Smoking cessation and cardiovascular reactivity to stress

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Abstract
Systolic blood pressure (SBP), diastolic blood pressure (DBP), and heart rate (HR) reactivity to mental arithmetic and deep knee bends were monitored in a sample of smokers prior to and 6 months following smoking cessation. There was no reduction in cardiovascular reactivity to either stressor following cessation. However, heightened pretreatment DBP and HR reactivity to mental arithmetic and SBP reactivity to deep knee bends were associated with relapse by the 6-month follow-up. Demographic and smoking history variables and pretreatment nicotine dependence were not associated with treatment outcome. Further exploration of cardiovascular reactivity to stress among smokers may elucidate the process of relapse.