Tabassum Aziz, Ahmed Hasan Ashfaq, Kashif Mahmood, Ashfaq Ahmed Malik, Faisal Bashir.
Comparison of frequency of synechiae formation in patients of sinonasal polyposis undergoing endoscopic sinus surgery with and without using microdebrider.
Rawal Med J Jan ;42(3):363-5.

Objectives: To compare the frequency of synechiae formation in patients with allergic nasal polyps undergoing endoscopic sinus surgery with and without use of microdebrider. Methodology: The comparative study was conducted in ENT department Holy Family Hospital, Rawalpindi, Pakistan from July 2013 to July 2015. It included 110 patients of sinonasal polyposis due to nasal allergy selected through non probability convenience sampling technique. They were divided into two groups; A and B with 55 patients in each group. In group A, endoscopic sinus surgery was done with the use of microdebrider while group B patients underwent endoscopic sinus surgery without the microdebrider. The outcome of both methods was compared by evaluating the frequency of formation of synechiae at 1st, 2nd and 4th postoperative week. Results: In Group A, 38.18% (n=21) patients were between 15-30 years and 61.82% (n=34) were between 31-45 years of age. In Group B, 47.27% (n=26) were between 15-30 years and 52.73% (n=29) were between 31-45 years of age. Mean age in group A and B was 33.25±7.48 and 32.07±7.11, respectively. 3.64% (n=2) of the patients in group A developed synechiae as compared to 16.36% (n=9) patients in group B (P=0.02). Conclusion: The frequency of synechiae formation in patients with allergic nasal polyps undergoing endoscopic sinus surgery with microdebrider was significantly less as compared to those in which microdebrider is not used.

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