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Tenberg A, Tahara N, Grewal A, Herrera A, Klein LM, Lebo R, Zink EK, Bahouth MN. Dysautonomia and activity in the early stroke recovery period. Neurol Sci 2024; 45:2505-2521. [PMID: 38246939 DOI: 10.1007/s10072-023-07289-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 12/22/2023] [Indexed: 01/23/2024]
Abstract
Maintaining cerebral perfusion in the early stages of recovery after stroke is paramount. Autoregulatory function may be impaired during this period leaving cerebral perfusion directly reliant on intravascular volume and blood pressure (BP) with increased risk for expanding cerebral infarction during periods of low BP and hemorrhagic transformation during BP elevations. We suspected that dysautonomia is common during the acute period related to both pre-existing vascular risk factors and potentially independent of such conditions. Thus, we sought to understand the state of the science specific to dysautonomia and acute stroke. The scoping review search included multiple databases and key terms related to acute stroke and dysautonomia. The team employed a rigorous review process to identify, evaluate, and summarize relevant literature. We additionally summarized common clinical approaches used to detect dysautonomia at the bedside. The purpose of this scoping review is to understand the state of the science for the identification, treatment, and impact of dysautonomia on acute stroke patient outcomes. There is a high prevalence of dysautonomia among persons with stroke, though there is significant variability in the type of measures and definitions used to diagnose dysautonomia. While dysautonomia appears to be associated with poor functional outcome and post-stroke complications, there is a paucity of high-quality evidence, and generalizability is limited by heterogenous approaches to these studies. There is a need to establish common definitions, standard measurement tools, and a roadmap for incorporating these measures into clinical practice so that larger studies can be conducted.
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Affiliation(s)
- Amelia Tenberg
- Brain Rescue Unit, Department of Neurology, Johns Hopkins School of Medicine, 600 N Wolfe St; Phipps 486, Baltimore, MD, 21287, USA
| | - Nozomi Tahara
- Department of Neuroscience Nursing, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Amit Grewal
- Department of Physical Medicine and Rehabilitation, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Alison Herrera
- Department of Physical Medicine and Rehabilitation, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Lisa M Klein
- Department of Neuroscience Nursing, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Rachael Lebo
- Johns Hopkins School of Medicine Welch Medical Library, Baltimore, MD, USA
| | - Elizabeth K Zink
- Brain Rescue Unit, Department of Neurology, Johns Hopkins School of Medicine, 600 N Wolfe St; Phipps 486, Baltimore, MD, 21287, USA
- Department of Neuroscience Nursing, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Mona N Bahouth
- Brain Rescue Unit, Department of Neurology, Johns Hopkins School of Medicine, 600 N Wolfe St; Phipps 486, Baltimore, MD, 21287, USA.
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Yao ZJ, Jiang YP, Yuan D, Hong P, He MJ, Li FX, Xu SY, Lin HB, Zhang HF. Decreased connexin 40 expression of the sinoatrial node mediates ischemic stroke-induced arrhythmia in mice. Exp Neurol 2024; 376:114773. [PMID: 38599368 DOI: 10.1016/j.expneurol.2024.114773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/23/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND Arrhythmia is the most common cardiac complication after ischemic stroke. Connexin 40 is the staple component of gap junctions, which influences the propagation of cardiac electrical signals in the sinoatrial node. However, the role of connexin 40 in post-stroke arrhythmia remains unclear. METHODS In this study, a permanent middle cerebral artery occlusion model was used to simulate the occurrence of an ischemic stroke. Subsequently, an electrocardiogram was utilized to record and assess variations in electrocardiogram measures. In addition, optical tissue clearing and whole-mount immunofluorescence staining were used to confirm the anatomical localization of the sinoatrial node, and the sinoatrial node tissue was collected for RNA sequencing to screen for potential pathological mechanisms. Lastly, the rAAV9-Gja5 virus was injected with ultrasound guidance into the heart to increase Cx40 expression in the sinoatrial node. RESULTS We demonstrated that the mice suffering from a permanent middle cerebral artery occlusion displayed significant arrhythmia, including atrial fibrillation, premature ventricular contractions, atrioventricular block, and abnormal electrocardiogram parameters. Of note, we observed a decrease in connexin 40 expression within the sinoatrial node after the ischemic stroke via RNA sequencing and western blot. Furthermore, rAAV9-Gja5 treatment ameliorated the occurrence of arrhythmia following stroke. CONCLUSIONS In conclusion, decreased connexin 40 expression in the sinoatrial node contributed to the ischemic stroke-induced cardiac arrhythmia. Therefore, enhancing connexin 40 expression holds promise as a potential therapeutic approach for ischemic stroke-induced arrhythmia.
