“…1,2 The American College of Radiology and Society of Interventional Radiology's Practice Guidelines suggests catheter drainage of pathological body fluid collections has a curative and partial success rate of 85%. 3,4 Drainage catheters are effective in evacuating fluid collections regardless of their different shapes, lengths, configurations, and variable number of side holes. Catheter drainage efficiency, defined as the volume drained in a given period of time, has been the focus of several in vitro investigations 5e9 ; however, drainage catheter selection by interventional radiologists often depends on their availability and personal preference.…”