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Myocardial salvage index

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https://www.readbyqxmd.com/read/29153533/outcomes-at-a-single-center-after-subintimal-arterial-flossing-with-antegrade-retrograde-intervention-for-critical-limb-ischemia
#1
Anish Kaushal, Graham Roche-Nagle, Kong T Tan, Elizabeth Liao, Naomi Eisenberg, George D Oreopoulos, Dheeraj K Rajan
OBJECTIVE: The subintimal arterial flossing with antegrade-retrograde intervention technique has been used to overcome antegrade recanalization failures for peripheral lower limb arterial occlusive disease. There are few outcomes published for this technique and we sought to evaluate outcomes at our institution over a 7-year period. METHODS: A retrospective review was performed of all subintimal arterial flossing with antegrade-retrograde intervention procedures of infrainguinal occlusive disease from 2009 to 2016...
November 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29146587/prognostic-stratification-of-patients-with-st-segment-elevation-myocardial-infarction-prospect-a-cardiac-magnetic-resonance-study
#2
Gianluca Pontone, Andrea I Guaricci, Daniele Andreini, Giovanni Ferro, Marco Guglielmo, Andrea Baggiano, Laura Fusini, Giuseppe Muscogiuri, Valentina Lorenzoni, Saima Mushtaq, Edoardo Conte, Andrea Annoni, Alberto Formenti, Maria Elisabetta Mancini, Patrizia Carità, Massimo Verdecchia, Silvia Pica, Fabio Fazzari, Nicola Cosentino, Giancarlo Marenzi, Mark G Rabbat, Piergiuseppe Agostoni, Antonio L Bartorelli, Mauro Pepi, Pier Giorgio Masci
BACKGROUND: Cardiac magnetic resonance (CMR) is a robust tool to evaluate left ventricular ejection fraction (LVEF), myocardial salvage index, microvascular obstruction, and myocardial hemorrhage in patients with ST-segment-elevation myocardial infarction. We evaluated the additional prognostic benefit of a CMR score over standard prognostic stratification with global registry of acute coronary events (GRACE) score and transthoracic echocardiography LVEF measurement. METHODS AND RESULTS: Two hundred nine consecutive patients with ST-segment-elevation myocardial infarction (age, 61...
November 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29076346/a-systematic-review-and-meta-analysis-evaluating-ischemic-conditioning-during-percutaneous-coronary-intervention
#3
David I Blusztein, Matthew J Brooks, David T Andrews
AIM: A systematic review and meta-analysis, evaluating ischemic conditioning during percutaneous coronary intervention (PCI). METHODS & RESULTS: A database search of randomized trials of ischemic conditioning in PCI created three subgroups for meta-analysis: mortality in elective PCI with remote ischemic preconditioning (RIPreC; subgroup 1a, n = 3) - no outcome difference between RIPreC and control (odds ratio: 0.34; 95% CI: 0.08-1.56), myocardial salvage index in ST-elevation myocardial infarction (STEMI) with RIPreC (subgroup 1b, n = 2) - favored RIPreC (mean difference: 0...
October 27, 2017: Future Cardiology
https://www.readbyqxmd.com/read/29027116/effect-of-intracoronary-and-intravenous-melatonin-on-myocardial-salvage-index-in-patients-with-st-elevation-myocardial-infarction-a-randomized-placebo-controlled-trial
#4
Sarah Ekeloef, Natalie Halladin, Siv Fonnes, Svend Eggert Jensen, Tomas Zaremba, Jacob Rosenberg, Grete Jonsson, Jens Aarøe, Lærke Smidt Gasbjerg, Mette Marie Rosenkilde, Ismail Gögenur
Melatonin has attenuated myocardial ischemia reperfusion injury in experimental studies. We hypothesized that the administration of melatonin during acute myocardial reperfusion improves myocardial salvage index in patients with ST-elevation myocardial infarction. Patients (n = 48) were randomized in a 1:1 ratio to intracoronary and intravenous melatonin (total 50 mg) or placebo. The myocardial salvage index assessed by cardiac magnetic resonance imaging at day 4 (± 1 day) after primary percutaneous coronary intervention was similar in the melatonin group (n = 22) at 55...
