Patients under 18 years of age, or patients who had been intubated previously or had a tracheostomy, non-collaborating patients, or patients who were allergic to any of the drugs administered were excluded.
Se excluyeron los pacientes menores de 18 años, previamente intubados o portadores de una traqueostomía, no colaboradores o alérgicos a alguno de los fármacos administrados.