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Myocardial Infarction

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https://www.readbyqxmd.com/read/29779200/impact-of-antithrombotic-regimen-on-mortality-ischemic-and-bleeding-outcomes-after-transcatheter-aortic-valve-replacement
#1
Anubodh Varshney, Ryan A Watson, Andrew Noll, KyungAh Im, Jeffrey Rossi, Pinak Shah, Robert P Giugliano
INTRODUCTION: Optimal antithrombotic therapy after transcatheter aortic valve replacement (TAVR) remains unclear. We evaluated the association between antithrombotic regimens and outcomes in TAVR patients. METHODS: We retrospectively analyzed consecutive patients who underwent TAVR at a single academic center from April 2009 to March 2014. Antithrombotic regimens were classified as single or dual antiplatelet therapy (AP), single antiplatelet plus anticoagulant (SAC), or triple therapy (TT)...
May 19, 2018: Cardiology and Therapy
https://www.readbyqxmd.com/read/29779179/clinical-outcomes-of-complete-revascularization-using-either-angiography-guided-or-fractional-flow-reserve-guided-drug-eluting-stent-implantation-in-non-culprit-vessels-in-st-elevation-myocardial-infarction-patients-insights-from-a-study-based-on-a-systematic
#2
REVIEW
Alexandre Hideo-Kajita, Hector M Garcia-Garcia, Kayode O Kuku, Solomon S Beyene, Viana Azizi, Yael F Meirovich, Gebremedhin D Melaku, Aaphtaab Dheendsa, Echo J Brathwaite, Sameer Desale, Mohammad Soud, Kazuhiro Dan, Yuichi Ozaki, Ron Waksman, Michael Lipinski
Current guidelines recommend that percutaneous coronary intervention (PCI) should be restricted to the culprit vessel in ST elevation myocardial infarction (STEMI) patients with multi-vessel disease (MVD) and without cardiogenic shock. However, newer data suggests that performing complete revascularization (CR) in MVD patients may lead to better outcomes compared to intervention in the culprit vessel only. The aim of this meta-analysis is to examine the available data to determine if CR (using either angio- or fractional flow reserve guidance-FFR) following primary PCI in STEMI patients without cardiogenic shock impacts clinical outcomes...
May 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29779046/sex-differences-in-the-long-term-prognostic-value-of-13-n-ammonia-myocardial-perfusion-positron-emission-tomography
#3
Catherine Gebhard, Michael Fiechter, Bernhard A Herzog, Christine Lohmann, Susan Bengs, Valerie Treyer, Michael Messerli, Dominik C Benz, Andreas A Giannopoulos, Christoph Gräni, Aju P Pazhenkottil, Ronny R Buechel, Philipp A Kaufmann
PURPOSE: Evidence to date on the unique female determinants of cardiovascular risk is inadequate. Positron Emission Tomography (PET) is considered to have the highest accuracy for the assessment of myocardial perfusion in patients with suspected coronary artery disease (CAD), but its long-term prognostic accuracy in women has not been established. METHODS: A total of 619 consecutive patients (138 women, mean age 60.0 ± 11.8 years) underwent clinically indicated 13 N-ammonia PET at our institution and were followed up (median 5...
May 19, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29779035/combined-coronary-artery-bypass-graft-cabg-surgery-and-lung-resection-for-lung-cancer-in-patients-more-than-50-years-of-age
#4
Ban Liu, Chao Chen, Chang Gu, Qianfan Li, Jingjing Liu, Yiwei Pu, Yu Lin, Zilun Wei, Zhi Li, Yangyang Zhang
BACKGROUND The co-existence of coronary heart disease (CHD) and lung cancer is increasing in an increasingly aging population. The aim of this study was to evaluate patient outcome from combined off-pump coronary artery bypass graft (CABG) surgery and lung resection in patients more than 50 years-of-age. MATERIAL AND METHODS A retrospective clinical study of 23 patients with a mean age of 70.2±8.4 years (range, 51-86 years) included 18 men and five women with CHD and lung cancer who underwent a single operation with combined off-pump CABG surgery and lung resection, for non-small cell lung cancer (NSCLC) (n=22) and small cell lung cancer (n=1)...
