What is the recommended amount of suction applied to a chest tube drainage system in most cases?

The recommended amount of suction applied to a chest tube drainage system in most cases is set at -20 cm H2O. This level of suction is typically sufficient to facilitate effective drainage of air or fluid from the pleural space while minimizing discomfort and complications for the patient. The -20 cm H2O suction prevents excessive negative pressure that could lead to complications such as tissue damage or reduced blood flow to the lung tissue.

In clinical practice, this moderate level provides an adequate balance between ensuring drainage efficacy and promoting patient safety, aligning with recommendations from clinical guidelines and evidence-based practices. Careful adjustment and monitoring of this suction level are crucial, as individual patient conditions may necessitate tailoring the suction to optimize therapeutic outcomes.