Upwards of 76 percent of patients with chronic rhinosinusitis (CRS) experienced significant quality of life (QOL) improvements after undergoing endoscopic sinus surgery (ESS), according to new research in the January 2010 issue of Otolaryngology – Head and Neck Surgery. CRS is a debilitating form of sinusitis that can lead to significant physical symptoms as well as substantial functional and emotional impairment.

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