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Affiliation(s)
- Zhi-Jun Yao
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Yan-Pin Jiang
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China; Department of Anesthesiology, The First Hospital Affiliated to the Army Medical University, Chongqing 400038, China
| | - Dan Yuan
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Pu Hong
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Meng-Jiao He
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Feng-Xian Li
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Shi-Yuan Xu
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Hong-Bin Lin
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
| | - Hong-Fei Zhang
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
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Mohammedi K, Fauchier L, Quignot N, Khachatryan A, Banon T, Kapnang R, Kikuchi K, Ren H, Massien C, Vigié L, Larsen S, Sibon I. Incidence of stroke, subsequent clinical outcomes and health care resource utilization in people with type 2 diabetes: a real-world database study in France: "INSIST" study. Cardiovasc Diabetol 2024; 23:183. [PMID: 38812009 PMCID: PMC11137927 DOI: 10.1186/s12933-024-02257-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 04/30/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND People with type 2 diabetes (T2D) are at elevated risk of cardiovascular disease (CVD) including stroke, yet existing real-world evidence (RWE) on the clinical and economic burden of stroke in this population is limited. The aim of this cohort study was to evaluate the clinical and economic burden of stroke among people with T2D in France. METHODS We conducted a retrospective RWE study using data from the nationally representative subset of the French Système National des Données de Santé (SNDS) database. We assessed the incidence of stroke requiring hospitalization between 2012 and 2018 among T2D patients. Subsequent clinical outcomes including CVD, stroke recurrence, and mortality were estimated overall and according to stroke subtype (ischemic versus hemorrhagic). We also examined the treatment patterns for glucose-lowering agents and CVD agents, health care resource utilization and medical costs. RESULTS Among 45,331 people with T2D without baseline history of stroke, 2090 (4.6%) had an incident stroke requiring hospitalization. The incidence of ischemic stroke per 1000 person-years was 4.9-times higher than hemorrhagic stroke (6.80 [95% confidence interval (CI) 6.47-7.15] versus 1.38 [1.24-1.54]). During a median follow-up of 2.4 years (interquartile range 0.6; 4.4) from date of index stroke, the rate of CVD, stroke recurrence and mortality per 1000 person-years was higher among hemorrhagic stroke patients than ischemic stroke patients (CVD 130.9 [107.7-159.0] versus 126.4 [117.2-136.4]; stroke recurrence: 86.7 [66.4-113.4] versus 66.5 [59.2-74.6]; mortality 291.5 [259.1-327.9] versus 144.1 [134.3-154.6]). These differences were not statistically significant, except for mortality (adjusted hazard ratio 1.95 [95% CI 1.66-2.92]). The proportion of patients prescribed glucagon-like peptide-1 receptor agonists increased from 4.2% at baseline to 6.6% during follow-up. The proportion of patients prescribed antihypertensives and statins only increased slightly following incident stroke (antihypertensives: 70.9% pre-stroke versus 76.7% post-stroke; statins: 24.1% pre-stroke versus 30.0% post-stroke). Overall, 68.8% of patients had a subsequent hospitalization. Median total medical costs were €12,199 (6846; 22,378). CONCLUSIONS The high burden of stroke among people with T2D, along with the low proportion of patients receiving recommended treatments as per clinical guidelines, necessitates a strengthened and multidisciplinary approach to the CVD prevention and management in people with T2D.
