“…4 The available medical treatments for CRSwNP comprise systemic and topical therapies, [5][6][7][8] but, for patients with medically resistant CRSwNP, the surgical approach represents the treatment of choice. 5,9 However, it is well known that both medical and surgical therapeutic strategies have high rates of recurrence as the result of severe inflammatory reactions during the mucosal healing period. 10 Recently, there is mounting evidence that sodium hyaluronate (SH), the major component of many extracellular matrices, including those in respiratory epithelial cells and gland serous cells of the nasal and trachea-bronchial mucosa, serves important biologic roles beyond its generally accepted function as a structural component of interstitial and connective tissues.…”