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coronary bifurcation intervention

Fernando Alfonso, Marcos García-Guimarães, Gonzalo Navarrete, Javier Cuesta, Teresa Bastante, Amparo Benedicto, Fernando Rivero, Bernardo Cortese
Drug-eluting balloons (DEB) may be considered as a "quiet revolution" in percutaneous coronary interventions. Early-generation DEB eluting paclitaxel proved to be very effective in animal models to reduce neointimal hyperplasia. Areas covered: Review of DEB efficacy in patients with coronary de novo lesions and in-stent restenosis (ISR). Expert opinion: Many randomized clinical trials and meta-analyses have demonstrated the value of DEB in patients with ISR. In this setting, DEB are safe and effective with clinical and angiographic results superior to plain balloon angioplasty and at least equivalent to first generation drug-eluting stents (DES)...
October 8, 2016: Expert Opinion on Drug Delivery
H M Nef, O Dörr, H Möllmann, A Elsässer
Bifurcation lesions are a therapeutic challenge in the interventional treatment of coronary artery disease. Thus, consideration of anatomical aspects and selection of the most appropriate strategy for an individual bifurcation have an impact on the interventional outcome. Accordingly, assessment of the type of bifurcation stenosis, including the relevance of the side branches, vessel diameter and the angle between the two branches are critical for the optimal choice of interventional strategy. The fractional flow reserve (FFR) is a parameter that provides a measure of the severity of coronary stenosis and despite some limitations, FFR can be applied to bifurcation lesions...
October 7, 2016: Herz
Takayuki Yabe, Mikihoto Toda, Rine Nakanishi, Daiga Saito, Ippei Watanabe, Ryo Okubo, Hideo Amano, Takanori Ikeda
BACKGROUND: The treatment strategy for in-stent restenosis (ISR) with bifurcation lesions has not been well explored. We examined the clinical outcomes between final kissing balloon technique (FKBT) after stent implantation and single-stent implantation without FKBT for bifurcation ISR lesions. METHODS: We identified 115 consecutive ISR with bifurcation lesions among 108 patients who underwent drug-eluting stent implantation. The patients were divided into the FKBT group (34 patients, 35 lesions) and the non-FKBT group (74 patients, 80 lesions)...
September 27, 2016: Journal of Cardiology
Manuel Pan, Soledad Ojeda, Elena Villanueva, Jorge Chavarria, Miguel Romero, Javier Suarez de Lezo, Francisco Mazuelos, Jose Segura, Francisco Carrasco, Francisco Hidalgo, Jose Lopez Aguilera, Sara Rodriguez, Miguel Puente, Jose Suarez de Lezo
OBJECTIVES: The study sought to compare the safety (resistance to damage) and efficacy (ability to cross the side branch) of polymer-coated and non-polymer-coated guidewires in the jailed wire technique used during the percutaneous treatment of bifurcation lesions. BACKGROUND: The jailed wire technique is a useful strategy in the treatment of bifurcation lesions by provisional stenting. However, these wires can be damaged or even be broken during their removal...
September 26, 2016: JACC. Cardiovascular Interventions
Fadi J Sawaya, Thierry Lefèvre, Bernard Chevalier, Phillipe Garot, Thomas Hovasse, Marie-Claude Morice, Tanveer Rab, Yves Louvard
Coronary bifurcations are frequent and account for approximately 20% of all percutaneous coronary interventions. Nonetheless, they remain one of the most challenging lesion subsets in interventional cardiology in terms of a lower procedural success rate and increased rates of long-term adverse cardiac events. Provisional side branch stenting should be the default approach in the majority of cases and we propose easily applicable and reproducible stepwise techniques associated with low risk of failure and complications...
