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Sievering EMW, Grosshennig A, Kottas M, Ernst J, Ringlstetter R, Koch A, Weissenborn K, Grosse GM. Diagnostic value of carotid intima-media thickness and clinical risk scores in determining etiology of ischemic stroke. Eur Stroke J 2023; 8:738-746. [PMID: 37334932 PMCID: PMC10472955 DOI: 10.1177/23969873231182492] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023] Open
Abstract
BACKGROUND In the general population, carotid intima-media thickness (CIMT) is associated with atherosclerosis as well as atrial fibrillation (AF). However, the extent to which CIMT might be of diagnostic value in clarifying stroke etiology is currently unclear. METHODS In this retrospective cohort study, we included 800 consecutive patients with acute ischemic stroke. We compared CIMT-values between stroke etiologies. The association between CIMT and cardioembolic stroke was investigated via logistic regression analysis adjusting for vascular risk factors. Receiver operating characteristic analyses were conducted to investigate the diagnostic value of CIMT in comparison to vascular risk factors and clinical AF risk scores (CHA2DS2VASc, HAVOC, and AS5F). RESULTS CIMT-values were highest in patients with cardioembolic or atherosclerotic stroke origin. CIMT was associated with newly diagnosed AF compared against cryptogenic strokes (crude odds ratio (OR) per 0.1 mm-increase of CIMT: 1.26 (95% confidence interval (CI): 1.13-1.41)). After adjustment for vascular risk factors, the effect of CIMT on AF-diagnosis, however, was weakened (adjusted OR: 1.10 (95% CI: 0.97-1.25)). The diagnostic value of CIMT for detection of AF (AUC: 0.60, 95% CI: 0.54-0.65) was outperformed by AF risk scores. Among the scores investigated, the AS5F-score yielded best accuracy and calibration to predict newly diagnosed AF (AUC: 0.71, 95% CI: 0.65-0.78). CONCLUSIONS CIMT may help in the diagnosis of stroke etiology. However, compared with vascular risk factors or clinical AF risk scores, CIMT does not provide substantial additional information on the risk of newly detected AF. Thus, stratification of AF risk based on scores, such as the AS5F, is advisable.
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Affiliation(s)
| | - Anika Grosshennig
- Institute of Biostatistics, Hannover Medical School, Hannover, Germany
| | - Martina Kottas
- Institute of Biostatistics, Hannover Medical School, Hannover, Germany
| | - Johanna Ernst
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | | | - Armin Koch
- Institute of Biostatistics, Hannover Medical School, Hannover, Germany
| | | | - Gerrit M Grosse
- Department of Neurology, Hannover Medical School, Hannover, Germany
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Grosse GM, Leotescu A, Sieweke JT, Schneppenheim S, Budde U, Ziegler NL, Biber S, Gabriel MM, Ernst J, Schuppner R, Lichtinghagen R, Bavendiek U, Widder J, Weissenborn K. ADAMTS-13 activity in stroke of known and unknown cause: Relation to vascular risk factor burden. Front Neurol 2023; 13:1045478. [PMID: 36703637 PMCID: PMC9871749 DOI: 10.3389/fneur.2022.1045478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/13/2022] [Indexed: 01/11/2023] Open
Abstract
Background The identification of the underlying mechanism in ischemic stroke has important implications for secondary prevention. A disintegrin and metalloprotease with a thrombospondin type 1 motif, member 13 (ADAMTS-13) has antithrombotic properties and was repeatedly implicated in the pathophysiology of stroke. In this study, we, therefore, aimed to investigate whether ADAMTS-13 is associated with stroke etiology and the burden of vascular risk factors. Methods We determined ADAMTS-13 activity in two prospectively recruited stroke cohorts in the long-term course after the event. Cohort 1 (n = 88) consisted of patients who suffered a stroke due to embolic stroke of undetermined source (ESUS), cardioembolic stroke due to atrial fibrillation (AF), large-artery atherosclerosis, or small vessel disease. In cohort 2, patients with cryptogenic stroke and patent foramen ovale (PFO) scheduled for PFO closure (n = 38) were enrolled. As measures of vascular risk factor burden, the CHA2DS2VASC score, the Essen Stroke Risk Score (ESRS), and the Risk of Paradoxical Embolism (RoPE) score were calculated, as appropriate. Results ADAMTS-13 activity was lower in patients with AF-related stroke compared to patients with ESUS (p = 0.0227), which was, however, due to confounding by vascular risk factors. ADAMTS-13 activity inversely correlated with the ESRS (r = -0.452, p < 0.001) and CHA2DS2VASC (r = -0.375, p < 0.001) in cohort 1. In accordance with these findings, we found a positive correlation between ADAMTS-13 activity and the RoPE score in cohort 2 (r = 0.413, p = 0.010). Conclusion ADAMTS-13 activity is inversely correlated with the number of vascular risk factors across different stroke etiologies. Further study is warranted to establish ADAMTS-13 as a mediator of cerebrovascular risk.
