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https://www.readbyqxmd.com/read/28087914/-atorvastatin-improves-reflow-after-percutaneous-coronary-intervention-in-patients-with-acute-st-segment-elevation-myocardial-infarction-by-decreasing-serum-uric-acid-level
#1
Ling Yan, Lu Ye, Kun Wang, Jie Zhou, Chunjia Zhu
Objective: To investigate the effect of atorvastatin on reflow in patients with acute ST-segment elevation myocardial infarction (STEMI) after percutaneous coronary intervention (PCI) and its relation to serum uric acid levels. Methods: One hundred and fourteen STEMI patients undergoing primary PCI were enrolled and randomly divided into two groups:55 cases received oral atorvastatin 20 mg before PCI (routine dose group) and 59 cases received oral atorvastatin 80 mg before PCI (high dose group). According to the initial serum uric acid level, patients in two groups were further divided into normal uric acid subgroup and hyperuricemia subgroup...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28057364/deferred-versus-conventional-stent-implantation-in-patients-with-acute-st-segment-elevation-myocardial-infarction-an-updated-meta-analysis-of-10-studies
#2
Joo Myung Lee, Tae-Min Rhee, Haseong Chang, Chul Ahn, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Seung-Hyuk Choi, Hyeon-Cheol Gwon, Joo-Yong Hahn
BACKGROUND: We sought to evaluate safety and efficacy of the deferred stenting versus immediate stent implantation of infarct-related arteries in patients with acute ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). METHODS: A meta-analysis using random-effects models were conducted. The primary outcome, major adverse cardiac events (MACE), was a composite of all-cause mortality, myocardial infarction (MI), any unplanned target vessel revascularization (TVR), and hospitalization due to cardiac cause...
December 20, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28029214/long-term-outcomes-of-rotational-atherectomy-for-the-percutaneous-treatment-of-chronic-total-occlusions
#3
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/28000723/plasma-dpp4-activity-is-associated-with-no-reflow-and-major-bleeding-events-in-chinese-pci-treated-stemi-patients
#4
Jing Wei Li, Yun Dai Chen, Wei Ren Chen, Jing Jing, Jie Liu, Yong Qiang Yang
Dipeptidyl peptidase-4 (DPP4) is an important regulator of incretins and inflammation, and it is involved in the pathophysiological process of myocardial infarction (MI). This study investigated the role of plasma DPP4 activity (DPP4a) in patients with ST-segment elevation myocardial infarction (STEMI) who had undergone percutaneous coronary intervention (PCI). We recruited 747 consecutive PCI-treated STEMI patients from a tertiary referral center from January 2014 to October 2015. The outcomes of interest were the rates of no-reflow, in-hospital major adverse cardiac or cerebrovascular events (iMACCE), in-hospital complications (IHC) and in-hospital major bleeding...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27982267/in-lab-upfront-use-of-tirofiban-may-reduce-the-occurrence-of-no-reflow-during-primary-percutaneous-coronary-intervention-a-pilot-randomized-study
#5
Igor Matos Lago, Gustavo Caires Novaes, André Vannucchi Badran, Rafael Brolio Pavão, Ricardo Barbosa, Geraldo Luiz de Figueiredo, Moysés de Oliveira Lima, Jorge Luiz Haddad, André Schmidt, José Antônio Marin
Background: Despite successful opening of culprit coronary artery, myocardial reperfusion does not always follows primary percutaneous coronary intervention (PPCI). Glycoprotein IIb/IIIa inhibitors are used in the treatment of no-reflow (NR), but their role to prevent it is unproven. Objective: To evaluate the effect of in-lab administration of tirofiban on the incidence of NR in ST-elevation myocardial infarction (STEMI) treated with PPCI. Methods: STEMI patients treated with PPCI were randomized (24 tirofiban and 34 placebo) in this double-blinded study to assess the impact of intravenous tirofiban on the incidence of NR after PPCI according to angiographic and electrocardiographic methods...
