The GuideLiner™ (GL) (Vascular Solutions Inc., Minneapolis, MN, USA) is a guide catheter extension system that provides active back-up support by deep coronary intubation. In this regard, dedicated courses at experienced sites as well as medical simulation may be appropriate.read more read lessĪbstract: Aims: Optimal ostial seating and adequate back-up of guide catheters are required for challenging percutaneous coronary interventions (PCI). Therefore, interventional training programs should focus on this difficult technique to bridge the gap of experience which resulted from neglecting it for several years. Even if this additive benefit does not prove true, rot-ablation remains an efficient tool for preparing certain lesions to facilitate effective and safe DES implantation. An ongoing multicenter study is investigating such effect among complex calcified coronary lesions. In these studies, a subtle observation was made suggesting that rot-ablation prior to DES implantation in such lesions may have an add-on effect on long term outcome compared to DES alone. The limited studies with rot-ablation and DES showed promising results with no long term safety concerns. Therefore, more attention is now being paid to the initial implantation technique of DES including aggressive lesion preparation to facilitate stent delivery and expansion. However, real-world experience suggested that off-label use of DES is associated with a higher rate of early and late stent thrombosis. Its revival coupled the introduction of drug-eluting stents (DES) these devices have led to treating much more complex lesions and high-risk patients by PCI. Clinical follow-up was performed in all patients at 6.4☓ months target lesion revasculari.read more read lessĪbstract: Rotational atherectomy has been regaining interest over the last couple of years after it almost has disappeared from most interventional catheterization laboratories for several years due to failure to prove its original concept of improving long term results of percutaneous coronary interventions (PCI) as was repeatedly shown in studies in the 1990s. Angiographic follow-up was performed in 82.5% of lesions at 4.6☑.9 months with an angiographic restenosis rate of 22.5%. Acute stent thrombosis occurred in two lesions (1.9%), and subacute stent thrombosis in one lesion (0.9%).
Procedural success was achieved in 93.4% of lesions. Intravascular ultrasound–guided stenting was used without subsequent anticoagulation in 93% of patients. Methods and Results Seventy-five consecutive patients with 106 lesions had rotablation prior to coronary stenting. The purpose of this study was to evaluate the clinical and angiographic outcome of patients with complex and calcified lesions treated with a combination of rotablation and stenting. Rotablation can improve acute results, but the high restenosis rate remains a problem. The device effectively allowed stent delivery in challenging lesions, where conventional techniques have failed, without major complications.read more read lessĪbstract: Background Treatment of calcified (in contrast to simple) lesions with PTCA has been associated with a lower success rate and more procedural complications. Conclusion In this study, we presented a large registry of two centers used the GuideLiner catheter. None of the patients had coronary dissection or major complications. The mean depth of the GuideLiner catheter intubation was 30.3☒1.6 mm. The GuideLiner catheter was mainly used to increase back-up of the guide catheter (85.9%), and in 95.3% of all cases, the procedure was successful. Lesions were mostly (90.6%) class B2 or C according to the AHA/ACC lesion classification. Femoral approach was employed in all cases. Results The mean age of the patients was 69.8☑0.0 years. Descriptive statistics and frequencies were used in statistical analyses. The data were assessed in terms of the lesion characteristics, procedural success, and complications.
Methods We retrospectively collected the coronary angiography records of 64 patients between Januand Augin whom conventional techniques failed for stent delivery and 5-in-6 Fr GuideLiner catheter was used for this purpose.
In this study, we aimed to present one of the largest series of experience with GuideLiner catheter utilized for challenging percutaneous coronary interventions in two centers. Abstract: Objective GuideLiner catheter provides adequate back-up support and a coaxial guide engagement for stent delivery in complex coronary anatomies.