Determinants of persistent smoking after acute myocardial infarction: an observational study
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(2020) 20:384
RESEARCH ARTICLE
Open Access
Determinants of persistent smoking after acute myocardial infarction: an observational study Jens Höpner, Udo Junge, Andrea Schmidt-Pokrzywniak, Christian Fischer and Rafael Mikolajczyk*
Abstract Background: Smoking cessation is one of the most effective secondary prevention measures after acute myocardial infarction (AMI). However, around 50% of smokers do not quit smoking after AMI. The aim of the present study is to estimate the proportion of patients quitting smoking and to identify determinants of persistent smoking after AMI in a region with increased cardiovascular mortality. We also assessed the time of smoking cessation after AMI. Methods: We used follow-up data of patients registered with the Regional Myocardial Infarction Registry in SaxonyAnhalt (RHESA) in Germany. We assessed smoking status and determinants of persistent smoking six weeks after discharge from hospital after AMI. Information on smoking, sociodemographic characteristics, risk factors for AMI, experienced symptoms of AMI, and clinical care were gathered in a computer-assisted telephone interview and questionnaires filled out by study subjects and physicians or study nurses. Results: Out of 372 smokers at the time of AMI, 191 (51.3%) reported that they quit smoking within six weeks after discharge from hospital after AMI. Strongest determinant of persistent smoking was a previous AMI before the current one (OR = 2.19, 95%CI 1.10–4.38) and strongest determinants of smoking cessation were experiencing complications in the hospital (0.37, 95%CI 0.12–1.12) and having a life partner (0.56, 95%CI 0.34–0.95). Most individuals who stopped smoking did so during the initial stay in the hospital, before the cardiac rehabilitation (CR). Conclusions: Persistent smoking after AMI and its determinants were similar in our region to previous studies. CR cannot be viewed as determinant of smoking cessation – more likely the same teachable moment induces behavioural change with regard to smoking and participation in CR. Keywords: Smoking, Secondary prevention, Myocardial infarction, Predictors, Teachable moment, RHESA
Background For many years, Saxony-Anhalt has been one of the federal states in Germany with the highest incidence and mortality of acute myocardial infarction (AMI) [1]. In 2013, the age-standardized incidence of AMI (349 / 100, 000 persons) was 28.3% above the national average. In order to identify reasons for the high incidence and * Correspondence: [email protected] Institute of Medical Epidemiology, Biometrics and Informatics, Martin-Luther University Halle-Wittenberg, Magdeburger Str. 8, 06112 Halle, Germany
mortality, the Regional Myocardial Infarction Registry (RHESA) was established in 2013 [2]. One potential explanation for the high incidence is the highest or second highest prevalence of common risk factors for AMI in Saxony-Anhalt among the German federal states (i.e. smoking, diabetes mellitus, arterial hypertension, obesity, increased waist circumference and the metabolic
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