https://www.cochrane.org/fr/CD013429/CENTRALED_quels-sont-les-benefices-et-les-risques-de-la-dilatation-de-la-trompe-deustache-par-ballonnet-pour 2025 United Kingdom review of literature french abstract risk assessment risks and benefits dysfunction of eustachian tube dilatation, nos eustachian tube dilatation obstruction of eustachian tube, nos