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chronic total occlusion pci

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https://www.readbyqxmd.com/read/27916048/-the-impact-of-red-blood-cell-distribution-width-on-outcome-of-elective-percutaneous-coronary-intervention-in-non-anemia-patients
#1
X M Liu, J Z Dong, X H Liu, J P Kang, T Y Luo, Y Guan, T Y Dai, Y Zhang, R Bai, X Du, C S Ma
Objective: Previous studies have revealed that the red blood cell distribution width (RDW) was associated with long-term prognosis in patients undergoing percutaneous coronary intervention (PCI). However, they did not exclude patients with anemia. This study, thus, investigated the association between RDW and prognosis in non-anemia patients. Methods: A total of 2 732 patients underwent elective PCI from July 2009 to September 2011 were enrolled in the study. These patients were divided into two groups based on their baseline median RDW levels: low RDW group (RDW<12...
December 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27910082/impact-of-the-presence-of-chronically-occluded-coronary-artery-on-long-term-prognosis-of-patients-with-acute-st-segment-elevation-myocardial-infarction
#2
Maciej Lesiak, Monika Cugowska, Aleksander Araszkiewicz, Marek Grygier, Małgorzata Pyda, Włodzimierz Skorupski, Przemysław Mitkowski, Magdalena Łanocha, Stefan Grajek
BACKGROUND: Multivessel disease (MVD) is a significant risk factor in patients with acute ST-segment elevation myocardial infarction (STEMI). Whether the presence of chronic total occlusion (CTO) poses an additional hazard is still unknown. The objective of this study was to evaluate the impact of CTO on survival in STEMI patients. METHODS: The study group consisted of 836 STEMI patients treated with primary percutaneous coronary intervention (PCI). MVD was diagnosed in 52...
December 2, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27894264/optical-coherence-tomography-findings-after-longitudinal-ablation-for-an-underexpanded-stent-in-a-heavily-calcified-lesion-a-case-report
#3
Masahiro Koide, Keiji Inoue, Akiko Matsuo, Hiroshi Fujita
BACKGROUND: Heavy coronary artery calcification is responsible for stent underexpansion, which is associated with increased in-stent restenosis. Here we report a case in which optical coherence tomography (OCT) demonstrated that the metal component of an underexpanded stent previously implanted in a heavy calcified lesion had been completely removed after ablation with rotational atherectomy. CASE PRESENTATION: An 83-year-old man with exertional angina was referred to our hospital...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27890863/the-first-clinical-experience-with-a-novel-locking-microcatheter-in-chronic-coronary-total-occlusions
#4
Simon J Wilson, Joren Maeremans, Simon J Walsh, Colm G Hanratty, Markus Meyer-Gessner, Jo Dens, Evald H Christiansen, Alexander Bufe, James C Spratt
AIMS: A novel 'locking' microcatheter has been developed to address residual failure modes in chronic total occlusion (CTO) percutaneous coronary intervention (PCI). The aim of this study was to report the first clinical experience of this device. METHODS AND RESULTS: The microcatheter was assessed prospectively in 92 unselected CTO cases across 6 European sites. Overall technical success was 85.9% (79/92) and 97.5% for patients with a J- CTO score of <3 (39/40)...
November 29, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27890859/long-term-outcome-of-patients-with-chronic-total-coronary-occlusion-treated-by-percutaneous-coronary-intervention-in-diabetics-and-non-diabetics
#5
Francesca Sanguineti, Philippe Garot, Stephen O'Connor, Yusuke Watanabe, Marco Spaziano, Thierry Lefèvre, Thomas Hovasse, Hakim Benamer, Thierry Unterseeh, Bernard Chevalier, Marie Claude Morice, Yves Louvard
AIMS: Despite technical advancements, long-term outcomes after Chronic Total Occlusion (CTO) recanalization remain a subject of debate, especially in diabetic patients. METHODS AND RESULTS: Between 2004 and 2012, 1,320 consecutive patients underwent PCI for CTO, 27.4 % (362/1320) of whom were diabetics. We compared cardiac death, target lesion revascularisation (TLR), myocardial infarction (MI) and combined Myocardial Adverse Cardiac Events (MACE) in patients with successful versus failed PCI (median follow up 4...