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Affiliation(s)
- Kamel Mohammedi
- INSERM Unit 1034, Biology of Cardiovascular Diseases, Bordeaux University Hospital, 33000, Bordeaux, France.
- Department of Endocrinology, Diabetes, and Nutrition, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, PESSAC CEDEX, France.
| | - Laurent Fauchier
- Cardiology Department, Trousseau University Hospital, Tours, University of Tours, Tours, France
| | | | | | - Tamar Banon
- Evidence & Access, Certara Canada, Montreal, QC, Canada
| | | | | | - Hongye Ren
- Novo Nordisk Denmark A/S, Copenhagen, Denmark
| | | | | | - Sara Larsen
- Novo Nordisk Denmark A/S, Copenhagen, Denmark
| | - Igor Sibon
- Stroke Unit, Bordeaux University Hospital, Bordeaux, France
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4
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Fu Z, Ma X, Zhao X, Du X, Wan Y. Associations between Total Atherosclerosis Burden of Baroreceptor-Resident Arteries and ECG Abnormalities after Acute Ischemic Stroke. Brain Sci 2024; 14:505. [PMID: 38790483 PMCID: PMC11118932 DOI: 10.3390/brainsci14050505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/10/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Electrocardiogram (ECG) abnormalities are the most common cardiac complications after acute ischemic stroke (AIS) and predict poor outcomes. The arterial baroreflex is an essential determinant of cardiovascular autonomic regulation, with receptors mainly residing in carotid sinuses and aortic arch. The atherosclerosis of these baroreceptor-resident arteries (BRA) is very common in AIS patients and might impair baroreflex function. However, the associations between the atherosclerosis of BRA and ECG abnormalities after AIS are still unknown. In total, 228 AIS patients within 7 days after onset without a pre-existing heart disease were prospectively recruited. With computed tomography angiography, atherosclerosis conditions in 10 segments of the carotid sinuses and aortic arch were scored and summed as the Total Atherosclerosis Burden of BRA (TAB-BRA), and asymptomatic coronary artery stenosis (ACAS) ≥50% was simultaneously assessed. We performed 12-lead ECG to dynamically detect abnormal repolarization, and 24 h Holter ECG to monitor arrhythmias and heart rate variability (HRV) parameters, which are reliable indicators to assess cardiac autonomic function. We found that TAB-BRA was positively associated with abnormal repolarization (OR 1.09; CI% 1.03-1.16; p = 0.003) and serious cardiac arrhythmias (OR 1.08; CI% 1.01-1.15; p = 0.021). In addition, TAB-BRA was an important predictor of abnormal repolarization, persisting over 3 days (OR 1.17; CI% 1.05-1.30; p = 0.003). However, ACAS ≥ 50% did not relate to these ECG abnormalities. TAB-BRA was negatively correlated with parasympathetic-related HRV parameters. Our results indicated that AIS patients with a high TAB-BRA are more likely to have ECG abnormalities and delayed normalization, which may relate to the decreased cardiac parasympathetic activity, but not the accompanied ACAS ≥ 50%.
