Prevalence of tympanic haemorrhage after microscopic paranasal sinus surgery

Angela Färber, Stefanie Drüg-Skamel & Klaus Begall
Introduction: The operative remediation of recurrent and chronical paranasal sinus diseases is received standard whenever a nonsurgical therapy has no or non-permanent improvement. How high is the risk that blood from the operative region attains to the tympanic cavity via eustachian tube? [for full text, please go to the a.m. URL]