| BRIEF REPORT |
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Year : 2010 | Volume : 30 | Issue : 2 | Page : 149-152 |
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Computer-aided endoscopic sinus surgery: a retrospective comparative study
Jamil N Al-Swiahb, Surayie H Al Dousary
Department of Otorhinolaryngology, Head and Neck Surgery, King Abdulaziz University Hospital, Riyadh, Saudi Arabia
Correspondence Address:
Jamil N Al-Swiahb
Department of ORL, King Abdulaziz University Hospital, PO Box 245, Riyadh
Saudi Arabia
DOI: 10.4103/0.
PMID:
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Background and Objectives : Endoscopic sinus surgery (ESS), markedly improved with the introduction of new preoperative imaging techniques, intraoperative visualization tools, and the use of surgical navigation systems. In this retrospective study we evaluated the usefulness of CT-guided endscopic sinus surgery and studied its advantages over conventional endscopic sinus surgery. Methods : We retrospectively reviewed the records of 60 randomly chosen patients with chronic rhinosinusitis (CRS) and moderate-to-severe sinonasal polyposis, undergoing endoscopic sinus surgery with surgical navigation (n=30) and without navigation (n=30). Data on the operative note, time of surgery, complications, and recurrence rate were collected and analyzed. Results : Of the 60 patients, 40 (66.7%) were diagnosed with CRS and 20 (33.3%) had allergic fungal sinusitis. Primary surgery was performed in 37 (61.7%) and revision surgery was performed in 23 (38.3%) cases. The computer-aided surgery (CAS) group included 28 (93.3%) patients with extensive disease and 12 (40%) with bone erosions, with intraorbital or extradural extension, while the non-CAS group included 24 (80%) patients with extensive disease and seven (23.3%) with bone erosions, with intraorbital or extradural extension. The average operative time was approximately 13 minutes greater in the navigation group, with significant improvement in the recurrence rate (n=11, 36.7% in the non-CAS group; n=5, 16.7% in the CAS group), and intraoperative complications were fewer in the CAS group (two exposures of orbital fat in the non-CAS group; no complications in the CAS group). Conclusion : Computer navigational systems appear to serve as a valuable adjunct in preoperative planning and safe intraoperative dissection. |
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