Abstract
<p class="abstract"><strong>Background:</strong> Nasal septal deviation is a frequent cause of increased nasal airway resistance. A narrow nasal airway would result in a decreased airflow into the lungs. The aim of the present study was to evaluate the alterations of the pulmonary functions prior to and following septoplasty using spirometry.</p><p class="abstract"><strong>Methods:</strong> Thirty patients with obvious nasal septal deviations were enrolled in the study. All patients had a detailed otorhinolaryngologic examination, and were performed spirometry, prior to and one month after septoplasty surgery, and the results were compared. </p><p class="abstract"><strong>Results:</strong> Septoplasty improves the nasal breathing pattern. While reducing FEF<sub>50%</sub> (maximum expiratory flow at 50% of FVC)/FIF<sub>50%</sub>, it increases PEF and FIF<sub>50%</sub> values. In addition, exercise capacity improves following surgery. Postoperative scores showed reduction markedly compared to preoperative values (p&lt;0.001).</p><p class="abstract"><strong>Conclusions:</strong> Nasal septal surgery has a positive effect on pulmonary functions.</p><p class="abstract"> </p><p> </p>
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