{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T08:57:53Z","timestamp":1792054673303,"version":"4.4.0"},"reference-count":36,"publisher":"American Speech Language Hearing Association","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Speech Lang Hear Res"],"published-print":{"date-parts":[[1992,8]]},"abstract":"<jats:p>Pre- and postoperative equivalent ear canal volume measures were obtained from a group of 334 children ranging in age from 6 weeks to 6.7 years. The purpose of the study was to develop volumetric guidelines for the determination of tympanostomy tube patency. For children 4 years and older, almost no ambiguity existed in making this determination accurately. For younger children, the pre- and postoperative distributions overlap. A criterion value of \u22651.0 cm<jats:sup>3<\/jats:sup>as an indicator of a tympanic membrane perforation appears to yield the lowest possible error rate. When both pre- and postoperative measures are available, a difference of \u22650.4 cm<jats:sup>3<\/jats:sup>can be used in conjunction with the absolute value to identify a patent tympanostomy tube.<\/jats:p>","DOI":"10.1044\/jshr.3504.936","type":"journal-article","created":{"date-parts":[[2014,7,29]],"date-time":"2014-07-29T21:21:11Z","timestamp":1406668871000},"page":"936-941","source":"Crossref","is-referenced-by-count":23,"title":["Equivalent Ear Canal Volumes in Children Pre- and Post-Tympanostomy Tube Insertion"],"prefix":"10.1044","volume":"35","author":[{"given":"Janet E.","family":"Shanks","sequence":"first","affiliation":[{"name":"VA Medical Center Long Beach, California and University of California, Irvine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia G.","family":"Stelmachowicz","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital Omaha, NE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathryn L.","family":"Beauchaine","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital Omaha, NE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Schulte","sequence":"additional","affiliation":[{"name":"Boys Town National Research Hospital Omaha, NE"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1310","reference":[{"key":"e_1_3_2_2_1","unstructured":"American national standard specifications for instruments to measure aural acoustic impedance and admittance (aural acoustic immittance). ANSI S3.39 1987 American National Standards Institute"},{"key":"e_1_3_2_3_1","first-page":"17","article-title":"American Speech-Language-Hearing Association","volume":"32","year":"1990","journal-title":"Guidelines for screening for hearing impairments and middle ear disorders. Asha"},{"key":"e_1_3_2_4_1","first-page":"29","volume":"83","author":"Andreasson L","year":"1977","journal-title":"Correlation of tubal function and volume of mastoid and middle ear space as related to otitis media. Acta Otolaryngologies (Stockholm)"},{"key":"e_1_3_2_5_1","first-page":"430","article-title":"Laryngoscope","volume":"96","author":"Aoki K","year":"1986","journal-title":"Effect of middle ear infection upon the pneumatization of the mastoid: An experimental study in pigs."},{"key":"e_1_3_2_6_1","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1017\/S0022215100107947","article-title":"Organogenesis of the middle ear structures","volume":"103","author":"Ars B","year":"1989","journal-title":"Journal of Laryngology and Otology"},{"key":"e_1_3_2_7_1","first-page":"264","article-title":"External ear resonance characteristics in children.","volume":"54","author":"Bentler R. A","year":"1989","journal-title":"Journal of Speech and Hearing Research"},{"key":"e_1_3_2_8_1","unstructured":"Bluestone C. D. & Klein J. 0. (1988). Otitis media in children. Philadelphia: W. B. Saunders."},{"key":"e_1_3_2_9_1","article-title":"Hearing aid receiver output in occluded ear canals in children","author":"Bratt G. W","year":"1980","journal-title":"Unpublished doctoral dissertation"},{"key":"e_1_3_2_10_1","unstructured":"De Jongs R. (1984). Tympanometry and the evaluation of middle ear disease in children. Audiology 9 75\u201390."},{"key":"e_1_3_2_11_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3109\/00016486509126982","article-title":"The \u201cpathologic size\u201d of the mastoid air cell system","volume":"60","author":"Diamant M","year":"1965","journal-title":"Acta Otolaryngologies (Stockholm)"},{"key":"e_1_3_2_12_1","first-page":"298","article-title":"Secretory otitis media and its sequelae","author":"Dolan K","year":"1979","journal-title":"Mastoid pneumatization. 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Wilber (Eds.), Acoustic impedance and admittance \u2014The measurement of middle ear function"},{"key":"e_1_3_2_16_1","doi-asserted-by":"crossref","first-page":"23","DOI":"10.3109\/00016486509126985","article-title":"The size of the mastoid air cell system","volume":"60","author":"Flisberg K.","year":"1965","journal-title":"Acta Otolaryngologica (Stockholm)"},{"key":"e_1_3_2_17_1","article-title":"Longitudinal tympanometry and pneumatic otoscopy in healthy newborn infants.","author":"Hotte L. A","year":"1989","journal-title":"Unpublished doctoral dissertation"},{"key":"e_1_3_2_18_1","first-page":"576","article-title":"The acoustic properties of the infant ear","volume":"103","author":"Kruger B.","year":"1987","journal-title":"Acta Otolaryngologies (Stockholm)"},{"key":"e_1_3_2_19_1","first-page":"145","article-title":"Acoustic immittance of an enclosed volume of air","author":"Lilly D.","year":"1981","journal-title":"In G. 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Audiology"},{"key":"e_1_3_2_22_1","first-page":"435","article-title":"Journal of Speech and Hearing Research","volume":"18","author":"Margolis R","year":"1975","journal-title":"Static and dynamic acoustic impedance measurements in infant ears"},{"key":"e_1_3_2_23_1","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1177\/019459988609400113","article-title":"Cochlear implantation in children","volume":"94","author":"Donoghue G.","year":"1986","journal-title":"The problem of head growth. Otolaryngology\u2014Head and Neck Surgery"},{"key":"e_1_3_2_24_1","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1177\/088307388600100107","article-title":"Development of paranasal and mastoid sinuses","volume":"1","author":"Tuama L. A","year":"1986","journal-title":"A computed tomographic pilot study. 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