lyme disease emergence in québec 2004: 2 cases 2013: near 140 cases
DESCRIPTION
A multi-criteria decision analysis as an innovative approach to managing Lyme disease May 29 th , 2014. Cécile Aenishaenslin, Valérie Hongoh, Hassane Djibrilla Cissé , Anne Gatewood Hoen, Karim Samoura, Pascal Michel, Jean-Philippe Waaub, Denise Bélanger. Background. - PowerPoint PPT PresentationTRANSCRIPT
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A multi-criteria decision analysis as an innovative approach to managing Lyme disease
May 29th, 2014
Cécile Aenishaenslin, Valérie Hongoh, Hassane Djibrilla Cissé, Anne Gatewood Hoen, Karim Samoura, Pascal
Michel, Jean-Philippe Waaub, Denise Bélanger
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Lyme disease Emergence in Québec
2004: 2 cases2013: near 140 cases
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Background
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EnvironmentalSocial
Economic
Complex ecology
What public health actions are the most
appropriate in Quebec?
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Plan
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Research objectives
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1. To prioritize potential Lyme disease management actions using a multicriteria decision analysis (MCDA)
2. To evaluate the opportunities and challengesassociated with the use of MCDA for public health planning
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Plan
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Methods
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MCDA
Quantitative & qualitative
Participatory approach
Complexity
Rank alternatives
Multiple decision criteria
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Plan
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Methods
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1. Define the problem
2. Identify stakeholders
3. Identify important issues
4. Define criteria and indicators
5. Identify alternatives
6. Evaluate performance of alternatives
7. Weight criteria
8. Conduct decision analysis
9. Perform sensitivity analysis
10. Interpret the results
Problem structuring
Decision analysis
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Plan
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Results
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What public health actions should be prioritized in a context of LD emergence in the province of Quebec?
• Québec National Institute of Public Health• National Public Health Laboratory• Ministry of Agriculture, Fisheries and Food• Ministry of Natural Resources and Wildlife• Montérégie Regional Board of Health and
Social Services• Academic Expert
1- What surveillance actions are the most appropriate?2- What control actions are the most appropriate?
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Plan
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Public health• PHC1 Reduction in incidence of human cases• PHC2 Reduction in entomological risk• PHC3 Impacts of adverse health effects
Animal and environmental health • AEC1 Impact on habitat• AEC2 Impact on wildlife
Social impact• SIC1 Level of public acceptance• SIC2 Proportion of population benefitting from intervention
Strategic, economic and operational impact• SEC1 Cost to the public sector• SEC2 Cost to the private sector• SEC3 Delay before results• SEC4 Complexity• SEC5 Impact on organisation’s credibility
(1) days; (2) weeks; (3) months; (4) years
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Plan
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Results
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CONT0 Basic risk communications CONT1a Small scale acaricide application CONT1b Large scale acaricide application CONT2 Application of insecticidal soapCONT3a Small scale Landscaping CONT3b Large scale Landscaping CONT4 Topical acaricide to deer (4-poster)CONT5 Feed-administered ivermectin to deer CONT6a Deer huntingCONT6b Deer cullingCONT7 Exclusion of deer by fencingCONT8 Topical acaricide to rodents (Damminix)CONT9 Topical acaricide to rodents (Bait boxes)CONT10 Excluding people from high-risk public areasCONT11 Human vaccinationCONT12 Making available special Lyme disease clinics
Inclusion of control actions oriented toward:
• Environment• Vector hosts • Human populations
Performance matrix
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PlanResults
Individual weighting of each criteria
Stakeholders weights for each category of criteria
Public healthAnimal and environmentalSocial impactsStrategic & operationnal
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PlanResults
Group ranking
Action profiles
Performance matrix Stakeholders weights
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PlanResults
Actions Rank Score
CONT0 Basic risk communications 1 0.43CONT11 Human vaccination 2 0.31CONT3a Small scale landscaping 3 0.28CONT10 Excluding people from high-risk public areas 4 0.25CONT12 Making available special Lyme disease clinics 5 0.23CONT4 Topical acaricide to deer (4-poster) 6 0.03CONT7 Exclusion of deer by fencing 7 -0.04CONT1a Small scale acaricide application 7 -0.04CONT3b Large scale Landscaping 8 -0.07CONT1b Large scale acaricide application 9 -0.08CONT2 Application of desiccants 10 -0.14CONT5 Feed-administered ivermectin to deer 11 -0.15CONT8 Topical acaricide to rodents (Damminix) 12 -0.22CONT9 Topical acaricide to rodents (Bait boxes) 12 -0.22CONT6a Deer hunting 13 -0.25CONT6b Deer culling 14 -0.33
Group ranking of actions
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PlanResults
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Actions profiles
Public healthAnimal and environmentalSocial impactsStrategic & operationnal
Small scale landscaping Human vaccination
Aenishaenslin et al.,2013. Multi-criteria decision analysis as an innovative approach to managing zoonoses: results from a study on Lyme disease in Canada. BMC Public Health, 13:897.
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PlanMCDA strengths
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MCDA
Quantitative & qualitative
Participatory approachComplexity
Knowledge gaps
One Health
Rank alternatives
Multiple decision criteria
Institutional empowerment
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PlanKey messages
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• MCDA is an interesting tool to support
‘Evidence-based public health’ for complex public health issues
• Each MCDA step produces a valuable result
• The model could be generalized for other VB/zoonosic disease
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PlanMerci! Thank you!
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Thanks to all stakeholders and experts and the Lyme-MCDA Consortium:
Nathalie CôtéAnnie Doucet
Cécile FerrouilletAnne Fortin
Francis GirardPierre GosselinFrançois MilordLouise TrudelNick Ogden
Patrick Leighton Jules Koffi
Catherine BouchardAnne-Laure Bouvier
The realization of this project was made possible by financial contribution of the Public Health Agency of Canada (PHAC). The sights expressed here do not reflect the official position of the PHAC.
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PlanResults
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Plan
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Additional slide
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Ogden et al., 2014
Lyme disease cases in Canada, 1994-2012
Direction de la santé publique de la Montérégie, 2013
Lyme disease cases in Québec, 2004-2013
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PlanAdditional slide
Action PHC1 PHC2 PHC3 AEC1 AEC2 SIC1 SIC2 SEC1 SEC2 SEC3 SEC4 SEC5
CONT0 1 0 0 1 1 3 4 1 0 3 1 1CONT1a 2 3 2 16 8 2 1 1 1 2 4 3CONT1b 2 3 2 48 18 2 4 2 0 2 4 3CONT2 1 2 2 24 8 2 1 1 0 2 4 2CONT3a 2 3 1 20 4 3 1 1 0 2 4 2CONT3b 2 3 2 30 9 2 1 1 0 2 4 3CONT4 2 3 2 3 12 3 1 2 1 4 4 2CONT5 1 2 2 3 12 3 1 1 1 4 4 3CONT6a 0 2 2 3 18 2 2 0 0 4 4 3CONT6b 1 2 2 3 27 1 2 2 0 4 4 4CONT7 1 2 0 12 6 3 1 2 2 4 4 2CONT8 0 1 2 3 8 3 1 2 1 3 4 2CONT9 0 1 2 3 8 3 1 2 1 3 4 2CONT10 1 0 0 3 1 3 3 0 0 2 4 3CONT11 2 0 2 1 1 3 3 1 0 2 5 2CONT12 0 0 0 1 1 4 3 1 0 2 5 2
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PlanAdditional slideGAIA decision map under the emergence scenario
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