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Coronary total chronic occlusion

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https://www.readbyqxmd.com/read/28069611/bioresorbable-vascular-scaffolds-for-the-treatment-of-chronic-total-occlusions-an-international-multicenter-registry
#1
Satoru Mitomo, Toru Naganuma, Yusuke Fujino, Hiroyoshi Kawamoto, Sandeep Basavarajaiah, Michael Pitt, Wei-Hsian Yin, Damras Tresukosol, Antonio Colombo, Sunao Nakamura
BACKGROUND: There are only limited studies reporting clinical outcomes after bioresorbable vascular scaffold (BVS; Absorb; Abbott Vascular, Santa Clara, CA) implantation for coronary chronic total occlusions (CTO). The aim of this study was to evaluate the real-world feasibility and safety of BVS implantation for the treatment of CTO. METHODS AND RESULTS: We retrospectively evaluated CTO cases treated with BVS from a multicenter registry. The primary end point was target lesion failure defined as a composite of cardiac death, target vessel myocardial infarction, and clinically driven target lesion revascularization...
January 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28066662/-spiral-stenting-creating-a-subintimal-neo-luminal-helix-around-a-massively-calcified-ostial-chronic-total-occlusion-of-the-right-coronary-artery-in-a-patient-with-recurrent-ventricular-tachycardia
#2
Kambis Mashayekhi, Zivile Valuckiene, Hans Neuser, Marlon Walter, Wolfgang Gappmaier, Thomas Kaiser, Franz-Josef Neumann, Ibrahim Akin, Michael Behnes
This case report describes a successful percutaneous coronary intervention (PCI) of a severely calcified aorto-ostial chronic total occlusion (CTO) of the right coronary artery (RCA). The lesion was treated by a retrograde approach implementing long spiral subintimal wire tracking and final coronary stenting creating a subintimal neo-luminal helix around the natively occluded RCA. After 6 months of follow-up valuable angiographic results were proven.
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28062801/wire-escalation-in-emergent-revascularization-procedures-of-internal-carotid-artery-occlusions-the-use-of-high-tip-stiffness-microguidewires
#3
José E Cohen, Ronen R Leker, John M Gomori, Eyal Itshayek
OBJECTIVE: We examined the usefulness and safety of high tip stiffness cardiac microguidewires in the endovascular revascularization of selected cases of internal carotid artery (ICA) occlusion. METHODS: Files of patients with acute ischemic symptoms due to ICA occlusions managed from August 2010 to August 2016 by urgent endovascular revascularization were retrospectively reviewed with a waiver of informed consent. Cases where there was escalation to stiff tipped cardiovascular microguidewires after at least two failed attempts to cross the carotid occlusion with standard neuro-microguidewires were included...
January 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28045410/clinical-and-angiographic-outcomes-at-more-than-1-year-after-treatment-of-chronic-total-occlusions-with-the-everolimus-eluting-bioresorbable-vascular-scaffold
#4
Aylin Hatice Yamaç, Abdülkadir Yıldız, Meherrem Nasifov, Ahmet Taştan, Nemat Bashirov, Ömer Göktekin
OBJECTIVE: Treatment of chronic total occlusion (CTO) with everolimus-eluting bioresorbable vascular scaffold (BVS) is safe and effective at short-term follow-up (FU). The current study investigated clinical and angiographic outcomes after treatment of CTO with BVS at >1 year. METHODS: Thirty patients who underwent successful recanalization of 35 CTOs were included in this study. Quantitative coronary angiography (QCA) was performed at median FU period of 402 days...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28044983/chronic-total-occlusion-in-non-infarct-related-artery-is-closely-associated-with-increased-five-year-mortality-in-patients-with-st-segment-elevation-acute-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-from-the-credo-kyoto-ami-registry
#5
Hiroki Watanabe, Takeshi Morimoto, Hiroki Shiomi, Yutaka Furukawa, Yoshihisa Nakagawa, Kenji Ando, Kazushige Kadota, Takeshi Kimura
AIMS: We sought to investigate the clinical impact of chronic total occlusion (CTO) in non-infarct-related artery (IRA) on long-term cardiovascular outcomes in patients with ST-elevation myocardial infarction (STEMI). METHODS AND RESULTS: Among 5429 patients enrolled in the CREDO-Kyoto AMI registry, the current study population consisted of 2045 STEMI patients with multi-vessel disease (MVD) who underwent primary PCI within 24 hours after the symptom onset. The cumulative 5-year, 30-day and 30-day-to-5-year incidences of all-cause death were all significantly higher in the CTO group than in the non-CTO group (37...
