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小児麻酔診療における二酸化炭素排出量の定量化:揮発性麻酔薬の選択の影響:前向き無作為化単盲検比較研究

Quantifying carbon dioxide emissions in paediatric anaesthesia practice: The impact of volatile anaesthetic choice: A prospective, randomised, single-blinded comparative study (原題)

Saumya Pant, Parul Jindal, Amit Chauhan

Indian Journal of Anaesthesia📚 査読済 / ジャーナル2026-08-01#エネルギー転換経営インパクト: コスト削減対象セクター: healthcare
DOI: 10.4103/ija.ija_1690_25
原典: https://doi.org/10.4103/ija.ija_1690_25

🤖 gxceed AI 要約

日本語

小児麻酔におけるセボフルランとデスフルランのCO2排出量を比較した前向き無作為化試験。セボフルランはデスフルランに比べ、平均CO2排出量が約27分の1と大幅に低く、臨床転帰は同等だった。グリーン麻酔プロトコルにおけるセボフルラン優先使用を支持する実証的エビデンスを提供する。

English

This prospective randomized trial compared CO2 emissions of sevoflurane versus desflurane in pediatric anesthesia. Sevoflurane showed dramatically lower mean CO2 emissions (3.68 vs 100.55 kg CO2e) with equivalent clinical outcomes, supporting its preferential use in green anesthesia protocols.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本の医療分野でも脱炭素化が求められており、SSBJ開示やサステナビリティ報告において医療機関の環境負荷削減が注目される。本研究成果は、医療現場での具体的な削減策として応用可能であり、日本の医療機関のGX推進に示唆を与える。

In the global GX context

Globally, healthcare contributes ~5% of greenhouse gas emissions, and anesthetic gases are potent contributors. This study provides actionable evidence for reducing emissions in surgical settings, aligning with global sustainability goals and healthcare decarbonization initiatives.

👥 読者別の含意

🔬研究者:Provides empirical data on anesthetic gas emissions, useful for further research on healthcare decarbonization.

🏢実務担当者:Offers a clear, actionable intervention for reducing carbon footprint in anesthesia practice without compromising patient outcomes.

🏛政策担当者:Highlights the potential for policy guidelines promoting low-emission anesthetic agents in healthcare.

📄 Abstract(原文)

ABSTRACT Background and Aims: Carbon foot printing provides a metric for the environmental burden—energy, waste, and potent greenhouse emissions—inherent in our daily clinical practice. This study quantifies and compares the carbon dioxide (CO 2 )-equivalent emissions of sevoflurane versus desflurane in paediatric patients using the validated Dr. Tom Pierce anaesthetic gas calculator. Methods: Fifty American Society of Anesthesiologists physical status I-II children aged between 3 and 12 years of either gender with no congenital anomalies undergoing elective surgery with second-generation supraglottic airways were prospectively evaluated. Patients were randomised into Group S (Sevoflurane, n = 25) or Group D (Desflurane, n = 25). Environmental impact was calculated based on real-time consumption data using Dr Tom Pierce’s anaesthetic gases calculator application. Results: While haemodynamic stability and bispectal index–monitored depth remained consistent across both cohorts, the ecological divergence was profound. The mean agent consumption was significantly lower in the S group (28.39 ± 15.88) as compared to the D group (49.30 ± 0.29). Most strikingly, the mean CO 2 emission for sevoflurane (3.68 ± 2.02) was a mere fraction of the impact seen with desflurane (100.55 ± 74.68), representing a massive reduction in the global warming potential per case. Conclusion: Sevoflurane demonstrated a significantly lower carbon footprint than desflurane. Given that clinical outcomes and haemodynamic stability remained consistent across cohorts, the transition to sevoflurane-based maintenance represents a high-impact, actionable intervention for sustainable paediatric practice. These findings advocate the preferential use of sevoflurane as the primary volatile agent in “green anaesthesia” protocols, though further multicentre validation is required to solidify these environmental benchmarks.

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