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Alekseeva YV, Vyshlov EV, Pavlyukova EN, Ussov VY, Markov VA, Ryabov VV. Impact of microvascular injury various types on function of left ventricular in patients with primary myocardial infarction with ST segment elevation. ACTA ACUST UNITED AC 2021; 61:23-31. [PMID: 34112072 DOI: 10.18087/cardio.2021.5.n1500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 02/26/2021] [Indexed: 11/18/2022]
Abstract
AIM To analyze the long-term effect of microvascular injury various types on the structural and functional parameters of the left ventricle assessed by echocardiography in patients with primary ST-segment elevation myocardial infarction (STEMI). MATERIALS AND METHODS The study included 60 patients with primary STEMI admitted within the first 12 hours after the onset of disease who underwent stenting of the infarct-associated coronary artery. Each patient included in the study underwent CMR imaging on the second day post-STEMI. MVO and IMH were assessed using late gadolinium enhancement and T2-weighted CMR imaging. Subsequently, all patients underwent the standard echocardiographic protocol on the 7th day and 3 months after MI. RESULTS We divided all patients into 4 groups: the 1st group didn't have any phenomena of IMH and MVO, the 2nd group had only MVO, patients of the 3rd group had only IMH and in the 4th group there was a combination of MVO and IMH. LV ejection fraction was significantly lower in patients with combination of MVO and IMH, if compared to those without it. Correlation analysis showed a moderate inverse correlation between the MVO area and LV contractile function: the larger the area, the lower the LVEF (R=-0,60; p=0,000002). CONCLUSIONS The combination of IMH and MVO is a predictor of a reduction in LVEF and an increase of volumetric measurements within 3 months after MI. In comparison with patients without microvascular injury isolated MVO is associated with lower LVEF. The size of MVO is directly correlated with the LV contractile function decrease. Isolated IMH was not associated with deterioration of left ventricular function.
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Affiliation(s)
- Ya V Alekseeva
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
| | - E V Vyshlov
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
| | - E N Pavlyukova
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
| | - V Yu Ussov
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
| | - V A Markov
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
| | - V V Ryabov
- Cardiology Research Institute, Tomsk National Research Medical Centre; Siberian State Medical University, Tomsk
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52
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Lourbopoulos A, Mourouzis I, Xinaris C, Zerva N, Filippakis K, Pavlopoulos A, Pantos C. Translational Block in Stroke: A Constructive and "Out-of-the-Box" Reappraisal. Front Neurosci 2021; 15:652403. [PMID: 34054413 PMCID: PMC8160233 DOI: 10.3389/fnins.2021.652403] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022] Open
Abstract
Why can we still not translate preclinical research to clinical treatments for acute strokes? Despite > 1000 successful preclinical studies, drugs, and concepts for acute stroke, only two have reached clinical translation. This is the translational block. Yet, we continue to routinely model strokes using almost the same concepts we have used for over 30 years. Methodological improvements and criteria from the last decade have shed some light but have not solved the problem. In this conceptual analysis, we review the current status and reappraise it by thinking "out-of-the-box" and over the edges. As such, we query why other scientific fields have also faced the same translational failures, to find common denominators. In parallel, we query how migraine, multiple sclerosis, and hypothermia in hypoxic encephalopathy have achieved significant translation successes. Should we view ischemic stroke as a "chronic, relapsing, vascular" disease, then secondary prevention strategies are also a successful translation. Finally, based on the lessons learned, we propose how stroke should be modeled, and how preclinical and clinical scientists, editors, grant reviewers, and industry should reconsider their routine way of conducting research. Translational success for stroke treatments may eventually require a bold change with solutions that are outside of the box.
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Affiliation(s)
- Athanasios Lourbopoulos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Department of Neurointensive Care Unit, Schoen Klinik Bad Aibling, Bad Aibling, Germany
- Institute for Stroke and Dementia Research, Klinikum der Universität München, Ludwig Maximilian University, Munich, Germany
| | - Iordanis Mourouzis
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Christodoulos Xinaris
- IRCCS – Istituto di Ricerche Farmacologiche ‘Mario Negri’, Centro Anna Maria Astori, Bergamo, Italy
- University of Nicosia Medical School, Nicosia, Cyprus
| | - Nefeli Zerva
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Filippakis
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Angelos Pavlopoulos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Constantinos Pantos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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53
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Reindl M, Lechner I, Tiller C, Holzknecht M, Rangger A, Mayr A, Theurl M, Klug G, Brenner C, Bauer A, Metzler B, Reinstadler SJ. Glycemic Status and Reperfusion Injury in Patients With ST-Segment Elevation Myocardial Infarction. JACC Cardiovasc Imaging 2021; 14:1875-1877. [PMID: 34023265 DOI: 10.1016/j.jcmg.2021.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 11/16/2022]
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54
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Ferré-Vallverdú M, Sánchez-Lacuesta E, Plaza-López D, Díez-Gil JL, Sepúlveda-Sanchis P, Gil-Cayuela C, Maceira-Gonzalez A, Miró-Palau V, Montero-Argudo A, Martínez-Dolz L, Igual-Muñoz B. Prognostic value and clinical predictors of intramyocardial hemorrhage measured by CMR T2* sequences in STEMI. Int J Cardiovasc Imaging 2021; 37:1735-1744. [PMID: 33442854 DOI: 10.1007/s10554-020-02142-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 12/21/2020] [Indexed: 12/24/2022]
Abstract
Recent studies show that microvascular injury consists of microvascular obstruction (MVO) and intramyocardial hemorrhage (IMH). In patients with reperfused ST-segment elevation myocardial infarction (STEMI) quantitative assessment of IMH with T2* cardiovascular magnetic resonance imaging (CMR) appears to be useful in evaluation of microvascular damage. The current study aimed to investigate feasibility of this approach and to correlate IMH with clinical and CMR parameters. A single center observational cohort study was performed in reperfused STEMI patients with CMR examination 7 days (IQR: 5 to 8 days) after percutaneous coronary intervention. Infarct size (IS) and MVO were evaluated in short-axis late gadolinium enhancement sequences and IMH with whole LV volume T2* mapping sequences. Of the 94 patients, MVO was identified in 52% of patients and the median size of MVO was 3% of LV mass (IQR: 1.5 to 5.4%). IMH was present in 28% of patients and the median size of IMH was 1.1% of LV mass (IQR: 0.5 to 2.9%). IMH extent was independently associated with anterior myocardial infarction (p = 0.022) and thrombectomy (p = 0.049). IMH was correlated with MVO (R = 0.62, p < 0.001), necrosis (R = 0.58, p < 0.001) and LVEF (R = -0.21, p = 0.04). Patients with IMH presented higher incidence of MACE events, independently of LVEF (p = 0.022). T2* mapping is a novel imaging approach that proves useful to asses IMH in the setting of reperfused STEMI. T2* IMH extent was associated with anterior infarction and thrombectomy. T2* IMH was associated with higher incidence of MACE events regardless preserved or reduced LVEF.
