Cigarette Smoke Deposition in the Tracheobronchial Tree: Evidence for Colligative Effects
نویسندگان
چکیده
منابع مشابه
Effects of breathing parameters on sidestream cigarette smoke deposition in a hollow tracheobronchial model.
The effects of variations in cyclic breathing parameters (i.e., tidal volume and breath frequency) have been the subject of few studies devoted to the deposition of submicrometer aerosols in the human respiratory tract. Therefore, a series of experiments was performed to investigate whether the deposition efficiency (DE) of sidestream cigarette smoke is altered by varying tidal volume and breat...
متن کاملThe Effects of Cigarette Smoke
an electromagnetic flow probe. After the administration of cigarette smoke, plasma epinephrine was elevated nine times the control level (p < 0.001) and peak mean blood pressure was elevated one and one-half times control (p < 0.01). The hematocrit increased several percent (p < 0.01) with cigarette smoke, although blood gases and pH remained unchanged. In all 21 dogs, spontaneous reductions in...
متن کاملEffects of Cigarette Smoke
Some ciliostatic components ofcigarette smoke were studied as inhibitors of in vitro chemotaxis of human polymorphonuclear leukocytes (PMNs). In comparison to their concentration in an inhibitory level of cigarette smoke, the unsaturated aldehydes acrolein and crotonaldehyde were the most potent inhibitors, whereas nicotine, cyanide, acetaldehyde, and furfural were the next strongest inhibitors...
متن کاملReal-time assessment of cigarette smoke particle deposition in vitro
BACKGROUND Recently there has been a rapid increase in approaches to assess the effects of cigarette smoke in vitro. Despite a range of gravimetric and chemical methods, there is a requirement to identify simpler and more reliable methods to quantify in vitro whole smoke dose, to support extrapolation and comparisons to human/in vivo dose. We have previously characterised an in vitro exposure s...
متن کاملForeignBodies in the Tracheobronchial Tree
1 Blanchs L, Fernández R, Artigas A. The effect of autoPEEP on the PaCO2-PetCO2 gradient and expired CO2 slope in critically ill patients during total vemstilatory support. J Crit Care (in press) 2 Marini JJ. Should PEEP be used in airflow ol)struction? Am Rev Respir Dis 1989; 140:1-3 3 Smith TC, Marini JJ. Impact of PEEP o)n lung mechanics and wo)rk of breathing in severe airflow o)l)structio...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Aerosol Science and Technology
سال: 1994
ISSN: 0278-6826,1521-7388
DOI: 10.1080/02786829408959678