May 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29778748/protein-kinases-are-involved-in-the-cardioprotective-effects-activated-by-platelet-glycoprotein-iib-iiia-inhibitor-tirofiban-at-reperfusion-in-rats-in-vivo
#5
Shih-Tai Chang, Ya-Ting Yang, Chi-Ming Chu, Kuo-Li Pan, Jen-Te Hsu, Ju-Feng Hsiao, Yu-Sheng Lin, Chang-Min Chung
The thrombolytic effect of platelet glycoprotein IIb/IIIa inhibitors (GP IIb/IIIa inhibitors) in myocardial infarction has been well established. Nevertheless, data on the mechanism of the cardioprotective effect of GP IIb/IIIa inhibitors in ischemic-reperfusion injury (IR) are lacking. Sprague-Dawley rats received 120min of coronary ischemia and 180min of reperfusion. A GP IIb/IIIa inhibitor was given via continuous intravenous infusion at a rate of 2 ug/kg/min 30min prior to reperfusion with/without inhibitors of PKCε (chelerythrine), PI3 kinase and Akt (wortmannin), p38 MAPK (SB203582), p42/44 MAPK (PD98059) and ERK1/2 (u0126) 15min prior to the GP IIb/IIIa inhibitor...
May 17, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29778734/association-between-maximal-activated-clotting-time-and-major-bleeding-complications-during-transradial-and-transfemoral-percutaneous-coronary-intervention
#6
David W Louis, Kevin Kennedy, Fabio V Lima, Samir Pancholy, J Dawn Abbott, Paul Gordon, Herbert D Aronow
OBJECTIVES: This study sought to determine whether higher maximal activated clotting time (ACT) during transradial (TR) percutaneous coronary intervention (PCI) is associated with greater bleeding risk. BACKGROUND: Higher maximal ACT during transfemoral (TF) PCI has been associated with a greater bleeding risk. It is unclear whether this relationship exists in the setting of TR PCI. METHODS: Among 14,637 patients undergoing TR or TF PCI with unfractionated heparin monotherapy, the study related maximal ACT to the risk of major bleeding...
May 11, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29778733/leukemic-blast-clot-causing-st-segment-elevation-myocardial-infarction
#7
Emmanouil Skalidis, Ioannis Anastasiou, Ioannis Konstantinou, Stylianos Petousis, Eleni Papadaki, Elias Drakos, Fragiskos Parthenakis
No abstract text is available yet for this article.
May 11, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29778671/international-study-of-comparative-health-effectiveness-with-medical-and-invasive-approaches-ischemia-trial-rationale-and-design
#8
David J Maron, Judith S Hochman, Sean M O'Brien, Harmony R Reynolds, William E Boden, Gregg W Stone, Sripal Bangalore, John A Spertus, Daniel B Mark, Karen P Alexander, Leslee Shaw, Jeffrey S Berger, T Bruce Ferguson, David O Williams, Robert A Harrington, Yves Rosenberg
BACKGROUND: Prior trials comparing a strategy of optimal medical therapy with or without revascularization have not shown that revascularization reduces cardiovascular events in patients with stable ischemic heart disease (SIHD). However, those trials only included participants in whom coronary anatomy was known prior to randomization and did not include sufficient numbers of participants with significant ischemia. It remains unknown whether a routine invasive approach offers incremental value over a conservative approach with catheterization reserved for failure of medical therapy in patients with moderate or severe ischemia...
April 21, 2018: American Heart Journal
https://www.readbyqxmd.com/read/29778453/mitral-valve-repair-complicated-by-left-circumflex-coronary-artery-occlusion-an-under-recognized-but-potentially-deadly-complication
#9
Tariq A Ahmad, Matthew Nudy, Dirk Pabst, Mark Kozak
Mitral valve repair is becoming an increasingly frequent surgery for patients with mitral valve regurgitation. Iatrogenic coronary artery injury and ischemic myocardial compromise have been previously reported in the literature as a rare but serious complication of surgical mitral valve repair. This potentially life-threatening complication should be considered and quickly recognized during perioperative mitral valve repair or replacement to prevent morbidity and mortality. To increase awareness and to prevent this complication from being missed in the future, we present a case report of iatrogenic left circumflex artery dynamic occlusion and subsequent myocardial infarction from mitral valve annuloplasty resulting in severe peri-operative heart failure and death...
April 25, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29778364/prevention-of-cardiovascular-events-in-asian-patients-with-ischaemic-stroke-at-high-risk-of-cerebral-haemorrhage-picasso-a-multicentre-randomised-controlled-trial
#10
Bum Joon Kim, Eun-Jae Lee, Sun U Kwon, Jong-Ho Park, Yong-Jae Kim, Keun-Sik Hong, Lawrence K S Wong, Sungwook Yu, Yang-Ha Hwang, Ji Sung Lee, Juneyoung Lee, Joung-Ho Rha, Sung Hyuk Heo, Sung Hwan Ahn, Woo-Keun Seo, Jong-Moo Park, Ju-Hun Lee, Jee-Hyun Kwon, Sung-Il Sohn, Jin-Man Jung, Jose C Navarro, Dong-Wha Kang
BACKGROUND: The optimal treatment for patients with ischaemic stroke with a high risk of cerebral haemorrhage is unclear. We assessed the efficacy and safety of cilostazol versus aspirin, with and without probucol, in these patients. METHODS: In this randomised, controlled, 2 × 2 factorial trial, we enrolled patients with ischaemic stroke with a history of or imaging findings of intracerebral haemorrhage or two or more microbleeds from 67 centres in three Asian countries...
