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Tobacco Cessation: Curb the Deadliest Epidemic Keith Bradley, MD Director, Research Associates Program at St. Vincent’s National Alliance of Research Associates Programs (NARAP)
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Nicotine-Related Pathology coronary artery peripheral vascular disease hypertension peptic ulcer disease fetal mortality and morbidity cancer
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Lung Cancer All lung cancers begin as small focus of uncontrolled cell division → thickening/piling up of bronchial mucosa.
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Lung Cancer Small cell Adenocarcinoma Squamous carcinoma Large cell carcinoma
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Small Cell Carcinoma
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20% of all lung cancers
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Small Cell Carcinoma 20% of all lung cancers highly aggressive, metastasizing early.
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Small Cell Carcinoma 20% of all lung cancers highly aggressive, metastasizing early. only 1% of cases occur in non-smokers
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Small Cell Carcinoma 20% of all lung cancers highly aggressive, metastasizing early. only 1% of cases occur in non-smokers incurable by surgery
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Small Cell Carcinoma 90% of small cell carcinomas begin in central airways
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Small Cell Carcinoma 90% of small cell carcinomas begin in central airways –consistent with smoking association
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Small Cell Carcinoma 90% of small cell carcinomas begin in central airways –consistent with smoking association Small cell staged as limited or extensive (spread outside chest)
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Small Cell Carcinoma 90% of small cell carcinomas begin in central airways –consistent with smoking association Small cell staged as limited or extensive (spread outside chest) –70% are extensive at diagnosis
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Adenocarcinoma
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About 40% of lung cancer cases in the US
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Adenocarcinoma About 40% of lung cancer cases in the US The most common lung cancer among women
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Adenocarcinoma About 40% of lung cancer cases in the US The most common lung cancer among women –number of new cases is increasing
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Adenocarcinoma About 40% of lung cancer cases in the US The most common lung cancer among women –number of new cases is increasing Usually starts near the outer edges of the lungs
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Adenocarcinoma About 40% of lung cancer cases in the US The most common lung cancer among women, –number of new cases is increasing Usually starts near the outer edges of the lungs Often metastasized at diagnosis
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Squamous Carcinoma
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25-30% of lung cancer cases in the US
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Squamous Carcinoma 25-30% of lung cancer cases in the US Occurs most frequently in men and the elderly
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Squamous Carcinoma 25-30% of lung cancer cases in the US Occurs most frequently in men and the elderly Usually starts in one of the larger breathing tubes
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Squamous Carcinoma 25-30% of lung cancer cases in the US Occurs most frequently in men and the elderly Usually starts in one of the larger breathing tubes Tends to grow relatively slowly
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Squamous Carcinoma 25-30% of lung cancer cases in the US Occurs most frequently in men and the elderly Usually starts in one of the larger breathing tubes Tends to grow relatively slowly Tends to remain localized in the chest longer than other types of lung cancer
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Squamous Carcinoma 25-30% of lung cancer cases in the US Occurs most frequently in men and the elderly Usually starts in one of the larger breathing tubes Tends to grow relatively slowly Tends to remain localized in the chest longer than other types of lung cancer Does not metastasize early
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Large Cell Carcinoma
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“Other” –tend to have larger cells than other types of lung cancer
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer 10-15% of lung cancer cases in the US
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer. 10-15% of lung cancer cases in the US Usually starts in the smaller breathing tubes
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer 10-15% of lung cancer cases in the US Usually starts in the smaller breathing tubes May occur in any part of the lung
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer. 10-15% of lung cancer cases in the US Usually starts in the smaller breathing tubes May occur in any part of the lung Tumors are usually large at diagnosis
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer. 10-15% of lung cancer cases in the US Usually starts in the smaller breathing tubes May occur in any part of the lung Tumors are usually large at diagnosis Tends to invade the mediastinum (chest area behind the breastbone)
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Large Cell Carcinoma “Other” –tend to have larger cells than other types of lung cancer Incidence appears to be decreasing –may be due to improvements in determining the types of lung cancer. 10-15% of lung cancer cases in the US Usually starts in the smaller breathing tubes May occur in any part of the lung Tumors are usually large at diagnosis Tends to invade the mediastinum (chest area behind the breastbone) Metastasizes to the central nervous system
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Nicotine Addiction
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Psychoactive
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient Euphoriant
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient Euphoriant –dose-related increases in scores on standard measures of euphoria.
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient Euphoriant –dose-related increases in scores on standard measures of euphoria. Reinforcer
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient Euphoriant –dose-related increases in scores on standard measures of euphoria. Reinforcer Neuroadaptation
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Nicotine Addiction Psychoactive –dose-related changes in mood and feeling –transient Euphoriant –dose-related increases in scores on standard measures of euphoria. Reinforcer Neuroadaptation –leading to tolerance and physiologic dependence.
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Nicotine Addiction nicotine from the use of tobacco has ≈ physical addiction potential as morphine
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Nicotine Addiction nicotine from the use of tobacco has ≈ physical addiction potential as morphine ≈ psychic dependence as cocaine
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Smokeless Tobacco pharmacokietics of nicotine (i.e., absorption, distribution, and elimination) from smoking and from smokeless tobacco → magnitude of nicotine exposure similar
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Tobacco Cessation
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Treating Tobacco Use and Dependence. U.S. Public Health Service. http://www.surgeongeneral.gov/tobacco/smo kesum.htm http://www.surgeongeneral.gov/tobacco/smo kesum.htm Guideline, Treating Tobacco Use and Dependence –based on the literature review and expert panel opinion
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Which Smokers Offered Cessation ? Because effective tobacco dependence treatments are available, every patient who uses tobacco should be offered at least one of these treatments: –Patients willing to try to quit tobacco use should be provided treatments identified as effective in this guideline. –Patients unwilling to try to quit tobacco use should be provided a brief intervention designed to increase their motivation to quit.
