580 likes | 743 Views
E N D
1. 1
2. 2
3. The Lessons of Columbus?
4. 4 Ethical Principles Organizing Principle: to protect and promote the public’s health
Ensure equity and distributive justice
Respect the inherent integrity of all persons
Use the least restrictive means
Optimize the risk benefit ratio
Work with transparency and accountability
5. 5 Life Expectancy at birth Many factors go into improving health outcomes:
Pease and stable ecosystem, food and shelter, education, sustainable resources, child development, working conditions, income and social status, health services, social supports
Hence, life expectancy in Canada has steadily improved and continues to rise.
Many factors go into improving health outcomes:
Pease and stable ecosystem, food and shelter, education, sustainable resources, child development, working conditions, income and social status, health services, social supports
Hence, life expectancy in Canada has steadily improved and continues to rise.
6. 6 Quality of Life Not only about how long we live, it’s about maximizing the number of healthy years we live.
Many ways to monitor: Well-being
Ability to Function
Healthy life expectancy
Historically, the significant improvement in life and quality of life expectations are due to: improved nutrition, more broad availability of adequate housing, smaller families, better sanitation and clean water, advent of pasteurization and immunization Not only about how long we live, it’s about maximizing the number of healthy years we live.
Many ways to monitor: Well-being
Ability to Function
Healthy life expectancy
Historically, the significant improvement in life and quality of life expectations are due to: improved nutrition, more broad availability of adequate housing, smaller families, better sanitation and clean water, advent of pasteurization and immunization
7. 7 A Global Perspective GDP & Life Expectancy
Source:
CIA World Fact Book (2004-2005 Data), Available at: http://www.odci.gov/cia/publications/factbook/rankorder/2004rank.html (Accessed April 2006),
The World Health Report, 2006 (2004 Data), World Health Organization. Available at: http://www.who.int/globalatlas/dataQuery/reportData.asp?rptType=1 (Accessed April 2006)
Source:
CIA World Fact Book (2004-2005 Data), Available at: http://www.odci.gov/cia/publications/factbook/rankorder/2004rank.html (Accessed April 2006),
The World Health Report, 2006 (2004 Data), World Health Organization. Available at: http://www.who.int/globalatlas/dataQuery/reportData.asp?rptType=1 (Accessed April 2006)
8. 8
9. 9 Historical Reasons for Improved Life expectancy Improved Nutrition
Adequate Housing
Smaller Families
Sanitation and Clean Water
Pasteurization and Immunization
10. 10 A balance of Approaches? Competing influences reducing CHD deaths
clinical treatments vs risk factors
evidence from studies in the USA, UK and New Zealand:
40% of the reduction comes from better treatments
50-60% from a reduction in risk factors
11. 11 Infant Mortality, Family Physicians, GDP and Health Spending in Canada NOTE: Slide without territories.
Source:
GP/FP: Canadian Medical Association, 2006
Infant Mortality: 2001 Rates, Statistics Canada, 2005
GPD: Statistics Canada, 2004
Health $ per capita: CIHI, 2005
NOTE: Slide without territories.
Source:
GP/FP: Canadian Medical Association, 2006
Infant Mortality: 2001 Rates, Statistics Canada, 2005
GPD: Statistics Canada, 2004
Health $ per capita: CIHI, 2005
12. 12 Cataract surgery- not all positive outcomes
Cataract surgery. Distribution of post-operative changes in Visual Function Assessment score. Data were missing for 3% of patients.
Interpretation:
Not all cataract surgeries produced positive patient outcomes; in fact the result is worse vision for approximately 26%. This study questions the appropriateness for surgery indications as the threshold for cataract surgery in this region is very low (the mean VFA was 79 in this study compared to a range of 64-77 reported elsewhere). Other international published studies of patients who received cataract surgery show worse outcomes ranging from 5.5% to 36.7%.
A few studies also have shown a significant change quality of life measures – both positive and negative. Measuring patient outcomes using the HRQOL and VFA are feasible, at reasonable cost and could be included into an accountability framework for health services.
Red Flags:
Critics may argue over the HRQOL used ie. methodology debate rather than outcome debate. Also the bias introduced by the lack of surgeon participation in the second study should only bias in the favour of potentially more negative HRQOL changes being identified.
Cataract surgery. Distribution of post-operative changes in Visual Function Assessment score. Data were missing for 3% of patients.
Interpretation:
Not all cataract surgeries produced positive patient outcomes; in fact the result is worse vision for approximately 26%. This study questions the appropriateness for surgery indications as the threshold for cataract surgery in this region is very low (the mean VFA was 79 in this study compared to a range of 64-77 reported elsewhere). Other international published studies of patients who received cataract surgery show worse outcomes ranging from 5.5% to 36.7%.