September 26, 2016: JACC. Cardiovascular Interventions
Rafael Cavalcante, Yohei Sotomi, Yaping Zeng, Cheol Whan Lee, Jung-Min Ahn, Carlos Collet, Erhan Tenekecioglu, Pannipa Suwannasom, Yoshinobu Onuma, Seung-Jung Park, Patrick W Serruys
OBJECTIVE: In patients with multivessel disease and proximal left anterior descending artery (LAD) involvement, the best revascularisation strategy is still unclear. We assess outcomes after coronary artery bypass graft surgery (CABG) and percutaneous coronary intervention (PCI) with drug-eluting stents in a pooled analysis of individual patient-level data of the SYNTAX and BEST randomised trials. DESIGN: Proximal LAD involvement was defined by any lesion ≥ 50% diameter stenosis in the arterial segment starting from the left-main bifurcation up to (and including) the origin of the first major septal branch...
September 20, 2016: Heart: Official Journal of the British Cardiac Society
Marc-Alexander Ohlow, Ahmed Farah, Stefan Richter, Mohamad El-Garhy, Hubertus von Korn, Bernward Lauer
BACKGROUND: In a number of coronary bifurcation lesions, both the main vessel and the side branch (SB) need stent coverage. OBJECTIVES: To analyze the procedural performance and the impact on radiation times (RT) and contrast medium consumption (CMC) of the Axxess™ stent system (Biosensors, Switzerland) treating de novo bifurcation lesions (DBL). METHODS: One hundred and ten consecutive prospectively enrolled cases (Axxess Group) and 110 age, sex, and lesion location matched controls undergoing mandatory (Group A, n = 56) or provisional (Group B, n = 54) SB intervention were analyzed...
September 21, 2016: Catheterization and Cardiovascular Interventions
Jacek Bil, Robert J Gil
Bioresorbable vascular scaffolds (BVS) have emerged as an interesting alternative since the presence of the prosthesis in the coronary artery is transient. This technology enables to restore the normal vasomotor tone and allows positive remodeling, simultaneously reducing the trigger for persistent inflammation and facilitating further interventions by percutaneous or surgical means. Absorb BVS(®) is the first generation everolimus-eluting poly-L-lactide (PLLA) bioresorbable scaffold. In recent meta-analyses Absorb BVS(®) was definitely proved to be safe and effective device in the treatment of symptomatic coronary artery disease...
August 2016: Journal of Thoracic Disease
Gennaro Giustino, Alaide Chieffo, Tullio Palmerini, Marco Valgimigli, Fausto Feres, Alexandre Abizaid, Ricardo A Costa, Myeong-Ki Hong, Byeong-Keuk Kim, Yangsoo Jang, Hyo-Soo Kim, Kyung Woo Park, Martine Gilard, Marie-Claude Morice, Fadi Sawaya, Gennaro Sardella, Philippe Genereux, Bjorn Redfors, Martin B Leon, Deepak L Bhatt, Gregg W Stone, Antonio Colombo
BACKGROUND: Optimal upfront dual antiplatelet therapy (DAPT) duration after complex percutaneous coronary intervention (PCI) with drug-eluting stents (DES) remains unclear. OBJECTIVES: This study investigated the efficacy and safety of long- (≥12 months) versus short-term (3 or 6 months) DAPT with aspirin and clopidogrel according to PCI complexity. METHODS: We pooled patient-level data from 6 randomized controlled trials investigating DAPT durations after PCI...
August 25, 2016: Journal of the American College of Cardiology
Pil Sang Song, Young Bin Song, Joo Myung Lee, Joo-Yong Hahn, Seung-Hyuk Choi, Jin-Ho Choi, Sang Hoon Lee, Kyung Woo Park, Hyo-Soo Kim, Yangsoo Jang, Ki Bae Seung, Ju Hyeon Oh, Hyeon-Cheol Gwon
OBJECTIVES: This study investigated the long-term outcomes and predictors of target vessel failure (a composite of cardiac death, myocardial infarction, stent thrombosis, or target vessel revascularization) in patients with bifurcation lesion treated by percutaneous coronary intervention (PCI) utilizing the 2-stent strategy with a drug-eluting stent (DES). BACKGROUND: There are limited data on outcomes of the 2-stent strategy in bifurcation PCI. METHODS: Patient-level pooled analysis was performed with patients undergoing PCI with 2-stent strategy from the Korean Bifurcation Pooled Cohorts...
