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J R Soc Med. 1984 September; 77(9): 751–753.
PMCID: PMC1439984

Factors affecting the extrusion rates of ventilation tubes.


A survey in which 939 ventilation tubes of 8 different patterns were inserted and reviewed (up to a maximum of 2 1/4 years) is analysed. Various factors determining the rate of extrusion are discussed. The Sheehy Collar Button tube remained functional for a longer period than any of the other tubes included in the survey.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Holt JJ, Harner SG. Effects of large-bore middle ear ventilation tubes. Otolaryngol Head Neck Surg (1979) 1980 Sep-Oct;88(5):581–585. [PubMed]
  • Pappas JJ. Middle ear ventilation tubes. Laryngoscope. 1974 Jul;84(7):1098–1117. [PubMed]
  • Paradise JL. On tympanostomy tubes: rationale, results, reservations, and recommendations. Pediatrics. 1977 Jul;60(1):86–90. [PubMed]
  • Shah N. Use of grommets in 'glue' ears. J Laryngol Otol. 1971 Mar;85(3):283–287. [PubMed]

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