The percutaneous treatment of complex coronary lesions is still a challenging problem, especially when using the transradial approach. Only one minor complication was recorded. GuideLiner was particularly helpful when using the transradial approach. Conclusion: Use of the GuideLiner was an effective and safe technique for the percutaneous treatment of complex coronary lesions in which the adequate progress of angioplasty devices had failed. A type B dissection of a proximal left circumflex artery was the only periprocedural complication. Unsuccessful cases were a chronic total occlusion and a diffusely diseased left anterior descendant artery. Results: Of the 16 angiographic procedures, 14 (87.5%) were successful (stent deployment in 13 cases and a drug-eluting balloon in 1 case). The indication for the use of GuideLiner was a difficulty to advance and properly position a stent through a tortuous and/or calcified artery despite using high-support guide catheters or other useful techniques. Sixteen consecutive procedures (in 15 patients 12 males and 3 females) were evaluated. The indication for its use, efficacy and periprocedural complications were determined. The transradial approach was used in all cases. Materials and Methods: The clinical, angiographic and procedural data of percutaneous coronary interventions where GuideLiner was used during 2013 were collected. Objective: The aim of this study was to describe our initial experience with the GuideLiner® catheter (Vascular Solutions Inc.) in the transradial treatment of complex lesions.
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