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Affiliation(s)
- Zhiyong Fu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun St., Beijing 100053, China
- National Clinical Research Center for Geriatric Disorders, Beijing 100053, China
- Clinical Center for Cardio-Cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Xin Ma
- Department of Neurology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun St., Beijing 100053, China
- National Clinical Research Center for Geriatric Disorders, Beijing 100053, China
- Clinical Center for Cardio-Cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Xiaoxi Zhao
- Department of Neurology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun St., Beijing 100053, China
- National Clinical Research Center for Geriatric Disorders, Beijing 100053, China
- Clinical Center for Cardio-Cerebrovascular Disease, Capital Medical University, Beijing 100053, China
| | - Xiangying Du
- Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Yungao Wan
- Department of Cardiology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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5
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Fan X, Cao J, Li M, Zhang D, El‐Battrawy I, Chen G, Zhou X, Yang G, Akin I. Stroke Related Brain-Heart Crosstalk: Pathophysiology, Clinical Implications, and Underlying Mechanisms. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307698. [PMID: 38308187 PMCID: PMC11005719 DOI: 10.1002/advs.202307698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/09/2024] [Indexed: 02/04/2024]
Abstract
The emergence of acute ischemic stroke (AIS) induced cardiovascular dysfunctions as a bidirectional interaction has gained paramount importance in understanding the intricate relationship between the brain and heart. Post AIS, the ensuing cardiovascular dysfunctions encompass a spectrum of complications, including heart attack, congestive heart failure, systolic or diastolic dysfunction, arrhythmias, electrocardiographic anomalies, hemodynamic instability, cardiac arrest, among others, all of which are correlated with adverse outcomes and mortality. Mounting evidence underscores the intimate crosstalk between the heart and the brain, facilitated by intricate physiological and neurohumoral complex networks. The primary pathophysiological mechanisms contributing to these severe cardiac complications involve the hypothalamic-pituitary-adrenal (HPA) axis, sympathetic and parasympathetic hyperactivity, immune and inflammatory responses, and gut dysbiosis, collectively shaping the stroke-related brain-heart axis. Ongoing research endeavors are concentrated on devising strategies to prevent AIS-induced cardiovascular dysfunctions. Notably, labetalol, nicardipine, and nitroprusside are recommended for hypertension control, while β-blockers are employed to avert chronic remodeling and address arrhythmias. However, despite these therapeutic interventions, therapeutic targets remain elusive, necessitating further investigations into this complex challenge. This review aims to delineate the state-of-the-art pathophysiological mechanisms in AIS through preclinical and clinical research, unraveling their intricate interplay within the brain-heart axis, and offering pragmatic suggestions for managing AIS-induced cardiovascular dysfunctions.
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Affiliation(s)
- Xuehui Fan
- Key Laboratory of Medical ElectrophysiologyMinistry of Education and Medical Electrophysiological Key Laboratory of Sichuan ProvinceCollaborative Innovation Center for Prevention of Cardiovascular DiseasesInstitute of Cardiovascular ResearchSouthwest Medical UniversityLuzhou646000China
- CardiologyAngiologyHaemostaseologyand Medical Intensive CareMedical Centre MannheimMedical Faculty MannheimHeidelberg University68167HeidelbergGermany
- European Center for AngioScience (ECAS)German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheimand Centre for Cardiovascular Acute Medicine Mannheim (ZKAM)Medical Centre MannheimHeidelberg University68167HeidelbergGermany
| | - Jianyang Cao
- School of Physical EducationSouthwest Medical UniversityLuzhouSichuan Province646000China
- Acupuncture and Rehabilitation DepartmentThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou646000China
| | - Mingxia Li
- School of Physical EducationSouthwest Medical UniversityLuzhouSichuan Province646000China
- Acupuncture and Rehabilitation DepartmentThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou646000China
| | - Dechou Zhang
- Department of NeurologyThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou646000China
| | - Ibrahim El‐Battrawy
- Department of Cardiology and AngiologyRuhr University44780BochumGermany
- Institut für Forschung und Lehre (IFL)Department of Molecular and Experimental CardiologyRuhr‐University Bochum44780BochumGermany
| | - Guiquan Chen
- Acupuncture and Rehabilitation DepartmentThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou646000China
| | - Xiaobo Zhou
- Key Laboratory of Medical ElectrophysiologyMinistry of Education and Medical Electrophysiological Key Laboratory of Sichuan ProvinceCollaborative Innovation Center for Prevention of Cardiovascular DiseasesInstitute of Cardiovascular ResearchSouthwest Medical UniversityLuzhou646000China
- CardiologyAngiologyHaemostaseologyand Medical Intensive CareMedical Centre MannheimMedical Faculty MannheimHeidelberg University68167HeidelbergGermany
- European Center for AngioScience (ECAS)German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheimand Centre for Cardiovascular Acute Medicine Mannheim (ZKAM)Medical Centre MannheimHeidelberg University68167HeidelbergGermany
| | - Guoqiang Yang
- CardiologyAngiologyHaemostaseologyand Medical Intensive CareMedical Centre MannheimMedical Faculty MannheimHeidelberg University68167HeidelbergGermany
- European Center for AngioScience (ECAS)German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheimand Centre for Cardiovascular Acute Medicine Mannheim (ZKAM)Medical Centre MannheimHeidelberg University68167HeidelbergGermany
