Secondly, general preventive measures are warranted, as avoiding invasive procedures: indwelling urinary catheters, venous catheters and whatever else, provided that they are not needed, of course.

• 其次，为了进行全面预防，应避免不必要的侵入性操作，例如留置导管、静脉置管、以及其他任何非必须的操作。