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The GuideLiner catheter (Vascular Solutions, Minneapolis, MN) is a rapid-exchange “mother and child” guide extension that increases support in complex percutaneous coronary intervention (PCI). While this device was primarily designed to facilitate balloon and stent delivery, we describe the use of this device to reduce contrast volume through sub-selective visualization in a patient with chronic kidney disease (CKD) undergoing PCI of the left coronary system. © 2011 Wiley Periodicals, Inc. |