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Table 2 Measures to reduce GBCA and opportunities for implementation

From: Review of strategies to reduce the contamination of the water environment by gadolinium-based contrast agents

Measures

Opportunities

To reduce the use of GBCA

Preauthorisation of MRI requests

Individualising the volume of GBCA

Reducing the amount of contrast media

a. Higher-relaxivity GBCA

b. Increased enhancement through optimised acquisition

c. Increased enhancement through postprocessing

d. Alternative sequences requiring no GBCA for clinical task

e. Alternative contrast agents

To reduce the waste of GBCA

Multi-patient injection system

To collect residues of GBCA

Collection of residues of contrast media

Gadolinium recycling services

To reduce the amount of GBCA excreted into sewage water

Use of urine bags in outpatients

Prolonged in-hospital time for outpatients