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Madsen JM, Obling LER, Rytoft L, Folke F, Hassager C, Andersen LB, Vejlstrup N, Bang LE, Engstrøm T, Lønborg JT. Pre-hospital pulse glucocorticoid therapy in patients with ST-segment elevation myocardial infarction transferred for primary percutaneous coronary intervention: a randomized controlled trial (PULSE-MI). Trials 2023; 24:808. [PMID: 38102687 PMCID: PMC10724922 DOI: 10.1186/s13063-023-07830-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 11/23/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Inflammation in ST-segment elevation myocardial infarction (STEMI) is an important contributor to both acute myocardial ischemia and reperfusion injury after primary percutaneous coronary intervention (PCI). Methylprednisolone is a glucocorticoid with potent anti-inflammatory properties with an acute effect and is used as an effective and safe treatment of a wide range of acute diseases. The trial aims to investigate the cardioprotective effects of pulse-dose methylprednisolone administered in the pre-hospital setting in patients with STEMI transferred for primary PCI. METHODS This trial is a randomized, blinded, placebo-controlled prospective clinical phase II trial. Inclusion will continue until 378 patients with STEMI have been evaluated for the primary endpoint. Patients will be randomized 1:1 to a bolus of 250 mg methylprednisolone intravenous or matching placebo over a period of 5 min in the pre-hospital setting. All patients with STEMI transferred for primary PCI at Rigshospitalet, Copenhagen University Hospital, Denmark, will be screened for eligibility. The main eligibility criteria are age ≥ 18 years, acute onset of chest pain with < 12 h duration, STEMI on electrocardiogram, no known allergy to glucocorticoids or no previous coronary artery bypass grafting, previous acute myocardial infarction in assumed culprit, or a history with previous maniac/psychotic episodes. Primary outcome is final infarct size measured by late gadolinium enhancement on cardiac magnetic resonance (CMR) 3 months after STEMI. Secondary outcomes comprise key CMR efficacy parameters, clinical endpoints at 3 months, the peak of cardiac biomarkers, and safety. DISCUSSION We hypothesize that pulse-dose methylprednisolone administrated in the pre-hospital setting decreases inflammation and thus reduces final infarct size in patients with STEMI treated with primary PCI. TRIAL REGISTRATION EU-CT number: 2022-500762-10-00; Submitted May 5, 2022. CLINICALTRIALS gov Identifier: NCT05462730; Submitted July 7, 2022, first posted July 18, 2022.
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Affiliation(s)
- Jasmine Melissa Madsen
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
| | | | - Laura Rytoft
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Fredrik Folke
- Copenhagen Emergency Medical Services, Copenhagen, Denmark, and Department of Cardiology, Copenhagen University Hospital Herlev, Copenhagen, Denmark
| | - Christian Hassager
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | - Niels Vejlstrup
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Lia Evi Bang
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Thomas Engstrøm
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jacob Thomsen Lønborg
- Department of Cardiology, The Heart Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
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Zhao CX, Wei L, Dong JX, He J, Kong LC, Ding S, Ge H, Pu J. Nomograms referenced by cardiac magnetic resonance in the prediction of cardiac injuries in patients with ST-elevation myocardial infarction. Int J Cardiol 2023; 385:71-79. [PMID: 37187329 DOI: 10.1016/j.ijcard.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/15/2023] [Accepted: 05/10/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Evaluation of cardiac injuries is essential in patients with ST-elevation myocardial infarction (STEMI). Cardiac magnetic resonance (CMR) has become the gold standard for quantifying cardiac injuries; however, its routine application is limited. A nomogram is a useful tool for prognostic prediction based on the comprehensive utilization of clinical data. We presumed that the nomogram models established using CMR as a reference could precisely predict cardiac injuries. METHODS This analysis included 584 patients with acute STEMI from a CMR registry study for STEMI (NCT03768453). The patients were divided into training (n = 408) and testing (n = 176) datasets. The least absolute shrinkage and selection operator method and multivariate logistic regression were used to construct nomograms for predicting left ventricular ejection fraction (LVEF) ≤40%, infarction size (IS) ≥ 20% on the LV mass, and microvascular dysfunction. RESULTS The nomogram for predicting LVEF≤40%, IS≥20%, and microvascular dysfunction comprised 14, 10, and 15 predictors, respectively. With the nomograms, the individual risk probability of developing specific outcomes could be calculated, and the weight of each risk factor was demonstrated. The C-index of the nomograms in the training dataset were 0.901, 0.831, and 0.814, respectively, and were comparable in the testing set, showing good nomogram discrimination and calibration. The decision curve analysis demonstrated good clinical effectiveness. Online calculators were also constructed. CONCLUSIONS With the CMR results as the reference standard, the established nomograms demonstrated good effectiveness in predicting cardiac injuries after STEMI and could provide physicians with a new option for individual risk stratification.