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Which Smokers Offered Cessation ? “It is essential that clinicians and health care delivery systems … institutionalize the consistent identification, documentation, and treatment of every tobacco user seen in a health care setting.”
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Brief Tobacco Dependence Tx
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should be: –effective
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Brief Tobacco Dependence Tx should be: –effective –offered to every patient who uses tobacco
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Brief Tobacco Dependence Tx should be: –effective –offered to every patient who uses tobacco Quitlines
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Brief Tobacco Dependence Tx should be: –effective –offered to every patient who uses tobacco Quitlines: –mandated by tobacco company settlements
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Brief Tobacco Dependence Tx should be: –effective –offered to every patient who uses tobacco Quitlines: –mandated by tobacco company settlements –about 30-40% effective
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Tx Dose-Response Relationship
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strong relationship between intensity of tobacco dependence counseling and its effectiveness
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Tx Dose-Response Relationship strong relationship between intensity of tobacco dependence counseling and its effectiveness person-to-person treatments (individual, group, or telephone counseling)
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Tx Dose-Response Relationship strong relationship between intensity of tobacco dependence counseling and its effectiveness person-to-person treatments (individual, group, or telephone counseling): –consistently effective
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Tx Dose-Response Relationship strong relationship between intensity of tobacco dependence counseling and its effectiveness person-to-person treatments (individual, group, or telephone counseling): –consistently effective – effectiveness increases with treatment intensity (e.g., minutes of contact)
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Types of Counseling and Behavioral Tx
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1.Provision of practical counseling (problem solving/skills training)
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Types of Counseling and Behavioral Tx 1.Provision of practical counseling (problem solving/skills training) 2.Provision of social support as part of tx (intra-treatment social support)
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Types of Counseling and Behavioral Tx 1.Provision of practical counseling (problem solving/skills training) 2.Provision of social support as part of tx (intra-treatment social support) 3.Help in securing social support outside of tx (extra-treatment social support)
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Pharmacotherapies
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Reliably increase long-term smoking abstinence
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Pharmacotherapies Reliably increase long-term smoking abstinence Nicotine –gum –inhaler –nasal spray –patch
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Pharmacotherapies Reliably increase long-term smoking abstinence Nicotine –gum –inhaler –nasal spray –patch “ Over-the-counter nicotine patches are effective relative to placebo, and their use should be encouraged.”
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Pharmacotherapies Reliably increase long-term smoking abstinence Nicotine –gum –inhaler –nasal spray –patch “ Over-the-counter nicotine patches are effective relative to placebo, and their use should be encouraged.” Bupropion (Wellbutrin) SR Other anti-depressants
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Effective Pharmacotherapies Except in the presence of contraindications, these should be used with all patients attempting to quit smoking.
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$ ?
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Insurers should include as a reimbursed benefit:
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$ ? Insurers should include as a reimbursed benefit: counseling and pharmacotherapeutic treatments identified as effective in this guideline.
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$ ? Insurers should include as a reimbursed benefit: counseling and pharmacotherapeutic treatments identified as effective in this guideline. clinicians for providing tobacco dependence treatment just as they are reimbursed for treating other chronic conditions.
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Clinicians and Tobacco Cessation About 20 years ago, data indicated that clinicians too frequently failed to intervene with their patients who smoke.
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Clinicians and Tobacco Cessation About 20 years ago, data indicated that clinicians too frequently failed to intervene with their patients who smoke. Recent data confirm this has not changed markedly over the past two decades.
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Clinicians and Tobacco Cessation One recent study reported: only 15 percent of smokers who saw a physician in the past year were offered assistance with quitting
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Clinicians and Tobacco Cessation One recent study reported: only 15 percent of smokers who saw a physician in the past year were offered assistance with quitting only 3 percent were given a follow-up appointment to address this topic.
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Bottom Line These evidence-based guidelines reveal:
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Bottom Line These evidence-based guidelines reveal: 1.multiple efficacious tobacco cessation tx exist
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Bottom Line These evidence-based guidelines reveal: 1.multiple efficacious tobacco cessation tx exist 2.these tx can double or triple the likelihood of long- term cessation
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Bottom Line These evidence-based guidelines reveal: 1.multiple efficacious tobacco cessation tx exist 2.these tx can double or triple the likelihood of long- term cessation 3.many cessation tx are appropriate for the primary care setting
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Bottom Line These evidence-based guidelines reveal: 1.multiple efficacious tobacco cessation tx exist 2.these tx can double or triple the likelihood of long- term cessation 3.many cessation tx are appropriate for the primary care setting 4.cessation tx are more cost-effective than many other reimbursed clinical interventions
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Bottom Line These evidence-based guidelines reveal: 1.multiple efficacious tobacco cessation tx exist 2.these tx can double or triple the likelihood of long- term cessation 3.many cessation tx are appropriate for the primary care setting 4.cessation tx are more cost-effective than many other reimbursed clinical interventions 5.utilization and impact of cessation treatments can be increased by supportive health system policies (e.g., coverage through insurance)
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