- Acupuncture and Rehabilitation DepartmentThe Affiliated Traditional Chinese Medicine Hospital of Southwest Medical UniversityLuzhou646000China
| | - Ibrahim Akin
- CardiologyAngiologyHaemostaseologyand Medical Intensive CareMedical Centre MannheimMedical Faculty MannheimHeidelberg University68167HeidelbergGermany
- European Center for AngioScience (ECAS)German Center for Cardiovascular Research (DZHK) Partner Site Heidelberg/Mannheimand Centre for Cardiovascular Acute Medicine Mannheim (ZKAM)Medical Centre MannheimHeidelberg University68167HeidelbergGermany
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6
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Maayah M, Grubman S, Allen S, Ye Z, Park DY, Vemmou E, Gokhan I, Sun WW, Possick S, Kwan JM, Gandhi PU, Hu JR. Clinical Interpretation of Serum Troponin in the Era of High-Sensitivity Testing. Diagnostics (Basel) 2024; 14:503. [PMID: 38472975 DOI: 10.3390/diagnostics14050503] [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: 01/01/2024] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 03/14/2024] Open
Abstract
Cardiac troponin (Tn) plays a central role in the evaluation of patients with angina presenting with acute coronary syndrome. The advent of high-sensitivity assays has improved the analytic sensitivity and precision of serum Tn measurement, but this advancement has come at the cost of poorer specificity. The role of clinical judgment is of heightened importance because, more so than ever, the interpretation of serum Tn elevation hinges on the careful integration of findings from electrocardiographic, echocardiographic, physical exam, interview, and other imaging and laboratory data to formulate a weighted differential diagnosis. A thorough understanding of the epidemiology, mechanisms, and prognostic implications of Tn elevations in each cardiac and non-cardiac etiology allows the clinician to better distinguish between presentations of myocardial ischemia and myocardial injury-an important discernment to make, as the treatment of acute coronary syndrome is vastly different from the workup and management of myocardial injury and should be directed at the underlying cause.
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Affiliation(s)
- Marah Maayah
- Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Scott Grubman
- Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Stephanie Allen
- Department of Internal Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Zachary Ye
- Department of Internal Medicine, Temple University Medical Center, Philadelphia, PA 19140, USA
| | - Dae Yong Park
- Department of Internal Medicine, Cook County Hospital, Chicago, IL 60612, USA
| | - Evangelia Vemmou
- Department of Internal Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Ilhan Gokhan
- Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Wendy W Sun
- Department of Emergency Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Stephen Possick
- Section of Cardiovascular Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Jennifer M Kwan
- Section of Cardiovascular Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
| | - Parul U Gandhi
- Section of Cardiovascular Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
- Department of Cardiology, Veterans Affairs Connecticut Health Care System, West Haven, CT 06516, USA
| | - Jiun-Ruey Hu
- Section of Cardiovascular Medicine, Yale School of Medicine, Yale University, New Haven, CT 06520, USA
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7
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Doehner W, Böhm M, Boriani G, Christersson C, Coats AJS, Haeusler KG, Jones ID, Lip GYH, Metra M, Ntaios G, Savarese G, Shantsila E, Vilahur G, Rosano G. Interaction of heart failure and stroke: A clinical consensus statement of the ESC Council on Stroke, the Heart Failure Association (HFA) and the ESC Working Group on Thrombosis. Eur J Heart Fail 2023; 25:2107-2129. [PMID: 37905380 DOI: 10.1002/ejhf.3071] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 10/06/2023] [Accepted: 10/16/2023] [Indexed: 11/02/2023] Open
Abstract
Heart failure (HF) is a major disease in our society that often presents with multiple comorbidities with mutual interaction and aggravation. The comorbidity of HF and stroke is a high risk condition that requires particular attention to ensure early detection of complications, efficient diagnostic workup, close monitoring, and consequent treatment of the patient. The bi-directional interaction between the heart and the brain is inherent in the pathophysiology of HF where HF may be causal for acute cerebral injury, and - in turn - acute cerebral injury may induce or aggravate HF via imbalanced neural and neurovegetative control of cardiovascular regulation. The present document represents the consensus view of the ESC Council on Stroke, the Heart Failure Association and the ESC Working Group on Thrombosis to summarize current insights on pathophysiological interactions of the heart and the brain in the comorbidity of HF and stroke. Principal aspects of diagnostic workup, pathophysiological mechanisms, complications, clinical management in acute conditions and in long-term care of patients with the comorbidity are presented and state-of-the-art clinical management and current evidence from clinical trials is discussed. Beside the physicians perspective, also the patients values and preferences are taken into account. Interdisciplinary cooperation of cardiologists, stroke specialists, other specialists and primary care physicians is pivotal to ensure optimal treatment in acute events and in continued long-term treatment of these patients. Key consensus statements are presented in a concise overview on mechanistic insights, diagnostic workup, prevention and treatment to inform clinical acute and continued care of patients with the comorbidity of HF and stroke.