A few studies also have shown a significant change quality of life measures – both positive and negative. Measuring patient outcomes using the HRQOL and VFA are feasible, at reasonable cost and could be included into an accountability framework for health services.
Red Flags:
Critics may argue over the HRQOL used ie. methodology debate rather than outcome debate. Also the bias introduced by the lack of surgeon participation in the second study should only bias in the favour of potentially more negative HRQOL changes being identified.
13. 13 Getting a New Heart? Cardiac transplantation showed a survival benefit only for patients with a predicted high risk of dying on the waiting list - (Deng, De Meester, Smits, Heinecke and Scheld on behalf of the Comparative Outcome and Clinical Profiles in Transplantation (COCPIT) Study Group, BMJ 2000;321:540-5)
-Transplantation only improved survival of medium and high-risk patients compared with medical therapy - (Lim et al. Journal of Heart and Lung Transplant 2005;24(8):983-989)
-A survival benefit is anticipated only for severely ill patients (Krakauer, Lin and Bailey Journal of Heart and Lung Transplantation 2005;24(6):680-689).
14. 14 Stress Test Screening Cost per Year of Life Saved___
Male 60 yr. $24,600
Female 40 yr. $216,000 Source:Source:
15. 15 What Can Be Done About Accidental Deaths in Children
Where Better or More Timely Treatment Might Have Made A Difference? 20% HSC Source: HSCSource: HSC
16. 16
17. 17 The Health of the Population
Peace and Stable Ecosystem
Food and Shelter
Education
Sustainable Resources
Child Development
Working Conditions
Choices and Coping
Income and Social Status
Health Services
Social Support Network
18. 18 Mortality and Relationships
19. 19 Future Cause of Death Before Age 70 Among 100,000 Smokers Now Aged 15
20. 20 Cultural Factors:
Self-government
Land claim participation
Education *
Health services *
Cultural facilities *
Police/fire services *
* In the presence of community control Aboriginal Youth Suicide by Factors Present In the 5-year study window:
When no cultural factors were present a suicide rate of 137.5 per 100,000 was found
When all 6 cultural factors were present there were no suicides within the study time frame
Overall, their analysis found a strong linear relationship between suicide risk and the number of cultural factors present.
Source: Chandler, MJ, and Lalonde, C. 1998. Cultural continuity as a hedge against suicide in Canada’s First Nations. Transcultural Psychiatry, 35(2), pp. 191-219.
In the 5-year study window:
When no cultural factors were present a suicide rate of 137.5 per 100,000 was found
When all 6 cultural factors were present there were no suicides within the study time frame
Overall, their analysis found a strong linear relationship between suicide risk and the number of cultural factors present.
Source: Chandler, MJ, and Lalonde, C. 1998. Cultural continuity as a hedge against suicide in Canada’s First Nations. Transcultural Psychiatry, 35(2), pp. 191-219.
21. 21 Policy in the New Age? “We must do something; This is something; Let's do this”
“First do no harm”?
22. 22 Sign illustrates importance of not letting a possible hazard distract us from a very real, already existing, major hazard.Sign illustrates importance of not letting a possible hazard distract us from a very real, already existing, major hazard.
23. Traps Macro Avoidance
Micro Paralysis
24. Distortions Health Imperialism
Health Determinism
25. 25 Public Health Functions(Not Just Programs but a way of understanding populations problems and their solutions)
Population Health Assessment
Disease & Injury Surveillance
Health Promotion
Disease and Injury Prevention
Health Protection
Emergency Preparedness & Response
26. 26 Prevention and Health Promotion Focus and Misconceptions Focus =Healthiest Population per Resources
Health Has Inherent Worth, However Achieved
Greatest Health from Outside of Health Services
Not a Panacea - Both Benefits and Liabilities
Not Last Resort of Failed Treatment
Spectrum = Promote-Prevent-Treat-Care
Expertise?- It’s Easy To Do, Poorly
27. 27 Addressing The Determinants Partner- Who can we work with, to do it better together?
Advocate- What needs to be done at policy legislative level?
Cheerlead- Encouraging and not getting in the way.
Enable- What we do directly to change the determinants
Mitigate- Picking up some of the pieces, so it isn’t worse
28. 28
29. Saskatchewan Hepatitis A 1994 - 1999
30. 30 Health Benefits for Low Income Families SK working poor in better health than on social assist
Family Health Benefits results in better health management
Hospital and physician use was lowest among the FHB
Prescription drugs, chiropractic and optometric increased
Poor health status may precede receipt of welfare (health status measured by physician service use)
- all support the need to use a population health approach to health policy and planning (as the authors indicate)
31. 31 A problem? Breakdown of community and social supports
Mental wellbeing
Vision and focus on the public good?
