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In an excellent study by Gary Nishioka, DMD, MD, Columbia, Mo, functional endoscopic sinus surgery was analyzed. The study tried to determine the impact of sinus disease and functional endoscopic sinus surgery on 33 patients with asthma. Of these patients, 55% felt their asthma was worsened by sinusitis, and 84% felt functional endoscopic sinus surgery improved their asthma. Of 12 asthma/sinus patients who used systemic steroids, 50% were able to eliminate steroid use after functional endoscopic sinus surgery. The study concluded that since 43% of the cost of asthma is due to hospitalizations and urgent visits to physicians or the emergency department, a significant reduction of health care costs can be realized with functional endoscopic sinus surgery in indicated asthma patients.
David Epstein, MD, New York, NY, discussed in detail the applied anatomy of the posterior sinuses in relation to the optic nerve and carotid artery. Fifty cadavers were studied
Toffel PH. Spring Meeting of the American Rhinologic Society, Los Angeles, Calif, April 17-18, 1993. Arch Otolaryngol Head Neck Surg. 1993;119(9):1053. doi:10.1001/archotol.1993.01880210153023
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