![]() Ĭurrently, the radial approach is the most widely used in our setting due to its efficiency and low complication rate, in spite of the development of useful femoral closure devices. The presence of calcification, marked tortuosity or treatment of total chronic occlusions and the difficulty in the use of angioplasty balloons and stents lead to a considerable failure of stent deployment (approximately 3%) or to the development of other complications. 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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