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[How to prevent vascular risk related to smoking: an aid to discontinue smoking]
G Lagrue1, C Demaria, B Grimaldi
1Centre d'Aide au Sevrage Tabagique, Hôpital Henri-Mondor, Créteil.
Insights
Nicotine addiction from smoking is a major risk factor for vascular diseases, increasing blood pressure and reducing the effectiveness of antihypertensive drugs. Tailored therapies are essential for smoking cessation in hypertensive patients.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
- Addiction Science
Context:
- Nicotine addiction, particularly from cigarette smoking, is a significant risk factor for vascular diseases like atherosclerosis and thrombosis.
- Smoking acutely elevates blood pressure and heart rate through catecholamine and vasopressin release.
- Nicotine intake interferes with drug metabolism, notably reducing the efficacy of antihypertensive medications such as beta-blockers.
Purpose:
- To highlight nicotinism as a critical, yet often underestimated, risk factor in vascular diseases.
- To explain the physiological mechanisms by which smoking impacts cardiovascular health and drug efficacy.
- To underscore the necessity of addressing nicotine dependence for effective hypertension management.
Summary:
- Cigarette smoking is the third leading risk factor for vascular diseases, alongside hypertension and hypercholesterolemia.
- Nicotine exposure triggers physiological responses that increase blood pressure and heart rate, and it diminishes the effectiveness of crucial antihypertensive drugs.
- Effective management of hypertension in smokers requires a thorough understanding of both the psychologic and pharmacologic aspects of nicotine dependence to develop personalized cessation strategies.
Impact:
- Recognizing smoking's multifaceted impact on vascular health and pharmacotherapy is crucial for clinical practice.
- This understanding facilitates the development of more effective, individualized smoking cessation programs for hypertensive patients.
- Improved smoking cessation rates can lead to better cardiovascular outcomes and reduced healthcare burdens associated with vascular diseases.
Abstract:
In addition to hypertension and hypercholesterolemia, the third major risk factor in vascular diseases such as atherosclerosis and acute thrombosis is nicotinism, particularly that involving the smoking of cigarettes. Each cigarette smoked, with inhalation, is followed by increases in blood pressure and heart rate due to release of catecholamines and vasopressin. In addition, nicotine intake modifies the metabolism of certain drugs, such as beta-blockers, diminishing their antihypertensive action and hence nullifying the therapeutic benefit. Hypertension in smokers therefore constitutes a real "model" for the pharmacologic study of certain antihypertensives. Clearly the essential aim with any hypertensive subject is discontinuance of smoking, which is difficult to achieve with heavy smokers since genuine drug dependence is involved. There is no "miracle" treatment. It is necessary in each case to study the characteristics of dependence, which is both psychologic and pharmacologic (nicotine being the principal drug). Appropriate, and hence more effective therapies can then be proposed in light of the results obtained.