[An assessment of active and passive exposure to cigarette smoking among patients after percuteneous transluminal coronary angioplasty (PTCA) with the usage of cotinine level in the serum, urine and saliva. Preliminary study].

UNLABELLED: The aim of the study was an objective assessment of active and passive exposure to cigarette smoke among patients after percutaneous transluminal coronary angioplasty (PTCA). A questionnaire was answered by 24 patients (18 men and 6 women) aged 48 to 76 (av. 61.2) years. Cotinine (metabolite of nicotine) level was measured in blood, urine and saliva of the patients as objective verification of the questionnaire answers. CONCLUSIONS: 1. Among the PTCA patients 41.6% of them were active smokers. 2. 30% of smokers concealed the fact of active smoking. 3. We assume that smoking habit among the patients should be verified by measurement of cotinine in serum, saliva and urine. 4. The main motivations for smoking cessation were myocardial infarction, PTCA and hospitalizations. 5. All patients were aware of the harmful effects of smoking and were able to identify the main risks.