Pub Date : 2025-03-01DOI: 10.1016/j.bpa.2025.05.001
Mohd S. Ramly , Daniela Ionescu , Donal J. Buggy
Cancer remains a large healthcare and socio-economic burden worldwide. New cancer cases are predicted to increase to over 35 million cases in 2050. Surgery remains the mainstay curative approach for solid tumour. Despite advancements in surgery and oncology diagnostics and therapeutics, cancer often recurs. Surgery and anaesthesia produce significant physiological changes that may dampen immune function, thus promoting cancer progression. The effects of regional anaesthesia and local anaesthetics have been explored to mitigate the risk of cancer recurrence. In this review, we summarise the current evidence of regional anaesthesia and local anaesthetics on cancer outcomes. Despite positivity in preclinical trials, prospective randomised trials have not produced convincing results. Other than the peritumoral local anaesthetic infiltration, studies have only suggested a neutral effect on long term outcome. Until new positive studies are available, regional anaesthesia and local anaesthetic use should be based on clinical grounds, not on potential oncological outcome benefit.
{"title":"Local anaesthetics and regional anaesthesia and outcome in cancer patients – What is the clinical evidence?","authors":"Mohd S. Ramly , Daniela Ionescu , Donal J. Buggy","doi":"10.1016/j.bpa.2025.05.001","DOIUrl":"10.1016/j.bpa.2025.05.001","url":null,"abstract":"<div><div>Cancer remains a large healthcare and socio-economic burden worldwide. New cancer cases are predicted to increase to over 35 million cases in 2050. Surgery remains the mainstay curative approach for solid tumour. Despite advancements in surgery and oncology diagnostics and therapeutics, cancer often recurs. Surgery and anaesthesia produce significant physiological changes that may dampen immune function, thus promoting cancer progression. The effects of regional anaesthesia and local anaesthetics have been explored to mitigate the risk of cancer recurrence. In this review, we summarise the current evidence of regional anaesthesia and local anaesthetics on cancer outcomes. Despite positivity in preclinical trials, prospective randomised trials have not produced convincing results. Other than the peritumoral local anaesthetic infiltration, studies have only suggested a neutral effect on long term outcome. Until new positive studies are available, regional anaesthesia and local anaesthetic use should be based on clinical grounds, not on potential oncological outcome benefit.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"39 1","pages":"Pages 40-44"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-03-01DOI: 10.1016/j.bpa.2025.03.008
Zhaosheng Jin , Jonathan Aminov , Giancarlo Sabetta , Jacob Gordon , Sergio D. Bergese
Cancer is one of the leading causes of morbidity and mortality. In patients who require oncological surgery, frailty is associated with increased risk of perioperative adverse events, which can lead to delay in subsequent oncological care. Additionally, cancer and neoadjuvant therapy both contribute to diminished physiological reserve and increased incidence of frailty. Prehabilitation involves a bundle of preoperative intervention with the goal of improving patients’ physiological reserve and promoting better recovery after surgery. While prehabilitation is frequently associated with the delivery of preoperative physical exercise interventions, there is increasing recognition that a multimodal approach should be employed to optimize outcomes.
Nutritional, educational and psychobehavioral interventions are commonly employed as components of multimodal prehabilitation. There are also other emerging novel interventions, including cognitive prehabilitation. As with all effective perioperative initiatives, effective implementation of prehabilitation often requires a multidisciplinary effort. This review will discuss both the established and the novel prehabilitation interventions, as well as the interaction between prehabilitation and other perioperative pathways.
{"title":"Prehabilitation: Stepping beyond exercise in patients with frailty and cancer","authors":"Zhaosheng Jin , Jonathan Aminov , Giancarlo Sabetta , Jacob Gordon , Sergio D. Bergese","doi":"10.1016/j.bpa.2025.03.008","DOIUrl":"10.1016/j.bpa.2025.03.008","url":null,"abstract":"<div><div>Cancer is one of the leading causes of morbidity and mortality. In patients who require oncological surgery, frailty is associated with increased risk of perioperative adverse events, which can lead to delay in subsequent oncological care. Additionally, cancer and neoadjuvant therapy both contribute to diminished physiological reserve and increased incidence of frailty. Prehabilitation involves a bundle of preoperative intervention with the goal of improving patients’ physiological reserve and promoting better recovery after surgery. While prehabilitation is frequently associated with the delivery of preoperative physical exercise interventions, there is increasing recognition that a multimodal approach should be employed to optimize outcomes.</div><div>Nutritional, educational and psychobehavioral interventions are commonly employed as components of multimodal prehabilitation. There are also other emerging novel interventions, including cognitive prehabilitation. As with all effective perioperative initiatives, effective implementation of prehabilitation often requires a multidisciplinary effort. This review will discuss both the established and the novel prehabilitation interventions, as well as the interaction between prehabilitation and other perioperative pathways.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"39 1","pages":"Pages 3-13"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-03-01DOI: 10.1016/j.bpa.2025.03.002
Bente FH. Dubois, Markus W. Hollmann
Cancer incidence continues to rise, with 20 million new cases and 9.7 million cancer-related deaths reported in 2022. With the vast majority of these patients requiring anaesthesia. However, despite surgical resection, nearly one-third of patients experience local recurrence or distant metastases. Perioperative factors, including surgical stress and anaesthetic technique, may influence recurrence, though tumour biology remains not fully understood.