June 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29778317/appropriate-use-of-noninvasive-ischemia-testing-to-guide-revascularization-decision-making-following-acute-st-elevation-myocardial-infarction-in-latin-american-countries-results-from-an-expert-panel-meeting-of-the-international-atomic-energy-agency
#11
I Berrocal, A Peix, F Mut, L J Shaw, G Karthikeyan, E Estrada Lobato, D Paez
Across Latin American and Caribbean countries, cardiovascular disease and especially ischemic heart disease is currently the main cause of death both in men and in women. For most Latin American and Caribbean countries, public and community health efforts aim to define care strategies which are both clinically and cost effective and promote primary and secondary prevention, resulting in improved patient outcomes. The optimal approach to deal with acute events such as ST-elevation myocardial infarction (STEMI) is a matter of controversy; however, there is an expanding role for assessing residual ischemic burden in STEMI patients following primary percutaneous coronary intervention...
May 16, 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29778236/challenges-in-implementation-of-institutional-protocols-for-patients-with-acute-coronary-syndrome
#12
REVIEW
Atman P Shah, Sandeep Nathan
The diagnosis of acute coronary syndrome (ACS) encompasses ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation ACS (non-STEMI and unstable angina). In recent years, there have been improvements in the rates of death, cardiogenic shock, and recurrent myocardial infarction in patients with ACS, primarily due to the introduction of new pharmacological and interventional therapies, as well as the introduction of and adherence to new treatment guidelines. However, ACS still represents a considerable public health burden...
April 17, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29777709/amelioration-of-myocardial-ischemia-reperfusion-injury-by-sirt4-involves-mitochondrial-protection-and-reduced-apoptosis
#13
Guangwei Zeng, Hui Liu, Haiyan Wang
Apoptosis and mitochondria dysfunction are key contributors to myocardial ischemia-reperfusion (MI-R) injury. SIRT4, a mitochondrial-localized sirtuin, controls cellular energy metabolism and stress response, and is abundantly present in the heart, however, its role in MI-R injury is not clear. In the current study, we demonstrate that SIRT4 is downregulated in cardiomyocytes both in vitro and in vivo models after MI-R. Functionally, SIRT4 overexpression decreases myocardial infarct size and serum creatine phosphokinase (CPK) level, and vice versa, SIRT4 depletion by siRNA increases myocardial infarct size and serum CPK level...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777297/optical-coherence-tomography-in-stemi-with-bioresorbable-scaffold-possible-cause-of-coronary-flow-impairment-a-sub-study-from-the-prague-19-trial
#14
Marco Loffi, Petr Tousek, Tomas Budesinsky, Libor Lisa, Andrea Santangelo, Petr Widimsky, Viktor Kocka
This study assessed the Optical Coherence Tomography (OCT) impact on the coronary flow in ST-elevation myocardial infarction (STEMI) after bioresorbable scaffold implantation. Only few data about OCT use in STEMI are available and coronary flow before and after OCT is not well studied yet. 54 patients with OCT performed at the end of procedure from the Prague 19 trial were selected and coronary flow was evaluated as TIMI frame count (TFC) before and just after OCT. Significant increase in TIMI frame count after OCT [from 9...
May 18, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29776961/mr-proadm-as-a-prognostic-marker-in-patients-with-st-segment-elevation-myocardial-infarction-danami-3-a-danish-study-of-optimal-acute-treatment-of-patients-with-stemi-substudy
#15
Alexander C Falkentoft, Rasmus Rørth, Kasper Iversen, Dan E Høfsten, Henning Kelbæk, Lene Holmvang, Martin Frydland, Mikkel M Schoos, Steffen Helqvist, Anna Axelsson, Peter Clemmensen, Erik Jørgensen, Kari Saunamäki, Hans-Henrik Tilsted, Frants Pedersen, Christian Torp-Pedersen, Klaus F Kofoed, Jens P Goetze, Thomas Engstrøm, Lars Køber
BACKGROUND: Midregional proadrenomedullin (MR-proADM) has demonstrated prognostic potential after myocardial infarction (MI). Yet, the prognostic value of MR-proADM at admission has not been examined in patients with ST-segment-elevation MI (STEMI). METHODS AND RESULTS: The aim of this substudy, DANAMI-3 (The Danish Study of Optimal Acute Treatment of Patients with ST-segment-elevation myocardial infarction), was to examine the associations of admission concentrations of MR-proADM with short- and long-term mortality and hospital admission for heart failure in patients with ST-segment-elevation myocardial infarction...
