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Impact of a sustainability intervention on the carbon footprint and processing expenses of endoscopic waste

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dc.contributor.authorDias Blanco, Marta
dc.contributor.authorLopes, Sílvia
dc.contributor.authorMartins, Susana
dc.contributor.authorCunha Neves, João A.
dc.contributor.institutionEscola Nacional de Saúde Pública (ENSP)
dc.contributor.institutionLaboratório Associado de Translacção e Inovação para a Saúde Global - LA Real (Pólo ENSP)
dc.contributor.institutionComprehensive Health Research Centre (CHRC) - Pólo ENSP
dc.contributor.institutionCentro de Investigação em Saúde Pública (CISP/PHRC)
dc.contributor.pblElsevier Science B.V., Amsterdam.
dc.date.accessioned2026-02-02T17:24:01Z
dc.date.available2026-02-02T17:24:01Z
dc.date.issued2025
dc.descriptionPublisher Copyright: © 2025 American Society for Gastrointestinal Endoscopy.
dc.description.abstractBackground and Aims Endoscopy represents the third-largest source of hazardous waste in a hospital, driven by reliance on single-use devices, high procedural volumes, and complex waste management requirements. This study aims to compare the carbon footprint, waste-processing costs, and total endoscopic waste generated before and after a sustainability intervention in the endoscopy unit at Santa Maria Hospital, Lisbon, Portugal. Methods We conducted a 3-stage prospective study. Stage 1 (preintervention) involved an internal audit and daily weighing of endoscopic waste over 4 weeks. Stage 2 (intervention) consisted of awareness training focused on waste segregation and recycling promotion. Stage 3 (postintervention) comprised daily weighing of endoscopic waste over a subsequent 4-week period. Pre- and postintervention outcomes—including carbon footprint, waste processing costs, and total endoscopic waste—were compared using paired-sample t tests and Wilcoxon signed-rank tests. For carbon footprint estimation, each kilogram of landfill waste was assumed to correspond to 1 kg CO2e, whereas each kilogram of regulated medical waste was assigned a value of 3 kg CO2e. Results A total of 1058 endoscopic procedures (preintervention, 517, and postintervention, 541) were performed during the study period. The carbon footprint decreased significantly, from 1859.5 kg CO2e to 1334.8 kg CO2e ( P = .004). Waste processing costs were also significantly reduced, from U.S. dollars (USD) 302.1 to USD 208.1 ( P = .004). The total amount of waste generated showed a nonsignificant reduction, from 706.9 kg to 667.8 kg ( P = .539). Conclusions The sustainability intervention demonstrated a meaningful impact, with education and the adoption of sustainable practices—namely waste segregation and recycling—leading to reductions in carbon footprint, waste management costs, and overall waste generation.en
dc.description.versionpublishersversion
dc.description.versioninpress
dc.format.extent979509
dc.identifier.doi10.1016/j.gie.2025.10.044
dc.identifier.issn0016-5107
dc.identifier.otherPURE: 151820453
dc.identifier.otherPURE UUID: 8abcb374-2955-4b8d-85bc-1a461a302d58
dc.identifier.otherScopus: 105026387354
dc.identifier.otherPubMed: 41223975
dc.identifier.urihttp://hdl.handle.net/10362/199947
dc.identifier.urlhttps://www.scopus.com/pages/publications/105026387354
dc.language.isoeng
dc.peerreviewedyes
dc.subjectRadiology Nuclear Medicine and imaging
dc.subjectGastroenterology
dc.subjectSDG 3 - Good Health and Well-being
dc.subjectSDG 12 - Responsible Consumption and Production
dc.titleImpact of a sustainability intervention on the carbon footprint and processing expenses of endoscopic wasteen
dc.typejournal article
degois.publication.titleGastrointestinal Endoscopy
dspace.entity.typePublication
rcaap.rightsopenAccess

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