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A randomized study of four different types of tympanostomy ventilation tubes - Full-term follow-up
Sophiahemmet University.
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2018 (English)In: International Journal of Pediatric Otorhinolaryngology, ISSN 0165-5876, E-ISSN 1872-8464, Vol. 107, p. 140-144, article id S0165-5876(18)30078-8Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To evaluate the impact of tympanostomy ventilation tube material (silicone vs fluoroplastic) and shape (short vs long) regarding time to extrusion, occurrence of otorrhea, occlusion, tube removal and occurrence of persistent perforation.

METHODS AND MATERIAL: Four different types of ventilation tubes were used; Long Armstrong tubes, Donaldson tubes, Shepard tubes and straight tubes, representing four specific combinations of VT material (silicone or fluoroplastic) and shape (short, double flanged or long, single flanged). Four hundred children scheduled for bilateral tube insertion were included in a randomized trial. The patients received one type of tube in the right ear and another type in the left ear. The incidence of tube extrusion and complications were monitored postoperatively every third month by an otolaryngologist.

RESULTS: Twenty-two children were excluded during surgery. Out of the studied 378 children the mean age was 35.3 months. 63.8% were boys. Short tubes extruded earlier than long tubes; hazard ratio (HR) 4.84 (95% CI 3.50-6.69, p < 0.001). Long Armstrong tubes were least prone to extrude. Silicone tubes resulted in significantly longer time to first infection in a VT ear, HR 1.68 (95% CI 1.03-2.76, p = 0.039). Donaldson tubes rendered the longest mean time to first infection (p = 0.025). Infections did not affect tube extrusion rates significantly (p = 0.879). No significant differences were found regarding tube occlusion, tube extraction or persistent perforation.

CONCLUSIONS: Long tubes are less prone to extrude early. Long Armstrong tubes have the least propensity to extrude early. Silicone tubes render significantly longer time to first infection. Donaldson tubes result in least infections. Infection does not affect extrusion rates significantly.

LEVEL OF EVIDENCE: 1b.

Place, publisher, year, edition, pages
2018. Vol. 107, p. 140-144, article id S0165-5876(18)30078-8
Keyword [en]
Complications, Extrusion, Material, Occlusion, Otorrhea, Secretory otitis media, Tympanic membrane perforation, Tympanostomy tubes, Ventilation tubes
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:shh:diva-2946DOI: 10.1016/j.ijporl.2018.02.012PubMedID: 29501296OAI: oai:DiVA.org:shh-2946DiVA, id: diva2:1207006
Available from: 2018-05-18 Created: 2018-05-18 Last updated: 2018-05-18Bibliographically approved

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