November 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27970315/tct-147-local-intracoronary-delivery-of-eptifibatide-plus-verapamil-via-thrombus-aspiration-catheter-to-prevent-no-reflow-in-acute-st-elevation-myocardial-infarction-patients-with-large-thrombus-burden
#6
Mohamed Hamza, Mohamed Shehata
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969590/tct-250-long-term-clinical-outcomes-of-transient-and-persistent-no-reflow-following-percutaneous-coronary-intervention-pci-insights-from-a-multi-center-australian-registry
#7
Stavroula Papapostolou, Nick Andrianopoulos, Angela Brennan, Andrew Ajani, David Clark, Christopher Reid, Gishel New, Martin Sebastian, Laura Selkrig, Anthony Dart, Stephen Duffy, William Chan
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27891513/clinic-predictive-factors-for-insufficient-myocardial-reperfusion-in-st-segment-elevation-myocardial-infarction-patients-treated-with-selective-aspiration-thrombectomy-during-primary-percutaneous-coronary-intervention
#8
Jinfan Tian, Yue Liu, Xiantao Song, Min Zhang, Feng Xu, Fei Yuan, Shuzheng Lyu
Background. Insufficient data are available on the potential benefit of selective aspiration and clinical predictors for no-reflow in STEMI patients undergoing primary percutaneous coronary intervention (PPCI) adjunct with aspiration thrombectomy. Objective. The aim of our study was to investigate clinical predictors for insufficient reperfusion in patients with high thrombus burden treated with PPCI and manual aspiration thrombectomy. Methods. From January 2011 till December 2015, 277 STEMI patients undergoing manual aspiration thrombectomy and PPCI were selected and 202 patients with a Thrombolysis in Myocardial Infarction (TIMI) thrombus grade 4~5 were eventually involved in our study...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27869849/optical-coherence-tomography-imaging-of-capillary-reperfusion-after-ischemic-stroke
#9
Jonghwan Lee, Yasemin Gursoy-Ozdemir, Buyin Fu, David A Boas, Turgay Dalkara
Although progress has been made for recanalization therapies after ischemic stroke, post-treatment imaging studies show that tissue reperfusion cannot be attained despite satisfactory recanalization in a significant percentage of patients. Hence, investigation of microcirculatory changes in both surface and deep cortical levels after ischemia reperfusion is important for understanding the post-stroke blood flow dynamics. In this study, we applied optical coherence tomography (OCT) imaging of cerebral blood flow for the quantification of the microcirculatory changes...
November 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/27842548/infarct-size-following-complete-revascularization-in-patients-presenting-with-stemi-a-comparison-of-immediate-and-staged-in-hospital-non-infarct-related-artery-pci-subgroups-in-the-cvlprit-study
#10
Jamal N Khan, Sheraz A Nazir, John P Greenwood, Miles Dalby, Nick Curzen, Simon Hetherington, Damian J Kelly, Daniel Blackman, Arne Ring, Charles Peebles, Joyce Wong, Thiagarajah Sasikaran, Marcus Flather, Howard Swanton, Anthony H Gershlick, Gerry P McCann
BACKGROUND: The CvLPRIT study showed a trend for improved clinical outcomes in the complete revascularisation (CR) group in those treated with an immediate, as opposed to staged in-hospital approach in patients with multivessel coronary disease undergoing primary percutaneous intervention (PPCI). We aimed to assess infarct size and left ventricular function in patients undergoing immediate compared with staged CR for multivessel disease at PPCI. METHODS: The Cardiovascular Magnetic Resonance (CMR) substudy of CvLPRIT was a multicentre, prospective, randomized, open label, blinded endpoint trial in PPCI patients with multivessel disease...
November 9, 2016: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/27836132/gender-differences-in-associations-between-intraprocedural-thrombotic-events-during-percutaneous-coronary-intervention-and-adverse-outcomes
#11
Mikkel M Schoos, Roxana Mehran, George D Dangas, Jennifer Yu, Usman Baber, Peter Clemmensen, Frederick Feit, Bernard J Gersh, Giulio Guagliumi, E Magnus Ohman, Stuart J Pocock, Bernhard Witzenbichler, Gregg W Stone
Women are frequently reported to have increased morbidity after presentation with acute coronary syndromes and myocardial infarction; however, whether a greater thrombotic tendency contributes to gender differences in clinical outcomes of urgent percutaneous coronary intervention is unknown. Intraprocedural Thrombotic Events (IPTEs) are defined as new or increasing thrombus, abrupt vessel closure, no reflow or slow reflow, or distal embolization at any time during percutaneous coronary intervention. IPTEs were evaluated in this pooled analysis of 6,591 patients with stent implantation and blinded quantitative coronary angiography (QCA) analysis, from the ACUITY and HORIZONS-AMI trials...