November 29, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27888750/medium-platelet-volume-as-a-noninvasive-predictor-of-chronic-total-occlusion-in-non-infarct-artery-in-patients-with-non-st-segment-elevation-myocardial-infarction-and-multivessel-coronary-artery-disease
#6
Mateusz Tajstra, Michał Hawranek, Piotr Desperak, Aneta Ciślak, Marek Gierlotka, Andrzej Lekston, Lech Poloński, Mariusz Gąsior
BACKGROUND: Chronic total occlusion (CTO) in a noninfarct-related artery (non-IRA) is an independent predictor of mortality in non-ST elevation myocardial infarction (NSTEMI). Mean platelet volume (MPV) is associated with cardiovascular events in NSTEMI. Little is known about the predictors of non-IRA-CTO in patients with NSTEMI. The purpose of this study was to evaluate the relationship between the presence of non-IRA-CTO with MPV level in patients with NSTEMI and multivessel coronary artery disease (MVCAD)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27887799/procedural-and-longer-term-outcomes-of-wire-versus-device-based-antegrade-dissection-and-re-entry-techniques-for-the-percutaneous-revascularization-of-coronary-chronic-total-occlusions
#7
Lorenzo Azzalini, Rustem Dautov, Emmanouil S Brilakis, Soledad Ojeda, Susanna Benincasa, Barbara Bellini, Aris Karatasakis, Jorge Chavarría, Bavana V Rangan, Manuel Pan, Mauro Carlino, Antonio Colombo, Stéphane Rinfret
BACKGROUND: There are few data regarding the procedural and follow-up outcomes of different antegrade dissection/re-entry (ADR) techniques for chronic total occlusion (CTO) percutaneous coronary intervention (PCI). METHODS: We compiled a multicenter registry of consecutive patients undergoing ADR-based CTO PCI at four high-volume specialized institutions. Patients were divided according to the specific ADR technique used: subintimal tracking and re-entry (STAR), limited antegrade subintimal tracking (LAST), or device-based with the CrossBoss/Stingray system (Boston Scientific, Marlborough, MA)...
November 16, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27875729/-seesaw-balloon-wire-cutting-technique-is-superior-to-tornus-catheter-in-balloon-uncrossable-chronic-total-occlusions
#8
Jingyi Xue, Jianqiang Li, Hongjun Wang, Li Sheng, Yongtai Gong, Danghui Sun, Shuang Li, Weimin Li, Dingyu Wang, Yue Li
BACKGROUND: Inability to advance a balloon is a well-recognized cause leading to a failure in recanalization of chronic total occlusions (CTOs) despite successfully passing a guidewire. A few techniques and devices have been introduced to facilitate balloon passage, especially the use of Tornus catheter. However, complex manipulation, expensive cost, and availability limit the application of these methods. This study was to evaluate the efficiency and safety of "seesaw balloon-wire cutting" technique in comparison with Tornus catheter for balloon uncrossable CTOs...
November 2, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27867143/survival-after-percutaneous-coronary-intervention-for-chronic-total-occlusion-in-elderly-patients
#9
Aurel Toma, Catherine Gebhard, Michael Gick, Ademaj Fadil, Barbara E Stähli, Kambis Mashayekhi, Miroslaw Ferenc, Franz-Josef Neumann, Heinz Joachim Buettner
AIMS: Few data are available on outcomes of percutaneous coronary intervention (PCI) for coronary chronic total occlusions (CTO) in very elderly patients in the drug-eluting stent (DES) era. We investigated long-term survival in a single-center cohort of elderly patients following CTO PCI using DES. METHODS AND RESULTS: Consecutive 2002 patients who underwent PCI of a CTO at our center between 01/2005 and 12/2013 were followed for a median of 2.6 years (interquartile range 1...
November 22, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27860111/coronary-artery-spatial-distribution-of-chronic-total-occlusions-insights-from-a-large-us-registry
#10
Santiago Garcia, M Chadi Alraies, Aris Karatasakis, Demetris Yannopoulos, Dimitri Karmpaliotis, Khaldoon Alaswad, Farouc A Jaffer, Robert W Yeh, Mitul P Patel, John Bahadorani, Judit Karacsonyi, Pratik Kalsaria, Barbara Danek, Subhash Banerjee, Emmanouil S Brilakis
OBJECTIVE: To assess the spatial distribution of chronic total occlusions (CTOs) within the coronary arteries and describe procedural strategies and outcomes during CTO percutaneous coronary intervention (PCI). BACKGROUND: Acute occlusions due to plaque rupture tend to cluster within the proximal third of the coronary artery. METHODS: We examined the clinical and procedural characteristics of 1,348 patients according to lesion location within the coronary tree...