September 26, 2016: JACC. Cardiovascular Interventions
Miroslaw Ferenc, Michael Gick, Thomas Comberg, Jürgen Rothe, Christian Valina, Aurel Toma, Nikolaus Löffelhardt, Willibald Hochholzer, Florian Riede, Rolf-Peter Kienzle, Amar Achtari, Franz-Josef Neumann
AIMS: In percutaneous coronary intervention for de-novo coronary bifurcation lesions, the optimal technique for provisional side-branch stenting is still a matter of debate. We tested whether in this setting culotte stenting reduces the incidence of restenosis as compared with T-and-protrusion (TAP) stenting. METHODS AND RESULTS: This trial included 300 patients with a coronary bifurcation lesion requiring a side-branch stent. Patients were randomly assigned to culotte stenting or TAP stenting using drug-eluting stents in a 1:1 fashion...
August 30, 2016: European Heart Journal
Adel Aminian, Juan F Iglesias, Carlos Van Mieghem, Andrea Zuffi, Angela Ferrara, Roukos Manih, Dariouch Dolatabadi, Jacques Lalmand, Shigeru Saito
PURPOSE: To assess the feasibility and safety of the 7 French (Fr) Glidesheath Slender for complex transradial (TR) percutaneous coronary interventions (PCI). BACKGROUND: The TR approach is increasingly used worldwide for coronary and peripheral vascular interventions. However, the small size of the radial artery remains an important limitation for the use of large-bore guiding catheters (>6 Fr), restricting thereby the treatment of highly complex lesions through the TR approach...
August 27, 2016: Catheterization and Cardiovascular Interventions
Stylianos A Pyxaras, Gabor G Toth, Giuseppe Di Gioia, Giovanni J Ughi, Shengxian Tu, Dan Rusinaru, Tom Adriaenssens, Johan H C Reiber, Martin B Leon, Jeroen J Bax, William Wijns
OBJECTIVES: To assess the anatomical and functional impact of final kissing balloon inflation (FKBI) after implantation of a dedicated bifurcation stent system. BACKGROUND: Current evidence suggests clinical benefit of FKBI in patients undergoing bifurcation dilatation using the Tryton side branch stent (Tryton-SBS). We hypothesized that FKBI improves anatomical reconstruction and functional results of bifurcation treated by Tryton-SBS. METHODS: An unselected group of patients with complex bifurcation coronary lesions undergoing percutaneous coronary intervention (PCI) with Tryton-SBS underwent paired anatomical assessment with two- and three-dimensional quantitative coronary analysis (2D- and 3D-QCA), and optical coherence tomography (OCT), including 3D reconstruction before and after FKBI...
August 27, 2016: Catheterization and Cardiovascular Interventions
Gianluca Rigatelli, Fabio Dell'Avvocata, Marco Zuin, Dobrin Vassiliev, Alberto Mazza, Huy D Dinh
AIM: To assess feasibility and 1-year outcomes of ultrathin biodegradable polymer double stenting using a very minimal crushing (nano-crush technique) in a series of patients with large (≥2.5mm) complex coronary bifurcation. METHODS: From January 2015 to June 2016, patients referred for large (≥2.5mm) complex coronary bifurcation percutaneous coronary interventions (PCI) were enrolled to receive Orsiro (Biotronik Inc., Bulack, Switzerland) double stenting using a very minimal crush technique (nano-crush)...
July 20, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Andrew Kei-Yan Ng, Man-Hong Jim
In the era of drug-eluting stents, the provisional stenting strategy has been established as the default strategy in percutaneous coronary intervention for bifurcation lesions. However, emerging evidence shows that, in selected situations, the complex strategy of stenting both vessels regardless could reduce side-branch restenosis without penalty. In particular, the double kissing crush technique has been proven to outperform the provisional strategy and other complex strategies in randomized trials. In this review, we present the evidence comparing the 2 strategies and individual stenting techniques and discuss the roles of other optimization techniques such as final kissing balloon inflation, proximal optimization technique, intravascular ultrasonography, and optical coherence tomography...
