{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T07:57:51Z","timestamp":1777881471906,"version":"3.51.4"},"reference-count":41,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Trends in Hearing"],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:p>In children with normal cochlear acuity, middle ear fluid often abolishes otoacoustic emissions (OAEs), and negative middle ear pressure (NMEP) reduces them. No convincing evidence of beneficial pressure compensation on distortion product OAE (DPOAE) has yet been presented. Two studies aimed to document effects of NMEP on transient OAE (TEOAE) and DPOAE. In Study 1, TEOAE and DPOAE pass\/fail responses were analyzed before and after pressure compensation in 50 consecutive qualifying referrals having NMEP from \u2212100 to \u2212299\u2009daPa. Study 2 concentrated on DPOAE, recording both amplitude (distortion product amplitude) and signal-to-noise ratio (SNR) before and after pressure compensation. Of the 20 participants, 5 had both ears qualifying. An effect of compensation on meeting a pass criterion was present in TEOAE for both left and right ear data in Study 1 but not demonstrable in DPOAE. In Study 2, the distortion product amplitude compensation effect was marginal overall, and depended on recording frequency band. SNR values improved moderately after pressure compensation in the two (overlapping) sets of single-ear data. In the five cases with both ears qualifying, a stronger compensation effect size, over 3\u2009dB, was seen. The absolute dependence of SNR on frequency was also strongly replicated, but in no analysis, the frequency\u2009\u00d7\u2009compensation interaction was significant. Independent of particular frequency range, the data support a limited SNR improvement in 2 to 3\u2009dB for compensation in DPOAE, with slightly larger effects in ears giving SNRs between 0\u2009dB and +6\u2009dB, where pass\/fail cutoffs would generally be located.<\/jats:p>","DOI":"10.1177\/2331216518812251","type":"journal-article","created":{"date-parts":[[2018,11,28]],"date-time":"2018-11-28T07:00:47Z","timestamp":1543388447000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Contrasting Effects of Pressure Compensation on TEOAE and DPOAE in Children With Negative Middle Ear Pressure"],"prefix":"10.1177","volume":"22","author":[{"given":"Snezana A.","family":"Filipovi\u0107","sequence":"first","affiliation":[{"name":"Department of Audiology, Clinic for Otorhinolaryngology and Maxillofacial Surgery, Clinical Centre of Serbia, Belgrade, Serbia"},{"name":"Department of Audiology, Mater Dei Hospital, Msida, Malta"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark P.","family":"Haggard","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Cambridge, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helen","family":"Spencer","sequence":"additional","affiliation":[{"name":"Independent, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Goran","family":"Trajkovi\u0107","sequence":"additional","affiliation":[{"name":"Institute of Medical Statistics and Informatics, University of Belgrade School of Medicine, Serbia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2018,11,28]]},"reference":[{"key":"bibr1-2331216518812251","doi-asserted-by":"publisher","DOI":"10.1121\/1.2734481"},{"key":"bibr2-2331216518812251","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-199506000-00006"},{"key":"bibr3-2331216518812251","volume-title":"Audiology: The fundamentals","author":"Bess F.","year":"2003","edition":"3"},{"key":"bibr4-2331216518812251","doi-asserted-by":"publisher","DOI":"10.1097\/00003446-199410000-00005"},{"key":"bibr5-2331216518812251","unstructured":"Bray, P. (1989).\n                      A study of the properties of click-evoked otoacoustic emissions and development of a clinical otoacoustic hearing test instrument\n                      (PhD thesis). 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