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Green Anesthesia: Use of Inhalational Anesthetics and their Effect on our Climate
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Biomedical Engineering and Health Systems.
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Biomedical Engineering and Health Systems.
2023 (English)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Miljövänlig Anestesi : Användning av inhalationsanestetika och dess påverkan på vårt klimat (Swedish)
Abstract [en]

This thesis has, commissioned by Dräger, an international company at the forefront of medical and safety technology, examined how the use of inhalational anesthetics affects the climate and environment. The purpose of this work is to examine how the Swedish healthcare sector currently works with inhalational anesthetics, how different anesthetic machines affect the emissions, as well as alternatives available to reduce anesthetic gases emissions. Climate change is a current issue in today’s society, but the impact of anesthetic gases on the climate is not widely known, despite their everyday use in the healthcare sector.

Through data collection from two Swedish hospitals; Linköping University Hospital and Örebro University Hospital, an interview with medical and medical engineering staff, as well as a literature study the main question of the thesis could be answered; How do the most common anesthetic gases affect the environment?

The results are presented in the form of diagrams showing the amount of anesthetic gas used in the aforementioned hospitals during surgeries. The results have been analyzed and discussed based on the research questions, and the different results from each hospital have been compared to each other. It can be seen that Dräger’s anesthesia machines have a relatively low consumption of sevoflurane, but it is impossible to draw any definitive conclusions due to lack of data, and lack of access to machines from other manufacturers.

Abstract [sv]

Detta examensarbete har, på uppdrag av Dräger, ett internationellt företag i framkant inom medicin- och säkerhetsteknik, undersökt hur användning av inhalationsanestetika påverkar miljön. Målet med arbetet är att undersöka hur den svenska sjukvården för närvarande arbetar med inhalationsanestetika, hur olika anestesimaskiner påverkar utsläppen, samt alternativ som finns tillgängliga för att minska dessa utsläpp. Klimatförändringar är en aktuell fråga i dagens samhälle men påverkan av anestesigaser på klimatet är inte allmänt känt, trots att dessa används dagligen i hälsovården.

Genom datainsamling från två svenska sjukhus; Linköpings Universitetssjukhus och Örebro Universitetssjukhus, intervjuer med medicinsk- och medicinteknisk personal, samt en litteraturstudie har arbetets problemställning besvarats; Hur påverkar de mest frekvent använda anestesigaserna miljön?

Resultaten visar i diagramform hur mycket anestesi gas som använts i tidigare nämnda sjukhus under operationer. Resultaten har analyserats och diskuterats utifrån forskningsfrågorna, dessutom har de olika resultaten från respektive sjukhus jämförts med varandra. Det kan ses att Drägers anestesimaskiner har en relativt låg konsumtion av sevofluran, men brist på data samt brist på tillgång till maskiner från andra producenter gör det omöjligt att dra en konkret slutsats.

Place, publisher, year, edition, pages
2023. , p. 54
Series
TRITA-CBH-GRU ; 2023:156
Keywords [en]
MAC – minimum alveolar concentration, GWP – global warming potential, CO2 – carbon dioxide, N2O – nitrous oxide, Low-Flow Anesthesia, sevoflurane, isoflurane, desflurane, FGF – fresh gas flow
Keywords [sv]
MAC – minimum alveolar concentration, GWP – global warming potential, CO2 – koldioxid, N2O - lustgas, Lågflödesanestesi, sevofluran, isofluran, desfluran, FGF – färskgasflöde
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-330225OAI: oai:DiVA.org:kth-330225DiVA, id: diva2:1776280
External cooperation
Dräger
Subject / course
Medical Engineering
Educational program
Bachelor of Science in Engineering - Medical Technology
Supervisors
Examiners
Available from: 2023-08-17 Created: 2023-06-27 Last updated: 2023-08-17Bibliographically approved

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