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Affiliation(s)
- Wolfram Doehner
- Berlin Institute of Health Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Deutsches Herzzentrum der Charité, Department of Cardiology (Campus Virchow) and German Centre for Cardiovascular Research (DZHK) partner site Berlin, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Michael Böhm
- Universitätsklinikum des Saarlandes, Klinik für Innere Medizin III, Saarland University (Kardiologie, Angiologie und Internistische Intensivmedizin), Homburg, Germany
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | | | | | - Karl Georg Haeusler
- Department of Neurology, Universitätsklinikum Würzburg (UKW), Würzburg, Germany
| | - Ian D Jones
- Liverpool Centre for Cardiovascular Science, School of Nursing and Allied Health, Liverpool John Moores University, Liverpool, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, UK
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Marco Metra
- Cardiology, ASST Spedali Civili and Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy
| | - George Ntaios
- Department of Internal Medicine, School of Health Sciences, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Gianluigi Savarese
- Division of Cardiology, Department of Medicine, Karolinska Institutet, Heart and Vascular and Neuro Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Eduard Shantsila
- Department of Primary Care, University of Liverpool, Liverpool, UK
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Gemma Vilahur
- Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau and CIBERCV, Barcelona, Spain
| | - Giuseppe Rosano
- St George's University Hospital, London, UK, San Raffaele Cassino, Rome, Italy
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8
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Nistor IR, Gherasim L. From Neurocardiology to Stroke-Heart Syndrome. ROMANIAN JOURNAL OF INTERNAL MEDICINE = REVUE ROUMAINE DE MEDECINE INTERNE 2023; 61:177-185. [PMID: 37540842 DOI: 10.2478/rjim-2023-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Indexed: 08/06/2023]
Abstract
The Stroke-Heart syndrome is a major chapter in neurocardiology. Both brain-heart and stroke-heart correlations are based on neurophysiological studies that define and describe the relation between the central autonomic system and cardiac function and it will be presented in this narrative review. The Stroke-Heart syndrome groups the entire spectrum of cardiac changes - clinical, ECG, echocardiographic, biological, morphological - that occur in the first 30 days from the onset of stroke, especially in the first days. Their presence significantly marks the evolution and prognosis of stroke. The damage resulted from hypothalamus-pituitary-adrenal axis activation and high catecholamine release (adrenergic storm) targets mainly the myocyte and the microcirculation.The Takotsubo syndrome and Stunned myocardium are distinct forms of neurogenic myocardial ischemia - with changes in ECG, parietal motility, and biological markers - usually reversible although evolution towards cardiac dysfunction is also possible. The concept of Stroke-Heart syndrome and the brain-heart correlation brought new scientific information regarding stress cardiomyopathy or neurogenic myocardial injury.