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Affiliation(s)
- Maria Ferré-Vallverdú
- Department of Cardiology, Hospital Universitari I Politècnic La Fe, Valencia, Spain. .,Hospital Universitari Sant Joan de Reus, Avinguda del Doctor Josep Laporte, 2, 43204, Reus, Tarragona, Spain.
| | | | - Diego Plaza-López
- Department of Cardiology, Hospital Universitari I Politècnic La Fe, Valencia, Spain
| | - José Luis Díez-Gil
- Department of Cardiology, Hospital Universitari I Politècnic La Fe, Valencia, Spain
| | | | | | | | - Vicente Miró-Palau
- Department of Cardiology, Hospital Universitari I Politècnic La Fe, Valencia, Spain
| | | | - Luis Martínez-Dolz
- Department of Cardiology, Hospital Universitari I Politècnic La Fe, Valencia, Spain
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55
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Jenča D, Melenovský V, Stehlik J, Staněk V, Kettner J, Kautzner J, Adámková V, Wohlfahrt P. Heart failure after myocardial infarction: incidence and predictors. ESC Heart Fail 2020; 8:222-237. [PMID: 33319509 PMCID: PMC7835562 DOI: 10.1002/ehf2.13144] [Citation(s) in RCA: 250] [Impact Index Per Article: 62.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/14/2020] [Accepted: 11/15/2020] [Indexed: 12/11/2022] Open
Abstract
Aims The aim of the present paper was to provide an up‐to‐date view on epidemiology and risk factors of heart failure (HF) development after myocardial infarction. Methods and results Based on literature review, several clinical risk factors and biochemical, genetic, and imaging biomarkers were identified to predict the risk of HF development after myocardial infarction. Conclusions Heart failure is still a frequent complication of myocardial infarction. Timely identification of subjects at risk for HF development using a multimodality approach, and early initiation of guideline‐directed HF therapy in these patients, can decrease the HF burden.
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Affiliation(s)
- Dominik Jenča
- Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.,Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Vojtěch Melenovský
- Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Josef Stehlik
- Division of Cardiovascular Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Vladimír Staněk
- Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Jiří Kettner
- Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Josef Kautzner
- Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.,Faculty of Medicine, Dentistry of the Palacký University, Olomouc, Czech Republic
| | - Věra Adámková
- Department of Preventive Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Peter Wohlfahrt
- Third Faculty of Medicine, Charles University, Prague, Czech Republic.,Division of Cardiovascular Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA.,Department of Preventive Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic.,Centre for Cardiovascular Prevention, First Faculty of Medicine and Thomayer Hospital, Charles University, Videnska 800, Prague 4, 140 59, Czech Republic
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56
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Abstract
Ischemic heart disease is the most common cause of cardiovascular morbidity and mortality. Cardiac magnetic resonance (CMR) improves on other noninvasive modalities in detection, assessment, and prognostication of ischemic heart disease. The incorporation of CMR in clinical trials allows for smaller patient samples without the sacrifice of power needed to demonstrate clinical efficacy. CMR can accurately quantify infarct acuity, size, and complications; guide therapy; and prognosticate recovery. Timing of revascularization remains the holy grail of ischemic heart disease, and viability assessment using CMR may be the missing link needed to help reduce morbidity and mortality associated with the disease.
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Affiliation(s)
- Aneesh S Dhore-Patil
- Tulane University Heart and Vascular Center, Tulane University, 1415 Tulane Avenue, New Orleans, LA 70112, USA
| | - Ashish Aneja
- Department of Cardiovascular Diseases, Case Western Reserve University, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109, USA.
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57
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Wu X, Reboll MR, Korf-Klingebiel M, Wollert KC. Angiogenesis after acute myocardial infarction. Cardiovasc Res 2020; 117:1257-1273. [PMID: 33063086 DOI: 10.1093/cvr/cvaa287] [Citation(s) in RCA: 159] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/09/2020] [Accepted: 09/30/2020] [Indexed: 12/16/2022] Open
Abstract
Acute myocardial infarction (MI) inflicts massive injury to the coronary microcirculation leading to vascular disintegration and capillary rarefication in the infarct region. Tissue repair after MI involves a robust angiogenic response that commences in the infarct border zone and extends into the necrotic infarct core. Technological advances in several areas have provided novel mechanistic understanding of postinfarction angiogenesis and how it may be targeted to improve heart function after MI. Cell lineage tracing studies indicate that new capillary structures arise by sprouting angiogenesis from pre-existing endothelial cells (ECs) in the infarct border zone with no meaningful contribution from non-EC sources. Single-cell RNA sequencing shows that ECs in infarcted hearts may be grouped into clusters with distinct gene expression signatures, likely reflecting functionally distinct cell populations. EC-specific multicolour lineage tracing reveals that EC subsets clonally expand after MI. Expanding EC clones may arise from tissue-resident ECs with stem cell characteristics that have been identified in multiple organs including the heart. Tissue repair after MI involves interactions among multiple cell types which occur, to a large extent, through secreted proteins and their cognate receptors. While we are only beginning to understand the full complexity of this intercellular communication, macrophage and fibroblast populations have emerged as major drivers of the angiogenic response after MI. Animal data support the view that the endogenous angiogenic response after MI can be boosted to reduce scarring and adverse left ventricular remodelling. The improved mechanistic understanding of infarct angiogenesis therefore creates multiple therapeutic opportunities. During preclinical development, all proangiogenic strategies should be tested in animal models that replicate both cardiovascular risk factor(s) and the pharmacotherapy typically prescribed to patients with acute MI. Considering that the majority of patients nowadays do well after MI, clinical translation will require careful selection of patients in need of proangiogenic therapies.
