Assessing Eustachian tube passage and active opening with the Valsalva maneuver: Diagnostic performance, limitations, and its complementary role with sonotubometry
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Objective: To clarify the diagnostic performance and limitations of the Valsalva maneuver for assessing Eustachian tube (ET) function. We evaluated the quantitative and qualitative accuracy of the Valsalva maneuver for detecting ... ...
