Clinical Otolaryngology 2004-12-01

Otic drops used to clear a blocked grommet: an in vitro prospective randomized controlled study with blinded assessment.

P Jassar, J Jose, J J Homer

Index: Clin. Otolaryngol. Allied Sci. 29(6) , 602-5, (2004)

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Abstract

Clinicians often prescribe otic drops anecdotally to try and clear grommets blocked with blood. We carried out an in vitro double-blind randomized controlled study comparing the efficacy of sodium bicarbonate, Locorten Vioform and olive oil drops in clearing Shah grommets placed in 'artificial ears' and blocked with blood in a standardized fashion. There were 33 grommets in each group, and drops were inserted three times a day for 7 days. Olive oil drops cleared 17 of 33 (51.51%), Locorten Vioform cleared one of 33 (3%) and sodium bicarbonate cleared zero of 33 (0%) blocked grommets. Statistical comparison between pairs indicates that olive oil was significantly better than both Locorten Vioform (P < 0.001) and sodium bicarbonate drops (P < 0.001) at clearing grommets blocked with blood.

Related Compounds

  • Flumethasone 21-pi...
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