The impact of total intravenous anaesthesia (TIVA) versus inhalation anaesthesia (IA) on oncological outcomes has attracted growing interest. While some studies suggest a potential advantage of propofol-based TIVA, the probability of a clinically significant effect remains low. The existing literature consists mainly of retrospective studies and small randomised trials (RCT's) with methodological limitations.
Currently, there is no strong evidence that TIVA or IA has a meaningful impact on cancer-free survival. This review critically examines the available research and presents an alternative perspective on this controversial topic.
{"title":"Volatiles vs. TIVA – Is there a difference in cancer patients","authors":"Bente FH. Dubois, Markus W. Hollmann","doi":"10.1016/j.bpa.2025.03.002","DOIUrl":"10.1016/j.bpa.2025.03.002","url":null,"abstract":"<div><div>Cancer incidence continues to rise, with 20 million new cases and 9.7 million cancer-related deaths reported in 2022. With the vast majority of these patients requiring anaesthesia. However, despite surgical resection, nearly one-third of patients experience local recurrence or distant metastases. Perioperative factors, including surgical stress and anaesthetic technique, may influence recurrence, though tumour biology remains not fully understood.</div><div>The impact of total intravenous anaesthesia (TIVA) versus inhalation anaesthesia (IA) on oncological outcomes has attracted growing interest. While some studies suggest a potential advantage of propofol-based TIVA, the probability of a clinically significant effect remains low. The existing literature consists mainly of retrospective studies and small randomised trials (RCT's) with methodological limitations.</div><div>Currently, there is no strong evidence that TIVA or IA has a meaningful impact on cancer-free survival. This review critically examines the available research and presents an alternative perspective on this controversial topic.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"39 1","pages":"Pages 23-29"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144239668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2025.01.001
Gwen Morgan , Vivian Ip , Jane Muret , Pui San Loh , Craig D. McClain , Seema Gandhi
In the face of the unfolding climate crisis, addressing the substantial greenhouse gas emissions which stem from healthcare systems has become an emergency. Nitrous oxide (N2O) is used as an anaesthetic and analgesic adjuvant, however it is also an important greenhouse gas and ozone depleting agent. Clinical use of N2O has decreased over the past decade owing to its limited clinical utility, risk of adverse effects and concern regarding occupational exposure. Yet N2O procurement has not followed this downward trend. Most hospitals rely upon highly inefficient reticulated N2O supply systems, in which a large majority of supplied N2O is lost or wasted through systemic leaks, poor stock management, uneconomical clinical practice or theft. This wastage comes at high financial and environmental cost and offers no clinical benefit. Such costs can be mitigated by abandoning centralised N2O supply systems in preference for more efficient point-of-care cylinders.
{"title":"Nitrous oxide waste and why we should abandon reticulated delivery systems","authors":"Gwen Morgan , Vivian Ip , Jane Muret , Pui San Loh , Craig D. McClain , Seema Gandhi","doi":"10.1016/j.bpa.2025.01.001","DOIUrl":"10.1016/j.bpa.2025.01.001","url":null,"abstract":"<div><div><span>In the face of the unfolding climate crisis, addressing the substantial greenhouse gas emissions which stem from healthcare systems has become an emergency. Nitrous oxide (N</span><sub>2</sub><span>O) is used as an anaesthetic and analgesic adjuvant, however it is also an important greenhouse gas and ozone depleting agent. Clinical use of N</span><sub>2</sub>O has decreased over the past decade owing to its limited clinical utility, risk of adverse effects and concern regarding occupational exposure. Yet N<sub>2</sub>O procurement has not followed this downward trend. Most hospitals rely upon highly inefficient reticulated N<sub>2</sub>O supply systems, in which a large majority of supplied N<sub>2</sub>O is lost or wasted through systemic leaks, poor stock management, uneconomical clinical practice or theft. This wastage comes at high financial and environmental cost and offers no clinical benefit. Such costs can be mitigated by abandoning centralised N<sub>2</sub>O supply systems in preference for more efficient point-of-care cylinders.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 305-311"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2025.04.003
Harold Mulier , Steffen Rex , An Teunkens
The environmental impact of operating rooms is significant, with these facilities generating approximately two-thirds of a hospital's waste. This narrative review explores existing initiatives and future opportunities to enhance environmental sustainability in anaesthesia.