November 10, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27855293/efficient-distal-tip-size-of-primary-guidewire-for-antegrade-percutaneous-coronary-intervention-in-chronic-total-occlusion-the-g-force-study
#11
Yuji Ikari, Masaki Awata, Kazuaki Mitsudo, Takashi Akasaka, Shigeru Saito, Takayuki Ishihara, Toshiharu Fujii, Hideki Hashimoto, Mitsuyasu Terashima, Tomokazu Ikemoto, Kiyoshi Hibi, Junichi Tazaki, Akihiro Nakamura, Hideo Nishikawa, Tadaya Sato, Yoshihisa Nakagawa
BACKGROUND: Although several new techniques have been introduced for CTO such as the retrograde approach, the fundamental question of what type of guidewire is the most appropriate as a primary guidewire in the antegrade approach has not been answered. METHODS: The G-FORCE study was designed as a prospective multicenter randomized controlled trial to determine the efficient primary guidewire in antegrade approach for chronic total occlusion (CTO). The first guidewire was randomly assigned to a regular size distal tip group (0...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27845873/periprocedural-myocardial-injury-after-recanalization-of-single-chronic-coronary-occlusion-a-propensity-score-analysis-comparing-long-term-clinical-outcomes
#12
Milosz Jaguszewski, Natasza Gilis-Malinowska, Juan Luis Gutierrez-Chico, Michal Chmielecki, Pawel Skarzynski, Slawomir Burakowski, Piotr Drewla, Radoslaw Targonski, Lukasz Lewicki, Witold Dubaniewicz, Marcin Fijalkowski, Marcin Gruchala, Dariusz Ciecwierz
BACKGROUND: Rates and importance of periprocedural myocardial injury (PMI) after crossing coronary chronic total occlusions (CTOs) is not well understood. This study sought to investigate long-term clinical implications of PMI in patients undergoing percutaneous coronary intervention (PCI) for single CTO utilizing antegrade technique. METHODS: Out of 11,957 patients undergoing non-urgent PCI, a total of 1110 patients with symptomatic angina and single CTO were treated by antegrade PCI and observed for up to 10 years...
November 15, 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27845507/updates-on-radial-approach-for-percutaneous-coronary-intervention-in-patients-with-chronic-total-occlusion
#13
Lazzaro Paraggio, Francesco Burzotta, Cristina Aurigemma, Carlo Trani
INTRODUCTION: Radial approach is the emerging arterial access for percutaneous coronary interventions (PCIs) in patients with coronary artery disease. EVIDENCE ACQUISITION: Among the different subset of complex targets for PCI, chronic total occlusion (CTO) still represent a challenge for the interventional cardiologist. Is radial approach suitable for PCI on CTO? A series of data collected in selected centres with high volume of transradial procedures supported the change from elective transfemoral approach to systematic transradial approach...
November 15, 2016: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/27836292/impact-of-coronary-collateral-circulation-on-angiographic-in-stent-restenosis-in-patients-with-stable-coronary-artery-disease-and-chronic-total-occlusion
#14
Zhen Kun Yang, Ying Shen, Jian Hu, Qi Zhang, Feng Hua Ding, Rui Yan Zhang, Lin Lu, Wei Feng Shen
OBJECTIVE: This study aimed to evaluate the relationship between coronary collateralization and in-stent restenosis (ISR) in stable coronary artery disease patients with chronic total occlusion (CTO) after percutaneous coronary intervention (PCI) with drug-eluting stent (DES) implantation. METHODS: The degree of coronary collaterals supplying the distal aspect of a total occlusion from the contra-lateral vessel was graded according to Rentrop classification in 216 patients with stable angina undergoing successful DES based PCI for CTO...
November 2, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27832848/determinants-and-prognostic-significance-of-periprocedural-myocardial-injury-in-patients-with-successful-percutaneous-chronic-total-occlusion-interventions
#15
Seung-Whan Lee, Pil H Lee, Se H Kang, Hanul Choi, Mineok Chang, Jae-Hyung Roh, Sung-Han Yoon, Jung-Min Ahn, Duk-Woo Park, Soo-Jin Kang, Young-Hak Kim, Cheol Whan Lee, Seong-Wook Park, Seung-Jung Park
OBJECTIVES: This study sought to evaluate the determinants and prognostic implications of periprocedural myocardial injury (PMI) in successful percutaneous coronary intervention (PCI) of chronic total occlusions (CTOs). BACKGROUND: There are limited studies addressing the risk factors and clinical implication of PMI in patients undergoing CTO-PCI. METHODS: We examined 1,058 consecutive CTO patients who underwent successful drug-eluting stent implantation and serial measurements of creatine kinase-myocardial band (CK-MB) values between March 2003 and August 2014...