55% of adults inactive
36% of adults overweight
23% of adults obese
Tobacco-use remains highest health risk
2,700 babies with FASD every year
11% of youth that drink =frequent binge drinking
Etc. Despite the efforts and accomplishments of the many programs that are provided across Canada, the following data raise serious concerns about the future health of Canadians.
55% of Canadians are not physically active or moderately active (CCHS, 2004);
36% of adult Canadians are overweight and 23% are obese (CCHS, 2004);
The eating habits of adult Canadians fall substantially short of standards for good nutrition as recommended by Canada’s Food Guide.
Tobacco-use remains the risk factor, which contributes the most towards the burden of disease in Canada;
The incidence of FASD is about 9 per 1,000 live births (ref. Chudley et al. in CMAJ March 1, 2005) or 2,700 babies each year; and
11% of school-aged youth who drink, report frequent binge drinking (2 to 3 times per month)..
NOTES:
Only 33.4 % of Canadians consume the recommended number of servings of fruits and vegetables per day (CCHS, 2004).Despite the efforts and accomplishments of the many programs that are provided across Canada, the following data raise serious concerns about the future health of Canadians.
55% of Canadians are not physically active or moderately active (CCHS, 2004);
36% of adult Canadians are overweight and 23% are obese (CCHS, 2004);
The eating habits of adult Canadians fall substantially short of standards for good nutrition as recommended by Canada’s Food Guide.
Tobacco-use remains the risk factor, which contributes the most towards the burden of disease in Canada;
The incidence of FASD is about 9 per 1,000 live births (ref. Chudley et al. in CMAJ March 1, 2005) or 2,700 babies each year; and
11% of school-aged youth who drink, report frequent binge drinking (2 to 3 times per month)..
NOTES:
Only 33.4 % of Canadians consume the recommended number of servings of fruits and vegetables per day (CCHS, 2004).
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37 New and re-emerging Epidemics -Principles Cannot completely prevent, but can reduce by addressing underlying determinants
All emergencies are messy, but the mess should be as short as possible
Basic Capacity for Outbreaks is the same as for Prevention of Chronic Disease and Infection
Those who die are largely those with chronic disease, poor health or poverty
Organization and Flexibility - rapid research and analysis, control and prevention
38. 38 Infections in history … a sampler 1/3 of Europe killed by plague-Middle Ages
90-95% pop of Americas lost post-contact
Napoleon and Typhus in Russia
40,000 child deaths/ day-inf. and malnutrition
Afghan children 100X mort of US-Cdn. soldiers
HIV and Poverty in Africa
1 million deaths from Malaria/year etc. etc.
39. 39
40. 40
41. 41 Estimates of Health Impacts in Canada During a Pandemic
11,000 to 58,000 deaths
34,000 to 138,000 hospitalizations
2 to 5 million outpatients
(Most deaths due to secondary infections, e.g. pneumonia)
Economic costs:
health care: $330 million to $1.4 billion
societal (lost productivity): $5 to $38 billion We cannot predict the impact of the next pandemic; impacts of previous pandemics have been very different.
However, simple statistical models that project estimates based on a set of assumptions are helpful for planning purposes.
The estimated economic impact of a pandemic influenza in Canada would be $10 to 24 billion ($5-38), excluding disruptions to commerce and society. The economic impact includes direct medical costs associated with hospitalizations, outpatient visits and drug purchases. The principal indirect cost was lost productivity i.e time off work, economic cost of a death.
When a pandemic happens, financial markets will prove as vulnerable as unvaccinated humansWe cannot predict the impact of the next pandemic; impacts of previous pandemics have been very different.
However, simple statistical models that project estimates based on a set of assumptions are helpful for planning purposes.
The estimated economic impact of a pandemic influenza in Canada would be $10 to 24 billion ($5-38), excluding disruptions to commerce and society. The economic impact includes direct medical costs associated with hospitalizations, outpatient visits and drug purchases. The principal indirect cost was lost productivity i.e time off work, economic cost of a death.
When a pandemic happens, financial markets will prove as vulnerable as unvaccinated humans
42. 42 Pandemic Canada 1918-19 By today’s population: 150-160,000 deaths…but
General better health and nutrition
Antibiotics for secondary infections
Vaccines and anti-virals
Not post WWI – Magnified in trenches & mass population movements
Not multiple underlying infections
Good health care and better understanding
However, many developing countries similar
43. 43 Just in Case Medicine? 1 Antivirals for Prophylaxis- lack of studies to demonstrate effectiveness
Risk of earlier resistance?
