title: Chronological change of serum carcinoembryonic antigen (CEA) concentrations and pulmonary function data after cessation of smoking in subjects with smoking-associated CEA abnormality.
abstract: We evaluated changes in serum carcinoembryonic antigen (CEA), peripheral neutrophil concentrations, and ratio of the forced expiratory volume in 1 s to the forced vital capacity (FEV1%) values after cessation of smoking in subjects with smoking-associated CEA abnormality (>5.0 ng/ml) (n=119). In all 25 subjects who gave up smoking (ex-smokers), CEA concentrations 1 year after the cessation decreased within the reference range and neutrophil concentrations were lower than those while smoking. However, both concentrations after 3 years were still higher than those who have never smoked (non-smokers) (n=86). Average CEA and neutrophil concentrations in 94 subjects who continued to smoke (smokers) were stable. There was no difference between chronological changes of FEV1% over 3 years in ex-smokers and in smokers. However, FEV1% values for 3 years in ex-smokers were lower than those in non-smokers. These findings suggest that the ex-smokers who gave up smoking 3 years ago are still affected by past smoking.
authors.affiliation: Respiratory Department, Taragi Municipal Hospital, 4210 Taragi-machi, Kuma-gun, Kumamoto, 868-0501, Japan. cbi54000@pop02.odn.ne.jp
authors.forename: K
authors.initials: K
authors.lastname: Kashiwabara
authors.forename: H
authors.initials: H
authors.lastname: Nakamura
authors.forename: T
authors.initials: T
authors.lastname: Yokoi
mesh_terms: D000328:Adult; D002272:Carcinoembryonic Antigen / Q000097:blood*; D002910:Chronology as Topic; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008448:Maximal Expiratory Flow Rate; D008875:Middle Aged; D012907:Smoking / Q000097:blood*; D016540:Smoking Cessation
chemical_list: D002272:Carcinoembryonic Antigen