Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery

Khaled M. Musallam, Frits R. Rosendaal, Ghazi Zaatari, Assaad Soweid, Jamal J. Hoballah, Pierre M. Sfeir, Salah Zeineldine, Hani M. Tamim, Toby Richards, Donat R. Spahn, Luca A. Lotta, Flora Peyvandi, Faek R. Jamali

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Abstract

IMPORTANCE: The effects of smoking on postoperative outcomes in patients undergoing major surgery are not fully established. The association between smoking and adverse postoperative outcomes has been confirmed. Whether the associations are dose dependent or restricted to patients with smoking-related disease remains to be determined. OBJECTIVE: To evaluate the association between current and past smoking on the risk of postoperative mortality and vascular and respiratory events in patients undergoing major surgery. DESIGN: Cohort study using the American College of Surgeons National Surgical Quality Improvement Program database.We obtained data on smoking history, perioperative risk factors, and 30-day postoperative outcomes.We assessed the effects of current and past smoking (>1 year prior) on postoperative outcomes after adjustment for potential confounders and effect mediators (eg, cardiovascular disease, chronic obstructive pulmonary disease, and cancer).We also determined whether the effects are dose dependent through analysis of pack-year quintiles. SETTING AND PARTICIPANTS: A total of 607 558 adult patients undergoing major surgery in non-Veterans Affairs hospitals across the United States, Canada, Lebanon, and the United Arab Emirates during 2008 and 2009. MAIN OUTCOMES AND MEASURES: The primary outcome measurewas 30-day postoperative mortality; secondary outcome measures included arterial events (myocardial infarction or cerebrovascular accident), venous events (deep vein thrombosis or pulmonary embolism), and respiratory events (pneumonia, unplanned intubation, or ventilator requirement >48 hours). RESULTS: The sample included 125 192 current (20.6%) and 78 763 past (13.0%) smokers. Increased odds of postoperative mortality were noted in current smokers only (odds ratio, 1.17 [95%CI, 1.10-1.24]). When we compared current and past smokers, the adjusted odds ratios were higher in the former for arterial events (1.65 [95%CI, 1.51-1.81] vs 1.20 [1.09-1.31], respectively) and respiratory events (1.45 [1.40-1.51] vs 1.13 [1.08-1.18], respectively). No effects on venous events were observed. The effects of smoking mediated through smoking-related disease were minimal. The increased adjusted odds of mortality in current smokers were evident from a smoking history of less than 10 pack-years, whereas the effects of smoking on arterial and respiratory events were incremental with increased pack-years. CONCLUSIONS AND RELEVANCE: Smoking cessation at least 1 year before major surgery abolishes the increased risk of postoperative mortality and decreases the risk of arterial and respiratory events evident in current smokers. These findings should be carried forward to evaluate the value and cost-effectiveness of intervention in this setting. Our study should increase awareness of the detrimental effects of smoking - and the benefits of its cessation - on morbidity and mortality in the surgical setting.

Original languageEnglish
Pages (from-to)755-762
Number of pages8
JournalJAMA Surgery
Volume148
Issue number8
DOIs
Publication statusPublished - 1 Aug 2013
Externally publishedYes

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Blood Vessels
Smoking
Mortality
Odds Ratio
Outcome Assessment (Health Care)
United Arab Emirates
Lebanon
Smoking Cessation
Mechanical Ventilators
Quality Improvement
Pulmonary Embolism
Intubation
Venous Thrombosis
Chronic Obstructive Pulmonary Disease
Cost-Benefit Analysis
Canada
Lung Neoplasms
Pneumonia
Cohort Studies
Cardiovascular Diseases

