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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 37(4); 1994 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1994;37(4): 710-7.
Olfaction Changes after Endoscopic Sinus Surgery
Yang-Gi Min, MD1, Byeong Ho Song, MD1, Kang Soo Lee, MD1, Ja Bock Yun, MD1, Jin-Sung Shin, MD1, and Young Sam Yoo, MD2
1;Department of Otolaryngology, Seoul National University, College of Medicine, Seoul, 2;Department of Otolaryngology, Seoul Red Cross Hospital, Seoul, Korea
부비동 내시경수술 후의 후각변화
민양기1 · 송병호1 · 이강수1 · 윤자복1 · 신진성1 · 유영삼2
서울대학교 의과대학 이비인후과학교실1;서울적십자병원 이비인후과2;

It is well known that olfactory dysfunction relates to many etiologies such as obstructive nasal or sinus disease, upper respiratory tract infection, head trauma, aging, congenital anomaly, endocrine disease, irradiation or drug and so forth. Chronic paranasal sinusitis is the most common etiology in olfactory dysfunction, and Endoscopic sinus surgery can bring to improvement of olfactory function. A preoperative and postoperative evaluation of the olfactory function of 80 patients with chronic paranasal sinusitis was carried out using the quantitative test employing buthanol. Preoperatively normosmia was proven in 18 patients. Thirty-six patients were hyposmic, and 26 patients were anosmic. In the postoperative olfactory function test, thirty patients had normosmia, 35 patients experienced hyposmia, and 15 patients showed anosmia. Sixty-three percent of the patients with impaired olfactory function preoperatively had improvement after the surgery. And the most important factor in improvement of postoperative olfactory function was olfactory cleft patency.

Keywords: Chronic sinusitisOlfactory functionEndoscopic sinus surgeryOlfactory cleft.
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