ≥4 persons (OR = 2.31; 95% CI [1.81---2.96]), being a current smoker (OR = 7.29; (IC 95%: 18,0---20,0) da população portuguesa é fumadora e 17,2% (IC 95%: 16,2---18,2) são ex-fumadores. A prevalência de fumadores atuais é mais elevada nos homens do que nas mulheres (26,5 versus 12,2%, p < 0,001). A probabilidade de ser um fumador atual foi maior nos homens, nas pessoas mais instruídas e nos indivíduos expostos, em casa, ao fumo ambiental do tabaco. Na análise estratificada por sexo, o efeito da escolaridade manteve-se apenas nas mulheres. Conclusão: A exposição ao fumo ambiental do tabaco em casa foi mais elevada do que a anteriormente publicada. Crianças/adolescentes e doentes com asma podem ter um risco de exposição ambiental mais elevado. Este estudo apoia uma tendência decrescente da prevalência de tabagismo nos homens portugueses, mas uma tendência crescente nas mulheres. PALAVRAS-CHAVE

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“…Subsequently, passive smoking constitutes a risk factor for the appearance for asthma symptoms in infancy (Martin et al, 2003). Moreover, several studies have found that after the implementation of more restrictive tobacco law, hospitalizations of infants due to asthma decreased by 18.2% (Carriazo & Cuevo, 2010;Mackay et al, 2010).…”

Section: Infections Of the Lower Respiratory Tractmentioning

confidence: 99%