Premier, one of the largest healthcare group purchasing organizations in the United States, has extended its agreement with Medrad Inc. to provide vascular injection systems and related disposables used in CT, MR and cardiovascular imaging for two additional years.

The agreement will provide Premier’s 1,700 hospital members and more than 46,500 other healthcare sites with continued access through 2011 to the most comprehensive line of vascular injection systems offered by a single manufacturer.