American Academy of Otolaryngology - Head and Neck Surgery Jul 31 2025 The American Academy of Otolaryngology–Head and Neck Surgery Foundation ( AAO-HNSF ) published the Clinical Practice Guideline (CPG): Adult Sinusitis Update today in Otolaryngology–Head and Neck Surgery. The purpose of this multidisciplinary guideline is to identify quality improvement opportunities in managing adult sinusitis and to provide explicit and actionable guidance that can be implemented across all clinical