CHICAGO, Jan. 23, 2019 /PRNewswire/ — Planned knee and hip replacement procedures continue to climb in cost and volume, particularly among younger Americans, according to a review of medical claims data from 2010-2017 by the Blue Cross Blue Shield Association (BCBSA). Knee replacements are up by 17 percent and hip replacements are up 33 percent. Costing more than $25 …