Why the study?
Does smoking a high-nicotine cigarette alter immediate left ventricular function compared to a low-nicotine cigarette in healthy young adults?
Does smoking a high-nicotine cigarette alter immediate left ventricular function compared to a low-nicotine cigarette in healthy young adults?
This physiological study aims to evaluate the acute hemodynamic impact of nicotine on left ventricular function using echocardiography.
Hypothesis-generating for acute nicotine effects on LV function; larger prospective studies needed before clinical relevance.
Sixteen healthy subjects, ages 18-35 years, were studied in the supine position by means of systolic time intervals and echocardiography before and after smoking a high-nicotine cigarette (2.5 mg nicotine) and a tobacco cigarette of very low nicotine content (< 0.02 mg nicotine) to assess and compare the immediate effects upon left ventricular function.
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Rabinowitz et al. (1979) studied this question.
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