A Honor Society of Nursing (STTI) answered. The rate of incidence for pancreatitis each year in the United States is over 300,000 people. Roughly 200,000 people are hospitalized each year for treatment of acute pancreatitis.
As reported in Diabetes Technology & Management, recent research shows that smaller 8 millimeter (mm), 6 mm, and 4 mm needles are as effective, regardless of body mass. This makes insulin injections more acceptable and less painful than it was in the past.
1 Not all insulin types are available for use in insulin pen cartridges. 2  Insulin pens do not let you mix insulin types, which means that if the insulin mixture you need is not available as a pre-mix, two injections must be given - one for each type of insulin.  Insulin pens should only be used for self-injection.