Smoking cessation is associated with an increase in exhaled nitric oxide

Richard A. Robbins, Tajuddin Millatmal, Krishan Lassi, Stephen Rennard, David Daughton

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

Study objectives: Nitric oxide (NO), a gas produced by cells lining the respiratory tract, has been reported to be decreased in the exhaled air of cigarette smokers. We hypothesized that smoking cessation would result in an increase in exhaled NO. Design: Comparison of exhaled NO measured from nonsmokers, cigarette smokers, and smokers after smoking cessation. Setting: University outpatient smoking cessation clinic. Patients or participants: Twenty-five cigarette smokers and 23 normal, nonsmokers. Interventions: Exhaled NO was measured by three techniques: (1) a peak oral method; (2) a mean oral method; and (3) a nasal method. The smokers were given nicotine patches and instructed to return after 1 and 8 weeks. The exhaled NO determinations were repeated on each visit. Measurements and results: Compared with nonsmokers, smokers bad decreased NO levels measured by all three methods (p<0.05, each comparison). Nineteen smokers returned after 1 week. Fourteen were successfully abstinent from cigarettes and their exhaled NO increased compared with baseline (p<0.01 for each method) but not in the five subjects who had not successfully quit smoking (p>0.05 for each method). Ten subjects returned after 8 weeks. The exhaled NO levels increased further and were not significantly different from the normal nonsmokers for the peak oral and nasal NO methods (p>0.2), but were still lower than the normal nonsmoker mean oral NO (p=0.018). Conclusions: These data demonstrate that smoking cessation is associated with an increase in exhaled NO.

Original languageEnglish (US)
Pages (from-to)313-318
Number of pages6
JournalChest
Volume112
Issue number2
DOIs
StatePublished - Jan 1 1997

Fingerprint

Smoking Cessation
Nitric Oxide
Tobacco Products
Nose
Tobacco Use Cessation Products
Respiratory System
Outpatients
Gases
Air

Keywords

  • Host defense
  • Inflammation
  • Nitric oxide
  • Smoking
  • Smoking cessation

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Robbins, R. A., Millatmal, T., Lassi, K., Rennard, S., & Daughton, D. (1997). Smoking cessation is associated with an increase in exhaled nitric oxide. Chest, 112(2), 313-318. https://doi.org/10.1378/chest.112.2.313

Smoking cessation is associated with an increase in exhaled nitric oxide. / Robbins, Richard A.; Millatmal, Tajuddin; Lassi, Krishan; Rennard, Stephen; Daughton, David.

In: Chest, Vol. 112, No. 2, 01.01.1997, p. 313-318.

Research output: Contribution to journalArticle

Robbins, RA, Millatmal, T, Lassi, K, Rennard, S & Daughton, D 1997, 'Smoking cessation is associated with an increase in exhaled nitric oxide', Chest, vol. 112, no. 2, pp. 313-318. https://doi.org/10.1378/chest.112.2.313
Robbins RA, Millatmal T, Lassi K, Rennard S, Daughton D. Smoking cessation is associated with an increase in exhaled nitric oxide. Chest. 1997 Jan 1;112(2):313-318. https://doi.org/10.1378/chest.112.2.313
Robbins, Richard A. ; Millatmal, Tajuddin ; Lassi, Krishan ; Rennard, Stephen ; Daughton, David. / Smoking cessation is associated with an increase in exhaled nitric oxide. In: Chest. 1997 ; Vol. 112, No. 2. pp. 313-318.
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