October 11, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27801655/gender-based-differences-in-outcomes-after-orbital-atherectomy-for-the-treatment-of-de-novo-severely-calcified-coronary-lesions
#12
Michael S Lee, Evan Shlofmitz, Pejman Mansourian, Sanjum Sethi, Richard A Shlofmitz
OBJECTIVES: We evaluated the relationship between gender and angiographic and clinical outcomes in patients with severely calcified lesions who underwent orbital atherectomy. BACKGROUND: Female gender is associated with increased risk of adverse clinical events after percutaneous coronary intervention (PCI). Severe coronary artery calcification increases the complexity of PCI and increases the risk of adverse cardiac events. Orbital atherectomy is effective in plaque modification, which facilitates stent delivery and expansion...
November 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27775781/clinical-significance-of-dynamic-changes-in-hs-crp-and-adamts13-levels-in-the-blood-serum-of-patients-with-no-reflow-after-pci-operation
#13
W B Liu, Z-P Zou, H-P Jiang, Q Li, F-M Guo, Z Wang, Z-S Bi
OBJECTIVE: To evaluate the clinical significance dynamic changes in hs-CRP and ADAMTS13 levels in patients with no-reflow after PCI operation. PATIENTS AND METHODS: 156 patients with STEMI single-vessel were enrolled in this study. Patients were divided into the reflow and the no-reflow groups. ADAMTS13 and hs-CRP levels were compared between the two groups. RESULTS: ADAMTS13 and hs-CRP levels in the no-reflow group were significantly lower than those in the reflow group after PCI operation...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27770057/plasma-apelin-12-levels-may-predict-in-hospital-major-adverse-cardiac-events-in-st-elevation-myocardial-infarction-and-the-relationship-between-apelin-12-and-the-neutrophil-lymphocyte-ratio-in-patients-undergoing-primary-coronary-intervention
#14
Mustafa Topuz, Fahrettin Oz, Oguz Akkus, Omer Sen, Ayse Nur Topuz, Atilla Bulut, Suleyman Ozbicer, Sefa Okar, Mevlut Koc, Mustafa Gur
OBJECTIVE: We aimed to investigate the compliance of plasma apelin-12 levels to show angiographic properties and hospital MACE in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). MATERIAL AND METHODS: The association of apelin-12 levels with the N/L ratio on admission was assessed in 170 consecutive patients with primary STEMI undergoing primary PCI. All patient SYNTAX scores and thrombolysis in myocardial infarction (TIMI) flow grades were also assessed...
October 20, 2016: Perfusion
https://www.readbyqxmd.com/read/27747447/cardioprotective-effects-of-mitochondria-targeted-peptide-sbt-20-in-two-different-models-of-rat-ischemia-reperfusion
#15
Wangde Dai, Elissa Cheung, Rick J Alleman, Justin B Perry, Mitchell E Allen, David A Brown, Robert A Kloner
PURPOSE: Dysfunctional mitochondria are considered to be the major source of intracellular reactive oxygen species and play a central role in the pathophysiology of myocardial ischemia/reperfusion. This study sought to determine effects of mitochondria-targeted cytoprotective peptide SBT-20 on myocardial infarct size in two different models of ischemia/reperfusion. METHODS: For in vivo studies, anesthetized Sprague Dawley rats were subjected to 30 min of coronary artery occlusion followed by 3 h of reperfusion...