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Affiliation(s)
- Xuekun Wu
- Division of Molecular and Translational Cardiology, Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30625, Germany
| | - Marc R Reboll
- Division of Molecular and Translational Cardiology, Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30625, Germany
| | - Mortimer Korf-Klingebiel
- Division of Molecular and Translational Cardiology, Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30625, Germany
| | - Kai C Wollert
- Division of Molecular and Translational Cardiology, Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30625, Germany
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58
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Buffa V, Di Renzi P. CMR in the diagnosis of ischemic heart disease. Radiol Med 2020; 125:1114-1123. [PMID: 32936388 DOI: 10.1007/s11547-020-01278-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 09/03/2020] [Indexed: 12/11/2022]
Abstract
Cardiovascular magnetic resonance has always been more often used in the last 10 years in evaluation of heart disease. Role in diagnosis of ischemia and in evaluation of myocardial infarction is well established by many scientific papers and included in current guidelines. High accuracy in evaluation of stress-induced ischemia, tissue characterization and functional parameters are the pillars the make the method widely used. In this paper are described role and techniques in diagnosis of ischemia, myocardial infarction and its sequelae.
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Affiliation(s)
- Vitaliano Buffa
- Department of Radiology, Azienda Ospedaliera San Camillo Forlanini, Rome, Italy.
| | - Paolo Di Renzi
- Department of Radiology, Ospedale San Giovanni Calibita FBF, Rome, Italy
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59
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Pavon AG, Georgiopoulos G, Vincenti G, Muller O, Monney P, Berchier G, Cirillo C, Eeckhout E, Schwitter J, Masci PG. Head-to-head comparison of multiple cardiovascular magnetic resonance techniques for the detection and quantification of intramyocardial haemorrhage in patients with ST-elevation myocardial infarction. Eur Radiol 2020; 31:1245-1256. [PMID: 32929640 PMCID: PMC7880961 DOI: 10.1007/s00330-020-07254-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/27/2020] [Accepted: 08/31/2020] [Indexed: 11/25/2022]
Abstract
Objectives T2*-weighted (T2*w) is deemed as a reference standard for post-infarction intramyocardial haemorrhage (IMH). However, high proportion of T2* images is affected by off-resonance artefacts hampering image interpretation. Diagnostic accuracy and precision of alternative techniques for IMH diagnosis and quantification have been seldomly investigated. Methods and results Between April 2016 and May 2017, 50 ST-segment elevation myocardial infarction patients (66% male, 57 ± 17 years) and 15 healthy controls (60% male, 58 ± 13) were consecutively enrolled. Subjects underwent head-to-head comparison of single mid-infarct slice acquired on black-blood T2-weighted short-TI-inversion recovery (T2w-STIR), bright-blood T2prep-steady-state-free precession (T2prep-SSFP), and T2/T1 maps for IMH diagnosis and quantification against T2*w. All images were graded for quality (grade 1: very poor; grade 4: excellent) and diagnostic confidence (Likert scale, 1: very unsure and 5: highly confident). Reduced relaxation time/hypointense region (hypocore) embedded in infarct-related oedema on T2 map, T1 map, and T2w-STIR had the best overall diagnostic accuracy (per-subject: 91%, 86%, and 86%, respectively; per segment: 95%, 93%, and 93%, respectively). By mixed-effects analysis, image quality, and diagnostic confidence were higher for T2 map and T1 maps than T2*w (p < 0.05 for both scores). For IMH quantification, hypocore on T2 map and T1 map strongly correlated (Spearman’s r > 0.7, p < 0.001 for both) with IMH extent on T2*w and presented an overall excellent agreement on Bland-Altman analysis. By linear mixed model analysis, absolute hypocore size did not differ among T1-, T2 map, and T2*w. T2/T1 maps had the best intra- and inter-observer reproducibility among CMR techniques. Conclusion Hypocore on T2/T1 map is the best alternative technique to T2*w for diagnosing and quantifying IMH in post-STEMI patients. Key Point • Mapping techniques are the best alternatives for diagnosing post-infarction intramyocardial haemorrhage. • Mapping techniques are valuable tools for imaging intramyocardial haemorrhage. Electronic supplementary material The online version of this article (10.1007/s00330-020-07254-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anna Giulia Pavon
- Centre of Cardiac Magnetic Resonance - Lausanne University Hospital, Lausanne, Switzerland
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
- Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Georgios Georgiopoulos
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, Westminster Bridge Road, London, SE1 7EH, UK.
| | - Gabriella Vincenti
- Centre of Cardiac Magnetic Resonance - Lausanne University Hospital, Lausanne, Switzerland
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
| | - Olivier Muller
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
| | - Pierre Monney
- Centre of Cardiac Magnetic Resonance - Lausanne University Hospital, Lausanne, Switzerland
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
- Faculty Biology and Medicine, Lausanne University, Lausanne, Switzerland
| | - Gregoire Berchier
- Radiology Department, Lausanne University Hospital, Lausanne, Switzerland
| | - Chiara Cirillo
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, Westminster Bridge Road, London, SE1 7EH, UK
| | - Eric Eeckhout
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
| | - Juerg Schwitter
- Centre of Cardiac Magnetic Resonance - Lausanne University Hospital, Lausanne, Switzerland
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
- Faculty Biology and Medicine, Lausanne University, Lausanne, Switzerland
| | - Pier Giorgio Masci
- Centre of Cardiac Magnetic Resonance - Lausanne University Hospital, Lausanne, Switzerland
- Cardiology Division, Heart & Vessels Department, Lausanne University Hospital, Lausanne, Switzerland
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, Westminster Bridge Road, London, SE1 7EH, UK
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60
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Stiermaier T, Backhaus SJ, Matz J, Koschalka A, Kowallick J, de Waha-Thiele S, Desch S, Gutberlet M, Hasenfuß G, Thiele H, Eitel I, Schuster A. Frequency and prognostic impact of right ventricular involvement in acute myocardial infarction. Heart 2020; 107:heartjnl-2020-317184. [PMID: 32878921 DOI: 10.1136/heartjnl-2020-317184] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 01/14/2023] Open
Abstract
OBJECTIVE Right ventricular (RV) involvement complicating myocardial infarction (MI) is thought to impact prognosis, but potent RV markers for risk stratification are lacking. Therefore, the aim of this trial was to assess the frequency and prognostic implications of concomitant structural and functional RV injury in MI. METHODS Cardiac magnetic resonance (CMR) was performed in 1235 patients with MI (ST-elevation myocardial infarction: n=795; non-STEMI: n=440) 3 days after reperfusion by primary percutaneous coronary intervention. Central core laboratory-masked analyses included structural (oedema representing reversible ischaemia, irreversible infarction, microvascular obstruction (MVO)) and functional (ejection fraction, global longitudinal strain (GLS)) RV alterations. The clinical end point was the 12-month rate of major adverse cardiac events (MACE). RESULTS RV ischaemia and infarction were observed in 19.6% and 12.1% of patients, respectively, suggesting complete myocardial salvage in one-third of patients. RV ischaemia was associated with a significantly increased risk of MACE (10.1% vs 6.2%; p=0.035), while patients with RV infarction showed only numerically increased event rates (p=0.075). RV MVO was observed in 2.4% and not linked to outcome (p=0.894). Stratification according to median RV GLS (10.2% vs 3.8%; p<0.001) but not RV ejection fraction (p=0.175) resulted in elevated MACE rates. Multivariable analysis including clinical and left ventricular MI characteristics identified RV GLS as an independent predictor of outcome (HR 1.05, 95% CI 1.00 to 1.09; p=0.034) in addition to age (p=0.001), Killip class (p=0.020) and left ventricular GLS (p=0.001), while RV ischaemia was not independently associated with outcome. CONCLUSIONS RV GLS is a predictor of postinfarction adverse events over and above established risk factors, while structural RV involvement was not independently associated with outcome.
