1 Guidance

1 Guidance

1.1 Current evidence on collagen injection for vocal cord augmentation suggests that there are no major safety concerns and that it is efficacious in patients requiring short-term symptom relief. However, evidence on long-term efficacy is lacking.

1.2 Patients should be fully informed of the uncertainty about the procedure's long-term efficacy, and of the alternative treatment options. Use of the Institute's information for the public is recommended.