Protective ventilation strategies and alveolar recruitment maneuvers (ARM) are employed in patients with acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) to improve oxygenation, prevent alveolar collapse, and reduce ventilation-induced lung injury. Recruitment maneuvers aim to open and maintain alveoli. While positive effects on oxygenation have been observed in adults, limited data in children make the clinical efficacy of these strategies uncertain. Careful application and the development of individualized treatment protocols are recommended.
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Diaphragm thickness 1
Timeframe: Baseline measurement prior to anesthesia induction (within 30 minutes before surgery).
Diaphragm thickness 2
Timeframe: Immediately after extubation in the operating room (within 5 minutes of extubation).
Diaphragm thickness 3
Timeframe: 30 minutes after surgery completion (within the postoperative recovery period, up to 30 minutes).