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Affiliation(s)
- Thomas Stiermaier
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Hospital Schleswig-Holstein, University Heart Center Lübeck, Lübeck, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Sören J Backhaus
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Jonas Matz
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Alexander Koschalka
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Johannes Kowallick
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
- Institute for Diagnostic and Interventional Radiology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
| | - Suzanne de Waha-Thiele
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Hospital Schleswig-Holstein, University Heart Center Lübeck, Lübeck, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Steffen Desch
- Department of Internal Medicine/Cardiology and Leipzig Heart Institute, Heart Center Leipzig at University of Leipzig, Leipzig, Germany
| | - Matthias Gutberlet
- Department of Radiology, Heart Center Leipzig at University of Leipzig, Leipzig, Germany
| | - Gerd Hasenfuß
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
| | - Holger Thiele
- Department of Internal Medicine/Cardiology and Leipzig Heart Institute, Heart Center Leipzig at University of Leipzig, Leipzig, Germany
| | - Ingo Eitel
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Hospital Schleswig-Holstein, University Heart Center Lübeck, Lübeck, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Andreas Schuster
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Georg-August University, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Partner site Göttingen, Göttingen, Germany
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61
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Reindl M, Tiller C, Holzknecht M, Lechner I, Henninger B, Mayr A, Brenner C, Klug G, Bauer A, Metzler B, Reinstadler SJ. Association of Myocardial Injury With Serum Procalcitonin Levels in Patients With ST-Elevation Myocardial Infarction. JAMA Netw Open 2020; 3:e207030. [PMID: 32539151 PMCID: PMC7296390 DOI: 10.1001/jamanetworkopen.2020.7030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
IMPORTANCE Myocardial tissue injury due to acute ST-elevation myocardial infarction (STEMI) initiates an inflammatory response that leads to a release of systemic inflammatory biomarkers, including C-reactive protein (CRP) and white blood cells, consequently reducing the usefulness of these routine biomarkers for identifying concomitant infections. The clinical role of procalcitonin (PCT), a promising marker of bacterial infection, to detect concomitant infection in acute STEMI is unknown, mainly because it is unclear whether myocardial injury per se induces systemic PCT release. OBJECTIVE To investigate the release of serum PCT in the acute setting of STEMI (24 and 48 hours after primary percutaneous coronary intervention) and to elucidate any associations with myocardial injury markers through a comprehensive assessment by cardiac magnetic resonance (CMR) imaging. DESIGN, SETTING, AND PARTICIPANTS This prospective cohort study conducted between 2016 and 2018 included 141 consecutive patients with STEMI treated with primary percutaneous coronary intervention. Concentrations of PCT, high-sensitivity CRP (hs-CRP), and high-sensitivity cardiac troponin T (hs-cTnT) and white blood cell counts were measured serially 24 and 48 hours after infarct. EXPOSURES Acute STEMI and primary percutaneous coronary intervention. MAIN OUTCOMES AND MEASURES The association of PCT and typical inflammatory marker levels with CMR-determined myocardial damage was assessed. Infarct size, extent of microvascular obstruction, and occurrence of intramyocardial hemorrhage as determined by CMR within the first week following STEMI were also evaluated. RESULTS In total, 141 patients with STEMI (117 men [83%]) having a median age of 56 years (interquartile range, 50-66 years) were included. The median PCT concentration was 0.07 μg/L (interquartile range, <0.06-0.11 μg/L) 24 hours after intervention and 0.07 μg/L (interquartile range, <0.06-0.09 μg/L) 48 hours after intervention. Whereas hs-CRP and hs-cTnT levels and white blood cell counts were significantly correlated with CMR markers of myocardial damage at both 24 and 48 hours after intervention, the PCT level showed no significant correlation with infarct size (at 24 hours: r = 0.07; P = .40; at 48 hours: r = 0.13; P = .12) or with microvascular obstruction (at 24 hours: r = -0.03; P = .75; at 48 hours: r = 0.09; P = .30). Furthermore, PCT levels at 24 hours (odds ratio, 1.25; 95% CI, 0.63-2.48; P = .52) and 48 hours (odds ratio, 1.56; 95% CI, 0.72-3.41; P = .26) were not significantly associated with the presence of intramyocardial hemorrhage. CONCLUSIONS AND RELEVANCE In the acute phase after percutaneous coronary intervention for STEMI, circulating PCT levels remained unassociated with the extent of myocardial and microvascular tissue damage as visualized by CMR imaging.
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Affiliation(s)
- Martin Reindl
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Christina Tiller
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Magdalena Holzknecht
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Ivan Lechner
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Benjamin Henninger
- University Clinic of Radiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Agnes Mayr
- University Clinic of Radiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Christoph Brenner
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Gert Klug
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Axel Bauer
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Bernhard Metzler
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
| | - Sebastian J. Reinstadler
- Cardiology and Angiology, University Clinic of Internal Medicine III, Medical University of Innsbruck, Innsbruck, Austria
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Reindl M, Eitel I, Reinstadler SJ. Role of Cardiac Magnetic Resonance to Improve Risk Prediction Following Acute ST-Elevation Myocardial Infarction. J Clin Med 2020; 9:E1041. [PMID: 32272692 PMCID: PMC7231095 DOI: 10.3390/jcm9041041] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiac magnetic resonance (CMR) imaging allows comprehensive assessment of myocardial function and tissue characterization in a single examination after acute ST-elevation myocardial infarction. Markers of myocardial infarct severity determined by CMR imaging, especially infarct size and microvascular obstruction, strongly predict recurrent cardiovascular events and mortality. The prognostic information provided by a comprehensive CMR analysis is incremental to conventional risk factors including left ventricular ejection fraction. As such, CMR parameters of myocardial tissue damage are increasingly recognized for optimized risk stratification to further ameliorate the burden of recurrent cardiovascular events in this population. In this review, we provide an overview of the current impact of CMR imaging on optimized risk assessment soon after acute ST-elevation myocardial infarction.