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Affiliation(s)
- Chen-Xu Zhao
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Lai Wei
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Jian-Xun Dong
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Jie He
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Ling-Cong Kong
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Song Ding
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China
| | - Heng Ge
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China.
| | - Jun Pu
- Department of Cardiology, Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, China.
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Tayae E, Amr E, Zaki A, Elkaffash D. LncRNA HIF1A-AS2: a potential biomarker for early diagnosis of acute myocardial infarction and predictor of left ventricular dysfunction. BMC Cardiovasc Disord 2023; 23:135. [PMID: 36918770 PMCID: PMC10012703 DOI: 10.1186/s12872-023-03164-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND Rapid diagnosis of acute myocardial infarction (AMI) is the subject of many clinical studies as it enables an effective therapy, preventing adverse progression of AMI and increasing survival rates. Recent studies have revealed that specific blood-based long non-coding RNAs (lncRNAs) are deregulated in patients with AMI and serve as promising diagnostic and prognostic tools. The current study aimed to determine the potential role of a hypoxia-responsive lncRNA, hypoxia-inducible factor 1A antisense RNA 2 (HIF1A-AS2), as a biomarker for early diagnosis and predictor of left ventricular dysfunction (LVD). METHODS This study was carried out on 48 patients with AMI and 50 age-and sex-matched controls. The relative quantification of HIF1A-AS2 expression was done using reverse transcription real-time polymerase chain reaction. RESULTS Compared to the control group, HIF1A-AS2 were significantly higher in MI patients (P < 0.001). Interestingly, patients presenting within 3 h of chest pain onset had elevated levels of HIF1A-AS2 as compared to patients with late presentation. The ROC curve was constructed to assess HIF1A-AS2 as an early marker. It demonstrated higher sensitivity (94%) and specificity (86%). Moreover, the multivariate regression analysis revealed that HIF1A-AS2 was significantly associated with LVD in the patient group after 6 months follow up (p = 0.018). CONCLUSION Our study suggests that HIF1A-AS2 may be a potential early diagnostic biomarker of AMI with high sensitivity. In addition, it might have a promising role as a predictor of left ventricular dysfunction.
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Affiliation(s)
- Eman Tayae
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
| | - Eman Amr
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Amr Zaki
- Cardiology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Dalal Elkaffash
- Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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4
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Clinically Acquired High Sensitivity Cardiac Troponin T is a Poor Predictor of Reduced Left Ventricular Ejection Fraction After ST Elevation Myocardial Infarction: A National Cohort Study-ANZACS-QI 65. Heart Lung Circ 2022; 31:1513-1523. [PMID: 36041986 DOI: 10.1016/j.hlc.2022.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 06/27/2022] [Accepted: 07/18/2022] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Cardiac troponins (cTn) have been used historically to estimate infarct size in ST elevation myocardial infarction (STEMI). Within a resource constrained health care environment, cTn could therefore be used for prioritisation of patients for cardiac imaging, in particular echocardiography. We aimed to determine how useful routinely collected cTn would be in predicting significant left ventricular (LV) impairment. METHODS All patients in the All New Zealand Acute Coronary Syndrome Quality Improvement (ANZACS-QI) registry with their first episode of STEMI between January 2013 and November 2018, who had high sensitivity troponin T measured, were included. We excluded patients with no left ventricular ejection fraction (LVEF) assessment, known LV dysfunction, or prior myocardial infarction. RESULTS In total, 3,698 patients were included in the analysis. A higher mean hsTnT (admission and peak) was seen in patients with more severely impaired LV function but there was significant overlap in the range of hsTnT between the different LVEF categories. Cardiac troponins demonstrated poor discriminative ability to either predict or exclude significant LV impairment (LVEF <40%). At an optimal cutpoint of 3,405 ng/L, peak hsTnT had a sensitivity of 56.5% (95% confidence interval [CI] 42-62%), a specificity of 65.3% (95% CI 62-79%) and an area under the receiver operating curve of 0.62 (95% CI 0.60-0.64). CONCLUSION This is the largest study comparing clinically measured troponin levels and LV function in patients presenting with STEMI. A definite, but weak, association was seen between peak troponin and the degree of LV dysfunction, with significant overlap in troponin levels between levels of myocardial dysfunction. Routinely acquired troponin is not suitable for clinical use as a method of prioritising patients for cardiac imaging.
