At what pressure reading does the WSACS recommend that intervention begins for intra-abdominal hypertension (IAH) Grade II?

The correct answer indicates that intervention for intra-abdominal hypertension (IAH) Grade II should begin at a pressure reading of 16 mmHg. This recommendation is based on the classification of IAH, where Grade II is defined by intra-abdominal pressure readings that range from 16 to 20 mmHg. Clinically, it is important to initiate intervention at this point to prevent progression to more severe forms of intra-abdominal hypertension, which can lead to significant complications including abdominal compartment syndrome.

Monitoring intra-abdominal pressure is crucial in critically ill patients, particularly those who are at risk for abdominal hypertension due to various factors such as trauma, surgery, or underlying medical conditions. By recognizing when the pressure reaches this threshold, healthcare providers can implement early interventions to mitigate risks, such as fluid management, sedation, or in severe cases, decompression. Therefore, the guideline emphasizes starting at 16 mmHg to help manage and potentially reverse the adverse effects associated with increased intra-abdominal pressure.