Effect of Post-suction Recruitment on Lung Volume in Mechanically Ventilated ICU Patients

Patients who are intubated and mechanically ventilated in the intensive care unit (ICU) require repeated endotracheal suctioning to remove airway secretions. Although this procedure is necessary, it can cause a temporary collapse of lung units (alveolar derecruitment), leading to a decrease in lung volume and impaired oxygenation. A recruitment maneuver consists of briefly applying a higher airway pressure after suctioning in order to reopen collapsed lung areas and restore lung volume. However, the clinical benefit of performing a recruitment maneuver systematically after suctioning remains uncertain. This study aims to evaluate whether performing a recruitment maneuver immediately after closed-circuit endotracheal suctioning improves lung volume compared with suctioning alone. Lung volume will be assessed using electrical impedance tomography (EIT), a non-invasive bedside imaging technique that allows real-time monitoring of lung aeration. In a randomized crossover design, each patient will undergo two suctioning procedures: one followed by a recruitment maneuver and one without, in a random order. The main outcome will be the change in end-expiratory lung volume 15 minutes after suctioning. The results may help optimize ventilatory care in mechanically ventilated ICU patients.

This description comes directly from the study's public registry record.

Asmaa JOBIC, Ph.D  ·  04 83 77 20 61  ·  asmaa.jobic@ch-toulon.fr

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