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Kendziora B, Stier H, Schlattmann P, Dewey M. MRI for measuring therapy efficiency after revascularisation in ST-segment elevation myocardial infarction: a systematic review and meta-regression analysis. BMJ Open 2020; 10:e034359. [PMID: 32988935 PMCID: PMC7523216 DOI: 10.1136/bmjopen-2019-034359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE To summarise existing data on the relation between the time from symptom onset until revascularisation (time to reperfusion) and the myocardial salvage index (MSI) calculated as proportion of non-necrotic myocardium inside oedematous myocardium on T2-weighted and T1-weighted late gadolinium enhancement MRI after ST-segment elevation myocardial infarction (STEMI). METHODS Studies including patients with revascularised STEMI and stating both the time to reperfusion and the MSI measured by T2-weighted and T1-weighted late gadolinium enhancement MRI were searched in MEDLINE, EMBASE and ISI Web of Science until 16 May 2020. A mixed effects model was used to evaluate the relation between the time to reperfusion and the MSI. The gender distribution and mean age in included patient groups, the timing of MRI, used MRI sequences and image interpretation methodology were included in the mixed effects model to explore between-study heterogeneity. RESULTS We included 38 studies with 5106 patients. The pooled MSI was 42.6% (95% CI: 38.1 to 47.1). The pooled time to reperfusion was 3.8 hours (95% CI: 3.5 to 4.0). Every hour of delay in reperfusion was associated with an absolute decrease of 13.1% (95% CI: 11.5 to 14.6; p<0.001) in the MSI. Between-study heterogeneity was considerable (σ2=167.8). Differences in the gender distribution, timing of MRI and image interpretation among studies explained 45.2% of the between-study heterogeneity. CONCLUSIONS The MSI on T2-weighted and T1-weighted late gadolinium enhancement MRI correlates inversely with the time to reperfusion, which indicates that cardioprotection achieved by minimising the time to reperfusion leads to a higher MSI. The analysis revealed considerable heterogeneity between studies. The heterogeneity could partly be explained by differences in the gender distribution, timing and interpretation of MRI suggesting that the MRI-assessed MSI is not only influenced by cardioprotective therapy but also by patient characteristics and MRI parameters.
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Affiliation(s)
- Benjamin Kendziora
- Institute of Radiology, Charité - Universitätsmedizin Berlin, Humboldt-Universität and Freie Universität, Berlin, Germany
| | - Heli Stier
- Institute of Radiology, Charité - Universitätsmedizin Berlin, Humboldt-Universität and Freie Universität, Berlin, Germany
| | - Peter Schlattmann
- Institute of Medical Statistics, Computer Sciences and Documentation, Universitätsklinikum Jena, Friedrich-Schiller-Universität, Jena, Germany
| | - Marc Dewey
- Institute of Radiology, Charité - Universitätsmedizin Berlin, Humboldt-Universität and Freie Universität, Berlin, Germany
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Electrocardiogram to predict reperfusion success in late presenters with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention. J Electrocardiol 2020; 59:74-80. [PMID: 32007909 DOI: 10.1016/j.jelectrocard.2020.01.008] [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: 12/11/2019] [Revised: 01/08/2020] [Accepted: 01/23/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND Clinical decision-making in patients with ST-segment elevation myocardial infarction (STEMI) presenting beyond 12 h of symptom onset (late presenters) is challenging. However, the electrocardiogram (ECG) may provide helpful information. We investigated the association between three ECG-scores and myocardial salvage and infarct size in late presenters treated with primary percutaneous coronary intervention (primary PCI). METHODS Sixty-six patients with STEMI and ongoing symptoms presenting 12-72 h after symptom onset were included. Cardiac magnetic resonance was performed at day 1 (interquartile range [IQR], 1-1) and at follow-up at day 93 (IQR, 90-98). The pre-PCI ECG was analyzed for the presence of pathological QW (early QW) as well as Anderson-Wilkins acuteness score (AW-score), the classic Sclarovsky-Birnbaum Ischemia Grading System (classic SB-IG-score) and a modified SB-IG-score including any T-wave morphologies. RESULTS Early QW was associated with a larger myocardium at risk (39 ± 12 versus 33 ± 12; p = 0.030) and final infarct size (20 ± 11 versus 14 ± 9; p = 0.021) as well as a numerical lower final myocardial salvage (0.52 ± 0.19 versus 0.61 ± 0.23; p = 0.09). The association with final infarct size disappeared after adjusting for myocardium at risk. An AW-score < 3 showed a trend towards a larger final infarct size (18 ± 11 versus 11 ± 11; p = 0.08) and was not associated with salvage index (0.55 ± 0.20 versus 0.65 ± 0.30; p = 0.23). The classic and modified SB-IG-score were not associated with final infarct size (modified SB-IG-score, 17 ± 10 versus 21 ± 13; p = 0.28) or final myocardial salvage (0.53 ± 0.20 versus 0.53 ± 0.26; p = 0.96). CONCLUSION Of three well-established ECG-scores only early QW and AW-score < 3 showed association with myocardium at risk and infarct size to some extent, but the association with myocardial salvage was weak. Hence, neither of the three investigated ECG-scores are sufficient to guide clinical decision-making in patients with STEMI and ongoing symptoms presenting beyond 12 h of symptom onset.