The European Society of Anaesthesiology and Intensive Care (ESAIC) Glasgow Declaration of 2023 underscores the urgent need for sustainable practices in anaesthesia and intensive care, aiming to minimise environmental harm. Key focus areas include waste management, recycling, reuse of materials, and energy consumption in operating rooms. This review highlights the potential for waste reduction through evidence-based adjustments to sterilization protocols and an emphasis on recycling and proper waste segregation. It also discusses the environmental implications of different sterilisation methods and the energy consumption associated with HVAC systems and other equipment in operating rooms.
By adopting sustainable practices, healthcare professionals can significantly contribute to reducing the environmental footprint of operating rooms in order to support global climate goals.
{"title":"Greening the operating room: A narrative review of existing initiatives and future opportunities in anaesthesia","authors":"Harold Mulier , Steffen Rex , An Teunkens","doi":"10.1016/j.bpa.2025.04.003","DOIUrl":"10.1016/j.bpa.2025.04.003","url":null,"abstract":"<div><div>The environmental impact of operating rooms is significant, with these facilities generating approximately two-thirds of a hospital's waste. This narrative review explores existing initiatives and future opportunities to enhance environmental sustainability in anaesthesia.</div><div><span>The European Society of Anaesthesiology and </span>Intensive Care (ESAIC) Glasgow Declaration of 2023 underscores the urgent need for sustainable practices in anaesthesia and intensive care, aiming to minimise environmental harm. Key focus areas include waste management, recycling, reuse of materials, and energy consumption in operating rooms. This review highlights the potential for waste reduction through evidence-based adjustments to sterilization protocols and an emphasis on recycling and proper waste segregation. It also discusses the environmental implications of different sterilisation methods and the energy consumption associated with HVAC systems and other equipment in operating rooms.</div><div>By adopting sustainable practices, healthcare professionals can significantly contribute to reducing the environmental footprint of operating rooms in order to support global climate goals.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 372-378"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2025.03.006
Pascal Verdonck , Isabel Verniers
Healthcare's substantial environmental footprint demands targeted strategies across the sector for reducing emissions and optimising resource use. Effective governance structures, such as board involvement and/or designated sustainability officers, are essential for embedding low-carbon procurement, energy-efficient infrastructure, and waste-reduction initiatives across healthcare operations. Lean management practices and active staff engagement foster a culture of sustainability, enhancing efficiency and minimising waste. Patient-centred programs, sustainable food sourcing, and telemedicine integration further support the shift toward environmentally responsible practices. These combined strategies enable healthcare organisations to progress toward global sustainability goals without compromising patient care quality. Broader adoption of sustainable healthcare practices requires ongoing research into implementation challenges, measurable outcomes, and cost-effectiveness. Such efforts will be crucial in establishing robust, scalable models of sustainability that can produce enduring positive impacts on both the environment and healthcare delivery standards.
{"title":"Environmental sustainability in healthcare: Managerial concerns and solutions","authors":"Pascal Verdonck , Isabel Verniers","doi":"10.1016/j.bpa.2025.03.006","DOIUrl":"10.1016/j.bpa.2025.03.006","url":null,"abstract":"<div><div>Healthcare's substantial environmental footprint demands targeted strategies across the sector for reducing emissions and optimising resource use. Effective governance structures, such as board involvement and/or designated sustainability officers, are essential for embedding low-carbon procurement, energy-efficient infrastructure, and waste-reduction initiatives across healthcare operations. Lean management practices and active staff engagement foster a culture of sustainability, enhancing efficiency and minimising waste. Patient-centred programs, sustainable food sourcing, and telemedicine integration further support the shift toward environmentally responsible practices. These combined strategies enable healthcare organisations to progress toward global sustainability goals without compromising patient care quality. Broader adoption of sustainable healthcare practices requires ongoing research into implementation challenges, measurable outcomes, and cost-effectiveness. Such efforts will be crucial in establishing robust, scalable models of sustainability that can produce enduring positive impacts on both the environment and healthcare delivery standards.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 379-385"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2025.04.001
Sebastian Gibb , Martin Schuster , Linda Grüßer
Volatile anaesthetics (VA) are potent greenhouse gases and a major contributor to the environmental footprint of the operating room. Vapour capture technology (VCT) is a promising technique for reducing the environmental impact of VA. This review provides an overview of the different types of VCT and their limitations. It evaluates the current evidence for the different techniques in simulated, laboratory and clinical settings. Finally, practical recommendations for more environmentally friendly VA-based anaesthesia with VCT are presented.
