Predictive value of diaphragmatic ultrasound for weaning outcomes in mechanically ventilated patients with acute exacerbation of chronic obstructive pulmonary disease: a systematic review and meta-analysis
Weaning failure in mechanically ventilated patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) remains a critical ICU challenge that substantially increases mortality. Although point-of-care diaphragmatic ultrasound is widely proposed to guide weaning decisions, its diagnostic accuracy re...