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Affiliation(s)
- Ileana Raluca Nistor
- 1Neurology Clinic, "Carol Davila" University of Medicine and Farmacy, Bucharest, Romania
| | - Leonida Gherasim
- 2Cardiology Clinic, "Carol Davila" University of Medicine and Farmacy, Bucharest, Romania
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9
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Brea D. Post-stroke immunosuppression: Exploring potential implications beyond infections. Eur J Neurosci 2023; 58:4269-4281. [PMID: 37857561 DOI: 10.1111/ejn.16174] [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: 08/09/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/21/2023]
Abstract
Stroke is a leading cause of mortality and disability. It occurs when cerebral blood flow is disrupted via vascular occlusion or rupture, causing tissue damage. Research has extensively examined the role of the immune response in stroke pathophysiology, focusing on infiltrated immune cells and inflammatory molecules. However, the stroke's impact on immune physiology remains underexplored. While initially stroke triggers the activation of peripheral inflammation, a subsequent profound immunosuppression occurs in a matter of hours/days. This response, potentially shielding the brain from excessive inflammation, significantly affects stroke patients. Beyond rendering patients more susceptible to infections, immunosuppression generates diverse consequences by disrupting immune system functions that are crucial for organ homeostasis. This review explores the effects of immunosuppression on stroke patients, shedding light on potential issues in immune organs such as the spleen and bone marrow, as well as non-immune organs like the small intestine, liver and heart. By synthesizing existing literature and offering additional insights, this manuscript highlights the multifaceted impact of post-stroke immunosuppression.
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Affiliation(s)
- David Brea
- Department of Neuroscience and Experimental Therapeutics, Instituto de Investigaciones Biomédicas de Barcelona (IIBB), Consejo Superior de Investigaciones Científcas (CSIC), Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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10
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Zheng J, Ma Y, Guo X, Wu J. Immunological characterization of stroke-heart syndrome and identification of inflammatory therapeutic targets. Front Immunol 2023; 14:1227104. [PMID: 37965346 PMCID: PMC10642553 DOI: 10.3389/fimmu.2023.1227104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Acute cardiac dysfunction caused by stroke-heart syndrome (SHS) is the second leading cause of stroke-related death. The inflammatory response plays a significant role in the pathophysiological process of cardiac damage. However, the mechanisms underlying the brain-heart interaction are poorly understood. Therefore, we aimed to analysis the immunological characterization and identify inflammation therapeutic targets of SHS. We analyzed gene expression data of heart tissue 24 hours after induction of ischemia stoke by MCAO or sham surgery in a publicly available dataset (GSE102558) from Gene Expression Omnibus (GEO). Bioinformatics analysis revealed 138 differentially expressed genes (DEGs) in myocardium of MCAO-treated compared with sham-treated mice, among which, immune and inflammatory pathways were enriched. Analysis of the immune cells infiltration showed that the natural killer cell populations were significantly different between the two groups. We identified five DIREGs, Aplnr, Ccrl2, Cdkn1a, Irak2, and Serpine1 and found that their expression correlated with specific populations of infiltrating immune cells in the cardiac tissue. RT-qPCR and Western blot methods confirmed significant changes in the expression levels of Aplnr, Cdkn1a, Irak2, and Serpine1 after MCAO, which may serve as therapeutic targets to prevent cardiovascular complications after stroke.
