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chronic total coronary occlusion

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https://www.readbyqxmd.com/read/28432385/bioresorbable-vascular-scaffolds-in-coronary-chronic-total-occlusions-revascularization-safety-assessment-related-to-struts-coverage-and-apposition-in-6-month-oct-follow-up
#1
Rosa Alba Abellas-Sequeiros, Raymundo Ocaranza-Sanchez, Ramiro Trillo-Nouche, Carlos Gonzalez-Juanatey, Jose Ramon Gonzalez-Juanatey
Beneficial properties of bioresorbable vascular scaffolds (BVS) regarding to vasomotility restoration and no caging of the vessel make them attractive devices in chronic total occlusions (CTO) revascularization. However, more evidence is needed attending to their use in this specific setting. We aim to determine feasibility and safety of BVS use in CTO revascularization attending to struts coverage and apposition, as well as re-stenosis and stent thrombosis (ST) rates. 29 BVS were deployed in 9 CTO lesions revascularization (mean J-CTO score ≥3) with an acute procedural success rate of 100%...
April 21, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28432004/impact-of-right-ventricular-side-branch-occlusion-during-percutaneous-coronary-intervention-of-chronic-total-occlusions-on-right-ventricular-function
#2
Pepijn A van Diemen, Wynand J Stuijfzand, Stefan P Biesbroek, Pieter G Raijmakers, Roel S Driessen, Stefan P Schumacher, Alexander Nap, Albert C van Rossum, Niels van Royen, Robin Nijveldt, Paul Knaapen
OBJECTIVE: To determine the impact of right ventricular side branch (RVB) occlusion, during percutaneous coronary interventions (PCIs) of chronic total occlusions (CTOs) of the right coronary artery (RCA), on right ventricular (RV) function. BACKGROUND: Developments in PCI techniques have expanded PCI CTO feasibility. However, the utilization of dissection and reentry techniques and extensive stent implantation increases the risk of coronary side branch occlusion...
April 11, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28432003/the-effectiveness-of-super-selective-injection-with-anchor-balloon-technique-for-collateral-channel-assessment
#3
Hiroki Shibutani, Yuzo Akita, Yumie Matsui, Masahiro Yoshinaga, Masahiro Karakawa, Etsuo Tsuchikane
The careful assessment of collateral channels is important for a retrograde approach for a chronic total coronary occlusion (CTO). This case report describes a percutaneous coronary intervention for CTO of the distal right coronary artery with good collateral circulation. All visible collateral channels failed by the retrograde approach; however, the procedure was successful using the distal atrial circumflex (AC) channel. Although this distal channel was poorly visualized on standard coronary angiography, it was clearly contrasted retrogradely from the CTO exit using a super-selective injection through the proximal AC channel as the antegrade flow was obstructed by the anchor balloon...
April 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28425767/chronic-total-coronary-occlusion-treatment-results
#4
Martin Kirk Christensen, Phillip Fischer Freeman, Jeppe Groendal Rasmussen, Anton Boel Villadsen, Bent Raungaard, Svend Eggert Jensen, Leif Thuesen
OBJECTIVES: To describe the clinical and procedural coronary chronic total occlusion (CTO) treatment results in a Nordic PCI centre during the implementation of a CTO treatment program. DESIGN: In a retrospective registry study, we assessed; (1) indication for the procedure, (2) Canadian Cardiovascular Society angina pectoris score (CCS)/New York Heart Association (NYHA) heart failure score, (3) lesion complexity and (4) adverse events during hospital stay and three months following the index procedure...
April 20, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28419791/the-role-of-rotational-atherectomy-in-contemporary-chronic-total-occlusion-percutaneous-coronary-intervention
#5
EDITORIAL
Yader Sandoval, Emmanouil S Brilakis
Rotational atherectomy is performed infrequently (∼3.5%) during chronic total occlusion (CTO) percutaneous coronary intervention (PCI) for two indications: treatment of balloon uncrossable and balloon undilatable lesions. Use of rotational atherectomy in CTO PCI was associated with high success and acceptable complication rates. Rotational atherectomy remains a "must have" device for interventional cardiologists performing complex PCI.
April 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28417604/rotational-atherectomy-in-the-subadventitial-space-to-allow-safe-and-successful-chronic-total-occlusion-recanalization-pushing-the-limit-further
#6
Giuliana Capretti, Mauro Carlino, Antonio Colombo, Lorenzo Azzalini
Dissection and re-entry (DR) techniques have played a key role in the increase of success rates of chronic total occlusion (CTO) recanalization. DR usually allows wiring complex occlusions, even in case of important calcification. In extreme cases, such as in balloon failure-to-cross, rotational atherectomy (RA) might be decisive. However, according to experts' recommendations, RA should not be performed in dissection planes because of the high risk of perforation and further extending the dissection, so that its use after DR might be limited...
