Acute otitis media (AOM) together with seromucous otitis (SMO) are one of the most frequent pathologies during childhood. Most of them resolve spontaneously, but 6% of them require surgical treatment through the placement of transtympanic drains. Quick and simple surgery that effectively resolves this pathology. Our service also performs mastoiditis surgeries, chronic otitis, tympanoplasty, etc. Hearing surgery through conventional surgery of stapedectomies, as well as more sophisticated surgeries through Implantable Hearing Devices, Cochlear Implants...