October 12, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28931920/evaluation-of-circulating-levels-of-ccn2-connective-tissue-growth-factor-in-patients-with-st-elevation-myocardial-infarction
#5
Vibeke Ritschel, Christian Shetelig, Ingebjørg Seljeflot, Shanmuganathan Limalanathan, Pavel Hoffmann, Sigrun Halvorsen, Harald Arnesen, Jan Eritsland, Geir Øystein Andersen
CCN2/Connective tissue growth factor seems to be involved in development of cardiac hypertrophy and fibrosis, but a possible cardioprotective role in left ventricular (LV) remodelling following myocardial infarction has also been suggested. The main objectives of the study were therefore to investigate whether circulating CCN2 levels were associated with infarct size, LV function, adverse remodelling or clinical outcome in two cohorts of patients with ST-elevation myocardial infarction (STEMI). CCN2 was measured in 988 patients 18 hours after PCI and clinical events were recorded after 55 months in the BAMI cohort...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28856546/role-of-cardiac-magnetic-resonance-imaging-in-myocardial-infarction
#6
REVIEW
Gianluca Pontone, Patrizia Carità, Mark G Rabbat, Marco Guglielmo, Andrea Baggiano, Giuseppe Muscogiuri, Andrea I Guaricci
PURPOSE OF REVIEW: The purpose of the present paper is to analytically review the diagnostic and prognostic role of CMR in ST-segment elevation myocardial infarction (STEMI) survivors. Percutaneous coronary intervention (PCI) is the treatment of choice in patients STEMI. However, risk of future events remains substantial. Assessment of the extent of myocardial infarction (MI), cardiac function and ventricular remodelling has become the focus of recent studies. Electrocardiography, angiography and echocardiography parameters, as well as risk scores, lack sensitivity and reproducibility in predicting future cardiovascular events...
August 31, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28758060/early-speckle-tracking-echocardiography-predicts-left-ventricle-remodeling-after-acute-st-segment-elevation-myocardial-infarction
#7
Donato Mele, Marianna Nardozza, Elisabetta Chiodi
BACKGROUND: Prediction of the left ventricular remodeling (LVR) after ST-segment elevation myocardial infarction (STEMI) in patients treated with effective myocardial reperfusion is challenging. METHODS: Forty-one consecutive patients (36 males, age 59 ± 10 years) with STEMI who underwent effective (TIMI III) primary coronary angioplasty were enrolled. All patients had an echocardiography and cardiac magnetic resonance (CMR) study within 72 h from revascularization...
July 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28733072/early-myocardial-edema-after-acute-myocardial-infarction-is-stable-and-not-bimodal-in-humans-evidence-from-a-large-cmr-multicenter-study
#8
Thomas Stiermaier, Holger Thiele, Ingo Eitel
BACKGROUND: Experimental data reported a temporal pattern of myocardial edema following acute myocardial infarction (AMI). Therefore, the aim of this study was to assess the time course of myocardial edema in a large population of patients with ST-segment elevation myocardial infarction (STEMI). METHODS: Myocardium at risk (MAR), infarct size (IS) and myocardial salvage index (MSI) were compared according to the time between infarction and cardiovascular magnetic resonance (CMR) imaging in a large multicenter STEMI cohort (n=795)...
July 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28687712/dynamic-edematous-response-of-the-human-heart-to-myocardial-infarction-implications-for-assessing-myocardial-area-at-risk-and-salvage
#9
Rodrigo Fernández-Jiménez, Manuel Barreiro-Pérez, Ana Martin-García, Javier Sánchez-González, Jaume Agüero, Carlos Galán-Arriola, Jaime García-Prieto, Elena Díaz-Pelaez, Pedro Vara, Irene Martinez, Ivan Zamarro, Beatriz Garde, Javier Sanz, Valentin Fuster, Pedro L Sánchez, Borja Ibanez
BACKGROUND: Clinical protocols aimed to characterize the post-myocardial infarction (MI) heart by cardiac magnetic resonance (CMR) need to be standardized to take account of dynamic biological phenomena evolving early after the index ischemic event. Here, we evaluated the time course of edema reaction in patients with ST-segment-elevation MI by CMR and assessed its implications for myocardium-at-risk (MaR) quantification both in patients and in a large-animal model. METHODS: A total of 16 patients with anterior ST-segment-elevation MI successfully treated by primary angioplasty and 16 matched controls were prospectively recruited...
October 3, 2017: Circulation
https://www.readbyqxmd.com/read/28682943/remote-ischemic-post-conditioning-improves-myocardial-dysfunction-via-the-risk-and-safe-pathways-in-a-rat-model-of-severe-hemorrhagic-shock
#10
Jianrong Huang, Dawei Xu, Qinyue Guo, Bing Ou, Qin Ling, Jianhua Li, Zhengfei Yang, Wanchun Tang
INTRODUCTION: Patients who have been resuscitated after severe hemorrhagic shock still have a high mortality rate. Previously published literature has suggested that remote ischemic postconditioning (RIPostC) has a cardioprotective effect, but few studies have focused on RIPostC performed after severe hemorrhagic shock. In this study, we aim to explore the effects and mechanism of RIPostC on myocardial ischemia and reperfusion injuries after hemorrhagic shock. METHODS: Fifty male rats were randomized into four groups: Sham, Control, RIPerC (remote ischemic per-conditioning) and RIPostC...