December 2016: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/27723055/response-to-the-letter-regarding-the-article-predictive-value-of-admission-red-cell-distribution-width-platelet-ratio-for-no-reflow-phenomenon-in-acute-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention
#16
https://www.readbyqxmd.com/read/27712735/does-residual-thrombus-after-aspiration%C3%A2-thrombectomy-affect-the%C3%A2-outcome-of-primary-pci-in-patients%C3%A2-with%C3%A2-st-segment-elevation-myocardial-infarction-an-optical-coherence-tomography-study
#17
Takumi Higuma, Tsunenari Soeda, Masahiro Yamada, Takashi Yokota, Hiroaki Yokoyama, Kei Izumiyama, Fumie Nishizaki, Yoshiyasu Minami, Lei Xing, Erika Yamamoto, Hang Lee, Ken Okumura, Ik-Kyung Jang
OBJECTIVES: The aim of this study was to evaluate if residual thrombus burden after aspiration thrombectomy affects the outcomes of primary percutaneous coronary intervention in patients with ST-segment elevation myocardial infarction (STEMI). BACKGROUND: Recent studies failed to show clinical benefit of aspiration thrombectomy in STEMI patients. This might be due to insufficient removal of thrombus at the culprit lesion. METHODS: A total of 109 STEMI patients who underwent aspiration thrombectomy followed by stenting within 24 h from symptom onset were included...
October 10, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27692660/therapeutic-hypothermia-to-protect-the-heart-against-acute-myocardial-infarction
#18
REVIEW
Matthias Kohlhauer, Alain Berdeaux, Bijan Ghaleh, Renaud Tissier
The cardioprotective effect of therapeutic hypothermia (32-34°C) has been well demonstrated in animal models of acute myocardial infarction. Beyond infarct size reduction, this protection was associated with prevention of the no-reflow phenomenon and long-term improvement in terms of left ventricular remodelling and performance. However, all these events were observed when hypothermia was induced during the ischaemic episode, and most benefits virtually vanished after reperfusion. This is consistent with clinical findings showing a lack of benefit from hypothermia in patients presenting acute myocardial infarction in most trials...
December 2016: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/27677883/exosomes-secreted-by-cardiosphere-derived-cells-reduce-scarring-attenuate-adverse-remodelling-and-improve-function-in-acute-and-chronic-porcine-myocardial-infarction
#19
Romain Gallet, James Dawkins, Jackelyn Valle, Eli Simsolo, Geoffrey de Couto, Ryan Middleton, Eleni Tseliou, Daniel Luthringer, Michelle Kreke, Rachel R Smith, Linda Marbán, Bijan Ghaleh, Eduardo Marbán
AIMS: Naturally secreted nanovesicles known as exosomes are required for the regenerative effects of cardiosphere-derived cells (CDCs), and exosomes mimic the benefits of CDCs in rodents. Nevertheless, exosomes have not been studied in a translationally realistic large-animal model. We sought to optimize delivery and assess the efficacy of CDC-secreted exosomes in pig models of acute (AMI) and convalescent myocardial infarction (CMI). METHODS AND RESULTS: In AMI, pigs received human CDC exosomes (or vehicle) by intracoronary (IC) or open-chest intramyocardial (IM) delivery 30 min after reperfusion...
September 27, 2016: European Heart Journal
https://www.readbyqxmd.com/read/27650230/increased-platelet-leukocyte-aggregates-are-associated-with-myocardial-no-reflow-in-patients-with-st-elevation-myocardial-infarction
#20
Faxin Ren, Nan Mu, Xia Zhang, Jinxi Tan, Liudong Li, Chuanhuan Zhang, Mei Dong
OBJECTIVE: We aimed to investigate the association between platelet-leukocyte aggregates (PLA) levels on admission and the risk of myocardial no-reflow in patients with ST elevation myocardial infarction (STEMI) who underwent primary percutaneous coronary intervention (PCI). METHODS: A total of 83 patients with STEMI undergoing primary PCI were included in the current study. Platelet-leukocyte conjugates (PLA), including platelet-monocyte aggregates (PMA), platelet-neutrophil aggregates (PNA) and platelet-lymphocyte aggregates were studied by flow cytometry in peripheral venous blood...
September 2016: American Journal of the Medical Sciences
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