Lecture - Pathology Of Smoking

Question 1

Life expectancy and smoking at 70 year old

Answer 1

• 80% of non smokers have survived
• 50% of smokers have survived
• survivors to 75% yo: loss of 10% of longevity due to smoking

Question 2

Smoking and SES

Answer 2

• smoking decreases with SES

Question 3

• Tobacco smoking incidence

Answer 3

• decreases over the years

- children exposed to smoking decrease

Question 4

Tobacco smoking stats

Answer 4

• single most preventable cause of death
• hospitalisations and deaths > alcohol and illicit drug use
• 2003: 15.500 deaths attributable to tobacco smoking
• costs: 31.5 billion in tangible costs
• this is all decreasing

Question 5

Tobacco smoking and disease

Answer 5

• Cardiovascular disease
• respiratory disease
• Foetal compromise
• causes 90% of trachea, bronchus, lung cancer
• responsible for 30% of cancer deaths
• potentiates other carcinogenic exposures

Question 6

Cancer and smoking

Answer 6

• lip, oral cavity, pharynx - potentiated by alcohol consumption: 92%
• larynx: 82%
• trachea/bronchus/lung: 90%
• oesophagus: 80%
• urinary tract and bladder: 50%
• pancreas 30%
• Cervix 30%
• stomach 20%

Question 7

REspiratory diseases

Answer 7

• 90%
• increased incidence of infection: Sinusitis, URTI
• COAD: emphysema, chronic broncitis

Question 8

Cardiovascular disease

Answer 8

• hypertension
• atherosclerosis
• peripheral ischaemia
• Ischaemic heart disease
• cardiac arrest
• cerebrovascular disease
• specific vascular disease: thromboangiitis obliterans

Question 9

Foetal disease

Answer 9

• low birth weight
• prematurity
• increased incidence of spontaneous abortion
• premature rupture of membranes
• placenta praevia
• abruptio placentae
• SIDS

Question 10

Passive smoking incrases incidence of:

Answer 10

• carcinoma
• ischaemic heart disease
• MI
• in children: SIDS, URTI, middle ear infectins and asthma