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Affiliation(s)
- Martin Reindl
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria;
| | - Ingo Eitel
- University Heart Center Lübeck, Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany;
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, D-23538 Lübeck, Germany
| | - Sebastian Johannes Reinstadler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstraße 35, A-6020 Innsbruck, Austria;
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63
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McCartney PJ, Maznyczka AM, Eteiba H, McEntegart M, Oldroyd KG, Greenwood JP, Maredia N, Schmitt M, McCann GP, Fairbairn T, McAlindon E, Tait C, Welsh P, Sattar N, Orchard V, Corcoran D, Ford TJ, Radjenovic A, Ford I, McConnachie A, Berry C. Low-Dose Alteplase During Primary Percutaneous Coronary Intervention According to Ischemic Time. J Am Coll Cardiol 2020; 75:1406-1421. [PMID: 32216909 PMCID: PMC7109518 DOI: 10.1016/j.jacc.2020.01.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/08/2020] [Accepted: 01/13/2020] [Indexed: 01/10/2023]
Abstract
BACKGROUND Microvascular obstruction affects one-half of patients with ST-segment elevation myocardial infarction and confers an adverse prognosis. OBJECTIVES This study aimed to determine whether the efficacy and safety of a therapeutic strategy involving low-dose intracoronary alteplase infused early after coronary reperfusion associates with ischemic time. METHODS This study was conducted in a prospective, multicenter, parallel group, 1:1:1 randomized, dose-ranging trial in patients undergoing primary percutaneous coronary intervention. Ischemic time, defined as the time from symptom onset to coronary reperfusion, was a pre-specified subgroup of interest. Between March 17, 2016, and December 21, 2017, 440 patients, presenting with ST-segment elevation myocardial infarction within 6 h of symptom onset (<2 h, n = 107; ≥2 h but <4 h, n = 235; ≥4 h to 6 h, n = 98), were enrolled at 11 U.K. hospitals. Participants were randomly assigned to treatment with placebo (n = 151), alteplase 10 mg (n = 144), or alteplase 20 mg (n = 145). The primary outcome was the amount of microvascular obstruction (MVO) (percentage of left ventricular mass) quantified by cardiac magnetic resonance imaging at 2 to 7 days (available for 396 of 440). RESULTS Overall, there was no association between alteplase dose and the extent of MVO (p for trend = 0.128). However, in patients with an ischemic time ≥4 to 6 h, alteplase increased the mean extent of MVO compared with placebo: 1.14% (placebo) versus 3.11% (10 mg) versus 5.20% (20 mg); p = 0.009 for the trend. The interaction between ischemic time and alteplase dose was statistically significant (p = 0.018). CONCLUSION In patients presenting with ST-segment elevation myocardial infarction and an ischemic time ≥4 to 6 h, adjunctive treatment with low-dose intracoronary alteplase during primary percutaneous coronary intervention was associated with increased MVO. Intracoronary alteplase may be harmful for this subgroup. (A Trial of Low-Dose Adjunctive Alteplase During Primary PCI [T-TIME]; NCT02257294).
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Affiliation(s)
- Peter J McCartney
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - Annette M Maznyczka
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - Hany Eteiba
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - Margaret McEntegart
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - Keith G Oldroyd
- West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - John P Greenwood
- Leeds University and Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, United Kingdom
| | - Neil Maredia
- South Tees Hospitals NHS Foundation Trust, Middlesbrough, United Kingdom
| | - Matthias Schmitt
- Manchester University NHS Foundation Trust, Manchester, United Kingdom
| | - Gerry P McCann
- University of Leicester and the National Institute for Health Research Leicester Biomedical Research Center, Leicester, United Kingdom
| | - Timothy Fairbairn
- Liverpool Heart and Chest Hospital NHS Foundation Trust, Liverpool, United Kingdom
| | - Elisa McAlindon
- New Cross Hospital, Royal Wolverhampton NHS Trust, Wolverhampton, United Kingdom
| | - Campbell Tait
- Department of Hematology, Royal Infirmary, Glasgow, United Kingdom
| | - Paul Welsh
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom
| | - Naveed Sattar
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom
| | - Vanessa Orchard
- West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom
| | - David Corcoran
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom
| | - Thomas J Ford
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; Department of Cardiology, Gosford Hospital, Gosford, New South Wales, Australia
| | - Aleksandra Radjenovic
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom
| | - Ian Ford
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, United Kingdom
| | - Alex McConnachie
- Robertson Centre for Biostatistics, Institute of Health and Wellbeing, University of Glasgow, Glasgow, United Kingdom
| | - Colin Berry
- British Heart Foundation Glasgow Cardiovascular Research Center, University of Glasgow, Glasgow, United Kingdom; West of Scotland Heart and Lung Center, Golden Jubilee National Hospital, Clydebank, United Kingdom.
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Reindl M, Holzknecht M, Tiller C, Lechner I, Schiestl M, Simma F, Pamminger M, Henninger B, Mayr A, Klug G, Bauer A, Metzler B, Reinstadler SJ. Impact of infarct location and size on clinical outcome after ST-elevation myocardial infarction treated by primary percutaneous coronary intervention. Int J Cardiol 2020; 301:14-20. [DOI: 10.1016/j.ijcard.2019.11.123] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/01/2019] [Accepted: 11/15/2019] [Indexed: 11/30/2022]
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Reindl M, Tiller C, Holzknecht M, Lechner I, Beck A, Plappert D, Gorzala M, Pamminger M, Mayr A, Klug G, Bauer A, Metzler B, Reinstadler SJ. Prognostic Implications of Global Longitudinal Strain by Feature-Tracking Cardiac Magnetic Resonance in ST-Elevation Myocardial Infarction. Circ Cardiovasc Imaging 2019; 12:e009404. [DOI: 10.1161/circimaging.119.009404] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background:
The high accuracy of feature-tracking cardiac magnetic resonance (CMR) imaging qualifies this novel modality as potential gold standard for myocardial strain analyses in ST-elevation myocardial infarction patients; however, the incremental prognostic validity of feature-tracking-CMR over left ventricular ejection fraction (LVEF) and myocardial damage remains unclear. This study therefore aimed to determine the value of myocardial strain measured by feature-tracking-CMR for the prediction of clinical outcome following ST-elevation myocardial infarction.