{"title":"Volatile capture technology in the operating room: How does it work, what are the technical limitations and what does it mean for clinical practice?","authors":"Sebastian Gibb , Martin Schuster , Linda Grüßer","doi":"10.1016/j.bpa.2025.04.001","DOIUrl":"10.1016/j.bpa.2025.04.001","url":null,"abstract":"<div><div>Volatile anaesthetics (VA) are potent greenhouse gases and a major contributor to the environmental footprint of the operating room. Vapour capture technology (VCT) is a promising technique for reducing the environmental impact of VA. This review provides an overview of the different types of VCT and their limitations. It evaluates the current evidence for the different techniques in simulated, laboratory and clinical settings. Finally, practical recommendations for more environmentally friendly VA-based anaesthesia with VCT are presented.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 349-358"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2024.12.001
Alain Frederic Kalmar , Pascal Verdonck , Steffen Rex
Volatile anaesthetics contribute to climate change through greenhouse gas emissions. Early concerns about their ecological impact emerged in the 1990s, but significant attention was only garnered post-2010 when studies revealed nitrous oxide (N₂O) and desflurane's high greenhouse effect, prompting recommendations for their reduced use in favour of less harmful alternatives like total intravenous anaesthesia (TIVA) or regional techniques.
Anaesthesiologists are encouraged to balance environmental sustainability with clinical effectiveness, but in order to draw substantiated conclusions, they must understand the scientific principles behind greenhouse effects and climate change. Some awareness of positive climate feedback mechanisms is also valuable for assessing the urgency of climate action, which should influence clinical decision making.
The calculation of the environmental impact of volatile anaesthetics involves using the ideal gas law to measure anaesthetic consumption and applying climate physics to calculate CO₂-equivalents based on global warming potential (GWP). The challenge with GWP lies in equating short-lived anaesthetics with long-lived CO₂ due to differing atmospheric lifetimes, leading to debates on the most appropriate time horizon for GWP calculations or whether other metrics like radiative forcing better reflect the true climate impact.
{"title":"Climate science for anaesthetists: PK/PD of volatile anaesthetics in the atmosphere","authors":"Alain Frederic Kalmar , Pascal Verdonck , Steffen Rex","doi":"10.1016/j.bpa.2024.12.001","DOIUrl":"10.1016/j.bpa.2024.12.001","url":null,"abstract":"<div><div><span>Volatile anaesthetics<span> contribute to climate change through </span></span>greenhouse gas emissions<span><span>. Early concerns about their ecological impact emerged in the 1990s, but significant attention was only garnered post-2010 when studies revealed nitrous oxide (N₂O) and </span>desflurane's<span><span> high greenhouse effect, prompting recommendations for their reduced use in favour of less harmful alternatives like </span>total intravenous anaesthesia (TIVA) or regional techniques.</span></span></div><div>Anaesthesiologists are encouraged to balance environmental<span><span><span> sustainability with clinical effectiveness, but in order to draw substantiated conclusions, they must understand the scientific principles behind greenhouse effects and </span>climate change. Some awareness of positive climate feedback mechanisms is also valuable for assessing the urgency of climate action, which should influence clinical </span>decision making.</span></div><div><span>The calculation of the environmental impact of volatile anaesthetics involves using the ideal gas law to measure anaesthetic consumption and applying climate physics to calculate CO₂-equivalents based on </span>global warming potential<span><span> (GWP). The challenge with GWP lies in equating short-lived anaesthetics with long-lived CO₂ due to differing atmospheric lifetimes, leading to debates on the most appropriate time horizon for GWP calculations or whether other metrics like </span>radiative forcing better reflect the true climate impact.</span></div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 312-320"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2025.03.004
Jennifer Jouwena , Hugo Carvalho , Steffen Rex , Alain F. Kalmar
Total intravenous anaesthesia (TIVA) has a significantly lower climate impact than volatile agents. However, finding the optimal fresh gas flow (FGF) is complex due to varied anaesthesia workstation designs and regional differences in energy use. We aim to identify the most eco-friendly and cost-effective FGF setting for TIVA by considering ventilator types, oxygen concentration, ventilatory minute volume (VCO2), and local electricity carbon intensity.
