...Matthew E. Smith; Manohar Bance; James R. Tysome Objectives: To explore the relationship between aural symptoms during baro-challenge and the underlying measured Eustachian tube (ET) function. Two key questions were addressed. (1) In patients who have features of obstructive ET dysfunction...

...Qiuhong Huang; Zhigang Zhang; Yiqing Zheng; Qingyin Zheng; Suijun Chen; Yaodong Xu; Yongkang Ou; Zeheng Qiu The hypoxia-inducible factor and vascular endothelial growth factor (HIF-VEGF) pathway in hypoxic conditions of the middle ear due to dysfunction of the eustachian tube is still unknown...

...Petia Petrova; Sharon Freeman; Haim Sohmer Several mechanisms have been suggested to explain the clearance of fluids from the middle ear. These include a pumping action through the eustachian tube, mucociliary beating through the tube, outflow of water to the blood due to osmotic gradients...