January 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28044265/improvement-of-subjective-well-being-by-ranolazine-in-patients-with-chronic-angina-and-known-myocardial-ischemia-imwell-study
#6
Anthony A Bavry, Ki E Park, Calvin Y Choi, Ahmed N Mahmoud, Xuerong Wen, Islam Y Elgendy
INTRODUCTION: We aimed to assess if ranolazine would improve angina symptoms among patients with documented myocardial ischemia. METHODS: Eligible subjects had chronic stable angina and at least one coronary stenosis with fractional flow reserve (FFR) ≤0.80 or at least one chronic total occlusion (CTO) without attempted revascularization. Subjects were randomized to oral ranolazine 500 mg twice daily for 1 week, then ranolazine 1000 mg twice daily for 15 weeks versus matching placebo...
January 2, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/28041711/bifurcation-lesions-involved-in-the-recanalization-process-of-coronary-chronic-total-occlusions-incidence-treatment-and-clinical-implications
#7
Soledad Ojeda, Manuel Pan, Alejandro Gutiérrez, Miguel Romero, Jorge Chavarría, Javier Suárez de Lezo, Francisco Mazuelos, Laura Pardo, Francisco Hidalgo, Francisco Carrasco, José Segura, Enrique Durán, Carlos Ferreiro, José J Sánchez, Sara Rodríguez, Jesús Oneto, Jose Suárez de Lezo
BACKGROUND: The presence of a bifurcation (BL) in the context of a coronary chronic total occlusion (CTO) represents an additional difficulty. This study analyzes the incidence of BLs in CTO recanalization, the treatment, predictors of bifurcation technical success and their clinical impact. METHODS AND RESULTS: BLs with a side branch (SB) ≥2.0mm located proximally, distally or within the occluded segment were observed in 130 (33%) of 391 CTO. Provisional stenting was the strategy more frequently used (94%)...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28041697/validity-of-the-j-cto-score-and-the-cl-score-for-predicting-successful-cto-recanalization
#8
J E Guelker, L Bansemir, R Ott, T Rock, K Kroeger, R Guelker, H G Klues, D I Shin, A Bufe
BACKGROUND: Percutaneous coronary intervention (PCI) of total chronic coronary occlusion (CTO) still remains a major challenge in interventional cardiology. To predict the probability of a successful intervention different scoring systems are available. We analyzed in this study the validity of two scoring systems, the Japanese CTO score (J-CTO score) and the newly developed Clinical and Lesion-related score (CL Score). METHODS: Between 2012 and 2015 we included 379 consecutive patients...
