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Endonasal microendoscopic pansinusoperation in chronic sinusitis. II. Results and complications
1Department of ENT Diseases, Head, Neck and Facial Plastic Surgery, Communication Disorders, Hospital Fulda, Academic Teaching Hospital of the University of Marburg, Germany.
Purpose:
We evaluated the long-term results and complications of endonasal pansinusoperation in chronic polypoid sinusitis.
Patients And Methods:
In a retrospective study, 170 patients were followed-up for 20 months to 10 years after bilateral endonasal microendoscopic pansinus surgery or ethmoidectomy. The follow-up consisted of a standardized questionnaire and clinical examination with the flexible endoscope.
Results:
We found that 85.6% of the ethmoid cell systems, 69.4% of maxillary sinuses, and 37.5% of frontal sinuses could be visualized endoscopically. The ethmoid mucosa was normal in 56% and thickened in 19%. Recurrent polyps were found in 25%. The evaluation--as per the graduation of results defined by us as a combination of examination findings and subjective assessment of the operative result--resulted in an operative success of 92%. Two studies dealing with the frequency of complications showed injury to the dura in 2.3% to 2.55% and periorbital injury without permanent sequelae in 1.4% to 3.4%. Because of two cases of bleeding from the internal carotid artery, the problems of vascular complications in particular will be thoroughly discussed.
Conclusion:
More than 90% of patients with chronic polypoid sinusitis gain long-term satisfying results after endonasal ethmoidectomy with microscope and endoscope. For minimizing the risk of injury of the optic nerve or the internal carotid artery preoperative, computed tomography is necessary. A special training program is recommended.