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Fakhri Y, Sejersten M, Schoos MM, Hansen HS, Dubois-Rande JL, Hall TS, Larsen AI, Jensen SE, Engblom H, Arheden H, Kastrup J, Atar D, Clemmensen P. Electrocardiographic scores of severity and acuteness of myocardial ischemia predict myocardial salvage in patients with anterior ST-segment elevation myocardial infarction. J Electrocardiol 2017; 51:195-202. [PMID: 29174706 DOI: 10.1016/j.jelectrocard.2017.11.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND Terminal "QRS distortion" on the electrocardiogram (ECG) (based on Sclarovsky-Birnbaum's Grades of Ischemia Score) is a sign of severe ischemia, associated with adverse cardiovascular outcome in ST-segment elevation myocardial infarction (STEMI). In addition, ECG indices of the acuteness of ischemia (based on Anderson-Wilkins Acuteness Score) indicate myocardial salvage potential. We assessed whether severe ischemia with or without acute ischemia is predictive of infarct size (IS), myocardial salvage index (MSI) and left ventricular ejection fraction (LVEF) in anterior versus inferior infarct locations. METHODS In STEMI patients, the severity and acuteness scores were obtained from the admission ECG. Based on the ECG patients were assigned with severe or non-severe ischemia and acute or non-acute ischemia. Cardiac magnetic resonance (CMR) was performed 2-6days after primary percutaneous coronary intervention (pPCI). LVEF was measured by echocardiography 30days after pPCI. RESULTS ECG analysis of 85 patients with available CMR resulted in 20 (23%) cases with severe and non-acute ischemia, 43 (51%) with non-severe and non-acute ischemia, 17 (20%) with non-severe and acute ischemia, and 5 (6%) patients with severe and acute ischemia. In patients with anterior STEMI (n=35), ECG measures of severity and acuteness of ischemia identified significant and stepwise differences in myocardial damage and function. Patients with severe and non-acute ischemia had the largest IS, smallest MSI and lowest LVEF. In contrast, no difference was observed in patients with inferior STEMI (n=50). CONCLUSIONS The applicability of ECG indices of severity and acuteness of myocardial ischemia to estimate myocardial damage and salvage potential in STEMI patients treated with pPCI, is confined to anterior myocardial infarction.
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Affiliation(s)
- Yama Fakhri
- Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen, Denmark; Department of Medicine, Division of Cardiology, Nykøbing F Hospital, Nykøbing F, Denmark.