December 27, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28040288/collateral-filling-efficiency-of-comorbid-chronic-total-occlusion-segment-on-short-term-mortality-in-st-elevation-myocardial-infarction
#9
Toshiharu Fujii, Masataka Nakano, Yohei Ohno, Gaku Nakazawa, Norihiko Shinozaki, Takashi Matsukage, Fuminobu Yoshimachi, Yuji Ikari
BACKGROUND: Collateral filling of chronic total occlusion (CTO) segments is considered to affect hemodynamic stability in primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI) with CTO, however its value as a prognostic indicator for mortality is uncertain. The present study examined the relationship between collateral filling of CTO segments and short-term mortality in patients with STEMI with a comorbid CTO lesion. METHODS: Among 829 STEMI patients who underwent primary PCI, 74 patients with CTO were identified...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28031659/successful-percutaneous-coronary-intervention-for-chronic-total-occlusion-of-left-anterior-descending-coronary-artery-in-a-patient-with-dextrocardia
#10
Ozlem Ozcan Celebi, Bulent Deveci, Erdogan Ilkay
Dextrocardia is a rare cardiac anomaly in which the heart is located in the right chest along with the cardiac long axis directing to the right and inferiorly. Although, it is a rare clinical phenomenon, coronary artery disease with dextrocardia is presumed to be of similar frequency as in the general population. Percutaneous coronary intervention has some technical difficulties in these patients. We hereby report a male patient with dextrocardia who was previously treated with coronary artery bypass graft surgery...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28029214/long-term-outcomes-of-rotational-atherectomy-for-the-percutaneous-treatment-of-chronic-total-occlusions
#11
Lorenzo Azzalini, Rustem Dautov, Soledad Ojeda, Antonio Serra, Susanna Benincasa, Barbara Bellini, Francesco Giannini, Jorge Chavarría, Livia L Gheorghe, Manuel Pan, Mauro Carlino, Antonio Colombo, Stéphane Rinfret
OBJECTIVES: To study the long-term outcomes of rotational atherectomy (RA) for chronic total occlusion (CTO) percutaneous coronary intervention (PCI). BACKGROUND: There is little evidence on the incidence, procedural results and long-term outcomes of RA for CTO PCI. METHODS: This registry included data from consecutive patients undergoing CTO PCI at four specialized centers. Major adverse cardiac events (MACE: cardiac death, target-vessel myocardial infarction and ischemia-driven target-vessel revascularization) on follow-up were the primary endpoint...
December 28, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28004266/long-term-major-adverse-cardiac-and-cerebrovascular-events-macce-rate-comparison-of-retrograde-and-antegrade-recanalization-of-chronic-total-coronary-occlusions
#12
Klaudija Bijuklic, Carsten Schwencke, Joachim Schofer
BACKGROUND: The recanalization success rate of chronic total occlusion (CTO) percutaneous coronary interventions (PCI) can be increased by the retrograde approach; however, the long-term outcome of patients undergoing retrograde procedures is unknown. AIM: We aimed to evaluate the long-term major adverse cardiac and cerebrovascular event (MACCE) rate (e.g. death, myocardial infarction, coronary artery bypass surgery and stroke) in patients after retrograde versus antegrade CTO-PCI...
December 21, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27993757/percutaneous-intervention-in-chronic-total-coronary-occlusions-caused-by-in-stent-restenosis-procedural-results-and-long-term-clinical-outcomes-in-the-toro-spanish-registry-of-chronic-total-occlusion-secondary-to-an-occlusive-in-stent-restenosis-multicenter
#13
José M de la Torre Hernandez, José R Rumoroso, Asier Subinas, Nieves Gonzalo, Soledad Ojeda, Manuel Pan, Victoria Martín Yuste, Alfonso Suárez, Felipe Hernández, Luis Teruel, José Moreu, José M Cubero, José D Cascón, Hugo Vinhas, Íñigo Lozano, Javier Martin Moreiras, Armando Pérez de Prado, Javier Goicolea, Javier Escaned
AIMS: Limited data exist on the treatment and outcomes of patients with chronic total occlusions due to in-stent restenosis (CTO-ISR). We sought to evaluate results and clinical outcomes in percutaneous interventions over CTO-ISR. METHODS AND RESULTS: Registry in 16 centers involving consecutive patients undergoing attempt of percutaneous intervention over CTO-ISR. A total of 233 patients were included, 192 (82.4%) with successful acute result. Success rate was significantly lower in patients with: lesion in circumflex artery, ostial lesion, J score > 3 and no femoral access...
December 20, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27986757/cyanate-impaired-angiogenesis-association-with-poor-coronary-collateral-growth-in-patients-with-stable-angina-and-chronic-total-occlusion
#14
Jia Teng Sun, Ke Yang, Jing Yan Mao, Wei Feng Shen, Lin Lu, Qi Hong Wu, Yan Ping Wang, Li Ping Wu, Rui Yan Zhang
BACKGROUND: Cyanate has recently gained attention for its role in the pathogenesis of vascular injury. Nonetheless, the effect of cyanate on angiogenesis remains unclear. METHODS AND RESULTS: In this study, we demonstrated that oral administration of cyanate impaired blood perfusion recovery in a mouse hind-limb ischemia model. A reduction in blood perfusion recovery at day 21 was observed in the ischemic tissue of cyanate-treated mice. Likewise, there were fewer capillaries in the ischemic hind-limb tissue of cyanate-exposed mice...
