الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Nasal obstruction is a common complaint seen by otolaryngologists and it is commonly defined as patient discomfort manifested as a sensation of insufficient airflow through the nose and the etiology of nasal obstruction is generally divided into mucosal and anatomical causes. The enlargement of nasal turbinate obstructs the airway to cause a congested feeling and these enlarged inferior turbinates narrow the nasal cavity and contribute significantly to nasal airway obstruction.
Nasal obstruction has long been associated with middle ear disease and it has been shown that nasal obstruction alters the function of the Eustachian tube and can influence middle ear pressure. The eustachian tube has an important role in ensuring air exchange in the middle ear. It is maintaining the physiological pressure in the middle ear depends on the gaseous balance between air intake through the eustachian tube and gas diffusion from the middle ear to the systemic circulation The lack of nasal breathing can significantly affect the development of dentofacial and craniofacial structures.
Septoplasty is surgical procedure that aims to straighten the deviated nasal septum to improve nasal airflow. Turbinate surgery, or inferior turbinate reduction, is a procedure where the inferior nasal turbinates are examined and reduced in size to provide improved nasal airflow.
This present study is a prospective one conducted in E.N.T outpatient clinic of El-Minia University Hospital during the period between August 2015 to April 2016. Fifty patients were included in this study. Patients complained unilateral or bilateral nasal obstruction. In this study, All patients were subjected to full history taking, complete ENT examination including detailed pre-operative and post-operative endoscopic nasal examination and audiological evaluation. 23 patients underwent bilateral partial inferior turbinectomy, 7 patients underwent septoplasty and the other 20 patients underwent both operations and all patients were operated under general anesthesia. We aimed in this study to evaluate the effect of septoplasty and inferior turbinate surgery on Eustachian tube function and middle ear ventilation.