| Long Term Results after CO2 Laser Turbinate Surgery for Perennial Allergic Rhinitis |
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Chong Nahm Kim, Ju Ae Chang, Jee Yun Kim, Hye Jung Shin, Su Kyoung Park |
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Department of Otorhinolaryngology, College of Medicine, Ewha Womans University, Seoul, Korea. kim6610@unitel.co.kr |
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| Abstract |
Background and Objectives
Although CO2 laser turbinate surgery is known to be an effective method in reducing the nasal symptoms of perennial allergic rhinitis, the long term effects have not yet been evaluated. Therefore, the purpose of this study was to assess the subjective and objective long term results of CO2 laser surgery.
MATERIALS AND METHODS
The charts and questionnaires of 49 patients who received laser surgery at our department from January 1994 to December 1999 were reviewed. Preoperative and postoperative nasal volume of 20 randomly selected patients were measured by acoustic rhinometry. Nasal mucosa of 10 patients before and after laser surgery yearly for 6 years were examined under light and electron microscopy.
Results
Watery nasal discharge, nasal obstruction and sneezing had improved significantly after laser surgery. Postoperative nasal volumes also increased significantly. Histological findings 6 years after laser surgery revealed focal squamous epithelium and regenerating ciliated columnar epithelium. Decreased goblet cells, fibrous proliferation and scarce vessels and glands were also observed.
CONCLUSIONS
CO2 laser surgery proves to be an effective method in reducing the symptoms of perennial allergic rhinitis for short and long periods. |
| Key Words:
Perennial allergic rhinitis;CO2 laser;Turbinate surgery;Long term results |
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