What is the pressure range for IPAP in BiPAP therapy?

In BiPAP therapy, the inspiratory positive airway pressure (IPAP) plays a crucial role in providing pressure support during inhalation for patients, typically those with obstructive sleep apnea or respiratory failure. The appropriate pressure range for IPAP is typically between 8-12 cm H2O. This range is effective in ensuring adequate ventilation and oxygenation while maintaining patient comfort.

When IPAP is set within this range, it helps to alleviate the work of breathing by increasing the air volume delivered during inhalation, thereby improving tidal volume and reducing the effort required from the patient. It's a balance that provides effective respiratory support without exceeding physiological limits that could potentially lead to discomfort or complications.

Ranges that are set too low, like 4-6 cm H2O, may not provide sufficient support for patients who need assistance, while higher ranges, such as 15-20 cm H2O, may be required in specific severe cases but are generally not the first line for most patients due to the increased risk of discomfort, air trapping, and other complications. Thus, the 8-12 cm H2O setting is recognized as the optimal starting range for IPAP in BiPAP therapy in many clinical scenarios.