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National Green Theatres Programme
NHS SCOTLAND EMISSIONS 577,700 tCO2e
THIS IS 5% OF SCOTLAND’S CARBON FOOTPRINT
High emission clinical care pathways
 Renal Medicine
 Respiratory Medicine
 Theatres & Anaesthetics
Green Theatres Programme
Building Sustainable Perioperative
pathways
3
>42 sustainability actions towards
Ideal green theatres
• Structures
• Systems & equipment
• Clinical practices & team culture
4
Approach
 Apply quality Improvement and implementation science
methodologies & frameworks to scale up mitigation efforts
 Evaluate impact of changes on policy & opportunities for
further emission savings
 Develop infrastructure and ethos that allows for circular
economy of goods.
 Procurement decisions include sustainability metrics
 Interventions are assessed using a health climate economic
model to assess full anthropogenic effect.
5
Ken B in 2016
• 8 hours of N2O/O2/Desflurane at 2l/min @ 1
MAC
= 4672km
in an average car
Anaesthetic Impact Calculator on the
App Store (apple.com)
6
Dr Kenneth Barker, Principal Environmental Anaesthetist SG
Ken B Today
• 8 hours of O2/sevoflurane at 0.5l/min @ 1
MAC
= 20km
in an average car
7
Dr Kenneth Barker, Principal Environmental Anaesthetist SG
8
• Proved annual system waste:
792,000, 723,528 and 358,268 litres at three NHS Lothian sites
respectively
• ~ 1039 tCO2e ANNUAL EMISSIONS
• Averted unnecessary capital expenditure
9
N2O mitigation at NHS Lothian
NHS LOTHIAN RESULTS:
Alifia Chakera, Founder the Nitrous Oxide Project
Developing a local
Nitrous Oxide Project
10
Lean Six Sigma
DMAIC Cycle
Incorporate lean tools:
 Decision Tree Analysis
 Process Mapping
Alifia Chakera, founder the Nitrous Oxide Project
• By 31 March 2021 16 sites reported piped N2O waste
• Annual volume waste 13.7million litres 95% of total
turnover
• Mitigation report developed for the Greener NHS
• Scottish N2O mitigation implementation plan released
UK & ROI RESULTS
National N2O mitigation waste reporting
Alifia Chakera Founder the Nitrous Oxide Project 11
Improvement & implementation
Anaesthetic Gases Mitigation
tCO2e 2018/19 2019/20 2020/21* 2021/22
Piped N2O 9,586 9,385 7,764 6,717
Volatiles 7,423 3,684 1,502 1,088
12
*Depressed levels due to Covid 19 & reduction in through put.
13 |
Validate the need for AGSS given 20-30 air exchanges/hr
• Absence of nitrous oxide
• Low gas flow volatile anaesthesia
• Presence of Volatile Capture technologies
Impact of changes & National Policy
Sustainable Procurement
• Environmental
Sustainability 30%
• User convenience 30%
• Security of Supply 20%
• Cost 20%
Norway
• Environment &
Sustainability 20%
• Capacity 25%
• Access to product 25%
• Price 30%
14
UN
Bengt Mattson, Chairman of the European Trade Associations Joint Task Force on
Pharmaceuticals in the Environment (IAI PIETF)
NSS Procurement
• 5-8% discretionary environmental weighting if
deemed relevant by clinical advisory panel
• Cost is still primary driver
• Sustainability procurement tools under
revision
• BUT SUSTAINABILTY IS A BARGAIN
15
16
17
Health Climate Economics
• Health Technology Assessment organisations
do not include a sustainability variable in
assessing treatment or intervention.
• A sustainability variable includes the harm
caused by the agent on the environment
paradoxically harming health
A.Chakera https://doi.org/10.1136/bmj.n2922
18
Ecotoxicity:
How do medicines get into the environment?
• Consumption / use of medicines (90%)
Between 30-100% of an oral dose can be excreted as
an active substance in urine into waste water system
• Improper disposal (~5%)
Many unused or unwanted medicines get
flushed down toilets
• Production processes in pharmaceutical
industry (~5%)
19
Ecotoxicity of agents
Propofol
• Growth inhibition & death of
algae
• Acute toxicity in small
crustaceans and freshwater
fish
• Chronic exposure - it impacts
the survival, growth and
reproduction of Daphnia
magna
• Overall impact could be 60
times greater than
manufacturer assessment
estimate
Sugammadex
• Excreted in urine unchanged
• Highly likely to have significant
impact due to its ability to
bind to oestrogen and
progesterone.
• Potential as an endocrine
disruptor and the widespread
detection of EE2 in water
research is needed on whether
sugammadex is a source of
environmental harm from the
practice anaesthesia.
20
Mankes, R. Anesthesia & Analgesia: May 2012 - Volume 114 - Issue 5 - p 1091-1092
AstraZeneca (2017) Environmental Risk Assessment Data: Propofol.
A “non-toxic
environment”
Vision
To improve healthcare & the environment,
inform legislation, drive research &
innovation
Mission
Steering Group
One Health Breakthrough Partnership
https://ohbp.org/ 21
THANK YOU FOR YOUR TIME
@AlifiaChakera
@pharmdeclares
#nixthenitrous
www.linkedin.com/in/alifia-chakera
Email: Alifia.chakera.gov.scot
22