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Stătescu C, Anghel L, Tudurachi BS, Leonte A, Benchea LC, Sascău RA. From Classic to Modern Prognostic Biomarkers in Patients with Acute Myocardial Infarction. Int J Mol Sci 2022; 23:9168. [PMID: 36012430 PMCID: PMC9409468 DOI: 10.3390/ijms23169168] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 11/17/2022] Open
Abstract
Despite all the important advances in its diagnosis and treatment, acute myocardial infarction (AMI) is still one of the most prominent causes of morbidity and mortality worldwide. Early identification of patients at high risk of poor outcomes through the measurement of various biomarker concentrations might contribute to more accurate risk stratification and help to guide more individualized therapeutic strategies, thus improving prognoses. The aim of this article is to provide an overview of the role and applications of cardiac biomarkers in risk stratification and prognostic assessment for patients with myocardial infarction. Although there is no ideal biomarker that can provide prognostic information for risk assessment in patients with AMI, the results obtained in recent years are promising. Several novel biomarkers related to the pathophysiological processes found in patients with myocardial infarction, such as inflammation, neurohormonal activation, myocardial stress, myocardial necrosis, cardiac remodeling and vasoactive processes, have been identified; they may bring additional value for AMI prognosis when included in multi-biomarker strategies. Furthermore, the use of artificial intelligence algorithms for risk stratification and prognostic assessment in these patients may have an extremely important role in improving outcomes.
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Affiliation(s)
- Cristian Stătescu
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
- Internal Medicine Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700503 Iași, Romania
| | - Larisa Anghel
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
- Internal Medicine Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700503 Iași, Romania
| | - Bogdan-Sorin Tudurachi
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
| | - Andreea Leonte
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
| | - Laura-Cătălina Benchea
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
| | - Radu-Andy Sascău
- Cardiology Department, Cardiovascular Diseases Institute “Prof. Dr. George I. M. Georgescu”, 700503 Iași, Romania
- Internal Medicine Department, “Grigore T. Popa” University of Medicine and Pharmacy, 700503 Iași, Romania
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Agarwal R, Aurora RG, Siswanto BB, Muliawan HS. The prognostic value of neutrophil-to-lymphocyte ratio across all stages of coronary artery disease. Coron Artery Dis 2022; 33:137-143. [PMID: 33826535 DOI: 10.1097/mca.0000000000001040] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The natural history of coronary heart disease (CAD) commonly begins with atherosclerosis, progressing to chronic coronary syndrome (CCS), acute coronary syndrome (ACS), and eventually, heart failure. Despite advancements in preventive and therapeutic strategies, there is room for further cardiovascular risk reduction. Recently, inflammation has emerged as a potential therapeutic target. The neutrophil-to-lymphocyte ratio (NLR) is a novel inflammatory biomarker which predicts poor prognosis in several conditions such as metabolic syndrome, sepsis, malignancy and CAD. In atherosclerosis, a high NLR predicts plaque vulnerability and severe stenosis. This is consistent with observations in CCS, where an elevated NLR predicts long-term major adverse cardiac events (MACEs). In ACS patients, high NLR levels are associated with larger infarct sizes and poor long-term outcomes. Possible reasons for this include failure of fibrinolysis, ischemia-reperfusion injury and in-stent restenosis, all of which are associated with raised NLR levels. Following myocardial infarction, an elevated NLR correlates with pathological cardiac remodeling which propagates chronic heart failure. Finally, in heart failure patients, an elevated NLR predicts long-term MACEs, mortality, and poor left ventricular assist device and transplant outcomes. Further studies must evaluate whether the addition of NLR to current risk-stratification models can better identify high-risk CAD patients.
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Affiliation(s)
- Raksheeth Agarwal
- Faculty of Medicine, Universitas Indonesia, Jl. Salemba Raya No.6, Kenari, Kec. Senen, Jakarta Pusat, DKI Jakarta
| | - Ruth G Aurora
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Indonesia/National Cardiovascular Center Harapan Kita, Jl. Let. Jend. S. Parman Kav 87, Jakarta Barat, DKI Jakarta
| | - Bambang B Siswanto
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Indonesia/National Cardiovascular Center Harapan Kita, Jl. Let. Jend. S. Parman Kav 87, Jakarta Barat, DKI Jakarta
| | - Hary S Muliawan
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Indonesia/Rumah Sakit Universitas Indonesia, Jl. Prof Bahder Djohan, Pondok Cina, Beji, Depok, Jawa Barat, Indonesia
