10 March 2023 : Clinical Research
Balloon Dilation Eustachian Tuboplasty Combined with Tympanotomy Tube Insertion for Treatment of Refractory Otitis Media with Effusion: A Randomized, Prospective, Controlled Trial Comparing Local Anesthesia Combined Sedation Versus General Anesthesia
Bingyi Dai1ABCDE, Xiao Yin1BF, Danni Guo 1ABCDEFG, Xiaodong Du1ADEF*DOI: 10.12659/MSM.938879
Med Sci Monit 2023; 29:e938879
Figure 1 Acoustic impedance measurement. (A) Pure tone audiogram suggests conductive hearing loss, air-bone gap is approximately 30 DB. (B) Acoustic immittance showed a type B tympanogram.