Mechanical Ventilation and Respiratory Care Anesthesia Key In an adult patient with obesityhypoventilation syndrome who fails a volumeassured pressuresupport (VAPS) titration, should we proceed to invasive mechanical ventilation via tracheostomy? Home Noninvasive Ventilation in COPD CHEST The LUISA ventilator's TTV VAPS AE mode offers settings designed to allow for a more comfortable, individualized therapy for patients. LUISA is the only home ventilator that offers an Auto Rate feature authorized to ship