November 14, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27826336/the-association-between-whole-blood-viscosity-and-coronary-collateral-circulation-in-patients-with-chronic-total-occlusion
#16
Mehmet Serkan Cetin, Elif Hande Ozcan Cetin, Kevser Gülcihan Balcı, Selahattin Aydin, Emek Ediboglu, Muhammed Fatih Bayraktar, Mustafa Mücahit Balcı, Orhan Maden, Ahmet Temizhan, Sinan Aydogdu
BACKGROUND AND OBJECTIVES: Coronary collateral circulation (CCC) has been attributed as inborn bypass mechanisms supporting ischemic myocardium. Various factors have been postulated in CCC. Whole blood viscosity (WBV) has been an underappreciated entity despite close relationships between multiple cardiovascular diseases. WBV can be calculated with a validated equation from hematocrit and total plasma protein levels for a low and high shear rate. On the grounds, we aimed to evaluate the association between WBV and CCC in patients with chronic total occlusion...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27817847/-chronic-total-occlusions-is-there-a-woman-specificity
#17
F Sanguineti, C Garcia-Alonso, H Benamer, G J Karrillon
Many differences have been reported regarding gender in angioplasty procedures (PCI), but their potential influence on clinical outcomes after CTO PCI has not been elucidated. Aim of this paper is to analyse these potential differences starting from 2 clinical cases. The basic features found in the two clinical cases presented here, older age and presence of diabetes (that are more frequent in women), are in line with the differences identified in non-CTO studies on angioplasty. Furthermore, CTO in women are generally under-diagnosed and less frequently treated by angioplasty than in men...
November 3, 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/27814739/benefits-of-chronic-total-coronary-occlusion-percutaneous-intervention-in-patients-with-heart-failure-and-reduced-ejection-fraction-insights-from-a-cardiovascular-magnetic-resonance-study
#18
Montserrat Cardona, Victoria Martín, Susanna Prat-Gonzalez, José Tomás Ortiz, Rosario Jesús Perea, Teresa Maria de Caralt, Mónica Masotti, Félix Pérez-Villa, Manel Sabaté
BACKGROUND: Chronic total occlusion percutaneous coronary intervention (CTO-PCI) can improve angina and left ventricular ejection fraction (LVEF). These benefits were not assessed in populations with heart failure with reduced ejection fraction (HFrEF). We studied the effect of CTO-PCI on left ventricular function and clinical parameters in patients with HFrEF. METHODS: Using cardiovascular magnetic resonance (CMR), we studied 29 patients with HFrEF and evidence of viability and/or ischemia in the territory supplied by a CTO who were successfully treated with CTO-PCI...
November 5, 2016: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/27806900/optical-coherence-tomography-compared-with-intravascular-ultrasound-and-with-angiography-to-guide-coronary-stent-implantation-ilumien-iii-optimize-pci-a-randomised-controlled-trial
#19
Ziad A Ali, Akiko Maehara, Philippe Généreux, Richard A Shlofmitz, Franco Fabbiocchi, Tamim M Nazif, Giulio Guagliumi, Perwaiz M Meraj, Fernando Alfonso, Habib Samady, Takashi Akasaka, Eric B Carlson, Massoud A Leesar, Mitsuaki Matsumura, Melek Ozgu Ozan, Gary S Mintz, Ori Ben-Yehuda, Gregg W Stone
BACKGROUND: Percutaneous coronary intervention (PCI) is most commonly guided by angiography alone. Intravascular ultrasound (IVUS) guidance has been shown to reduce major adverse cardiovascular events (MACE) after PCI, principally by resulting in a larger postprocedure lumen than with angiographic guidance. Optical coherence tomography (OCT) provides higher resolution imaging than does IVUS, although findings from some studies suggest that it might lead to smaller luminal diameters after stent implantation...
November 26, 2016: Lancet
https://www.readbyqxmd.com/read/27802929/safety-and-effectiveness-of-the-surfing-technique-to-cross-septal-collateral-channels-during-retrograde-chronic-total-occlusion-percutaneous-coronary-intervention
#20
Rustem Dautov, Marina Urena, Can Manh Nguyen, Claire Gibrat, Stéphane Rinfret
AIMS: Septal surfing and distal tip injections are two techniques used for septal crossing in retrograde chronic total occlusion (CTO) percutaneous coronary interventions (PCI). We examined for the first time the safety and feasibility of the septal surfing technique. METHODS AND RESULTS: Among 470 consecutive CTO PCIs performed between 01/2010 and 12/2015, 240 (51%) involved a retrograde attempt. In the septal crossing subgroup, we evaluated if the Werner collateral channel (CC) classification, CTO location, tortuosity, and number of large septal CCs influenced retrograde crossing success, time, perforation...
November 2, 2016: EuroIntervention
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