Methods:
This prospective observational study enrolled 451 revascularized ST-elevation myocardial infarction patients. Comprehensive CMR investigations were performed 3 (interquartile range, 2–4) days after infarction to determine LVEF, global longitudinal strain (GLS), global radial strain, and global circumferential strain as well as myocardial damage. Primary end point was a composite of death, re-infarction, and congestive heart failure (major adverse cardiac events [MACE]).
Results:
During a follow-up of 24 (interquartile range, 11–48) months, 46 patients (10%) experienced a MACE event. All 3 strain indices were impaired in patients with MACE (all
P
<0.001). However, GLS emerged as the strongest MACE prognosticator among strain parameters (area under the curve, 0.73 [95% CI, 0.69–0.77]) and was significantly better (
P
=0.005) than LVEF (area under the curve, 0.64 [95% CI, 0.59–0.68]). The association between GLS and MACE remained significant (
P
<0.001) after adjustment for global radial strain, global circumferential strain, and LVEF as well as for infarct size and microvascular obstruction. The addition of GLS to a risk model comprising LVEF, infarct size, and microvascular obstruction led to a net reclassification improvement (0.35 [95% CI, 0.14–0.55];
P
<0.001).
Conclusions:
GLS by feature-tracking-CMR strongly and independently predicted the occurrence of medium-term MACE in contemporary revascularized ST-elevation myocardial infarction patients. Importantly, the prognostic value of GLS was superior and incremental to LVEF and CMR markers of infarct severity.
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Affiliation(s)
- Martin Reindl
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Christina Tiller
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Magdalena Holzknecht
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Ivan Lechner
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Alexander Beck
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - David Plappert
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Michelle Gorzala
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Mathias Pamminger
- Department of Radiology (M.P., A.M.), Medical University of Innsbruck, Austria
| | - Agnes Mayr
- Department of Radiology (M.P., A.M.), Medical University of Innsbruck, Austria
| | - Gert Klug
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Axel Bauer
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Bernhard Metzler
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
| | - Sebastian J. Reinstadler
- Department of Internal Medicine III, Cardiology and Angiology (M.R., C.T., M.H., I.L., A.B., D.P., M.G., G.K., A.B., B.M., S.J.R.), Medical University of Innsbruck, Austria
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66
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Heusch G. Coronary microvascular obstruction: the new frontier in cardioprotection. Basic Res Cardiol 2019; 114:45. [DOI: 10.1007/s00395-019-0756-8] [Citation(s) in RCA: 173] [Impact Index Per Article: 34.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 12/16/2022]
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Tiller C, Reindl M, Holzknecht M, Innerhofer L, Wagner M, Lechner I, Mayr A, Klug G, Bauer A, Metzler B, Reinstadler SJ. Relationship between admission Q waves and microvascular injury in patients with ST-elevation myocardial infarction treated with primary percutaneous coronary intervention. Int J Cardiol 2019; 297:1-7. [PMID: 31629564 DOI: 10.1016/j.ijcard.2019.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/12/2019] [Accepted: 10/03/2019] [Indexed: 11/18/2022]
Abstract
BACKGROUND Using comprehensive cardiac magnetic resonance (CMR) imaging in patients suffering from ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (pPCI), we sought to investigate the association of admission Q waves with microvascular injury (microvascular obstruction (MVO) and intramyocardial haemorrhage (IMH)). METHODS This prospective observational study included 195 STEMI patients treated with pPCI. Admission 12-lead electrocardiography was evaluated for the presence of pathological Q waves, defined as a Q wave duration of >30 ms and a depth of >0.1 mV. CMR was performed at 3 (interquartile range: 2-5) days after pPCI to determine infarct characteristics including MVO (late gadolinium enhancement) and IMH (T2* mapping). RESULTS Admission Q waves were observed in 53% of patients (n = 104). These patients had a significantly lower BMI (p = 0.005), more frequent left anterior descending artery as culprit lesion (p = 0.005), were less frequent smokers (p = 0.048) and had higher rates of pre-interventional TIMI flow 0 (p = 0.018). Patients with Q waves showed a significantly larger infarct size (19%vs.12% of left ventricular mass,p < 0.001), lower ejection fraction (49%vs.54%,p = 0.001), worse global strain parameters (all p < 0.005) and more severe microvascular injury (MVO: 68%vs.34%,p < 0.001; IMH: 40%vs.20%,p = 0.002). Q waves remained associated with both MVO (odds ratio: 5.23, 95% confidence interval: 2.58 to 10.58,p < 0.001) and IMH (odds ratio: 3.94, 95% confidence interval: 1.83 to 8.46,p < 0.001) after adjusting for potential confounders (culprit lesion, pre-interventional TIMI flow 0, total ischemia time, ST-segment elevation). CONCLUSIONS Admission Q waves, derived from the readily available ECG, emerged as independent early markers of CMR-determined microvascular injury in STEMI patients undergoing pPCI.
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Affiliation(s)
- Christina Tiller
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Martin Reindl
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Magdalena Holzknecht
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Lukas Innerhofer
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Miriam Wagner
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Ivan Lechner
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Agnes Mayr
- University Clinic of Radiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Gert Klug
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Axel Bauer
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Bernhard Metzler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria
| | - Sebastian Johannes Reinstadler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020, Innsbruck, Austria.