Soda lime consumption decreases with FGF, becoming negligible when FGF matches minute volume for most ventilators. CO2 equivalent (CO2e) emissions of soda lime dominate at low FGF; CO2e of O2 and air production dominates at higher flows, especially with a high O2 fresh gas setting and where electricity has a high carbon intensity.
The most ecologically and economically optimal FGF in most workstations is achieved when FGF equals the minute volume and is set to a low O2 concentration.
The active anaesthetic gas scavenging system (AGSS) should be unplugged when volatile anaesthetics are not in use, as this action significantly contributes to reducing both CO2e emissions and costs.
{"title":"Optimal fresh gas flow during total intravenous anaesthesia","authors":"Jennifer Jouwena , Hugo Carvalho , Steffen Rex , Alain F. Kalmar","doi":"10.1016/j.bpa.2025.03.004","DOIUrl":"10.1016/j.bpa.2025.03.004","url":null,"abstract":"<div><div><span><span>Total intravenous anaesthesia<span> (TIVA) has a significantly lower climate impact than volatile agents. However, finding the optimal fresh </span></span>gas flow (FGF) is complex due to varied anaesthesia workstation designs and regional differences in energy use. We aim to identify the most eco-friendly and cost-effective FGF setting for TIVA by considering ventilator types, oxygen concentration, ventilatory minute volume (VCO</span><sub>2</sub>), and local electricity carbon intensity.</div><div><span>Soda lime consumption decreases with FGF, becoming negligible when FGF matches minute volume for most ventilators. CO</span><sub>2</sub> equivalent (CO<sub>2</sub>e) emissions of soda lime dominate at low FGF; CO<sub>2</sub>e of O<sub>2</sub> and air production dominates at higher flows, especially with a high O<sub>2</sub> fresh gas setting and where electricity has a high carbon intensity.</div><div>The most ecologically and economically optimal FGF in most workstations is achieved when FGF equals the minute volume and is set to a low O<sub>2</sub> concentration.</div><div><span>The active anaesthetic gas<span> scavenging system (AGSS) should be unplugged when volatile anaesthetics are not in use, as this action significantly contributes to reducing both CO</span></span><sub>2</sub>e emissions and costs.</div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 400-410"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-12-01DOI: 10.1016/j.bpa.2024.12.003
Alain F. Kalmar , Steffen Rex , Thimo Groffen , Hugo Vereecke , An Teunkens , Geertrui Dewinter , Harold Mulier , Michel MRF. Struys
There is an imbalance in the current discussion around the environmental impact of total intravenous anaesthesia (TIVA) versus volatile anaesthetics. The discourse often leans heavily towards scrutinising the greenhouse gas emissions linked to volatile anaesthetics. Although propofol has a much smaller impact on global warming compared to volatile anaesthetics, some argue it may not be a suitable alternative for maintaining anaesthesia due to concerns about its potential ecotoxic effects on aquatic life. This review focuses on the ecotoxicity of propofol, remediation techniques, pharmaceutical waste management and the greenhouse gas emission linked to propofol.
{"title":"Environmental impact of propofol: A critical review of ecotoxicity and greenhouse effects","authors":"Alain F. Kalmar , Steffen Rex , Thimo Groffen , Hugo Vereecke , An Teunkens , Geertrui Dewinter , Harold Mulier , Michel MRF. Struys","doi":"10.1016/j.bpa.2024.12.003","DOIUrl":"10.1016/j.bpa.2024.12.003","url":null,"abstract":"<div><div>There is an imbalance in the current discussion around the environmental impact of total intravenous anaesthesia<span><span><span> (TIVA) versus volatile anaesthetics<span>. The discourse often leans heavily towards scrutinising the greenhouse gas emissions linked to volatile anaesthetics. Although </span></span>propofol has a much smaller impact on global warming compared to volatile anaesthetics, some argue it may not be a suitable alternative for maintaining anaesthesia due to concerns about its potential ecotoxic effects on aquatic life. This review focuses on the </span>ecotoxicity<span> of propofol, remediation techniques, pharmaceutical waste management and the greenhouse gas emission linked to propofol.</span></span></div></div>","PeriodicalId":48541,"journal":{"name":"Best Practice & Research-Clinical Anaesthesiology","volume":"38 4","pages":"Pages 332-341"},"PeriodicalIF":2.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145860883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}