Sustainability in the Operating Room

Surveys of ophthalmologists have demonstrated substantial concern about ophthalmology’s impact on global warming. More than 90% of survey respondents believe that OR waste is excessive.

The PVC Recycling in Hospitals program was started in Australia by the Vinyl Council in 2009 to safely recycle used PVC or vinyl medical products. Since then, the program has grown to recycle PVC medical products for over 280 hospitals and healthcare facilities across Australia and New Zealand. PVC is the most commonly used polymer in IV bags, face masks, and oxygen - altogether, these items can produce 2,500 tons of material that can be recycled into new products. Every ton of PVC that is recycled can prevent the production of new PVC, resulting in 80% less energy consumption and reduced carbon emissions. The Vinyl Council has developed training slides and booklets to help hospitals in Australia and New Zealand set up PVC Recycling programs.

In this study, the authors evaluated the cataract package variability at 3 different Austrian hospitals. There were 55 different cataract package compositions which differed significantly in size and weight. The smallest package was 57% lighter than the largest package. Drapes, covers, and surgical gowns accounted for the largest portion of weight per package, and the difference in size of the smallest and largest drapes was 71%. This variation is surprising since the technique of cataract surgery is essentially the same throughout Austria. This article highlights the fact that material procurement in cataract packaging is an area where carbon dioxide emissions could be mitigated.

Taboun et al. conducted a literature review on the carbon footprint in cataract surgery. They analyzed six relevant papers in their review and found that the estimated carbon footprint per phacoemulsification procedure ranged from 6 kg CO2 - 181.9 kg CO2. The main factors contributing to the carbon footprint were the procurement of pharmaceuticals, medical equipment and the use of disposable items. The authors also highlighted the sustainable practices of Aravind Eye Centre, which serves as a model for safe and eco-friendly care.