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Tiller C, Reindl M, Holzknecht M, Lechner I, Schwaiger J, Brenner C, Mayr A, Klug G, Bauer A, Metzler B, Reinstadler SJ. Association of plasma interleukin-6 with infarct size, reperfusion injury, and adverse remodelling after ST-elevation myocardial infarction. EUROPEAN HEART JOURNAL. ACUTE CARDIOVASCULAR CARE 2022; 11:113-123. [PMID: 34849677 DOI: 10.1093/ehjacc/zuab110] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/19/2021] [Accepted: 11/03/2021] [Indexed: 11/13/2022]
Abstract
AIMS Little is known about the clinical relevance of interleukin (IL)-6 in patients with acute ST-elevation myocardial infarction (STEMI). This study examined the possible associations of plasma IL-6 concentrations with infarct size (IS), reperfusion injury and adverse left ventricular remodelling (LVR), in STEMI patients treated with primary percutaneous coronary intervention (PCI). METHODS AND RESULTS We prospectively included 170 consecutive STEMI patients (median age 57 years, 14% women) treated with primary PCI between 2017 and 2019. Blood samples for biomarker analyses including IL-6 were collected on Day 2. Left ventricular ejection fraction (LVEF), IS, and reperfusion injury [microvascular obstruction (MVO) and intramyocardial haemorrhage (IMH)] were determined using cardiac magnetic resonance (CMR) imaging on Day 4. Left ventricular remodelling was defined as ≥10% increase in left ventricular end-diastolic volume from baseline to 4 months CMR follow-up. Patients with IL-6 concentrations ≥median (17 ng/L) showed a significantly lower LVEF (43% vs. 52%, P < 0.001), larger IS (22% vs. 13%, P < 0.001), larger MVO (1.9% vs. 0.0%, P < 0.001), and more frequent IMH (52% vs. 18%, P < 0.001). Left ventricular remodelling was more common in patients with IL-6 ≥ median (24% vs. 9%, P = 0.005). In both linear and binary multivariable regression analyses, IL-6 remained independently associated with lower LVEF [odds ratio (OR): 0.10, 95% confidence interval (CI) 0.02-0.42, P = 0.002], larger IS (OR: 5.29, 95% CI 1.52-18.40, P = 0.009), larger MVO (OR: 5.20, 95% CI 1.30-20.85, P = 0.020), with presence of IMH (OR: 3.73, 95% CI 1.27-10.99, P = 0.017), and adverse LVR (OR: 2.72, 95% 1.06-6.98, P = 0.038). CONCLUSIONS High concentrations of circulating plasma IL-6 on Day 2 after STEMI were independently associated with worse myocardial function, larger infarct extent, more severe reperfusion injury, and a higher likelihood for LVR, suggesting IL-6 as a useful biomarker of more serious outcome and potential therapeutic target. CLINICAL TRIAL REGISTRATION https://clinicaltrials.gov/ct2/show/NCT04113356;NCT04113356.
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Affiliation(s)
- Christina Tiller
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Martin Reindl
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Magdalena Holzknecht
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Ivan Lechner
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Johannes Schwaiger
- Department of Internal Medicine, Academic Teaching Hospital Hall in Tirol, Milserstrasse 10, Hall in Tirol A-6060, Austria
| | - Christoph Brenner
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Agnes Mayr
- Department of Radiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Gert Klug
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Axel Bauer
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Bernhard Metzler
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
| | - Sebastian J Reinstadler
- Departement of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, Innsbruck A-6020, Austria
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Díaz-Chirón L, Negral L, Megido L, Suárez-Peña B, Domínguez-Rodríguez A, Rodríguez S, Abreu-Gonzalez P, Pascual I, Moris C, Avanzas P. Relationship Between Exposure to Sulphur Dioxide Air Pollution, White Cell Inflammatory Biomarkers and Enzymatic Infarct Size in Patients With ST-segment Elevation Acute Coronary Syndromes. Eur Cardiol 2021; 16:e50. [PMID: 34950246 PMCID: PMC8674636 DOI: 10.15420/ecr.2021.37] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/26/2021] [Indexed: 01/12/2023] Open
Abstract
Aims: To analyse the relationship among air pollutants, markers of inflammation and infarct size in patients with acute coronary syndrome (ACS). Methods: This was a prospective analysis of consecutive patients admitted to hospital because of ACS. Cardiac biomarkers were drawn. The daily mean values of the air pollutants from the day before until 7 days before admission were analysed. The study population was stratified according to infarct size, based on median peak troponin value. Results: Patients were divided into two groups of 108 subjects each, according to median peak troponin value. Patients with extensive MIs had a higher neutrophil:lymphocyte ratio and leukocyte and neutrophil counts than patients with smaller MIs. In addition, they were exposed to higher concentrations of sulphur dioxide (9.7 ± 4.1 versus 8.4 ± 3.1 μg/m3; p=0.009) and lower concentrations of ozone (33.8 ± 13.7 versus 38.6 ± 14.5 μg/m3; p=0.014). Multivariate analysis showed that sulphur dioxide levels (OR 1.12; 95% CI [1.031–1.21]; p=0.007) and neutrophil/lymphocyte ratio (OR 1.08; 95% CI [1.011–1.17]; p=0.024) were independent predictors of infarct size. Conclusion: Patients with extensive MIs had higher white cell inflammatory levels and had been exposed to higher sulphur dioxide concentrations in the ambient air.
