Made available in DSpace on 2021-06-26T06:17:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01; BACKGROUND: In mechanically ventilated subjects, intra-tracheal secretions can be aspirated with either open suction systems (OSS) or closed suction systems (CSS). In contrast to CSS, conventional OSS require temporarily disconnecting the patient from the ventilator, which briefly diminishes PEEP and ox...