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Affiliation(s)
- Gerrit M. Grosse
- 1Department of Neurology, Hannover Medical School, Hannover, Germany,*Correspondence: Gerrit M. Grosse ✉
| | - Andrei Leotescu
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | | | | | - Ulrich Budde
- 3Medilys Laboratory, Asklepios Klinik Altona, Hamburg, Germany
| | - Nora L. Ziegler
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Saskia Biber
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Maria M. Gabriel
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Johanna Ernst
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Ramona Schuppner
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Ralf Lichtinghagen
- 4Institute of Clinical Chemistry, Hannover Medical School, Hannover, Germany
| | - Udo Bavendiek
- 2Department of Cardiology, Hannover Medical School, Hannover, Germany
| | - Julian Widder
- 2Department of Cardiology, Hannover Medical School, Hannover, Germany,5Medizinische Klinik VI, Kardiologie, Angiologie und Internistische Intensivmedizin, Städtisches Klinikum Karlsruhe, Karlsruhe, Germany
| | - Karin Weissenborn
- 1Department of Neurology, Hannover Medical School, Hannover, Germany
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Sieweke JT, Grosse GM, Weissenborn K, Derda AA, Biber S, Bauersachs J, Bavendiek U, Tillmanns J. Circulating fibroblast activation protein α is reduced in acute ischemic stroke. Front Cardiovasc Med 2022; 9:1064157. [PMID: 36568546 PMCID: PMC9768027 DOI: 10.3389/fcvm.2022.1064157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
Background Fibroblast activation protein α (FAP), a membrane glycoprotein with dipeptidyl-peptidase and collagenase properties, is expressed in atherosclerotic plaques and remodeling of the extracellular matrix based on fibrosis. Fibrosis is a main contributor of atrial cardiomyopathies. In acute MI, circulating FAP is associated with outcome. Here, we investigated the correlation of circulating FAP to echocardiographic parameters of atrial remodeling and neurological impairment in acute ischemic stroke. Methods Circulating FAP plasma concentrations were determined by ELISA in 47 patients with acute stroke and 22 control patients without stroke. Echocardiography was performed in all participants. Laboratory analysis, National Institutes of Health Stroke Scale (NIHSS) scoring and prolonged Holter-ECG-monitoring were performed in all stroke patients. Results Patients with acute stroke had lower circulating FAP concentrations than the control cohort (92 ± 24 vs. 106 ± 22 ng/mL, P < 0.001). There was no difference between the circulating FAP concentration comparing stroke due to atrial fibrillation, embolic stroke of undetermined source (ESUS) or atherosclerotic origin. Septal atrial conduction time (sPA-TDI) and left atrial (LA) volume index to tissue Doppler velocity (LAVI/a') representing echocardiographic parameters of LA remodeling did not correlate with FAP concentrations (sPA-TDI: r = 0.123, p = 0.31; LAVI/a': r = 0.183, p = 0.132). Stroke severity as assessed by NIHSS inversely correlated with circulating FAP (r = -0.318, p = 0.04). FAP concentration had a fair accuracy for identifying stroke in the receiver operating characteristic (ROC) analysis (AUC = 0.710, 95% CI: 0.577-0.843). A FAP concentration of 101 ng/mL discriminated between presence and absence of stroke with a sensitivity of 72% and a specificity of 77%. Lower circulating FAP concentration was associated with cardio-cerebro-vascular events within 12 months after admission. Conclusions Our study is the first to associate FAP with echocardiographic parameters of LA-remodeling and function. FAP did not correlate with sPA-TDI and LAVI/a'. However, FAP was associated with stroke, neurological impairment, and cardio-cerebral events within 12 months. Therefore, FAP might enable individualized risk stratification in ischemic stroke.
