Study of 2280 dermatomyositis (DM) & polymyositis (PM) pts looked at short term (ST: <3 mos) vs long term (LT) steroid (GC) use. Vs ST, LT GC use assoc w/ higher risks of heart failure (adj OR 1.8), osteoporosis (1.9), all-cause & PM/DM-related admission (3.8) & higher costs https://t.co/Q9xt06yzew