After the approval given by the Ethic and Investigation Committee of our institution, and the obtainment of the documented consent from each of the participants, there were 90 ASA I-II adult patients, of both sexes studied, who were randomly programmed for surgery using general anesthesia and that would require orotracheal intubation.
Luego de la aprobación del Comité de Ética e Investigaciones de nuestra institución, y de la obtención del consentimiento informado de cada uno de los participantes, se estudiaron 90 pacientes adultos, de ambos sexos, con ASA I-II, programados de forma electiva para cirugía con anestesia general que requiriera intubación orotraqueal.