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Estimation of the Economic and Environmental Impact of Single-Use Instruments in Routine Cataract Surgery.

Vincent Qin1,2, Ben LaHood3, Ivo Guber4

  • 1Department of Ophthalmology, Delta Hospital (CHIREC), Brussels, Belgium.

Clinical Ophthalmology (Auckland, N.Z.)
|September 9, 2024
PubMed
Summary

Single-use instruments (SUIs) for cataract surgery are cost-effective compared to reusable instruments (RUIs) in many centers. SUIs also present a significantly higher carbon footprint, emphasizing the need for recycling strategies.

Keywords:
carbon footprintcataract surgerycost analysisenvironmental impactreusable instrumentssingle-use instrumentssurgical instruments

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Area of Science:

  • Ophthalmology
  • Health Economics
  • Environmental Science

Background:

  • Cataract surgery relies on specialized instruments, with choices between single-use (SUIs) and reusable (RUIs) impacting costs and environmental footprint.
  • The economic and environmental implications of SUIs versus RUIs in standard cataract procedures require thorough evaluation.

Purpose of the Study:

  • To estimate the economic and environmental impact of single-use instruments (SUIs) for standard cataract surgery.
  • Comparison of SUIs and reusable instruments (RUIs) across six ophthalmology centers in Europe and the United States.

Main Methods:

  • A comparative cost analysis was conducted using online surveys and interviews.
  • Carbon footprint calculations were performed using the ClimatePartner methodology, covering the instrument lifecycle.
  • Annual costs for SUIs and RUIs were determined based on center-specific data and average selling prices.

Main Results:

  • SUIs were found to be less or equally costly as RUIs in 4 out of 6 centers.
  • Higher sterilization costs for RUIs correlated with greater cost-effectiveness of SUIs.
  • The 5-year carbon footprint for SUIs (5478.2 kg CO2 eq without recycling, 4639.9 kg CO2 eq with recycling) was substantially higher than for RUIs (20.6 kg CO2 eq).

Conclusions:

  • Single-use instruments (SUIs) present a viable alternative to reusable instruments (RUIs) in multispecialty hospitals, particularly those with high sterilization expenses.
  • The environmental impact, specifically the carbon footprint, of SUIs is significantly greater than RUIs, highlighting the importance of recycling.