July 4, 2017: Shock
https://www.readbyqxmd.com/read/28674086/mapping-myocardial-salvage-index-by-extracellular-volume-fraction-are-we-there-yet
#11
EDITORIAL
Heerajnarain Bulluck, Derek J Hausenloy
No abstract text is available yet for this article.
July 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28624398/prognostic-significance-of-remote-myocardium-alterations-assessed-by-quantitative-noncontrast-t1-mapping-in-st-segment-elevation-myocardial-infarction
#12
Sebastian J Reinstadler, Thomas Stiermaier, Johanna Liebetrau, Georg Fuernau, Charlotte Eitel, Suzanne de Waha, Steffen Desch, Jan-Christian Reil, Janine Pöss, Bernhard Metzler, Christian Lücke, Matthias Gutberlet, Gerhard Schuler, Holger Thiele, Ingo Eitel
OBJECTIVES: This study assessed the prognostic significance of remote zone native T1 alterations for the prediction of clinical events in a population with ST-segment elevation myocardial infarction (STEMI) who were treated by primary percutaneous coronary intervention (PPCI) and compared it with conventional markers of infarct severity. BACKGROUND: The exact role and incremental prognostic relevance of remote myocardium native T1 mapping alterations assessed by cardiac magnetic resonance (CMR) after STEMI remains unclear...
June 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28596216/effect-of-ischemia-duration-and-protective-interventions-on-the-temporal-dynamics-of-tissue-composition-after-myocardial-infarction
#13
Rodrigo Fernández-Jiménez, Carlos Galán-Arriola, Javier Sánchez-González, Jaume Agüero, Gonzalo J López-Martín, Sandra Gomez-Talavera, Jaime Garcia-Prieto, Austin Benn, Antonio Molina-Iracheta, Manuel Barreiro-Pérez, Ana Martin-García, Inés García-Lunar, Gonzalo Pizarro, Javier Sanz, Pedro L Sánchez, Valentin Fuster, Borja Ibanez
RATIONALE: The impact of cardioprotective strategies and ischemia duration on postischemia/reperfusion (I/R) myocardial tissue composition (edema, myocardium at risk, infarct size, salvage, intramyocardial hemorrhage, and microvascular obstruction) is not well understood. OBJECTIVE: To study the effect of ischemia duration and protective interventions on the temporal dynamics of myocardial tissue composition in a translational animal model of I/R by the use of state-of-the-art imaging technology...
August 4, 2017: Circulation Research
https://www.readbyqxmd.com/read/28595694/myocardial-damage-in-patients-with-deferred-stenting-after-stemi-a-danami-3-defer-substudy
#14
RANDOMIZED CONTROLLED TRIAL
Jacob Lønborg, Thomas Engstrøm, Kiril Aleksov Ahtarovski, Lars Nepper-Christensen, Steffen Helqvist, Niels Vejlstrup, Kasper Kyhl, Mikkel Malby Schoos, Ali Ghotbi, Christoffer Göransson, Litten Bertelsen, Lene Holmvang, Frants Pedersen, Erik Jørgensen, Kari Saunamäki, Peter Clemmensen, Ole De Backer, Lene Kløvgaard, Dan Eik Høfsten, Lars Køber, Henning Kelbæk
BACKGROUND: Although some studies found improved coronary flow and myocardial salvage when stent implantation was deferred, the DANAMI-3-DEFER (Third DANish Study of Optimal Acute Treatment of Patients With ST-elevation Myocardial Infarction) did not show any improvement in clinical outcome in patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI) and deferred stenting. OBJECTIVES: This study sought to evaluate the effect of deferred stent implantation on infarct size, myocardial salvage, and microvascular obstruction (MVO) in patients with STEMI...
June 13, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28515120/remote-ischemic-perconditioning-to-reduce-reperfusion-injury-during-acute-st-segment-elevation-myocardial-infarction-a-systematic-review-and-meta-analysis
#15
REVIEW
Shelley L McLeod, Alla Iansavichene, Sheldon Cheskes
BACKGROUND: Remote ischemic conditioning (RIC) is a noninvasive therapeutic strategy that uses brief cycles of blood pressure cuff inflation and deflation to protect the myocardium against ischemia-reperfusion injury. The objective of this systematic review was to determine the impact of RIC on myocardial salvage index, infarct size, and major adverse cardiovascular events when initiated before catheterization. METHODS AND RESULTS: Electronic searches of Medline, Embase, and Cochrane Central Register of Controlled Trials were conducted and reference lists were hand searched...