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Affiliation(s)
| | - Luis Negral
- Department of Chemical and Environmental Engineering, Technical University of Cartagena Cartagena, Spain.,Department of Chemical and Environmental Engineering, Polytechnic School of Engineering, Gijón Campus, University of Oviedo Gijón, Spain
| | - Laura Megido
- Department of Chemical and Environmental Engineering, Polytechnic School of Engineering, Gijón Campus, University of Oviedo Gijón, Spain
| | - Beatriz Suárez-Peña
- Department of Materials Science and Metallurgical Engineering, Polytechnic School of Engineering, Gijón Campus, University of Oviedo Gijón, Spain
| | - Alberto Domínguez-Rodríguez
- Hospital Universitario de Canarias, Servicio de Cardiología Tenerife, Spain.,Facultad de Ciencias de la Salud, Departamento de Enfermería, Universidad de La Laguna Tenerife, Spain.,Universidad Europea de Canarias, Facultad de Ciencias de La Salud La Orotava, Tenerife, Spain
| | - Sergio Rodríguez
- Estación Experimental De Zonas Áridas, EEZA CSIC Almería, Spain.,Instituto de Productos Naturales de y Agrobiologia, IPNA CSIC Tenerife, Spain
| | - Pedro Abreu-Gonzalez
- Department of Physiology, Faculty of Medicine, University of La Laguna San Cristóbal de La Laguna, Spain
| | - Isaac Pascual
- Hospital Universitario Central de Asturias, Department of Cardiology Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA) Oviedo, Spain.,Department of Medicine, University of Oviedo Oviedo, Spain
| | - César Moris
- Hospital Universitario Central de Asturias, Department of Cardiology Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA) Oviedo, Spain.,Department of Medicine, University of Oviedo Oviedo, Spain
| | - Pablo Avanzas
- Hospital Universitario Central de Asturias, Department of Cardiology Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA) Oviedo, Spain.,Department of Medicine, University of Oviedo Oviedo, Spain
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Iwakura K, Onishi T, Okamura A, Koyama Y, Inoue K, Nagai H, Hirao Y, Tanaka K, Iwamoto M, Tanaka N, Nakatani D, Hikoso S, Sakata Y, Sakata Y, Fujii K. Tissue Mitral Annular Displacement in Patients With Myocardial Infarction - Comparison With Global Longitudinal Strain. Circ Rep 2021; 3:530-539. [PMID: 34568632 PMCID: PMC8423660 DOI: 10.1253/circrep.cr-21-0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 11/09/2022] Open
Abstract
Background: Global longitudinal strain (GLS) can predict prognosis after myocardial infarction (MI). Tissue mitral annular displacement (TMAD) is another index of longitudinal left ventricular deformity, and is less dependent on image quality than GLS. We investigated the relationship between TMAD and GLS, and their ability to predict outcomes after MI. Methods and Results: GLS and TMAD were measured on echocardiograms 2 weeks after MI in 246 consecutive patients (median age 62 years, 85.7% male). TMAD was measured from apical 4- and 2-chamber views (TMAD4ch and TMAD2ch, respectively), and a mean value (TMADav) was calculated. TMAD4ch, TMAD2ch, and GLS were successfully measured in 240 (97.5%), 210 (85.3%) and 214 patients (87.0%), respectively. All TMAD parameters were significantly correlated with GLS (R=0.71-0.75) and left ventricular ejection fraction (LVEF; R=0.48-0.53). TMAD parameters were weakly correlated with peak creatine kinase (CK; R=0.20) and CK-MB (R=0.21-0.25). GLS and TMADav were significantly associated with LVEF after 6 months (R=0.48-0.53) and all-cause mortality during the follow-up period (median 1,242 days). TMADav discriminated patients with higher all-cause mortality when patients were divided into 3 groups, namely upper 25%, middle range, and lower 25% of TMADav (P=0.041, log-rank test). GLS detected high-risk patients using 15.0% as a cut-off value. Conclusions: TMAD could be a simple and reliable alternative to GLS for predicting outcomes in patients with MI.
