[article] | Titre : |
Acute effects of waterpipe tobacco smoking: A double-blind, placebo-control study |
| Titre traduit : |
(Effets aiguës de l'utilisation du narguilé pour fumer du tabac : une étude en double aveugle controllée par placébo) |
| Type de document : |
Périodique |
| Auteurs : |
M. D. BLANK ; C. O. COBB ; B. KILGALEN ; J. AUSTIN ; M. F. WEAVER ; A. SHIHADEH ; T. EISSENBERG |
| Année de publication : |
2011 |
| Article en page(s) : |
102-109 |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Thésaurus TOXIBASE
TABAC ; FUMEE DE TABAC ; NARGUILE ; EFFET SECONDAIRE ; ANALYSE CHIMIQUE ; MESURES QUANTITATIVES ; HALEINE ; NICOTINE ; PLACEBO ; ENQUETE ; OXYDES DE CARBONE ; SANG
Thésaurus Géographique
ETATS-UNIS
|
| Discipline : |
PRO Produits, mode d'action, méthode de dépistage / Substances, action mode, screening methods |
| Résumé : |
BACKGROUND: Waterpipe tobacco smoking usually involves heating flavored tobacco with charcoal and inhaling the resulting smoke after it has passed through water. Waterpipe tobacco smoking increases heart rate and produces subjective effects similar to those reported by cigarette smokers. These responses are thought to be nicotine-mediated, though no placebo-control studies exist. Accordingly, this double-blind, placebo-control study compared the acute physiological and subjective effects of waterpipe tobacco smoking to those produced when participants used a waterpipe to smoke a flavor-matched, tobacco-free preparation. METHODS: Occasional waterpipe tobacco smokers (n=37; 2-5 monthly smoking episodes for >=6 months) completed two double-blind, counterbalanced sessions that differed by product: preferred brand/flavor of waterpipe tobacco or flavor-matched, tobacco-free preparation. For each 45-min, ad lib smoking episode blood and expired air CO were sampled, cardiovascular and respiratory response were measured, and subjective response was assessed. RESULTS: Waterpipe tobacco smoking significantly increased mean (±SEM) plasma nicotine concentration (3.6±0.7ng/ml) and heart rate (8.6±1.4bpm) while placebo did not (0.1±0.0ng/ml; 1.3±0.9bpm). For carboxyhemoglobin (COHb) and expired air CO, significant increases were observed for tobacco (3.8±0.4%; 27.9±2.6ppm) and for placebo (3.9±0.4%; 27.7±3.3ppm) with no differences across condition. Independent of condition, symptoms of nicotine/tobacco abstinence (e.g., "urges to smoke", "anxious") were reduced and direct effects (e.g., "dizzy", "satisfy") increased. DISCUSSION: These results from the first placebo-control study of waterpipe tobacco smoking demonstrate that waterpipe-induced heart rate increases are almost certainly mediated by nicotine though the subjective effects observed in these occasional smokers were not. |
| Domaine : |
Tabac / Tobacco |
| Refs biblio. : |
47 |
| Affiliation : |
Virginia Commonwealth University, Department of Psychology, P.O. Box 980205, Richmond, VA 23298-0205,
Etats-Unis. United States. |
| Permalink : |
https://bdoc.ofdt.fr/index.php?lvl=notice_display&id=67039 |
in Drug and Alcohol Dependence > Vol.116, n°1-3 (July 2011) . - 102-109
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