Guideliner balloon anchor technique3/7/2023 ![]() Conclusions The GuideLiner mother‐and‐child catheter is a simple, safe and efficacious adjunctive device for difficult CTO PCIs where despite standard measures it is not possible to deliver an initial balloon or microcatheter across the occluded segment. A side branch anchor technique employs the inflation of a small balloon in a side branchusually a conus or right ventricular marginal in the right coronary artery, a diagonal for the left anterior descending, or an obtuse marginal for the circumflexto anchor the guide in place. Overall procedural success in these selected cases (where a guidewire had already crossed the CTO) was 89.3% (25/28). used, including balloon anchoring and guide extension. A single CTO PCI resulted in a distal guidewire perforation, but there was no hemodynamic compromise or pericardial effusion and the patient was discharged the next day. The GuideLiner catheter was successful in delivering a small balloon to the CTO lesion in 85.7% of cases (24/28). Mean overall CTO length was 26.3 ± 18.1 mm. Results We identified 28 patients that underwent PCI for CTO with a GuideLiner catheter used to assist initial balloon or microcatheter advancement across the culprit lesion. ![]() Cine review was performed to identify cases where a guidewire had crossed the CTO and the use of a GuideLiner catheter facilitated initial device delivery. Methods We retrospectively accessed our interventional registry for to and extracted data on all CTO lesions involving GuideLiner catheter use. ![]() Background During PCIs for CTO lesions, an important reason for procedural failure is the inability to deliver a balloon or microcatheter across the lesion. To deliver a guide extension, there must be a GC and a wire in the artery. Objectives To investigate the use of the GuideLiner “mother‐and‐child” guide catheter extension system as a simple solution to facilitate initial device delivery in balloon uncrossable chronic total occlusions (CTOs) undergoing percutaneous coronary intervention (PCI). The TrapLiner catheter (Teleflex) has a shorter, 13-cm rapid exchange catheter portion and a balloon on the pushrod that is used to trap the wire to facilitate removal and delivery of over-the-wire equipment. Available in five sizes: 5, 5.5, 6, 7 and 8 Fr. Since being introduced, GuideLiner Catheters have been recognized by interventionalists as essential tools for addressing difficult anatomies. NARAYAN, RAJEEV KIM, DONG‐BIN SHARMA, SAMIN K. From challenging lesions to impossibly acute angles, percutaneous coronary interventions have grown more complex. GuideLiner Mother‐and‐Child Guide Catheter Extension : A Simple Adjunctive Tool in PCI for Balloon Uncrossable Chronic Total Occlusions GuideLiner Mother‐and‐Child Guide Catheter Extension : A Simple Adjunctive Tool in PCI for.
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