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Affiliation(s)
- Katsuomi Iwakura
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Toshinari Onishi
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Atsunori Okamura
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Yasushi Koyama
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Koichi Inoue
- Department of Cardiology, National Hospital Organization Osaka National Hospital Osaka Japan
| | - Hiroyuki Nagai
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Yuko Hirao
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Koji Tanaka
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Mutsumi Iwamoto
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Nobuaki Tanaka
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
| | - Daisaku Nakatani
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine Osaka Japan
| | - Shungo Hikoso
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine Osaka Japan
| | - Yasuhiko Sakata
- Department of Clinical Medicine and Development, National Cerebral and Cardiovascular Center Osaka Japan
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center Osaka Japan
| | - Yasushi Sakata
- Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine Osaka Japan
| | - Kenshi Fujii
- Division of Cardiology, Sakurabashi Watanabe Hospital Osaka Japan
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Li F, Hopkins WG, Wang X, Baker JS, Nie J, Qiu J, Quach B, Wang K, Yi L. Kinetics, Moderators and Reference Limits of Exercise-Induced Elevation of Cardiac Troponin T in Athletes: A Systematic Review and Meta-Analysis. Front Physiol 2021; 12:651851. [PMID: 33841187 PMCID: PMC8033011 DOI: 10.3389/fphys.2021.651851] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/01/2021] [Indexed: 01/26/2023] Open
Abstract
Background: Kinetics, moderators and reference limits for exercise-induced cardiac troponin T (cTnT) elevations are still unclear. Methods: A systematic review of published literature was conducted adhering to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines. Studies reporting high-sensitivity cardiac troponin T (hs-cTnT) concentrations before and after a bout of exercise in athletes were included and analyzed. The final dataset consisted of 62 estimates from 16 bouts in 13 studies of 5-1,002 athletes (1,421 in total). Meta-analysis was performed using general linear mixed modeling and Bayesian inferences about effect magnitudes. Modifying fixed-effect moderators of gender, age, baseline level, exercise duration, intensity and modalities were investigated. Simulation was used to derive 99th percentile with 95% limits of upper reference ranges for hs-cTnT of athletic populations. Results: The mean and upper reference limits of hs-cTnT before exercise were 4.4 and 19 ng.L-1. Clear increases in hs-cTnT ranging from large to very large (factor changes of 2.1-7.5, 90% compatibility limits, ×/÷1.3) were evident from 0.7 through 25 h, peaking at 2.9 h after the midpoint of a 2.5-h bout of running, when the mean and upper reference limit for hs-cTnT were 33 and 390 ng L-1. A four-fold increase in exercise duration produced a large clear increase (2.4, ×/÷1.7) in post-exercise hs-cTnT. Rowing exercise demonstrated an extremely large clear reduction (0.1 ×/÷2.4). Conclusions: The kinetics of cTnT elevation following exercise, the positive effect of exercise duration, the impact of exercise modality and 99th upper reference limits for athletic populations were reasonably well defined by this meta-analysis.
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Affiliation(s)
- Feifei Li
- Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
- Centre for Health and Exercise Science Research, Hong Kong Baptist University, Hong Kong, China
| | - Will G. Hopkins
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia
| | - Xuejing Wang
- Clinical Laboratory, Civil Aviation General Hospital, Beijing, China
| | - Julien S. Baker
- Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
- Centre for Health and Exercise Science Research, Hong Kong Baptist University, Hong Kong, China
| | - Jinlei Nie
- School of Health Sciences and Sports, Macao Polytechnic Institute, Macao, China
| | - Junqiang Qiu
- College of Sport Science School, Beijing Sport University, Beijing, China
| | - Binh Quach
- Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
| | - Kun Wang
- College of Physical Education, Hebei Normal University, Shijiazhuang, China
| | - Longyan Yi
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
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11
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Tiller C, Holzknecht M, Reindl M, Lechner I, Kalles V, Troger F, Schwaiger J, Mayr A, Klug G, Brenner C, Bauer A, Metzler B, Reinstadler SJ. Estimating the extent of myocardial damage in patients with STEMI using the DETERMINE score. Open Heart 2021; 8:openhrt-2020-001538. [PMID: 33547223 PMCID: PMC7871339 DOI: 10.1136/openhrt-2020-001538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 11/24/2022] Open
Abstract
Background Recently, a simple ECG score (DETERMINE score) has been proposed for estimating myocardial scar in patients with ischaemic cardiomyopathy. We sought to evaluate the usefulness of the DETERMINE score for the assessment of myocardial infarct size (IS) as well as microvascular obstruction (MVO), in the setting of ST-elevation myocardial infarction (STEMI). Methods This observational study enrolled 423 patients with STEMI (median age 56, 17% women), revascularised by primary percutaneous coronary intervention (PCI). For evaluation of the DETERMINE and Selvester scoring system (an established but complex ECG score for IS estimation), ECG was conducted before discharge (median: 4 (IQR 2–6) days). Cardiac magnetic resonance (CMR) was conducted within a week after infarction for determination of IS and MVO. Results Median DETERMINE score of the overall cohort was 8 points (IQR 5–11). A higher DETERMINE score was significantly associated with a larger IS (21% vs 11% of left ventricular myocardial mass (LVMM), p<0.001) as well as larger MVO (1.2% vs 0.0% of LVMM, p<0.001). In linear and binary multivariable logistic regression analysis, the DETERMINE score remained independently associated with IS (OR 1.09, 95% CI 1.02 to 1.17, p=0.014) and MVO (OR 1.12, 95% CI 1.04 to 1.21, p=0.003), after adjustment for Selvester score and clinical indicators of IS (high-sensitivity cardiac troponin T, high-sensitivity C reactive protein, N-terminal pro-B-type natriuretic peptide, TIMI flow pre-interventional and post-interventional PCI, anterior infarct localisation). Conclusions In patients undergoing PCI for STEMI, the DETERMINE score provides an easy and inexpensive tool for appropriate estimation of infarct severity as determined by CMR.