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Stiermaier T, Backhaus SJ, Lange T, Koschalka A, Navarra JL, Boom P, Lamata P, Kowallick JT, Lotz J, Gutberlet M, de Waha-Thiele S, Desch S, Hasenfuß G, Thiele H, Eitel I, Schuster A. Cardiac Magnetic Resonance Left Ventricular Mechanical Uniformity Alterations for Risk Assessment After Acute Myocardial Infarction. J Am Heart Assoc 2019; 8:e011576. [PMID: 31387432 PMCID: PMC6759895 DOI: 10.1161/jaha.118.011576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Despite limitations as a stand-alone parameter, left ventricular (LV) ejection fraction is the preferred measure of myocardial function and marker for postinfarction risk stratification. LV myocardial uniformity alterations may provide superior prognostic information after acute myocardial infarction, which was the subject of this study. Methods and Results Consecutive patients with acute myocardial infarction (n=1082; median age: 63 years; 75% male) undergoing cardiac magnetic resonance at a median of 3 days after infarction were included in this multicenter observational study. Circumferential and radial uniformity ratio estimates were derived from cardiac magnetic resonance feature tracking as markers of mechanical uniformity alterations (values between 0 and 1 with 1 reflecting perfect uniformity). The clinical end point was the 12-month rate of major adverse cardiac events, consisting of all-cause death, reinfarction, and new congestive heart failure. Patients with major adverse cardiac events (n=73) had significantly impaired circumferential uniformity ratio estimates (0.76 [interquartile range: 0.67-0.86] versus 0.84 [interquartile range: 0.76-0.89]; P<0.001) and radial uniformity ratio estimates (0.69 [interquartile range: 0.60-0.79] versus 0.76 [interquartile range: 0.67-0.83]; P<0.001) compared with patients without events. Although uniformity estimates did not provide independent prognostic information in the overall cohort, a circumferential uniformity ratio estimate below the median of 0.84 emerged as an independent predictor of outcome in postinfarction patients with LV ejection fraction >35% (n=959), even after adjustment for established risk factors (hazard ratio: 1.99; 95% CI, 1.06-3.74; P=0.033 in multivariable Cox regression analysis). In contrast, LV ejection fraction was not associated with adverse events in this subgroup of patients with acute myocardial infarction. Conclusions Cardiac magnetic resonance-derived estimates of mechanical uniformity alterations are novel markers for risk assessment after acute myocardial infarction, and the circumferential uniformity ratio estimate provides independent prognostic information for patients with preserved or only moderately reduced LV ejection fraction.
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Affiliation(s)
- Thomas Stiermaier
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) University Heart Center Lübeck University Hospital Schleswig-Holstein Lübeck Germany.,German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck Lübeck Germany
| | - Sören J Backhaus
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Torben Lange
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Alexander Koschalka
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Jenny-Lou Navarra
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Patricia Boom
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Pablo Lamata
- Department of Biomedical Engineering School of Biomedical Engineering and Imaging Sciences King's College of London London United Kingdom
| | - Johannes T Kowallick
- German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany.,Institute for Diagnostic and Interventional Radiology University Medical Center Göttingen Georg-August University Göttingen Germany
| | - Joachim Lotz
- German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany.,Institute for Diagnostic and Interventional Radiology University Medical Center Göttingen Georg-August University Göttingen Germany
| | - Matthias Gutberlet
- Department of Radiology Heart Center Leipzig at University of Leipzig Germany
| | - Suzanne de Waha-Thiele
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) University Heart Center Lübeck University Hospital Schleswig-Holstein Lübeck Germany.,German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck Lübeck Germany
| | - Steffen Desch
- Department of Internal Medicine/Cardiology Heart Center Leipzig at University of Leipzig Germany
| | - Gerd Hasenfuß
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany
| | - Holger Thiele
- Department of Internal Medicine/Cardiology Heart Center Leipzig at University of Leipzig Germany
| | - Ingo Eitel
- Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) University Heart Center Lübeck University Hospital Schleswig-Holstein Lübeck Germany.,German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck Lübeck Germany
| | - Andreas Schuster
- Department of Cardiology and Pneumology University Medical Center Göttingen Georg-August University Göttingen Germany.,German Center for Cardiovascular Research (DZHK), partner site Göttingen Göttingen Germany.,Department of Biomedical Engineering School of Biomedical Engineering and Imaging Sciences King's College of London London United Kingdom.,Department of Cardiology Royal North Shore Hospital The Kolling Institute Northern Clinical School University of Sydney Australia
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69
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Niccoli G, Montone RA, Ibanez B, Thiele H, Crea F, Heusch G, Bulluck H, Hausenloy DJ, Berry C, Stiermaier T, Camici PG, Eitel I. Optimized Treatment of ST-Elevation Myocardial Infarction. Circ Res 2019; 125:245-258. [PMID: 31268854 DOI: 10.1161/circresaha.119.315344] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Primary percutaneous coronary intervention is nowadays the preferred reperfusion strategy for patients with acute ST-segment-elevation myocardial infarction, aiming at restoring epicardial infarct-related artery patency and achieving microvascular reperfusion as early as possible, thus limiting the extent of irreversibly injured myocardium. Yet, in a sizeable proportion of patients, primary percutaneous coronary intervention does not achieve effective myocardial reperfusion due to the occurrence of coronary microvascular obstruction (MVO). The amount of infarcted myocardium, the so-called infarct size, has long been known to be an independent predictor for major adverse cardiovascular events and adverse left ventricular remodeling after myocardial infarction. Previous cardioprotection studies were mainly aimed at protecting cardiomyocytes and reducing infarct size. However, several clinical and preclinical studies have reported that the presence and extent of MVO represent another important independent predictor of adverse left ventricular remodeling, and recent evidences support the notion that MVO may be more predictive of major adverse cardiovascular events than infarct size itself. Although timely and complete reperfusion is the most effective way of limiting myocardial injury and subsequent ventricular remodeling, the translation of effective therapeutic strategies into improved clinical outcomes has been largely disappointing. Of importance, despite the presence of a large number of studies focused on infarct size, only few cardioprotection studies addressed MVO as a therapeutic target. In this review, we provide a detailed summary of MVO including underlying causes, diagnostic techniques, and current therapeutic approaches. Furthermore, we discuss the hypothesis that simultaneously addressing infarct size and MVO may help to translate cardioprotective strategies into improved clinical outcome following ST-segment-elevation myocardial infarction.
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Affiliation(s)
- Giampaolo Niccoli
- From the Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy (G.N., R.A.M., F.C.).,Institute of Cardiology, Catholic University of the Sacred Heart, Rome, Italy (G.N., F.C.)
| | - Rocco A Montone
- From the Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy (G.N., R.A.M., F.C.)
| | - Borja Ibanez
- Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (B.I.).,Cardiology Department, IIS-Fundación Jiménez Díaz University Hospital, Madrid, Spain(B.I.).,CIBER de enfermedades CardioVasculares (CIBERCV), Madrid, Spain (B.I.)
| | - Holger Thiele
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig and Leipzig Heart Institute, Germany (H.T.)
| | - Filippo Crea
- From the Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy (G.N., R.A.M., F.C.).,Institute of Cardiology, Catholic University of the Sacred Heart, Rome, Italy (G.N., F.C.)
| | - Gerd Heusch
- Institute for Pathophysiology, West German Heart and Vascular Center, University of Essen Medical School, Germany (G.H.)
| | - Heerajnarain Bulluck
- The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, United Kingdom (H.B., D.J.H.)