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Musallam, K. M., Rosendaal, F. R., Zaatari, G., Soweid, A., Hoballah, J. J., Sfeir, P. M., ... Jamali, F. R. (2013). Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery. JAMA Surgery, 148(8), 755-762. https://doi.org/10.1001/jamasurg.2013.2360
Musallam, Khaled M. ; Rosendaal, Frits R. ; Zaatari, Ghazi ; Soweid, Assaad ; Hoballah, Jamal J. ; Sfeir, Pierre M. ; Zeineldine, Salah ; Tamim, Hani M. ; Richards, Toby ; Spahn, Donat R. ; Lotta, Luca A. ; Peyvandi, Flora ; Jamali, Faek R. / Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery. In: JAMA Surgery. 2013 ; Vol. 148, No. 8. pp. 755-762.
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abstract = "IMPORTANCE: The effects of smoking on postoperative outcomes in patients undergoing major surgery are not fully established. The association between smoking and adverse postoperative outcomes has been confirmed. Whether the associations are dose dependent or restricted to patients with smoking-related disease remains to be determined. OBJECTIVE: To evaluate the association between current and past smoking on the risk of postoperative mortality and vascular and respiratory events in patients undergoing major surgery. DESIGN: Cohort study using the American College of Surgeons National Surgical Quality Improvement Program database.We obtained data on smoking history, perioperative risk factors, and 30-day postoperative outcomes.We assessed the effects of current and past smoking (>1 year prior) on postoperative outcomes after adjustment for potential confounders and effect mediators (eg, cardiovascular disease, chronic obstructive pulmonary disease, and cancer).We also determined whether the effects are dose dependent through analysis of pack-year quintiles. SETTING AND PARTICIPANTS: A total of 607 558 adult patients undergoing major surgery in non-Veterans Affairs hospitals across the United States, Canada, Lebanon, and the United Arab Emirates during 2008 and 2009. MAIN OUTCOMES AND MEASURES: The primary outcome measurewas 30-day postoperative mortality; secondary outcome measures included arterial events (myocardial infarction or cerebrovascular accident), venous events (deep vein thrombosis or pulmonary embolism), and respiratory events (pneumonia, unplanned intubation, or ventilator requirement >48 hours). RESULTS: The sample included 125 192 current (20.6{\%}) and 78 763 past (13.0{\%}) smokers. Increased odds of postoperative mortality were noted in current smokers only (odds ratio, 1.17 [95{\%}CI, 1.10-1.24]). When we compared current and past smokers, the adjusted odds ratios were higher in the former for arterial events (1.65 [95{\%}CI, 1.51-1.81] vs 1.20 [1.09-1.31], respectively) and respiratory events (1.45 [1.40-1.51] vs 1.13 [1.08-1.18], respectively). No effects on venous events were observed. The effects of smoking mediated through smoking-related disease were minimal. The increased adjusted odds of mortality in current smokers were evident from a smoking history of less than 10 pack-years, whereas the effects of smoking on arterial and respiratory events were incremental with increased pack-years. CONCLUSIONS AND RELEVANCE: Smoking cessation at least 1 year before major surgery abolishes the increased risk of postoperative mortality and decreases the risk of arterial and respiratory events evident in current smokers. These findings should be carried forward to evaluate the value and cost-effectiveness of intervention in this setting. Our study should increase awareness of the detrimental effects of smoking - and the benefits of its cessation - on morbidity and mortality in the surgical setting.",
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Musallam, KM, Rosendaal, FR, Zaatari, G, Soweid, A, Hoballah, JJ, Sfeir, PM, Zeineldine, S, Tamim, HM, Richards, T, Spahn, DR, Lotta, LA, Peyvandi, F & Jamali, FR 2013, 'Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery' JAMA Surgery, vol. 148, no. 8, pp. 755-762. https://doi.org/10.1001/jamasurg.2013.2360

Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery. / Musallam, Khaled M.; Rosendaal, Frits R.; Zaatari, Ghazi; Soweid, Assaad; Hoballah, Jamal J.; Sfeir, Pierre M.; Zeineldine, Salah; Tamim, Hani M.; Richards, Toby; Spahn, Donat R.; Lotta, Luca A.; Peyvandi, Flora; Jamali, Faek R.

In: JAMA Surgery, Vol. 148, No. 8, 01.08.2013, p. 755-762.

Research output: Contribution to journalArticle

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AU - Musallam, Khaled M.

AU - Rosendaal, Frits R.

AU - Zaatari, Ghazi

AU - Soweid, Assaad

AU - Hoballah, Jamal J.

AU - Sfeir, Pierre M.

AU - Zeineldine, Salah

AU - Tamim, Hani M.

AU - Richards, Toby

AU - Spahn, Donat R.

AU - Lotta, Luca A.

AU - Peyvandi, Flora

AU - Jamali, Faek R.

