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Green Anesthesia

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Making anesthesia environmentally sustainable

As much as 4.6% of global greenhouse gases are caused by the health sector.1 And of the total emissions of hospitals, 2% are due to volatile anesthetics.2 Anesthetic gases have been widely administered during surgery for many years. But volatile anesthetics can also contribute to greenhouse gas emissions and potential climate change.

Considering general anesthetics are administered to approximately 50 million patients each year in the U.S., with a vast majority of those employing halogenated inhalational agents (sevoflurane, desflurane and isoflurane) and non-halogenated agents (nitrous oxide), the impact of inhaled anesthetics pollution is substantial.3  Inhaled anesthetic gases, which are exhausted directly to the atmosphere, are estimated to account for 5% of acute hospital CO2e emissions and 50% of perioperative department emissions in high-income countries. 

With the "Inhaled Anesthetic 2020 Challenge", the American Society of Anesthesiologists (ASA) is calling for a 50% reduction in carbon emissions from anesthetics. The DGAI and the BDA are also addressing the issue. Together they have published a position paper with concrete recommendations for action. 

Sources

1. Health Care’s Climate Footprint. Health Care Without Harm

2. NHS Sustainable Development Unit.

3. Waste Anesthetic Gases: Focus on a Major Problem. ASA Monitor

4. Action guidance for addressing pollution from inhalational anaesthetics. Anaesthesia.

Implement low flow anesthesia safely

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One of the central points for saving volatile anesthetics is the consistent implementation of low- or minimal-flow anesthesia. The advantages are clear and not only ecological:

  • Reduction of greenhouse gases
  • Cost reduction
  • Improving clinical outcomes

Information on the clinical background and use of low-flow anesthesia can be found on the following website.

Rebreathing systems in anesthesia

Clinical practice shows that the use of low- and minimal-flow anesthesia can be safely and easily integrated into daily routine. "The safety and technical performance of today's anesthesia machines make low-flow, minimal-flow and metabolic-flow anesthesia the procedures of choice". This is the conclusion of Bert Mierke, MD, and PD Christian Hönemann, MD, convinced low-flow advocates and authors of the booklet "Low-Flow, Minimal-Flow and Metabolic-Flow Anaesthesias - Clinical Techniques for the Use of Rebreather Systems".

This booklet contains further information and practical tips for the safe use of low flow anesthesia.

Low-flow, minimal-flow and metabolic-flow anesthesia: clinical techniques for the use of rebreathing systems
A sustainable approach to mitigating the environmental impact of inhaled anesthetics

How do we support you?

As your specialist in critical care, we provide holistic support in the implementation of environmentally conscious anesthesia - from modern anesthesia equipment for the implementation of safe low-flow anesthesia to analysis software for comprehensive analysis of gas consumption and decision support in the procurement of consumables.

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Our anesthesia machines support you with advanced technology, e.g., permanently high tightness of the breathing systems, intelligent humidity management, adequate gas and ventilation monitoring, sample gas return, as well as support in the efficient control of anesthesia. To support consistent and efficient fresh gas flow delivery across users, most Dräger anesthesia machines offer our Low Flow Wizard technology. The Low Flow Wizard is an on-screen fresh gas flow efficiency tool which clearly informs users when their fresh gas flow is efficient, too high, or too low. The net goal is to help hospitals standardize the practice of low- and minimal-flow delivery to help reduce costs and their environmental footprint.

Case Study: Significant Cost Savings for Anesthetic GasesPlay video

Case Study: Significant Cost Savings for Anesthetic Gases

Watch how one hospital was able to reduce anesthetic waste by using the Low Flow Wizard technology. Taking it one step further, anesthetic-rich breathing gas which is continuously sampled for analysis during a case can be returned to the breathing system for ventilation instead of being directly wasted to the atmosphere. It’s just one other way Dräger anesthesia machines are designed to make a positive environmental impact.

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Gas consumption analysis

The Gas Consumption Analytics dashboard enables clinical and economic insights based on the gas consumption of the supported Draeger anesthesia machines. Create transparency regarding uptake, efficiency, costs and applied fresh gas flows: This provides you with a reliable basis for defining measures for the consistent implementation of low- and minimal-flow anesthesia and thus to work in a more environmentally and patient-friendly way while reducing costs at the same time. Find out, for example, how Ortonville Area Health Services (OAHS) in Ortonville, Minnesota was able to realize immediate cost savings, positively affect clinical outcomes, and decrease environmental impact.

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In many cases, reusable products are perceived as less harmful to the environment than single-use products. However, it is not that easy to say. Whether disposable or reusable products are more environmentally friendly can often only be evaluated through extensive eco-efficiency analyses. In hospitals in particular, the reprocessing of medical products, for example, can have a major impact on the CO2 footprint. Aspects such as the eutrophication of soils and water bodies and the use of rare materials also play an important role in the holistic view.

Valid information is therefore needed to make a valid decision. This is where the eco-efficiency analyses help. Especially for products that are used in large quantities in hospitals, the ecological aspects should be considered in the procurement process.

Get in Touch With Your Dräger

Contact us Hospital

Draeger, Inc. – Medical

3135 Quarry Road
Telford, PA 18969

1-800-437-2437

Learn more about our anesthesia portfolio

1. Health Care’s Climate Footprint. Health Care Without Harm

2. NHS Sustainable Development Unit.

3. Waste Anesthetic Gases: Focus on a Major Problem. ASA Monitor

4. Action guidance for addressing pollution from inhalational anaesthetics. Anaesthesia.