Journal
ENVIRONMENTAL RESEARCH COMMUNICATIONS
Volume 4, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/2515-7620/ac4a3d
Keywords
life cycle assessment; medical; sustainability
Categories
Funding
- National Science Foundation Graduate Research Fellowship (Rodriguez Morris) [DGE-1747503]
- Hanson Family Fellowship in Sustainability
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This study conducted a life cycle assessment to compare the environmental impacts of disposable and reusable vaginal speculums. The results showed that in some aspects, the reusable stainless-steel speculum outperformed the disposable acrylic speculum, but not in all categories. Therefore, the choice of which speculum to use should be based on specific environmental objectives.
The reusable versus disposable debate is frequently discussed with regards to health care sustainability. Vaginal speculums used in pelvic exams are available in both disposable and reusable material designs. A comparative cradle to grave life cycle assessment (LCA) was conducted to determine and analyze the environmental impacts of using disposable acrylic speculums versus using reusable stainless-steel speculums in a women's university health clinic where around 5,000 pelvic exams are conducted on a yearly basis. Environmental impacts for the Tool for the Reduction and Assessment of Chemical and other environmental Impacts (TRACI) 2.1 categories were determined using process based LCA. The scope considered for the analysis includes the stages of raw materials, manufacturing, use, and end of life. The functional unit for all analyses is selected as 5,000 pelvic exams, which is equivalent to one year of clinic operation. The reusable stainless steel speculum system outperformed the acrylic speculum system in five impact categories: global warming, acidification, respiratory effects, smog, and fossil fuel depletion. There is one category, ozone depletion, where the acrylic speculum system performs better. When accounting for uncertainty, in the carcinogenics, non-carcinogenics, ecotoxicity, and eutrophication impact categories, there is no speculum system that outperforms the other. Overall, there is no speculum system that outperforms the other consistently across all TRACI impact categories, however, depending on the overall environmental objectives one may be preferable to the other.
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