| | - Derek J Hausenloy
- The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, University College London, United Kingdom (H.B., D.J.H.).,Cardiovascular & Metabolic Disorders Program, Duke-National University of Singapore Medical School (D.J.H.).,National Heart Research Institute Singapore, National Heart Centre (D.J.H.).,Yong Loo Lin School of Medicine, National University Singapore (D.J.H.).,The Hatter Cardiovascular Institute, University College London, United Kingdom (D.J.H.).,The National Institute of Health Research University College London Hospitals Biomedical Research Centre, Research and Development, United Kingdom (D.J.H.).,Department of Cardiology, Tecnologico de Monterrey, Centro de Biotecnologia-FEMSA, Nuevo Leon, Mexico (D.J.H.)
| | - Colin Berry
- West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, United Kingdom (C.B.).,British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom (C.B.)
| | - Thomas Stiermaier
- University Heart Center Lübeck, Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) and German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck, Germany (T.S., I.E.)
| | - Paolo G Camici
- Vita-Salute University and San Raffaele Hospital, Milan, Italy (P.G.C.)
| | - Ingo Eitel
- University Heart Center Lübeck, Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine) and German Center for Cardiovascular Research (DZHK), partner site Hamburg/Kiel/Lübeck, Germany (T.S., I.E.)
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70
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Feistritzer HJ, Nanos M, Eitel I, Jobs A, de Waha-Thiele S, Meyer-Saraei R, Freund A, Stiermaier T, Abdel-Wahab M, Lurz P, Reinstadler SJ, Reindl M, Klug G, Metzler B, Desch S, Thiele H. Determinants and prognostic value of cardiac magnetic resonance imaging-derived infarct characteristics in non-ST-elevation myocardial infarction. Eur Heart J Cardiovasc Imaging 2019; 21:67-76. [DOI: 10.1093/ehjci/jez165] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/04/2019] [Accepted: 05/30/2019] [Indexed: 02/01/2023] Open
Abstract
Abstract
Aims
The prognostic significance of cardiac magnetic resonance (CMR)-derived infarct characteristics has been demonstrated in ST-elevation myocardial infarction (STEMI) cohorts but is undefined in non-ST-elevation myocardial infarction (NSTEMI) patients. We aimed to investigate determinants and the long-term prognostic impact of CMR imaging-derived infarct characteristics in patients with NSTEMI.
Methods and results
Infarct size (IS), myocardial salvage index (MSI), and microvascular obstruction were assessed using CMR imaging in 284 NSTEMI patients undergoing percutaneous coronary intervention (PCI) in three centres. CMR imaging was performed 3 [interquartile range (IQR) 2–4] days after admission. The primary clinical endpoint was defined as major adverse cardiac events during median follow-up of 4.4 (IQR 3.6–4.9) years. Median IS was 7.2% (IQR 2.2–13.7) of left ventricular (LV) myocardial mass (%LV) and MSI was 65.7 (IQR 39.3–84.9). Age (P ≤ 0.003), heart rate (P ≤ 0.02), the number of diseased coronary arteries (P ≤ 0.01), and Thrombolysis In Myocardial Infarction (TIMI) flow grade before PCI (P < 0.001) were independent predictors of IS and MSI. The primary endpoint occurred in 64 (22.5%) patients. CMR-derived infarct characteristics had no additional prognostic value beyond LV ejection fraction in multivariable analysis.
Conclusion
In this prospective, multicentre NSTEMI cohort reperfused by PCI, age, heart rate, the number of diseased coronary arteries, and TIMI flow grade before PCI were independent predictors of IS and MSI assessed by CMR. However, in contrast to STEMI patients there was no additional long-term prognostic value of CMR-derived infarct characteristics over and above LV ejection fraction.
Clinicaltrials.gov
NCT03516578.
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Affiliation(s)
- Hans-Josef Feistritzer
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Michael Nanos
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Ingo Eitel
- Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D Lübeck, Germany
| | - Alexander Jobs
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
- Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D Lübeck, Germany
| | - Suzanne de Waha-Thiele
- Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D Lübeck, Germany
| | - Roza Meyer-Saraei
- Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D Lübeck, Germany
| | - Anne Freund
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Thomas Stiermaier
- Department of Cardiology, Angiology and Intensive Care Medicine, University Heart Center Lübeck, University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D Lübeck, Germany
| | - Mohamed Abdel-Wahab
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Philipp Lurz
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Sebastian J Reinstadler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A Innsbruck, Austria
| | - Martin Reindl
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A Innsbruck, Austria
| | - Gert Klug
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A Innsbruck, Austria
| | - Bernhard Metzler
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A Innsbruck, Austria
| | - Steffen Desch
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
| | - Holger Thiele
- Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig, Strümpellstr. 39, D Leipzig, Germany
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71
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Impact of smoking on cardiac magnetic resonance infarct characteristics and clinical outcome in patients with non-ST-elevation myocardial infarction. Int J Cardiovasc Imaging 2019; 35:1079-1087. [PMID: 30771036 DOI: 10.1007/s10554-019-01556-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/07/2019] [Indexed: 01/29/2023]
Abstract
Data derived from several studies suggest a better survival in smokers with acute myocardial infarction, a phenomenon referred to as the 'smoker's paradox'. We aimed to investigate the association of smoking with cardiac magnetic resonance (CMR) imaging determined infarct severity and major adverse cardiac events (MACE) defined as the occurrence of death, reinfarction, and congestive heart failure at 12 months in patients with non-ST-elevation myocardial infarction (NSTEMI) reperfused by early percutaneous coronary intervention (PCI). In this multicenter, registry study 311 NSTEMI patients underwent CMR imaging 3 (interquartile range [IQR] 2-4) days after PCI. Myocardial salvage index (MSI), infarct size (IS), and microvascular obstruction (MVO) as well as MACE rate were compared according to admission smoking status. Approximately one-third of patients were current smokers (n = 122, 39%). Smokers were significantly younger and less likely to have hypertension as compared to non-smokers (all p < 0.05). The extent of MSI (63.2, IQR 28.9-85.4 vs. 65.6, IQR 42.2-82.9, p = 0.30), and IS (7.2, IQR 2.3-15.7%LV vs. 7.0, IQR 2.2-12.4%LV, p = 0.27) did not differ significantly between smokers and non-smokers. Despite similar prevalence of MVO, MVO (%LV) was higher in smokers compared to non-smokers (2.0, IQR 0.9-4.7%LV vs. 1.2, IQR 0.7-2.2%LV, p = 0.03). MACE rates at 12 months were comparable in smokers and non-smokers (5.7% vs. 7.4%, p = 0.65). In NSTEMI patients, smoking is neither associated with increased myocardial salvage nor less severe myocardial damage. Clinical outcome at 12 months was similar in smokers and non-smokers.Trial registration NCT03516578.
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