What should be the desired outcome of proper mask fitting and setup in NIV?

The desired outcome of proper mask fitting and setup in noninvasive ventilation (NIV) is effective ventilation and patient compliance. When a mask is fitted correctly, it creates an adequate seal which is crucial for delivering the positive pressure necessary for effective ventilation. A well-fitted mask minimizes air leaks, ensuring that the delivered pressures reach the patient's airways effectively, enhancing the overall efficacy of the treatment.

Additionally, proper fitting improves patient comfort, which is essential for patient compliance. Patients are more likely to tolerate NIV therapy when the mask fits well and does not cause pressure sores or discomfort. As a result, adherence to the prescribed therapy is likely to improve, facilitating better clinical outcomes and support for the patient's respiratory needs.

In contrast, factors like lower pressure requirements, while potentially beneficial, do not represent the primary goal of mask fitting and setup. Monitoring of patient conditions should remain robust regardless of mask fit to ensure patient safety. Increased gas leakage, on the other hand, is detrimental and can lead to inadequate ventilation and reduced impact of the therapy.