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8minSlideDeck National Green Theatres Programme (002).pptx

  • 2. NHS SCOTLAND EMISSIONS 577,700 tCO2e THIS IS 5% OF SCOTLAND’S CARBON FOOTPRINT High emission clinical care pathways  Renal Medicine  Respiratory Medicine  Theatres & Anaesthetics
  • 3. Green Theatres Programme Building Sustainable Perioperative pathways 3
  • 4. >42 sustainability actions towards Ideal green theatres • Structures • Systems & equipment • Clinical practices & team culture 4
  • 5. Approach  Apply quality Improvement and implementation science methodologies & frameworks to scale up mitigation efforts  Evaluate impact of changes on policy & opportunities for further emission savings  Develop infrastructure and ethos that allows for circular economy of goods.  Procurement decisions include sustainability metrics  Interventions are assessed using a health climate economic model to assess full anthropogenic effect. 5
  • 6. Ken B in 2016 • 8 hours of N2O/O2/Desflurane at 2l/min @ 1 MAC = 4672km in an average car Anaesthetic Impact Calculator on the App Store (apple.com) 6 Dr Kenneth Barker, Principal Environmental Anaesthetist SG
  • 7. Ken B Today • 8 hours of O2/sevoflurane at 0.5l/min @ 1 MAC = 20km in an average car 7 Dr Kenneth Barker, Principal Environmental Anaesthetist SG
  • 8. 8
  • 9. • Proved annual system waste: 792,000, 723,528 and 358,268 litres at three NHS Lothian sites respectively • ~ 1039 tCO2e ANNUAL EMISSIONS • Averted unnecessary capital expenditure 9 N2O mitigation at NHS Lothian NHS LOTHIAN RESULTS: Alifia Chakera, Founder the Nitrous Oxide Project
  • 10. Developing a local Nitrous Oxide Project 10 Lean Six Sigma DMAIC Cycle Incorporate lean tools:  Decision Tree Analysis  Process Mapping Alifia Chakera, founder the Nitrous Oxide Project
  • 11. • By 31 March 2021 16 sites reported piped N2O waste • Annual volume waste 13.7million litres 95% of total turnover • Mitigation report developed for the Greener NHS • Scottish N2O mitigation implementation plan released UK & ROI RESULTS National N2O mitigation waste reporting Alifia Chakera Founder the Nitrous Oxide Project 11
  • 12. Improvement & implementation Anaesthetic Gases Mitigation tCO2e 2018/19 2019/20 2020/21* 2021/22 Piped N2O 9,586 9,385 7,764 6,717 Volatiles 7,423 3,684 1,502 1,088 12 *Depressed levels due to Covid 19 & reduction in through put.
  • 13. 13 | Validate the need for AGSS given 20-30 air exchanges/hr • Absence of nitrous oxide • Low gas flow volatile anaesthesia • Presence of Volatile Capture technologies Impact of changes & National Policy
  • 14. Sustainable Procurement • Environmental Sustainability 30% • User convenience 30% • Security of Supply 20% • Cost 20% Norway • Environment & Sustainability 20% • Capacity 25% • Access to product 25% • Price 30% 14 UN Bengt Mattson, Chairman of the European Trade Associations Joint Task Force on Pharmaceuticals in the Environment (IAI PIETF)
  • 15. NSS Procurement • 5-8% discretionary environmental weighting if deemed relevant by clinical advisory panel • Cost is still primary driver • Sustainability procurement tools under revision • BUT SUSTAINABILTY IS A BARGAIN 15
  • 16. 16
  • 17. 17
  • 18. Health Climate Economics • Health Technology Assessment organisations do not include a sustainability variable in assessing treatment or intervention. • A sustainability variable includes the harm caused by the agent on the environment paradoxically harming health A.Chakera https://doi.org/10.1136/bmj.n2922 18
  • 19. Ecotoxicity: How do medicines get into the environment? • Consumption / use of medicines (90%) Between 30-100% of an oral dose can be excreted as an active substance in urine into waste water system • Improper disposal (~5%) Many unused or unwanted medicines get flushed down toilets • Production processes in pharmaceutical industry (~5%) 19
  • 20. Ecotoxicity of agents Propofol • Growth inhibition & death of algae • Acute toxicity in small crustaceans and freshwater fish • Chronic exposure - it impacts the survival, growth and reproduction of Daphnia magna • Overall impact could be 60 times greater than manufacturer assessment estimate Sugammadex • Excreted in urine unchanged • Highly likely to have significant impact due to its ability to bind to oestrogen and progesterone. • Potential as an endocrine disruptor and the widespread detection of EE2 in water research is needed on whether sugammadex is a source of environmental harm from the practice anaesthesia. 20 Mankes, R. Anesthesia & Analgesia: May 2012 - Volume 114 - Issue 5 - p 1091-1092 AstraZeneca (2017) Environmental Risk Assessment Data: Propofol.
  • 21. A “non-toxic environment” Vision To improve healthcare & the environment, inform legislation, drive research & innovation Mission Steering Group One Health Breakthrough Partnership https://ohbp.org/ 21
  • 22. THANK YOU FOR YOUR TIME @AlifiaChakera @pharmdeclares #nixthenitrous www.linkedin.com/in/alifia-chakera Email: Alifia.chakera.gov.scot 22

Editor's Notes

  1. Circa £130,000 savings