A Diagnostic Dilemma for Chronic Rhinosinusitis: Definition Accuracy and Validity

Author:

Stankiewicz James A.1,Chow James M.1

Affiliation:

1. Department of Otolaryngology-Head and Neck Surgery, Loyola University Medical Center, Maywood, Illinois

Abstract

Background The current definition of chronic rhinosinusitis is a symptom-based definition with minimal reliance on objective information. Based on this definition, patients are diagnosed and treated with medical therapy. A computed tomography (CT) scan is obtained only if the patient is not improved after medical therapy. No study is available evaluating in an evidence-based manner the accuracy of the current definition and its impact on diagnosis and treatment. Methods This study represents 78 patients evaluated in a prospective fashion who met the subjective criteria for the definition of chronic rhinosinusitis. All patients underwent a complete history with a questionnaire evaluating symptom severity, a physical exam including anterior rhinoscopy and endoscopy, and a CT scan obtained on the day of their initial visit. Objective CT scan findings were compared with the subjective findings and related to the ultimate diagnosis of chronic sinusitis. Results Only 37/78 (47%) had a positive (1) CT scan, indicating demonstrable sinusitis. There also was no real difference in symptom severity between patients with positive (1) and negative (2) CT scanning. Conclusion The current symptom-based definition of chronic sinusitis poorly predicts whether a patient truly has chronic sinusitis and needs reevaluation.

Publisher

SAGE Publications

Subject

Otorhinolaryngology

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