What are complications of mechanical ventilation?

Oxygen toxicity, barotrauma (air leak from alveolar rupture - least resistance bronchovascular bundles/hila/mediastinum ->causes subcutaneous emphysema , eventually causes pneumothorax), hyperinflation (PEEPi - pneumothorax or diaphragm flattening, hypotension), VALI (volutrauma- inflammation), tracheomalacia, trauma of vocal cords, lips, teeth, oral.., unplanned extubation, bronchial intubation, esophageal intubation, tracheostomy bleed, GI bleed (stress ulceration/ gastritis)