August 24, 2016: Clinical Cardiology
Jae-Bin Seo, Dong-Ho Shin, Kyung Woo Park, Bon-Kwon Koo, Hyeon-Cheol Gwon, Myung-Ho Jeong, In-Whan Seong, Seung Woon Rha, Ju-Young Yang, Seung-Jung Park, Jung Han Yoon, Kyoo-Rok Han, Jong-Sun Park, Seung-Ho Hur, Seung-Jea Tahk, Hyo-Soo Kim
The most favored strategy for bifurcation lesion is stenting main vessel with provisional side branch (SB) stenting. This study was performed to elucidate predictors for SB failure during this provisional strategy. The study population was patients from 16 centers in Korea who underwent drug-eluting stent implantation for bifurcation lesions with provisional strategy (1,219 patients and 1,236 lesions). On multivariate analysis, the independent predictors for SB jailing after main vessel stenting were SB calcification, large SB reference diameter, severe stenosis of SB, and not taking clopidogrel...
September 15, 2016: American Journal of Cardiology
Johan Bennett, Maarten Vanhaverbeke, Nina Vanden Driessche, Tom Adriaenssens, Nick Hiltrop, Walter Desmet, Peter Sinnaeve, Christophe Dubois
BACKGROUND: Although bioresorbable scaffolds offer potential advantages compared with metallic drug-eluting stents in the treatment of complex coronary bifurcation lesions, there are concerns that the polymeric scaffold integrity may be compromised. This in vivo study sought to provide insights about the feasibility of performing complex bifurcation stenting with Absorb bioresorbable vascular scaffolds (Abbott Vascular, Santa Clara, CA). METHODS AND RESULTS: Twenty New Zealand white rabbits underwent stenting of the nondiseased aortoiliac bifurcation with bioresorbable vascular scaffolds using provisional (PS, n=5), culotte (n=5), modified-T (n=5), or T-and protrusion (n=5) stenting techniques...
August 2016: Circulation. Cardiovascular Interventions
Tetsuya Nomura, Taku Kato, Hiroshi Kubota, Daisuke Miyawaki, Ryota Urata, Takeshi Sugimoto, Yusuke Higuchi, Natsuya Keira, Tetsuya Tatsumi
BACKGROUND: A lotus root appearance is a rare entity, and there is little opportunity to perform coronary intervention for this kind of lesion. Because of its peculiar anatomical characteristics, one of the problems regarding percutaneous coronary intervention (PCI) for these lesions is related to the involvement of branch vessels. CASE PRESENTATION: We encountered a case of PCI for a stenotic lesion with a lotus root appearance in the mid-portion of the right coronary artery (RCA)...
2016: BMC Cardiovascular Disorders
Dario Buccheri, Bernardo Cortese
No abstract text is available yet for this article.
November 1, 2016: International Journal of Cardiology
Taek Kyu Park, Jae-Hwan Lee, Young Bin Song, Jin-Ok Jeong, Joo-Yong Hahn, Jeong Hoon Yang, Seung-Hyuk Choi, Jin-Ho Choi, Sang Hoon Lee, Myung-Ho Jeong, Hyo-Soo Kim, Ju Hyeon Oh, Cheol Woong Yu, Seung Woon Rha, Yangsoo Jang, Jung Han Yoon, Seung-Jea Tahk, Ki Bae Seung, Jong-Seon Park, Hyeon-Cheol Gwon
AIMS: Non-compliant balloons provide uniform radial force along the vessel wall at any inflation pressure. As a result, the use of non-compliant balloons may reduce side branch complications and optimise stent deployment. We sought to investigate the impact of non-compliant balloons on the long-term clinical outcomes of patients undergoing a coronary bifurcation intervention. METHODS AND RESULTS: A total of 2,897 patients treated with drug-eluting stents for bifurcation lesions were enrolled...
July 20, 2016: EuroIntervention
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