الفهرس 
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Abstract
SUMMARY AND CONCLUSION
Summary:
This study was planned to include 30 patients with rhinosinusitis and
nasal polyposis. Those patients were classified into two groups
* The I st group II 22 patients II had rhinosinusitis alone.
* The 2 nd group II 8 patients II had nasal polyposis.
The aim of the work is to evaluate objectively the nasal airway patency of
patients undergoing EFSS.
Pre - operatively, all patients were subjected to the following :_
* History taking
* Clinical examination
* Routine pre- operative investigations for endoscopic intranasal surgery.
* C.T paranasal sinuses
* Active anterior rhinomanometry by using the mercury electronic
( Scotland )Ltd rhinomanometer nr 7d and the same fixed protocol for
all patients .
Post - operatively, all patients were subjected to the following :_
* Follow up which include subjective component as asking about nasal _
obstruction and any other symptomatology, and by serial clinical and
endoscopic examination for patency of nasal airway.
* Rhinomanometric measurements of nasal resistance to airflow were
done 3 months after the operation .
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Surgical technique:
in our study we used the technique of Messerklinger which start with
uncinectomy • anterior ethmoidectomy , middle meatal antrostomy and posterior
ethmoidectomy when needed.
Our study showed that in spite of the fact that there is significant
improvement III subjective sensation of nasal airflow in patients with
rhinosinusitis undergoing FESS, but rhinomanomt:tric measurements show no
significant lowering of nasal resistance in patients without polyposis and
significant results in patients with nasal polyposis.