May not be effective against pandemic virus
Side effects
Ability to deliver?
Who gets and why?
44. 44 Just in Case Medicine? 2 N95 vs surgical masks
(possible exceptions-eg high risk procedure., cull infected birds)
Droplet Spread (practical difference between demonstrating can find virus and that it actually causes infection by other means)
N95 proper fit needed and difficult to wear long term
May actually increase risk in wrong setting
Supply and access issues
45. 45 Large Cities on a sunny day
46. 46 CO2 in at least the past 650,000 years The human influence on the climate system is primarily through the effect of greenhouse gas and aerosol emissions on the make-up of the atmosphere and its role in the climate system.
Atmospheric concentrations of greenhouse gases, which insulate the earth from heat loss to space, have been in remarkable balance over the past millennium. This is illustrated by the measurements of CO2 concentrations extracted from fossilized air in polar ice sheets, as shown, but also applies to other key greenhouse gases.
In fact, concentrations of carbon dioxide (the most important of these greenhouse gases) appear to have never exceeded 300 ppm during at least the last 650,000 years.
However, during the past century, its concentrations have increased by 31%. Other gases have also increased dramatically.
There is clear evidence that these increases are due to human emissions, primarily from combustion of fossil fuels for energy purposes and due to deforestation.
Data source: CDIAC online
The human influence on the climate system is primarily through the effect of greenhouse gas and aerosol emissions on the make-up of the atmosphere and its role in the climate system.
Atmospheric concentrations of greenhouse gases, which insulate the earth from heat loss to space, have been in remarkable balance over the past millennium. This is illustrated by the measurements of CO2 concentrations extracted from fossilized air in polar ice sheets, as shown, but also applies to other key greenhouse gases.
In fact, concentrations of carbon dioxide (the most important of these greenhouse gases) appear to have never exceeded 300 ppm during at least the last 650,000 years.
However, during the past century, its concentrations have increased by 31%. Other gases have also increased dramatically.
There is clear evidence that these increases are due to human emissions, primarily from combustion of fossil fuels for energy purposes and due to deforestation.
Data source: CDIAC online
47. 47 Analysis of intense storm events, based on surface pressure below 970 mb, indicate a significant increase in extreme winter storms in the last few decades.
There are significant concerns about the quality of the historical data used for this study.
However, experts suggest trends are too large to be explained by data problems.
Analysis of intense storm events, based on surface pressure below 970 mb, indicate a significant increase in extreme winter storms in the last few decades.
There are significant concerns about the quality of the historical data used for this study.
However, experts suggest trends are too large to be explained by data problems.
48. 48 The above trends are primarily due to losses associated with weather disasters. However, the most recent pentad includes ~$100B for the Kobe earthquake disaster.
While the industry suggests that much of the increase can be attributed to demographic factors, it is convinced that a significant factor is more frequent extremes.
The climatological data for extreme weather events, particularly those associated with multiple climate factors, are inadequate to properly analyze long term trends for all events.
The above trends are primarily due to losses associated with weather disasters. However, the most recent pentad includes ~$100B for the Kobe earthquake disaster.
While the industry suggests that much of the increase can be attributed to demographic factors, it is convinced that a significant factor is more frequent extremes.
The climatological data for extreme weather events, particularly those associated with multiple climate factors, are inadequate to properly analyze long term trends for all events.
49. 49 Warming Effects and Health Change in Disease Patterns
Change in Eco Systems
Water Quality
Air Quality
Extremes of Weather Events
Social Migration
50. 50 Social Migration Job Displacement
Land Values
Population Shifts
Disease patterns
Social structures
Economic changes
51. 51
52. 52 WHO Estimated Mortality for Year 2000 Attributable to Climate Change
53. 53 Ethical Principles Organizing Principle: to protect and promote the public’s health
Ensure equity and distributive justice
Respect the inherent integrity of all persons
Use the least restrictive means
Optimize the risk benefit ratio
Work with transparency and accountability
54. 54 Working Group on PH Ethics Identify and review Agency initiatives pertaining to ethics
Strategy & Framework to support ethical decision-making
Options and strategies to implement ethics review mechanisms
Contribute to national strategy for public health ethics
55. 55
56. 56
57. 57 Surviving Health Reform Embrace the Forest
Engage in Reflective Practice
Current Problems Often Were Once Solutions
The Simple Answer is: There Are No Simple Answers, (But There Are Answers)
There Is Only One Answer (And That Is- There Is More Than One Solution)
Focus on Application and Dissemination
58.