May 18, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29776957/sudden-death-in-patients-with-severe-aortic-stenosis-observations-from-the-current-as-registry
#16
Tomohiko Taniguchi, Takeshi Morimoto, Hiroki Shiomi, Kenji Ando, Norio Kanamori, Koichiro Murata, Takeshi Kitai, Yuichi Kawase, Chisato Izumi, Takao Kato, Katsuhisa Ishii, Kazuya Nagao, Yoshihisa Nakagawa, Mamoru Toyofuku, Naritatsu Saito, Kenji Minatoya, Takeshi Kimura
BACKGROUND: The annual incidence of sudden death has been reported to be low (<1%/year) in asymptomatic patients with severe aortic stenosis (AS), and there is a paucity of data on the risk factors of sudden death in patients with severe AS. METHODS AND RESULTS: We evaluated the incidence and risk factors of sudden death during the median follow-up period of 1334 days in the Contemporary Outcomes After Surgery and Medical Treatment in Patients With Severe Aortic Stenosis (CURRENT AS) registry enrolling 3815 consecutive patients with severe AS between 2003 and 2011...
May 18, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29776652/meta-analysis-of-transcatheter-valve-in-valve-implantation-versus-redo-aortic-valve-surgery-for-bioprosthetic-aortic-valve-dysfunction
#17
Saroj Neupane, Hemindermeet Singh, Johannes Lämmer, Hussein Othman, Hiroshi Yamasaki, Howard S Rosman, Eduardo Bossone, Rajendra H Mehta, Holger Eggebrecht
Transcatheter valve-in-valve implantation (ViV-TAVI) has evolved as an alternative to redo surgical valve replacement (redo-SAVR) for high-risk patients with aortic bioprosthetic valve (BPV) dysfunction. The differences in procedural success and outcomes in a large number of patients who underwent ViV-TAVI compared with redo-SAVR for aortic BPV dysfunction are not known. We conducted a meta-analysis of the previously reported studies to determine outcomes after ViV-TAVI and redo-SAVR. PubMed, MEDLINE, and Google Scholar databases were searched for studies that reported comparative outcomes of patients who underwent either ViV-TAVI or redo-SAVR...
April 19, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29776575/optimal-long-term-antithrombotic-treatment-of-patients-with-stable-coronary-artery-disease-and-atrial-fibrillation-oltat-registry
#18
Q Fischer, J L Georges, C Le Feuvre, A Sharma, N Hammoudi, E Berman, S Cohen, I Jolivet, J Silvain, G Helft
BACKGROUND: The optimal long-term antithrombotic treatment of patients with stable coronary artery disease (CAD) and atrial fibrillation (AF) is a challenge in daily practice. We sought to determine the prevalence of hemorrhagic complications and ischaemic events depending on antithrombotic strategy in patients with stable CAD and AF. METHODS: The primary outcome was major adverse cardiac and cerebrovascular events (MACCE) defined as a composite of cardiovascular mortality, myocardial infarction and ischaemic stroke...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776573/duration-of-dual-antiplatelet-therapy-and-outcome-in-patients-with-acute-coronary-syndrome-undergoing-percutaneous-revascularization-a-meta-analysis-of-11-randomized-trials
#19
Monica Verdoia, Elvin Khedi, Claudia Ceccon, Harry Suryapranata, Giuseppe De Luca
BACKGROUND: Acute coronary syndromes (ACS) represent a context of higher thrombotic risk, where larger advantages have been achieved by the administration of dual antiplatelet therapy (DAPT). However, the indication of 1 year DAPT after coronary angioplasty for ACS has been supported by an outdated randomized trial (PCI-CURE). In addition, the initial fear of late thrombotic events emerged with first generation drug-eluting stents (DES), that suggested the need of a prolonged DAPT prescription, has been completely overcome by the recent technological evolution of DES, that have shown faster re-endothelization and lower rates of late thrombotic complications...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776337/should-statin-guidelines-consider-patient-preferences-eliciting-preferences-of-benefit-and-harm-outcomes-of-statins-for-primary-prevention-of-cardiovascular-disease-in-the-sub-saharan-african-and-european-contexts
#20
Henock G Yebyo, Hélène E Aschmann, Tsung Yu, Milo A Puhan
BACKGROUND: Patient preferences are key parameters to evaluate benefit-harm balance of statins for primary prevention but they are not readily available to guideline developers and decision makers. Our study aimed to elicit patient preferences for benefit and harm outcomes related to use of statins for primary cardiovascular disease prevention and to examine how the preferences differ across economically and socio-culturally different environments. METHODS: We conducted preference-eliciting surveys using best-worst scaling designed with a balanced incomplete-block design (BIBD) on 13 statins-related outcomes on 220 people in Ethiopia and Switzerland...
May 18, 2018: BMC Cardiovascular Disorders
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