Article,

Weight Change in Patients Attempting to Quit Smoking Post-myocardial Infarction

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The American Journal of Medicine, 127 (7): 641 - 649.e1 (2014)
DOI: http://dx.doi.org/10.1016/j.amjmed.2014.02.032

Abstract

AbstractBackground Current guidelines recommend smoking cessation and weight management for secondary prevention in patients post-myocardial infarction. However, little is known about the effects of smoking cessation on weight change post-myocardial infarction. Methods We examined patterns of weight change and its effects on blood pressure and glycemic control using data from a randomized trial investigating the effect of bupropion on smoking cessation in patients post-myocardial infarction. Weight change was compared among 3 groups of patients: those who were completely abstinent (n = 92), those who smoked intermittently (n = 49), and those who smoked persistently (n = 38) during the 12-month follow-up. Analyses were restricted to patients who attended all follow-up visits. Results The median weight at baseline was 77.1 kg (interquartile range IQR, 66.0, 87.5), and 64.3% of patients were overweight/obese (body mass index ≥25.0 kg/m2). The median weight gain at 12 months was 4.0 kg (IQR, 0-7.0), with more than one third gaining >5 kg. The proportion of patients who were overweight/obese increased by approximately 10%, and 23.2% of patients moved up a body mass index category. Abstainers gained a median of 4.8 kg (IQR, 1.0, 8.6), intermittent smokers gained a median of 2.0 kg (IQR, −2.0, 5.0), and persistent smokers gained a median of 3.0 kg (IQR, −0.8, 6.0). Weight gain was associated with an increase in blood pressure and requirements for hypoglycemic medications at 12 months. Conclusions The majority of patients attempting to quit smoking gain weight 12 months post-myocardial infarction, with abstainers gaining more weight than those who return to smoking. Weight gain was associated with an increased prevalence of hypertension and diabetes.

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