Endoscopic vidian and vidian-branch neurectomy for refractory allergic rhinitis: A systematic review.

EVN and vidian-branch neurectomy (including SVN and PNN) are effective treatments, but the former has a higher risk of complications. Additionally, vidian-branch neurectomy with FESS is beneficial for patients with mixed CRSwNP. SVN is a potential approach for patients with coexisting AR and asthma.