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N2 - IMPORTANCE: The effects of smoking on postoperative outcomes in patients undergoing major surgery are not fully established. The association between smoking and adverse postoperative outcomes has been confirmed. Whether the associations are dose dependent or restricted to patients with smoking-related disease remains to be determined. OBJECTIVE: To evaluate the association between current and past smoking on the risk of postoperative mortality and vascular and respiratory events in patients undergoing major surgery. DESIGN: Cohort study using the American College of Surgeons National Surgical Quality Improvement Program database.We obtained data on smoking history, perioperative risk factors, and 30-day postoperative outcomes.We assessed the effects of current and past smoking (>1 year prior) on postoperative outcomes after adjustment for potential confounders and effect mediators (eg, cardiovascular disease, chronic obstructive pulmonary disease, and cancer).We also determined whether the effects are dose dependent through analysis of pack-year quintiles. SETTING AND PARTICIPANTS: A total of 607 558 adult patients undergoing major surgery in non-Veterans Affairs hospitals across the United States, Canada, Lebanon, and the United Arab Emirates during 2008 and 2009. MAIN OUTCOMES AND MEASURES: The primary outcome measurewas 30-day postoperative mortality; secondary outcome measures included arterial events (myocardial infarction or cerebrovascular accident), venous events (deep vein thrombosis or pulmonary embolism), and respiratory events (pneumonia, unplanned intubation, or ventilator requirement >48 hours). RESULTS: The sample included 125 192 current (20.6%) and 78 763 past (13.0%) smokers. Increased odds of postoperative mortality were noted in current smokers only (odds ratio, 1.17 [95%CI, 1.10-1.24]). When we compared current and past smokers, the adjusted odds ratios were higher in the former for arterial events (1.65 [95%CI, 1.51-1.81] vs 1.20 [1.09-1.31], respectively) and respiratory events (1.45 [1.40-1.51] vs 1.13 [1.08-1.18], respectively). No effects on venous events were observed. The effects of smoking mediated through smoking-related disease were minimal. The increased adjusted odds of mortality in current smokers were evident from a smoking history of less than 10 pack-years, whereas the effects of smoking on arterial and respiratory events were incremental with increased pack-years. CONCLUSIONS AND RELEVANCE: Smoking cessation at least 1 year before major surgery abolishes the increased risk of postoperative mortality and decreases the risk of arterial and respiratory events evident in current smokers. These findings should be carried forward to evaluate the value and cost-effectiveness of intervention in this setting. Our study should increase awareness of the detrimental effects of smoking - and the benefits of its cessation - on morbidity and mortality in the surgical setting.

AB - IMPORTANCE: The effects of smoking on postoperative outcomes in patients undergoing major surgery are not fully established. The association between smoking and adverse postoperative outcomes has been confirmed. Whether the associations are dose dependent or restricted to patients with smoking-related disease remains to be determined. OBJECTIVE: To evaluate the association between current and past smoking on the risk of postoperative mortality and vascular and respiratory events in patients undergoing major surgery. DESIGN: Cohort study using the American College of Surgeons National Surgical Quality Improvement Program database.We obtained data on smoking history, perioperative risk factors, and 30-day postoperative outcomes.We assessed the effects of current and past smoking (>1 year prior) on postoperative outcomes after adjustment for potential confounders and effect mediators (eg, cardiovascular disease, chronic obstructive pulmonary disease, and cancer).We also determined whether the effects are dose dependent through analysis of pack-year quintiles. SETTING AND PARTICIPANTS: A total of 607 558 adult patients undergoing major surgery in non-Veterans Affairs hospitals across the United States, Canada, Lebanon, and the United Arab Emirates during 2008 and 2009. MAIN OUTCOMES AND MEASURES: The primary outcome measurewas 30-day postoperative mortality; secondary outcome measures included arterial events (myocardial infarction or cerebrovascular accident), venous events (deep vein thrombosis or pulmonary embolism), and respiratory events (pneumonia, unplanned intubation, or ventilator requirement >48 hours). RESULTS: The sample included 125 192 current (20.6%) and 78 763 past (13.0%) smokers. Increased odds of postoperative mortality were noted in current smokers only (odds ratio, 1.17 [95%CI, 1.10-1.24]). When we compared current and past smokers, the adjusted odds ratios were higher in the former for arterial events (1.65 [95%CI, 1.51-1.81] vs 1.20 [1.09-1.31], respectively) and respiratory events (1.45 [1.40-1.51] vs 1.13 [1.08-1.18], respectively). No effects on venous events were observed. The effects of smoking mediated through smoking-related disease were minimal. The increased adjusted odds of mortality in current smokers were evident from a smoking history of less than 10 pack-years, whereas the effects of smoking on arterial and respiratory events were incremental with increased pack-years. CONCLUSIONS AND RELEVANCE: Smoking cessation at least 1 year before major surgery abolishes the increased risk of postoperative mortality and decreases the risk of arterial and respiratory events evident in current smokers. These findings should be carried forward to evaluate the value and cost-effectiveness of intervention in this setting. Our study should increase awareness of the detrimental effects of smoking - and the benefits of its cessation - on morbidity and mortality in the surgical setting.

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Musallam KM, Rosendaal FR, Zaatari G, Soweid A, Hoballah JJ, Sfeir PM et al. Smoking and the risk of mortality and vascular and respiratory events in patients undergoing major surgery. JAMA Surgery. 2013 Aug 1;148(8):755-762. https://doi.org/10.1001/jamasurg.2013.2360