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Yoshimi Anzai, MD; Ernest A. Weymuller, Jr, MD; Bevan Yueh, MD, MPH; Nicole Maronian, MD; Jeffrey G. Jarvik, MD, MPH

Arch Otolaryngol Head Neck Surg. 2004;130:423-428.

Objectives  To determine the impact of sinus computed tomography (CT) on treatment decisions by otolaryngologists and to explore the factors leading to choice of surgical treatment for patients suspected of having chronic sinusitis.

Design  Prospective cohort study.

Setting  A tertiary academic medical center.

Patients  Questionnaires were administered to 3 otolaryngologists in a tertiary academic institution regarding diagnosis and treatment decisions in 27 patients suspected of having chronic sinusitis, before and after they reviewed sinus CT scans.

Main Outcome Measures  The dichotomous decisions regarding surgical or nonsurgical treatment and the agreement of treatment decisions among surgeons were evaluated. The factors strongly influencing surgeons' treatment decisions regarding patients selected for surgery were also determined.

Results  The dichotomous treatment decisions were changed in one third of patients (9 of 27) after the sinus CT scans were reviewed. The agreement of treatment decisions among the 3 surgeons was markedly improved after they reviewed sinus CT scans. The factors favorably influencing surgical treatment were obstruction of the ostiomeatal complex on CT and concordance of CT abnormality with a patient's symptoms. Lund-Mackay stage, symptoms, and corticosteroid or antibiotic use were not significant predictors.

Conclusions  Despite the common belief that treatment decisions for chronic sinusitis should be solely based on clinical grounds, with sinus CT providing only anatomic detail before surgery, our study indicates that the decision to perform surgery was altered by CT in a substantial portion of the patients. In our preliminary study, CT increased the tendency to elect surgical treatment by all 3 surgeons.

From the Departments of Radiology (Drs Anzai and Jarvik), Otolaryngology, Head and Neck Surgery (Drs Weymuller, Yueh, and Maronian), and Health Services (Drs Yueh and Jarvik), University of Washington, and the Department of Otolaryngology, Veterans Affairs Puget Sound Health Care System (Dr Yueh), Seattle. The authors have no relevant financial interest in this article.

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