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).
Possible complications from the use of a central venous catheter include: 1  Bleeding, caused by inserting the catheter into the vein. 2  Infection, requiring treatment with antibiotics or removal of the catheter. 3  Blood clots, which can form in blood vessels, especially in the arms.  A blocked 1  line. Kinking of the catheter.  Pain.