Table 4.

Sample list of interventions considered in guideline development for sinusitis^*

Diagnosis	Treatment	Prevention
targeted history physical examination anterior rhinoscopy transillumination nasal endoscopy nasal swabs antral puncture culture of nasal cavity,    middle meatus, or other    site imaging procedures blood tests: CBC, others allergy evaluation and    testing immune function testing gastroesophageal reflux pulmonary function tests mucociliary dysfunction    tests	watchful waiting/observation education/information systemic antibiotics topical antibiotics oral/topical steroids systemic/topical decongestants antihistamines mucolytics leukotriene modifiers nasal saline analgesics complementary and alternative    medicine postural drainage/heat biopsy (excluded from    guideline) sinus surgery (excluded from    guideline)	topical steroids immunotherapy nasal lavage smoking cessation hygiene education pneumococcal vaccination influenza vaccination environmental controls

^*Adapted from Rosenfeld et al.⁴