1 1902 Willis Haviland Carrier invented the first air conditioner to control the temperature and humidity of a printing company, marking the first time effort taken to control the temperature of the surroundings. 2  This starts the history of air conditioning.
Following the introduction and widespread use of central venous catheters (CVCs) in adult patients, these devices are now frequently used also in the pediatric population. They have become an indispensable route for venous access, especially in pediatric intensive care units (PICUs).
A wide variety of central venous catheters are used. Complications related to central venous catheters are common and may cause serious morbidity and mortality. Several strategies can reduce central venous catheter related morbidity; these are implemented at catheter insertion and for the duration of its use.