April 18, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28415731/gap-in-gender-parity-gender-disparities-in-incidence-and-clinical-impact-of-chronic-total-occlusion-in-non-infarct-artery-in-patients-with-non-st-segment-elevation-myocardial-infarction-and-multivessel-coronary-artery-disease
#7
Mateusz Tajstra, Michał Hawranek, Piotr Desperak, Aneta Ciślak, Mariusz Gąsior
A chronic total occlusion in a non-infarct-related artery is an independent predictor of mortality in non-ST elevation myocardial infarction. There are no mortality data about the impact of a chronic total occlusion in patients with non-ST elevation myocardial infarction according to gender. The purpose of this study was to evaluate the prevalence of the chronic total occlusion in in men and women and examine its impact on clinical outcomes. Data from consecutive patients with multivessel coronary artery disease treated in a high-volume center between 2006 and 2012 were included in a prospective registry and divided according to gender and the presence of chronic total occlusion...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412256/procedural-and-long-term-outcomes-of%C3%A2-percutaneous-coronary-intervention-for%C3%A2-in-stent-chronic-total-occlusion
#8
Lorenzo Azzalini, Rustem Dautov, Soledad Ojeda, Susanna Benincasa, Barbara Bellini, Francesco Giannini, Jorge Chavarría, Manuel Pan, Mauro Carlino, Antonio Colombo, Stéphane Rinfret
OBJECTIVES: The study sought to investigate the long-term outcomes and predictors of adverse events of percutaneous coronary intervention (PCI) for in-stent chronic total occlusion (IS-CTO). BACKGROUND: IS-CTO PCI has traditionally been associated with suboptimal success rates. METHODS: We performed a multicenter registry of consecutive patients undergoing CTO PCI at 3 specialized centers. Patients were divided in IS-CTO and de novo CTO. The primary endpoint (major adverse cardiac events [MACE]) was a composite of cardiac death, target-vessel myocardial infarction, and ischemia-driven target-vessel revascularization (TVR) on follow-up...
April 12, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28396376/percutaneous-coronary-interventions-for-chronic-total-occlusions-as-the-technology-expands-our-responsibilities-increase
#9
Theodore A Bass
No abstract text is available yet for this article.
April 11, 2017: Circulation
https://www.readbyqxmd.com/read/28394873/effects-of-percutaneous-coronary-intervention-on-viable-myocardium-and-heart-function-of-diabetic-patients-with-chronic-total-occlusion
#10
Guowei Zhou, Wenyi Yang, Liang Li
OBJECTIVE: The aim of this study was to compare the effects of percutaneous coronary intervention (PCI) on coronary chronic total occlusion patients with (DM) or without (NDM) diabetes mellitus. METHODS: A total of 78 patients were divided into DM group and NDM group according to whether the patient has DM. The results of PCI were analyzed using quantitative coronary analysis. In addition, all the patients underwent Tc-MIBI (methoxyisobutylisonitrile) single-photon emission computed tomography (SPECT) and ultrasonic cardiogram in the first week and the sixth month after PCI to evaluate PCI results...
April 7, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28394783/cardiac-computed-tomography-for-planning-revascularization-procedures
#11
Maksymilian P Opolski
Coronary computed tomography angiography (coronary CTA) is being increasingly used to detect and rule out coronary artery stenoses. Beyond stenosis detection, the abundance of anatomic, morphologic, and physiological information incorporated from a single one-stop-shop CT study has generated considerable interest in the context of preprocedural planning for coronary revascularization. Specifically, preprocedural CTA data sets can assist interventional cardiologists with selective catheter placement, appropriate guidewire choice, accurate stent size selection, and, most importantly, development of a stepwise revascularization strategy plan...
April 7, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28389509/chronic-total-occlusion-percutaneous-coronary-intervention-preparation-is-the-key-to-success
#12
EDITORIAL
Neal Sawlani, Deepak L Bhatt
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28389507/coronary-computed-tomography-angiography-predicts-guidewire-crossing-and-success-of-percutaneous-intervention-for-chronic-total-occlusion-korean-multicenter-cto-ct-registry-score-as-a-tool-for-assessing-difficulty-in-chronic-total-occlusion-percutaneous-coronary
#13
Cheol-Woong Yu, Hyun-Jong Lee, Jon Suh, Nae-Hee Lee, Sang-Min Park, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Joo-Yong Hahn, Seung Hyuk Choi, Hyeon-Cheol Gwon, Sang-Hoon Lee, Yeon Hyeon Choe, Sung Mok Kim, Jin-Ho Choi
BACKGROUND: We developed a model that predicts difficulty of percutaneous coronary intervention for coronary chronic total occlusion (CTO) using coronary computed tomographic angiography. METHODS AND RESULTS: A total of 684 CTO lesions with preprocedural computed tomographic angiography were enrolled from 4 centers. Data were randomly divided into derivation and validation datasets at 2:1 ratio. The end point was successful guidewire crossing ≤30 minutes, which was met in 50%...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28385401/vascular-access-site-and-outcomes-among-26-807-chronic-total-coronary-occlusion-angioplasty-cases-from-the-british-cardiovascular-interventions-society-national-database
#14
Tim Kinnaird, Richard Anderson, Nick Ossei-Gerning, Sean Gallagher, Adrian Large, Julian Strange, Peter Ludman, Mark de Belder, James Nolan, David Hildick-Smith, Mamas Mamas
OBJECTIVES: The aim of this study was to assess, using a national percutaneous coronary intervention (PCI) database, access-site choice and outcomes after chronic total occlusion (CTO) PCI. BACKGROUND: Given the influence of access site on outcomes, the use of radial access in CTO PCI warrants further investigation. METHODS: Data were analyzed from the British Cardiovascular Intervention Society dataset of 26,807 elective CTO PCI procedures performed in England and Wales between 2006 and 2013...