| | - Maria Sejersten
- Department of Cardiology, Herlev University Hospital, Herlev, Denmark
| | | | | | | | - Trygve S Hall
- Department of Cardiology B, Oslo University Hospital Ullevål, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Alf-Inge Larsen
- Department of Cardiology, Stavanger University Hospital, Stavanger, Norway, Institute of Clinical Science, University of Begen, Norway
| | | | - Henrik Engblom
- Department of Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Hakon Arheden
- Department of Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden
| | - Jens Kastrup
- Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen, Denmark
| | - Dan Atar
- Department of Cardiology B, Oslo University Hospital Ullevål, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Peter Clemmensen
- Department of Medicine, Division of Cardiology, Nykøbing F Hospital, Nykøbing F, Denmark; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; Department of General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, Eppendorf, Germany
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Swenne CA, Pahlm O, Atwater BD, Bacharova L. Galen Wagner, M.D., Ph.D. (1939–2016) as international mentor of young investigators in electrocardiology. J Electrocardiol 2017; 50:21-46. [DOI: 10.1016/j.jelectrocard.2016.11.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Algorithm for the automatic computation of the modified Anderson–Wilkins acuteness score of ischemia from the pre-hospital ECG in ST-segment elevation myocardial infarction. J Electrocardiol 2017; 50:97-101. [DOI: 10.1016/j.jelectrocard.2016.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Indexed: 01/17/2023]
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Fakhri Y, Schoos MM, Sejersten M, Ersbøll M, Valeur N, Køber L, Hassager C, Wagner GS, Kastrup J, Clemmensen P. Prehospital electrocardiographic acuteness score of ischemia is inversely associated with neurohormonal activation in STEMI patients with severe ischemia. J Electrocardiol 2017; 50:90-96. [DOI: 10.1016/j.jelectrocard.2016.11.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Indexed: 01/07/2023]
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Dr. Galen Wagner (1939-2016) as an Academic Writer: An Overview of his Peer-reviewed Scientific Publications. J Electrocardiol 2017; 50:47-73. [DOI: 10.1016/j.jelectrocard.2016.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Evaluation of acute ischemia in pre-procedure ECG predicts myocardial salvage after primary PCI in STEMI patients with symptoms >12hours. J Electrocardiol 2016; 49:278-83. [DOI: 10.1016/j.jelectrocard.2016.02.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Indexed: 11/23/2022]
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Fakhri Y, Ersbøll M, Køber L, Hassager C, Hesselfeldt R, Steinmetz J, Wagner GS, Sejersten M, Kastrup J, Clemmensen P, Schoos MM. Pre-hospital electrocardiographic severity and acuteness scores predict left ventricular function in patients with ST elevation myocardial infarction. J Electrocardiol 2016; 49:284-91. [PMID: 26962019 DOI: 10.1016/j.jelectrocard.2016.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Indexed: 11/17/2022]
Abstract
OBJECTIVES System delay (time from first medical contact to primary percutaneous coronary intervention) is associated with heart failure and mortality in patients with ST segment elevation myocardial infarction (STEMI). We evaluated the impact of system delay on left ventricular function (LVF) according to the combination of ischemia severity (Sclarovsky-Birnbaum grades) and acuteness (Anderson-Wilkins scores) in the pre-hospital electrocardiogram (ECG). METHODS In a predefined secondary analysis of a prospective study, the severity and acuteness scores were performed on the pre-hospital ECG. Patients were assessed with respect to 4 classifications which were not mutually exclusive: severe ischemia (+SI) or non-severe ischemia (-SI) and acute ischemia (+AI) or non-acute ischemia (-AI). LVF was assessed by global longitudinal strain (GLS) within 48hours of admission. Adjusted linear regression investigated the association of system delay with GLS in each group. RESULTS In total 262 patients were eligible for analysis of the ECG, which resulted in 42 (16%) with (+SI, -AI), 110 (42%) with (-SI, -AI), 90 (34%) with (-SI, +AI), and 20 (8%) patients with (+SI, +AI). Although system delay did not differ between groups, patients with severe and non-acute ischemia had the most impaired LVF. System delay correlated weakly with GLS in the entire population (r=0.133, p=0.031), and well with GLS in the (+SI, +AI) group (r=0.456, p=0.04), while there was no correlation in the other groups. By adjusted analysis, system delay predicted impaired GLS only in the (+SI, +AI) group (β=0.578, p=0.002). CONCLUSION Pre-hospital risk stratification by ECG identifies patients with acute and severe ischemia who are at increased risk for reduced ventricular function (assessed by GLS) after STEMI. Optimizing reperfusion delays in these patients can therefore be of particular benefit in improving clinical outcome after STEMI.
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Affiliation(s)
- Yama Fakhri
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark; Department of Medicine, Division of Cardiology, Nykøbing F Hospital, Copenhagen University Hospital, Nykøbing F, Denmark.