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Affiliation(s)
- Jan-Thorben Sieweke
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Gerrit M. Grosse
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | | | - Anselm A. Derda
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Saskia Biber
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Johann Bauersachs
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Udo Bavendiek
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Jochen Tillmanns
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany,*Correspondence: Jochen Tillmanns
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Fridman S, Jimenez-Ruiz A, Vargas-Gonzalez JC, Sposato LA. Differences between Atrial Fibrillation Detected before and after Stroke and TIA: A Systematic Review and Meta-Analysis. Cerebrovasc Dis 2021; 51:152-157. [PMID: 34844239 DOI: 10.1159/000520101] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 10/02/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Preliminary evidence suggests that patients with atrial fibrillation (AF) detected after stroke (AFDAS) may have a lower prevalence of cardiovascular comorbidities and lower risk of stroke recurrence than AF known before stroke (KAF). OBJECTIVE We performed a systematic search and meta-analysis to compare the characteristics of AFDAS and KAF. METHODS We searched PubMed, Scopus, and EMBASE for articles reporting differences between AFDAS and KAF until June 30, 2021. We performed random- or fixed-effects meta-analyses to evaluate differences between AFDAS and KAF in demographic factors, vascular risk factors, prevalent vascular comorbidities, structural heart disease, stroke severity, insular cortex involvement, stroke recurrence, and death. RESULTS In 21 studies including 22,566 patients with ischemic stroke or transient ischemic attack, the prevalence of coronary artery disease, congestive heart failure, prior myocardial infarction, and a history of cerebrovascular events was significantly lower in AFDAS than KAF. Left atrial size was smaller, and left ventricular ejection fraction was higher in AFDAS than KAF. The risk of recurrent stroke was 26% lower in AFDAS than in KAF. There were no differences in age, sex, stroke severity, or death rates between AFDAS and KAF. There were not enough studies to report differences in insular cortex involvement between AF types. CONCLUSIONS We found significant differences in the prevalence of vascular comorbidities, structural heart disease, and stroke recurrence rates between AFDAS and KAF, suggesting that they constitute different clinical entities within the AF spectrum. PROSPERO registration number is CRD42020202622.
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Affiliation(s)
- Sebastian Fridman
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Amado Jimenez-Ruiz
- Heart & Brain Laboratory, Western University, London, Canada, Western University, London, Ontario, Canada
| | - Juan Camilo Vargas-Gonzalez
- Heart & Brain Laboratory, Western University, London, Canada, Western University, London, Ontario, Canada.,Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, London, Ontario, Canada
| | - Luciano A Sposato
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Heart & Brain Laboratory, Western University, London, Canada, Western University, London, Ontario, Canada.,Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, London, Ontario, Canada.,Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, London, Ontario, Canada.,Robarts Research Institute, London, Ontario, Canada.,Lawson Health Research Institute, London, Ontario, Canada
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Grosse GM, Sieweke JT, Biber S, Ziegler NL, Gabriel MM, Schuppner R, Worthmann H, Bavendiek U, Weissenborn K. Nonstenotic Carotid Plaque in Embolic Stroke of Undetermined Source: Interplay of Arterial and Atrial Disease. Stroke 2020; 51:3737-3741. [PMID: 33040704 DOI: 10.1161/strokeaha.120.030537] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Approximately one-sixth of all ischemic strokes are attributable to embolic stroke of undetermined source (ESUS). Recent analyses suggest that atrial cardiopathy and nonstenotic carotid plaque (nsCP) may represent 2 distinct underlying causes in patients with ESUS, although both diseases share common risk factors and are pathophysiologically intertwined. In this study, we, therefore, aimed to search for associations between nsCP and markers of atrial remodeling and function in patients with embolic stroke. METHODS Sixty-eight patients with ESUS or atrial fibrillation (AF)-related stroke proven by imaging who underwent comprehensive echocardiographic