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Affiliation(s)
- Christina Tiller
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Magdalena Holzknecht
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Martin Reindl
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Ivan Lechner
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Verena Kalles
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Felix Troger
- Department of Radiology I, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Johannes Schwaiger
- Department of Internal Medicine, Academic Teaching Hospital Hall in Tirol, Hall in Tirol, Austria
| | - Agnes Mayr
- Department of Radiology I, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Gert Klug
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Christoph Brenner
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Axel Bauer
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
| | - Bernhard Metzler
- University Clinic of Internal Medicine III, Cardiology, Medical University of Innsbruck, Innsbruck, Tirol, Austria
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12
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Tiller C, Reindl M, Holzknecht M, Lechner I, Simma F, Schwaiger J, Mayr A, Klug G, Bauer A, Reinstadler SJ, Metzler B. High sensitivity C-reactive protein is associated with worse infarct healing after revascularized ST-elevation myocardial infarction. Int J Cardiol 2020; 328:191-196. [PMID: 33309637 DOI: 10.1016/j.ijcard.2020.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 10/16/2020] [Accepted: 12/02/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND The inflammatory response due to myocardial tissue injury in the setting of acute ST-elevation myocardial infarction (STEMI) is essential for proper local infarct healing. However, an excessive inflammatory response may aggravate myocardial damage and hampers infarct healing processes. The present study aimed to investigate the association of systemic inflammatory biomarkers with infarct size (IS) dynamics post-STEMI, using cardiac magnetic resonance (CMR) imaging. METHODS This prospective observational study included 245 STEMI patients treated with primary percutaneous coronary intervention (pPCI). Peak values of high-sensitivity C-reactive protein (hs-CRP), white blood cell count (WBCc) and fibrinogen were determined serially until 96 h after pPCI. Infarct healing, defined as relative IS reduction from baseline to 4 months after STEMI, was assessed using late gadolinium enhanced CMR imaging. RESULTS IS significantly decreased from 16% of left ventricular mass (LVM) (Interquartile range [IQR]:8-24) at baseline to 10% (IQR:5-17) at 4 months (p < 0.001). Relative IS reduction was 35% (IQR:8-50). Whereas peak WBCc (p = 0.926) and peak fibrinogen (p = 0.161) were not significantly associated with relative IS reduction, peak hs-CRP showed a significant association with IS reduction (p = 0.003). In multivariable logistic regression analysis, the association between peak hs-CRP and relative IS reduction remained significant after adjustment for baseline IS, hypertension, hs-cardiac troponin T and N-terminal pro B-type natriuretic peptide (odds ratio:0.35 [95% confidence interval:0.19-0.63]; p = 0.001). CONCLUSIONS In STEMI patients treated with pPCI, hs-CRP was independently associated with 4 months IS reduction as determined by CMR, suggesting a pathophysiological interplay between inflammation and adverse infarct healing in survivors of acute STEMI.
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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
| | - Ivan Lechner
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria
| | - Felix Simma
- University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria
| | - Johannes Schwaiger
- Department of Internal Medicine, Academic Teaching Hospital Hall in Tirol, Milserstrasse 10, A-6060 Hall in Tirol, 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
| | - Sebastian Johannes Reinstadler
- 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.
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13
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Reyes-Retana JA, Duque-Ossa LC. Acute Myocardial Infarction Biosensor: A Review From Bottom Up. Curr Probl Cardiol 2020; 46:100739. [PMID: 33250264 DOI: 10.1016/j.cpcardiol.2020.100739] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 10/27/2020] [Indexed: 02/09/2023]
Abstract
Acute myocardial infarction (AMI) is a cardiovascular disease that is produced due to a deficiency of oxygen generating irreversible damage in the heart muscle. In diagnosis, electrocardiogram (ECG) investigation has been the main method but is insufficient, so approaches like the measurement of biomarkers levels in plasma or saliva have become one of the most commonly applied strategies for prognosis of AMI, as some of them are specifically related to a heart attack. Many tests are carrying on to determine biological markers changes, but usually, they present disadvantages related to time consumption and laborious work. To overcome the issues, researchers around the world have been developing different ways to enhance detection through the use of biosensors. These diagnostic devices have a biological sensing element associated to a physicochemical transducer that can be made from different materials and configurations giving place to different kinds of detection: Electrical/Electrochemical, Optical and Mechanical. In this review, the authors presents relevant investigations related to the most important biomarkers and biosensors used for their detection having in mind the nanotechnology participation in the process through the application of nanostructures as a good choice for device configuration.