| | - Mads Ersbøll
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Lars Køber
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Christian Hassager
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Rasmus Hesselfeldt
- Department of Anesthesia, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jacob Steinmetz
- Department of Anesthesia, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Galen S Wagner
- Department of Medicine, Duke University Medical Center, Durham, NC, USA
| | - Maria Sejersten
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jens Kastrup
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Peter Clemmensen
- Department of Medicine, Division of Cardiology, Nykøbing F Hospital, Nykøbing F, Denmark; Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark; University Clinic Hamburg-Eppendorf, The Heart Center, Department of General and Interventional Cardiology, Hamburg, Germany
| | - Mikkel Malby Schoos
- Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark; Zealand University Hospital, Denmark
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Klein LR, Shroff GR, Beeman W, Smith SW. Electrocardiographic criteria to differentiate acute anterior ST-elevation myocardial infarction from left ventricular aneurysm. Am J Emerg Med 2015; 33:786-90. [DOI: 10.1016/j.ajem.2015.03.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 03/19/2015] [Accepted: 03/19/2015] [Indexed: 10/23/2022] Open
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Dizon JM, Brener SJ, Maehara A, Witzenbichler B, Biviano A, Godlewski J, Parise H, Dambrink JH, Mehran R, Gibson CM, Stone GW. Relationship between ST-segment resolution and anterior infarct size after primary percutaneous coronary intervention: analysis from the INFUSE-AMI trial. EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE 2013; 3:78-83. [PMID: 24562806 DOI: 10.1177/2048872613508658] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
AIMS ST-segment resolution (STR) after reperfusion therapy has been shown to correlate with prognosis in patients with ST-segment elevation myocardial infarction (STEMI). We investigated whether acute ECG measurements also correlate with ultimate infarct size. METHODS AND RESULTS The INFUSE-AMI trial randomized 452 patients with anterior STEMI to intracoronary bolus abciximab vs. no abciximab, and to thrombus aspiration vs. no aspiration. Infarct size as percentage of total LV mass was calculated by cardiac magnetic resonance imaging (MRI) 30 days post intervention. Five ECG methods were analysed for their ability to predict MRI infarct mass: (1) summed STR across all infarct-related ECG leads (ΣSTR); (2) STR in the single lead with maximum baseline ST-segment elevation (maxSTR); (3) summed residual ST-segment elevation across all infarct-related leads at 60 min post intervention (ΣST residual); (4) maximum residual ST-segment elevation in the worst single lead at 60 min post intervention (maxST residual); (5) number of new significant Q-waves (Qwave) at 60 min. All ECG methods strongly correlated with 30-day MRI infarct mass (all p<0.003). Simpler ECG measurements such as maxSTresidual and Qwave were as predictive as more complex measurements. A subset analysis of 158 patients who had microvascular obstruction (MVO) determined by MRI 5 days post intervention also showed strong correlations of MVO with the ECG measures. CONCLUSIONS ST-segment and Q-wave changes after primary PCI in anterior STEMI strongly correlated with 30-day infarct size by MRI. In particular, maxST residual and Qwave at 60 min are simple ECG parameters that offer rapid analysis for prognostication.
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Hassell MECJ, Bekkers SCAM, Loring Z, Van Hellemond I, Bouwmeester S, Van der Weg K, Maynard C, Gorgels APM, Wagner GS. The predictive value of an ECG-estimated Acute Ischemia Index for prognosis of myocardial salvage and infarct healing 3months following inferior ST-elevated myocardial infarction. J Electrocardiol 2013; 46:221-8. [PMID: 23561837 DOI: 10.1016/j.jelectrocard.2013.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Indexed: 11/19/2022]
Abstract
BACKGROUND AND PURPOSE Identification of prognostic markers can be used to stratify patients in the acute phase of ST-elevated myocardial infarction (STEMI) according to their potential to retain viable myocardium after reperfusion. The percentage of the myocardial area at risk (MaR) that is ischemic at admission, defined as the Acute Ischemia Index, is potentially salvageable. The percentage of the MaR viable at 3months post-reperfusion, by salvage and healing, was defined as the Chronic Salvage Index. A positive relationship between the Acute Ischemia Index and the Chronic Salvage Index was hypothesized. METHODS Both indices were assessed by using the ECG indices Aldrich ST and Selvester QRS scores estimating the ischemic and infarcted myocardium. The study population comprised inferior STEMI patients. (N=59). RESULTS A correlation of 0.253 (P=0.053) was found. CONCLUSIONS These results are relevant and suggest evidence of a trend in the association between these indices.
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Schoos MM, Lønborg J, Vejlstrup N, Engstrøm T, Bang L, Kelbæk H, Clemmensen P, Sejersten M. A Novel Prehospital Electrocardiogram Score Predicts Myocardial Salvage in Patients with ST-Segment Elevation Myocardial Infarction Evaluated by Cardiac Magnetic Resonance. Cardiology 2013; 126:97-106. [DOI: 10.1159/000351226] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2012] [Accepted: 04/08/2013] [Indexed: 11/19/2022]
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MALT symposium. J Electrocardiol 2011; 44:491-3. [DOI: 10.1016/j.jelectrocard.2011.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2011] [Indexed: 11/20/2022]
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