Effectiveness of Kobayashi plug for 252 ears with chronic patulous Eustachian tube.

Effectiveness of Kobayashi plug for 252 ears with chronic patulous Eustachian tube.

Acta Otolaryngol. 2016 Sep 26;:1-6

Authors: Kikuchi T, Ikeda R, Oshima H, Takata I, Kawase T, Oshima T, Katori Y, Kobayashi T

Abstract
CONCLUSIONS: Trans-tympanic plugging of the Eustachian tube (ET) with the silicone plug (Kobayashi Plug) induced long-term effectiveness for over 80% of chronic and severe patulous ET (PET) patients. The New Kobayashi Plug was more effective with fewer complication of plug descent to the pharyngeal orifice.
OBJECTIVE: To investigate the effectiveness and complications of trans-tympanic plugging of the ET using a Kobayashi Plug for chronic PET.
METHOD: Trans-tympanic plugging of the ET using the Kobayashi Plug was performed for 252 ears of 191 patients. The Prototype Plug (115 ears of 82 patients in 2001-2007) and the New Plug (137 ears of 109 patients in 2008-2013) were inserted for chronic PET patients.
RESULTS: The success rate of the Kobayashi Plug for PET was 83.0% of a total (Prototype Plug 80.0%, New Plug 85.4%). In 26 ears, the Prototype Plugs were found to have descended toward the nasopharynx. Conversely, this did not happen with the New Plug. The rate of TM perforation (Prototype 22.6%, New 17.5%), middle ear effusion (Prototype 20.2%, New 10.2%) and ventilation tube placement (Prototype 14.8%, New 4.4%) decreased after transition to the New Plug.

PMID: 27666086 [PubMed - as supplied by publisher]

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