studies, including measurements of left atrial function and remodeling, were considered. Patients with ESUS underwent a follow-up of at least 1 year after index stroke. For 20 patients with ESUS, NT-proBNP (N-terminal pro-B-type natriuretic peptide) values were available. Presence of nsCP was evaluated considering Duplex sonography and computed tomography angiography and was further categorized in possibly or probably symptomatic nsCP. RESULTS ESUS patients with nsCP tended to have higher values of septal and lateral total atrial conduction times (P=0.071 and P=0.072, respectively), left atrial volume index (P=0.077), and revealed significantly higher strain rates during early diastole (P=0.013) as well as higher NT-proBNP values (P=0.010) than ESUS patients without nsCP. Moreover, septal total atrial conduction time was significantly longer in ESUS patients with possibly symptomatic nsCP compared with those without (P=0.015). Comparison of ESUS with AF patients revealed significantly higher proportions of nsCP (P=0.010), possibly symptomatic nsCP (P=0.037), and probably symptomatic nsCP (P=0.036) in patients with atrial fibrillation-related stroke. In the regression analysis adjusted for vascular risk factors probably symptomatic nsCP remained significantly associated with AF (P=0.048, odds ratio: 4.46 [95% CI, 1.02-19.56]). CONCLUSIONS Presence of nsCP is associated with AF and markers of left atrial disease in patients with embolic stroke. Therefore, a thorough evaluation regarding atrial cardiopathy and AF in patients with ESUS should not be restricted if nsCP are found, even if high-risk plaque characteristics are evident.
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Affiliation(s)
- Gerrit M Grosse
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
| | - Jan-Thorben Sieweke
- Department of Cardiology and Angiology (J.-T.S., S.B., U.B.), Hannover Medical School, Germany
| | - Saskia Biber
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany.,Department of Cardiology and Angiology (J.-T.S., S.B., U.B.), Hannover Medical School, Germany
| | - Nora L Ziegler
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
| | - Maria M Gabriel
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
| | - Ramona Schuppner
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
| | - Hans Worthmann
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
| | - Udo Bavendiek
- Department of Cardiology and Angiology (J.-T.S., S.B., U.B.), Hannover Medical School, Germany
| | - Karin Weissenborn
- Department of Neurology (G.M.G., S.B., N.L.Z., M.M.G., R.S., H.W., K.W.), Hannover Medical School, Germany
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Grosse GM, Schwedhelm E, Worthmann H, Choe CU. Arginine Derivatives in Cerebrovascular Diseases: Mechanisms and Clinical Implications. Int J Mol Sci 2020; 21:ijms21051798. [PMID: 32150996 PMCID: PMC7084464 DOI: 10.3390/ijms21051798] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/27/2020] [Accepted: 03/01/2020] [Indexed: 02/07/2023] Open
Abstract
The amino acid L-arginine serves as substrate for the nitric oxide synthase which is crucial in vascular function and disease. Derivatives of arginine, such as asymmetric (ADMA) and symmetric dimethylarginine (SDMA), are regarded as markers of endothelial dysfunction and have been implicated in vascular disorders. While there is a variety of studies consolidating ADMA as biomarker of cerebrovascular risk, morbidity and mortality, SDMA is currently emerging as an interesting metabolite with distinct characteristics in ischemic stroke. In contrast to dimethylarginines, homoarginine is inversely associated with adverse events and mortality in cerebrovascular diseases and might constitute a modifiable protective risk factor. This review aims to provide an overview of the current evidence for the pathophysiological role of arginine derivatives in cerebrovascular ischemic diseases. We discuss the complex mechanisms of arginine metabolism in health and disease and its potential clinical implications in diverse aspects of ischemic stroke.
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Affiliation(s)
- Gerrit M. Grosse
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany;
- Correspondence:
| | - Edzard Schwedhelm
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, 20249 Hamburg, Germany;
- DZHK (Deutsches Zentrum für Herz-Kreislauf-Forschung e.V.), partner site Hamburg/Kiel/Lübeck, 20249 Hamburg, Germany
| | - Hans Worthmann
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany;
| | - Chi-un Choe
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20249 Hamburg, Germany;
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