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High-density lipoprotein concentrations increase after stopping smoking

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Author

Summary, in English

Concentrations of plasma lipoproteins in 10 men who were habitual smokers were monitored for six weeks after they stopped smoking and related to changes in diet and body weight. The energy intake increased by 10% (p less than 0.05) owing to a higher consumption of carbohydrates and fat, and body weight increased by 2% (p less than 0.01). Plasma triglyceride, cholesterol, and low-density lipoprotein cholesterol concentrations did not change significantly. The most prominent finding was a rapid and pronounced increased in high-density lipoprotein concentrations. From comparatively low values (mean 0.82 mmol/1) they rose by 29% (p less than 0.01) within two weeks and remained at this value throughout the observation period. In three subjects who resumed smoking after the end of the study they again fell to initial values six weeks later. The initial increase in concentration could be accounted for mainly by an increase in the esterified fraction and only to a lesser extent in the free cholesterol fraction. The changes in concentrations were accompanied by similar but less pronounced rises in high-density lipoprotein phospholipid and in apolipoprotein AI concentrations (p less than 0.01), whereas high-density lipoprotein phospholipid and in apolipoprotein AI concentration (p less than 0.01), whereas high-density lipoprotein triglyceride concentrations did not change significantly. These findings confirm and extend those of earlier cross-sectional studies which showed low concentrations of high-density lipoproteins in cigarette smokers, A significant correlation between the rise in high-density lipoprotein cholesterol concentrations and the increase in fat consumption after stopping smoking indicate that the changes in high-density lipoprotein concentrations may be partly due to nutritional factors.

Publishing year

1982

Language

English

Pages

1511-1513

Publication/Series

British Medical Journal (Clinical Research Edition)

Volume

284

Issue

6328

Document type

Journal article

Publisher

BMJ Publishing Group

Topic

  • Medicinal Chemistry
  • Pharmacology and Toxicology
  • Cardiac and Cardiovascular Systems

Status

Published

ISBN/ISSN/Other

  • ISSN: 0267-0623