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Affiliation(s)
- J A Reyes-Retana
- Tecnologico de Monterrey, School of Engineering and Science, Av. Carlos Lazo 100, Santa Fe, La Loma, Mexico City 01389, Mexico. https://tec.mx
| | - L C Duque-Ossa
- Tecnologico de Monterrey, School of Engineering and Science, Av. Carlos Lazo 100, Santa Fe, La Loma, Mexico City 01389, Mexico. https://tec.mx
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14
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Circulating Serpina3 levels predict the major adverse cardiac events in patients with myocardial infarction. Int J Cardiol 2020; 300:34-38. [DOI: 10.1016/j.ijcard.2019.08.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 07/30/2019] [Accepted: 08/14/2019] [Indexed: 11/19/2022]
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15
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Gundogdu G, Senol O, Demirkaya Miloglu F, Koza Y, Gundogdu F, Hacımüftüoğlu A, Abd El-Aty AM. Serum metabolite profiling of ST-segment elevation myocardial infarction using liquid chromatography quadrupole time-of-flight mass spectrometry. Biomed Chromatogr 2019; 34:e4738. [PMID: 31677392 DOI: 10.1002/bmc.4738] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/15/2019] [Accepted: 10/28/2019] [Indexed: 02/01/2023]
Abstract
ST segment elevation myocardial infarction (STEMI) is one of the most common global causes of cardiovascular disease-related death. Several metabolites may change during STEMI. Hence, analysis of metabolites in body fluid may be considered as a rapid and accurate test for initial diagnosis. This study has therefore attempted to determine the variation in metabolites identified in the serum of STEMI patients (n = 20) and 15 controls. Samples collected from the Cardiology Department, Medical Faculty, Ataturk University, were extracted by liquid-liquid extraction and analysed using liquid chromatography quadrupole time-of-flight mass spectrometry. The METLIN database was used for the identification and characterization of metabolites. According to Q-TOF/MS measurements, 231 m/z values, which were significantly different between groups (P < 0.01 and fold analysis >1.5) were detected. Metabolite identification was achieved via the Human Metabolome database. According to the multivariate data analysis, leucine, isoleucine, l-proline, l-alanine, glycine, fumaric acid, citrate, succinate and carnitine levels were decreased, whereas levels of propionic acid, maleic acid, butyric acid, urea, oleic acid, palmitic acid, lysoPC [18:2(9Z)], glycerol, phoshpatidylethanolamine, caffeine and l-lactic acid were increased in STEMI patients compared with controls. In conclusion, malonic acid, maleic acid, fumaric acid and palmitic acid can be used as biomarkers for early risk stratification of patients with STEMI.
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Affiliation(s)
- Gulsah Gundogdu
- Physiology Department, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Onur Senol
- Analytical Chemistry Department, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | | | - Yavuzer Koza
- Cardiology Department, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Fuat Gundogdu
- Cardiology Department, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Ahmet Hacımüftüoğlu
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - A M Abd El-Aty
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum, Turkey
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16
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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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17
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Liu J, Yang D, Wang X, Zhu Z, Wang T, Ma A, Liu P. Neutrophil extracellular traps and dsDNA predict outcomes among patients with ST-elevation myocardial infarction. Sci Rep 2019; 9:11599. [PMID: 31406121 PMCID: PMC6690880 DOI: 10.1038/s41598-019-47853-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 07/25/2019] [Indexed: 02/02/2023] Open
Abstract
Neutrophil extracellular traps (NETs) which have a potential role in noninfectious diseases, may play an important role in patients with acute coronary syndrome. The goal of this study was to investigate the association of NETs and in-hospital major adverse cardiac events among patients with ST-segment elevation myocardial infarction (STEMI). Using immunofluorescence staining, ELISA, and fluorescent enzyme standard instrument, we assessed NETs and NETs-related factors. Multivariate analyses were performed after univariate analyses to investigate which variables were independently associated with major adverse cardiac events. Compared with peripheral arteries, we observed neutrophils obtained from infarct-related artery (IRA) releasing NETs. The dsDNA levels, NET-specific marker myeloperoxidase/deoxyribonucleic acid (MPO/DNA) complexes and NETs-related factor tissue factor were significantly higher in coronary plasma samples. Multivariate analysis that white cell counts and coronary dsDNA were independently associated with in-hospital major adverse cardiac events. ROC curve for coronary dsDNA showed sensitivity of 78.0% and specificity of 53% for the cut-off value of 0.39ug/ml. Conclusion, these results provide evidences indicating NETs were associated with STIM, and occurrence of adverse cardiac events.
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Affiliation(s)
- Jing Liu
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, P.R. China
| | - Dandan Yang
- Cardiovascular Department, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang, China
| | - Xiqiang Wang
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, P.R. China
| | - Zhonghai Zhu
- Department of Epidemiology and biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, P.R. China
| | - Tingzhong Wang
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, P.R. China.,Key Laboratory of Molecular Cardiology, Shaanxi Province, P.R. China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, P.R. China
| | - Aiqun Ma
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, P.R. China.,Key Laboratory of Molecular Cardiology, Shaanxi Province, P.R. China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, P.R. China
| | - Ping Liu
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, P.R. China. .,Key Laboratory of Molecular Cardiology, Shaanxi Province, P.R. China. .,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, P.R. China.
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