December 16, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27986755/impact-of-incomplete-percutaneous-revascularization-in-patients-with-multivessel-coronary-artery-disease-a-systematic-review-and-meta-analysis
#15
Vinayak Nagaraja, Sze-Yuan Ooi, James Nolan, Adrian Large, Mark De Belder, Peter Ludman, Rodrigo Bagur, Nick Curzen, Takashi Matsukage, Fuminobu Yoshimachi, Chun Shing Kwok, Colin Berry, Mamas A Mamas
BACKGROUND: Up to half of patients undergoing percutaneous coronary intervention have multivessel coronary artery disease (MVD) with conflicting data regarding optimal revascularization strategy in such patients. This paper assesses the evidence for complete revascularization (CR) versus incomplete revascularization in patients undergoing percutaneous coronary intervention, and its prognostic impact using meta-analysis. METHODS AND RESULTS: A search of PubMed, EMBASE, MEDLINE, Current Contents Connect, Google Scholar, Cochrane library, Science Direct, and Web of Science was conducted to identify the association of CR in patients with multivessel coronary artery disease undergoing percutaneous coronary intervention with major adverse cardiac events and mortality...
December 16, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27974669/initial-experience-of-bioabsorbable-polymer-everolimus-eluting-synergy-stents-in-high-risk-patients-undergoing-complex-percutaneous-coronary-intervention-with-early-discontinuation-of-dual-antiplatelet-therapy
#16
Rebecca L Noad, Colm G Hanratty, Simon J Walsh
AIMS: As more elderly and co-morbid patients require percutaneous revascularization, 1 year of dual-antiplatelet therapy (DAPT) becomes concerning. Synergy stents (Boston Scientific) allow for early cessation of DAPT. This study assessed those in our unit who underwent percutaneous coronary intervention (PCI) with a Synergy stent to examine a minimum of 6 months of clinical outcomes after early discontinuation of DAPT. METHODS AND RESULTS: All non-trial patients in our unit who had PCI with a Synergy stent from August 2013 to February 2016 were retrospectively analyzed...
15, 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27970358/tct-188-the-impact-of-the-location-on-left-ventricular-function-in-st-elevation-myocardial-infarction-patients-with-a-chronic-total-occlusion-in-a-non-infarct-related-artery-treated-with-percutaneous-coronary-intervention
#17
Joelle Elias, Ivo van Dongen, Loes Hoebers, Dagmar Ouweneel, Bimmer Claessen, Jose Henriques
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27970318/tct-149-impact-of-chronic-total-occlusion-in-a-non-infarct-related-artery-on-clinical-outcomes-in-patients-undergoing-primary-percutanous-coronary-intervention-analysis-of-a-8-year-all-comers-prospective-registry
#18
Ana Belen Cid Alvarez, Alfredo Redondo Dieguez, Carlos Galvao Braga, Ramiro Trillo, Diego Lopez Otero, Raymundo Ocaranza-Sanchez, Belen Alvarez Alvarez, Kieran Docherty, Jose Ramon González-Juanatey
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27970313/tct-13-outcomes-of-chronic-total-occlusion-percutaneous-coronary-intervention-according-to-dissection-re-entry-versus-wire-escalation-techniques
#19
Lorenzo Azzalini, Rustem Dautov, Soledad Ojeda, Barbara Bellini, Susanna Benincasa, Jorge Chavarria Viquez, Manuel Pan, Mauro Carlino, Antonio Colombo, Stéphane Rinfret
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27970312/tct-14-specialist-chronic-total-occlusion-cto-programmes-and-outcomes-after-cto-percutaneous-coronary-interventions-an-observational-study-of-5-496-patients-from-the-pan-london-cto-cohort
#20
Daniel Jones, Krishnaraj Rathod, Roshan Weerackody, Andrew Wragg, Elliot Smith
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
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