May 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28488317/impact-of-sleep-disordered-breathing-in-patients-with-acute-myocardial-infarction-a-retrospective-analysis
#16
Verena Gessner, Thomas Bitter, Dieter Horstkotte, Olaf Oldenburg, Henrik Fox
Sleep-disordered breathing (SDB) is associated with an increased risk of cardiovascular events. Previous studies showed that severe SDB has a negative impact on myocardial salvage and progression of left ventricular dysfunction after acute myocardial infarction (AMI). This study investigated the frequency of SDB and the effects of SDB on left ventricular function after AMI. This retrospective study enrolled all patients with AMI who had undergone cardiorespiratory polygraphy for SDB diagnosis. The apnea-hypopnea index was used as a standard metric of SDB severity...
October 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28474817/relationship-between-diabetes-and-ischaemic-injury-among-patients-with-revascularized-st-elevation-myocardial-infarction
#17
Sebastian J Reinstadler, Thomas Stiermaier, Charlotte Eitel, Bernhard Metzler, Suzanne de Waha, Georg Fuernau, Steffen Desch, Holger Thiele, Ingo Eitel
AIMS: Studies comparing reperfusion efficacy and myocardial damage between diabetic and non-diabetic patients with ST-elevation myocardial infarction (STEMI) are scarce and have reported conflicting results. The aim was to investigate the impact of preadmission diabetic status on myocardial salvage and damage as determined by cardiac magnetic resonance (CMR), and to evaluate its prognostic relevance. MATERIALS AND METHODS: We enrolled 792 patients with STEMI at 8 sites...
May 5, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28439734/myocardial-salvage-after-primary-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction-presenting-early-versus-late-after-symptom-onset
#18
Thomas Stiermaier, Ingo Eitel, Suzanne de Waha, Janine Pöss, Georg Fuernau, Holger Thiele, Steffen Desch
Primary percutaneous coronary intervention (PCI) is the treatment of choice in patients with ST-elevation myocardial infarction (STEMI) presenting within 12 h of symptom onset. A benefit in the subacute stage is less clear. The aim of the present analysis was to compare myocardial salvage and infarct size between patients with early and late reperfusion after STEMI. We compared cardiac magnetic resonance (CMR) data from a randomized controlled trial (RCT) in STEMI patients presenting within 12 h (n = 695) and a RCT of subacute STEMI patients presenting between 12 and 48 h (n = 93) after symptom onset...
October 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28438740/clinical-significance-of-postinfarct-fever-in-st-segment-elevation-myocardial-infarction-a-cardiac-magnetic-resonance-imaging-study
#19
Woo Jin Jang, Jeong Hoon Yang, Young Bin Song, Woo Jung Chun, Ju Hyeon Oh, Yong Hwan Park, Mi Rae Lee, Jin Kyung Hwang, Ji-Won Hwang, Joo-Yong Hahn, Seung-Hyuk Choi, Sang-Chol Lee, Yeon Hyeon Choe, Hyeon-Cheol Gwon
BACKGROUND: Little is known about causality and pathological mechanism underlying association of postinfarct fever with myocardial injury in patients with ST-segment elevation myocardial infarction. METHODS AND RESULTS: In 276 patients undergoing primary percutaneous coronary intervention for ST-segment elevation myocardial infarction, cardiac magnetic resonance imaging was performed a median of 3.4 days after the index procedure. Forty-five patients had postinfarct fever (peak body temperature within 4 days after primary percutaneous coronary intervention ≥37...
April 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28373244/cardioprotective-effects-of-intracoronary-morphine-in-st-segment-elevation-myocardial-infarction-patients-undergoing-primary-percutaneous-coronary-intervention-a-prospective-randomized-trial
#20
RANDOMIZED CONTROLLED TRIAL
Hye Bin Gwag, Eun Kyoung Kim, Taek Kyu Park, Joo Myung Lee, Jeong Hoon Yang, Young Bin Song, Jin-Ho Choi, Seung-Hyuk Choi, Sang Hoon Lee, Sung-A Chang, Sung-Ji Park, Sang-Chol Lee, Seung Woo Park, Woo Jin Jang, Mirae Lee, Woo Jung Chun, Ju Hyeon Oh, Yong Hwan Park, Yeon Hyeon Choe, Hyeon-Cheol Gwon, Joo-Yong Hahn
BACKGROUND: A cardioprotective role of morphine acting via opioid receptors has been demonstrated, and previous preclinical studies have reported that morphine could reduce reperfusion injury and myocardial infarct size in a way similar to that of ischemic periconditioning. This study aimed to evaluate the effect of intracoronary morphine on myocardial infarct size in patients with ST-elevation myocardial infarction undergoing primary percutaneous coronary intervention. METHODS AND RESULTS: This study was designed as a 2-center, prospective, randomized, open-label, blinded end point trial...
April 3, 2017: Journal of the American Heart Association
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