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Subjective and objective measurement of cigarette smoke inhalation. 1982

M J Tobin, and G Jenouri, and M A Sackner

The pattern of cigarette smoke inhalation was studied in 19 smokers with respiratory inductive plethysmography, a reliable unobtrusive ventilatory monitoring device. The mean volumes inhaled varied widely from 0.27 to 1.97 L, with a group mean (+/- SD) of 0.79 +/- 0.45 L. Mean duration of smoke inhalation varied from 2.0 to 6.8 seconds, with a group mean of 4.5 +/- 1.3 seconds. An inhalation fraction was derived by dividing the inhaled volume by the vital capacity; this fraction varied from 0.09 to 0.47, with a group mean of 0.20 +/- 0.10. Subjects rated the depth that they inhaled smoke into their lungs on a visual analog scale and on a grading system. Correlation between visual analog scale and inhalation fraction was poor (r = -0.15). Also, inhalation fraction bore no relationship to smoking pack-years or current pulmonary function. The smokers' inaccurate assessment of their inhalation pattern may help to explain the poor correlation reported between cigarette smoke inhalation and severity of obstructive lung disease.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010465 Perception The process by which the nature and meaning of sensory stimuli are recognized and interpreted. Sensory Processing,Processing, Sensory
D012129 Respiratory Function Tests Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc. Lung Function Tests,Pulmonary Function Tests,Function Test, Pulmonary,Function Tests, Pulmonary,Pulmonary Function Test,Test, Pulmonary Function,Tests, Pulmonary Function,Function Test, Lung,Function Test, Respiratory,Function Tests, Lung,Function Tests, Respiratory,Lung Function Test,Respiratory Function Test,Test, Lung Function,Test, Respiratory Function,Tests, Lung Function,Tests, Respiratory Function
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012907 Smoking Willful or deliberate act of inhaling and exhaling SMOKE from burning substances or agents held by hand. Smoking Behaviors,Smoking Habit,Behavior, Smoking,Behaviors, Smoking,Habit, Smoking,Habits, Smoking,Smoking Behavior,Smoking Habits
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014797 Vital Capacity The volume of air that is exhaled by a maximal expiration following a maximal inspiration. Forced Vital Capacity,Capacities, Forced Vital,Capacities, Vital,Capacity, Forced Vital,Capacity, Vital,Forced Vital Capacities,Vital Capacities,Vital Capacities, Forced,Vital Capacity, Forced

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