Introduction
Mechanical ventilation is an important modality for saving the lives of critically ill patients, and up to 10%–50% of mechanically ventilated patients require prolonged mechanical ventilation (PMV) (≥21 days).1–3 Elderly…

Mechanical ventilation is an important modality for saving the lives of critically ill patients, and up to 10%–50% of mechanically ventilated patients require prolonged mechanical ventilation (PMV) (≥21 days).1–3 Elderly…