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Evid Based Nurs 7:43 doi:10.1136/ebn.7.2.43
  • Treatment

Ear drops containing steroids were better than acetic acid for otitis externa


 
 Q In patients with acute otitis externa, what is the relative effectiveness of ear drops containing acetic acid, steroids and acetic acid, and steroids and antibiotics?

METHODS

GraphicDesign:

randomised controlled trial.

GraphicAllocation:

concealed.

GraphicBlinding:

blinded (health care providers and patients).

GraphicFollow up period:

42 days.

GraphicSetting:

47 general practices in the central part of the Netherlands.

GraphicPatients:

213 patients (mean age 43 y, 50% men) presenting with signs and symptoms of acute otitis externa. Exclusion criteria: age ⩽17 years, pregnancy, otitis externa lasting >3 weeks, furuncle in the external auditory canal, acute otitis media, perforated eardrum, perichondritis, fever, allergy to study drugs, or treatment for acute otitis externa in the past month.

GraphicInterventions:

3 ear drops 3 times daily of 7.2 mg of acetic acid per gram of propylene glycol (acetic acid group) (n = 71); 0.1% triamcinolone acetonide and acetic …

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