Summary
The International Consensus Statement on Allergy and Rhinology: Rhinosinusitis 2021 provides evidence-based recommendations for medical and surgical treatment of the most common forms of rhinosinusitis, along with a comprehensive management algorithm.
Key points
- The International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR-RS) has made foundational progress in understanding and treating rhinologic disease.
- ICAR-RS-2021 covers over 180 topics in the forms of evidence-based reviews with recommendations (EBRRs), evidence-based reviews, and literature reviews.
- ICAR-RS-2021 executive summary provides a compilation of the evidence-based recommendations for medical and surgical treatment of the most common forms of RS.
- A comprehensive evidence-based management algorithm is provided.
Notes
“There are many treatments for chronic rhinosinusitis but the most proven ones are salt-water rinses and steroid sprays or washes.”

Abstract
I.
**Executive summary: ** BACKGROUND: The 5 years since the publication of the first International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR-RS) has witnessed foundational progress in our understanding and treatment of rhinologic disease. These advances are reflected within the more than 40 new topics covered within the ICAR-RS-2021 as well as updates to the original 140 topics. This executive summary consolidates the evidence-based findings of the document.
**Methods: ** ICAR-RS presents over 180 topics in the forms of evidence-based reviews with recommendations (EBRRs), evidence-based reviews, and literature reviews. The highest grade structured recommendations of the EBRR sections are summarized in this executive summary.
**Results: ** ICAR-RS-2021 covers 22 topics regarding the medical management of RS, which are grade A/B and are presented in the executive summary. Additionally, 4 topics regarding the surgical management of RS are grade A/B and are presented in the executive summary. Finally, a comprehensive evidence-based management algorithm is provided.
**Conclusion: ** This ICAR-RS-2021 executive summary provides a compilation of the evidence-based recommendations for medical and surgical treatment of the most common forms of RS.
**Keywords: ** acute rhinosinusitis; chronic rhinosinusitis; endoscopic sinus surgery; evidence-based medicine; recurrent acute rhinosinusitis; rhinosinusitis; systematic review.
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