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This study aimed to investigate the diagnostic value of wideband acoustic absorbance testing in otitis media with effusion.
This prospective study compared middle-ear wideband acoustic absorbance rates in three paediatric patient groups: a healthy group of 34 volunteers; 48 patients diagnosed with otitis media with effusion; and 28 patients with chronic effusion but no sign of effusion during myringotomy. The diagnostic value of absorbance testing was analysed with the receiver operating characteristic test.
The wideband acoustic absorbance rate was significantly lower in the otitis media with effusion group than in both the otitis media and healthy groups at the 0.375–2 kHz averaged mean absorbance (p < 0.017 and p < 0.001, respectively). Receiver operating characteristic analysis showed the highest diagnostic value for the 0.375–2 kHz averaged mean (area under the curve 0.984), followed by those at 1 and 1.5 kHz (area under the curve: 0.973 and 0.967, respectively).
The wideband acoustic absorbance test is more accurate for detecting middle-ear effusion compared with conventional 226-Hz tympanometry. Its practicality and objectivity suggest that the wideband acoustic absorbance test may be a better alternative for diagnosing otitis media with effusion.
The use of endoscopic techniques is becoming more widespread in otological and neuro-otological surgery. One such procedure, endoscopic tympanoplasty, is used in chronic otitis media treatment. This study aimed to analyse the results of endoscopic transcanal cartilage tympanoplasty.
Data of tubotympanic chronic otitis media patients who underwent transcanal endoscopic type I cartilage tympanoplasty between June 2012 and May 2013 were analysed. The main outcome measures were graft success and hearing improvement.
Graft success rates were 94.3 per cent and 92.5 per cent at post-operative months one and six, respectively. Post-operative air–bone gap values were significantly improved over pre-operative values (p < 0.01).
Transcanal endoscopic type I cartilage tympanoplasty is a minimally invasive, effective and reliable surgical treatment option for chronic otitis media.
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