<prompt> Most common complicationassociated with Total Parenteral Nutrition is :Catheter related infectionHyperglycemiaPneumothoraxHyperkalemia  <response>: Most common complication associated with TPN is Catheter related infectionTotal Parenteral Nutrition :For providing nutritional supportAll nutritional requirements given only through IV routeTPN is given through central vein and not through a peripheral veinCan also use Peripherally Inserted Central Catheter PICCPreferred site for central vein infusion is the Superior vena cavaPreferred access sites are Subclavian Jugular Femoral veinTotal volume of PN should be 2000-300 mlday 