April 10, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28373785/chronic-total-coronary-occlusion-recanalization-current-techniques-and-new-devices
#15
REVIEW
Jan-Erik Gülker, Lars Bansemir, Heinrich G Klues, Alexander Bufe
Percutaneous coronary intervention (PCI) of total chronic coronary occlusion (CTO) still remains a major challenge. The prevalence of a CTO has been reported to be up to 30% among patients with a clinical indication for coronary angiography. Progress has been made with further advanced interventional techniques and continuously sophisticated interventional tools. Nevertheless the number of interventions carried out to recanalize a CTO is less than 10% of all procedures. Benefits of a successful CTO recanalization include relief of angina pectoris and ischemia-related dyspnea, substantial improvement in left ventricular function and, avoidance of surgery treatment...
April 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28368848/novel-crossing-system-for-the-recanalization-of-complex-chronic-total-occlusions-ex-vivo-proof-of-concept-of-the-soundbite-crossing-system
#16
Simon Bérubé, Andrew Benko, Marc-Antoine Despatis, Louis-Philippe Riel, Marianne Brodmann, Eric Therasse, Martin Brouillette, Jihad A Mustapha, Philippe Généreux
Chronic total occlusion (CTO) lesions are frequent in patients with peripheral and coronary artery disease, and associated with a higher risk of adverse events, including mortality, decreased quality of life, and increased health-care costs. Percutaneous intervention of CTO lesions has been associated with a lower procedural success rate, and current dedicated CTO devices may be of limited use for the non-CTO expert, and associated with increased intraprocedural complication rates. The SoundBite Crossing System (SoundBite Medical Solutions, Inc) is a newly developed device using shockwaves (short-duration, high-amplitude pressure pulses) to facilitate penetration of the proximal cap and crossing of the occlusion...
April 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28366607/influence-about-the-flow-of-distal-branch-after-intervention-of-the-right-coronary-artery-chronic-total-occlusion
#17
Hsiu-Yu Fang, Chiung-Jen Wu, Chih-Yuan Fang, Wei-Chieh Lee
OBJECTIVE: Limited data are available for the clinical outcomes after the recanalization of right coronary artery (RCA) chronic total occlusion (CTO). The study aims to assess the clinical outcomes in the antegrade flow of the distal branch after successful RCA CTO percutaneous coronary intervention (PCI). METHODS: Between January 2002 and December 2012, 538 patients who underwent RCA CTO PCI were enrolled. The clinical outcomes as myocardial infarction (MI), target vessel revascularization, cardiac death, major adverse cardiac events, and all-cause mortality, were compared to the antegrade flow of distal branch after successful RCA CTO PCI...
March 22, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28351604/stent-loss-during-chronic-total-occlusion-percutaneous-coronary-intervention-optical-coherence-tomography-guided-stent-crushing-and-trapping
#18
REVIEW
Luciano Candilio, Satoru Mitomo, Mauro Carlino, Antonio Colombo, Lorenzo Azzalini
Stent loss during percutaneous coronary intervention (PCI) is a rare event, which however has been associated with devastating consequences. Adequate management of this complication requires an exact understanding of the location of the lost stent and underlying mechanisms. Our case reports on a 55-year-old man who underwent PCI to a chronic total occlusion of the left anterior descending artery, complicated by stent loss. Successful management involved crushing and trapping of the stent behind a newly implanted stent...
March 20, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28351208/angiographic-dissection-patterns-and-patency-outcomes-after-balloon-angioplasty-for-superficial-femoral-artery-disease
#19
Masahiko Fujihara, Mitsuyoshi Takahara, Shinya Sasaki, Kiyonori Nanto, Makoto Utsunomiya, Osamu Iida, Yoshiaki Yokoi
PURPOSE: To investigate the angiographic dissection patterns after balloon angioplasty for superficial femoral artery (SFA) lesions, the clinical outcome associated with each dissection pattern, and the predictive factors for severe dissection. METHODS: A retrospective, multicenter analysis examined 621 patients (mean age 72.8±9.5 years; 414 men) with 748 symptomatic de novo SFA lesions treated with endovascular therapy. Vessel dissection after the initial balloon angioplasty procedure was graded into 7 types according to a modified version of the coronary artery classification types A to F...
March 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28342253/ipsilateral-vs-contralateral-vs-no-collateral-antegrade-only-chronic-total-occlusion-percutaneous-coronary-interventions-what-is-the-right-choice-for-your-practice
#20
EDITORIAL
Lorenzo Azzalini, Emmanouil S Brilakis
No abstract text is available yet for this article.
March 1, 2017: Catheterization and Cardiovascular Interventions
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