期刊
EUROPEAN HEART JOURNAL
卷 21, 期 6, 页码 438-445出版社
OXFORD UNIV PRESS
DOI: 10.1053/euhj.1999.1949
关键词
tobacco dependence; smoking cessation; nicotine replacement therapy
Tobacco use is a global health care problem. Repetitive exposure to nicotine produces neuroadaptation resulting in nicotine dependence. Cigarette smoking is particularly addictive due to the repeated delivery of bolus doses of nicotine to the bloodstream. Although compulsive tobacco use is sustained by nicotine addiction, it is the toxic combustion products in tobacco smoke such as carbon monoxide and oxidant gases that adversely affect the cardiovascular system. Smoking cessation produces significant health benefits and is a very cost-effective intervention. Evidence that nicotine is the addictive component of tobacco provides the rationale for using nicotine replacement therapy to aid cessation. Nicotine replacement therapy doubles successful smoking cessation fates and evidence-based guidelines for the treatment of tobacco addiction recommend routine use of nicotine replacement therapy, particularly in heavily dependent smokers. Success rates of up to 40% can be achieved in specialist clinics. Despite early concerns regarding the safety of nicotine replacement therapy in smokers with heart disease, it is now clear that the health risks of using nicotine replacement therapy to assist such patients to stop, or significantly reduce, smoking far outweigh any treatment-related risks. (C) 2000 The European Society of Cardiology.
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