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Affiliation(s)
- Junyi Zheng
- Department of Cardiology, Tianjin Chest Hospital, Tianjin Institute of Cardiovascular Disease, Tianjin, China
- Chest Hospital, Tianjin University, Tianjin, China
| | - Yilin Ma
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, China
| | - Xukun Guo
- Department of Cardiology, Tianjin Chest Hospital, Tianjin Institute of Cardiovascular Disease, Tianjin, China
- Chest Hospital, Tianjin University, Tianjin, China
| | - Jialing Wu
- Department of Neurology, Department of Rehabilitation Medicine, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin, China
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11
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Tsunetoshi C, Tsunetoshi K, Komori O, Higashino Y, Isozaki M, Arai Y, Arai H, Yamada S, Arishima H, Hasegawa M, Kikuta K. Factors affecting reasonable duration of continuous electrocardiographic monitoring to detect atrial fibrillation in acute ischemic stroke. J Stroke Cerebrovasc Dis 2023; 32:107173. [PMID: 37186969 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND To examine the reasonable duration of continuous electrocardiographic monitoring (CEM) to detect AF at acute ischemic stroke. MATERIALS AND METHOD 811 consecutive patients admitted to Tsuruga Municipal Hospital by acute ischemic stroke between April 2013 and December 2021 were enrolled in this study. Excluding 78 patients, 733 patients were analyzed by cluster analysis with SurvCART algorithm, followed by Kaplan-Meier analysis. RESULTS The analysis provided step graphs for 8 subgroups. The duration of CEM to achieve the sensitivity of 0.8, 0.9, and 0.95 in each could be calculated. The duration of CEM to achieve the sensitivity of 0.8 are 18 days in female patients with heart failure (HF) (subgroup 1), 24 days in male patients with HF (subgroup 2), 22 days in patients without HF with arterial occlusion and pulse rate (PR) more than 91 (subgroup 3), 24 days in patients without HF with occlusion with PR less than 91 (subgroup 4), 18 days in patients without HF without occlusion with lacuna (subgroup 5), 26 days in patients without HF, occlusion, and lacuna, with arterial stenosis (subgroup 6), 15 days in patients without HF, occlusion, lacuna, and stenosis with BMI more than 21%(subgroup 7), and 44 days in patients without HF, occlusion, lacuna, stenosis and with BMI less than 21% (subgroup 8). CONCLUSIONS Duration of CEM with the sensitivity of 0.8, 0.9, and 0.95 could be determined by presence of HF, female sex, arterial occlusion, PR more than 91/minute, presence of lacuna, presence of stenosis, and BMI more than 21%. (250).
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Affiliation(s)
- Chie Tsunetoshi
- Department of Community Health Nursing, Division of Nursing, Faculty of Medical Sciences, University of Fukui, Japan
| | - Kenzo Tsunetoshi
- Department of Neurosurgery, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Osamu Komori
- Department of Computer and Information Science, Faculty of Science and Technology, Seikei University, Japan; School of Statistical Thinking, The Institute of Statistical Mathematics, Japan
| | - Yoshifumi Higashino
- Department of Neurosurgery, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Makoto Isozaki
- Department of Neurosurgery, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Yoshikazu Arai
- Department of Neurosurgery, Tsuruga Municipal Hospital, Japan
| | - Hiroshi Arai
- Department of Neurosurgery, Sugita Genpaku Memorial Obama Municipal Hospital, Japan
| | - Shintaro Yamada
- Department of Neurosurgery, Tsuruga Municipal Hospital, Japan
| | - Hidetaka Arishima
- Department of Neurosurgery, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Mika Hasegawa
- Department of Community Health Nursing, Division of Nursing, Faculty of Medical Sciences, University of Fukui, Japan
| | - Kenichiro Kikuta
- Department of Neurosurgery, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Japan.
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12
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Nelde A, Klammer MG, Nolte CH, Stengl H, Krämer M, von Rennenberg R, Meisel A, Scheibe F, Endres M, Scheitz JF, Meisel C. Data lake-driven analytics identify nocturnal non-dipping of heart rate as predictor of unfavorable stroke outcome at discharge. J Neurol 2023:10.1007/s00415-023-11718-x. [PMID: 37079032 DOI: 10.1007/s00415-023-11718-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/21/2023]
Abstract
BACKGROUND Post-stroke heart rate (HR) and heart rate variability (HRV) changes have been proposed as outcome predictors after stroke. We used data lake-enabled continuous electrocardiograms to assess post-stroke HR and HRV, and to determine the utility of HR and HRV to improve machine learning-based predictions of stroke outcome. METHODS In this observational cohort study, we included stroke patients admitted to two stroke units in Berlin, Germany, between October 2020 and December 2021 with final diagnosis of acute ischemic stroke or acute intracranial hemorrhage and collected continuous ECG data through data warehousing. We created circadian profiles of several continuously recorded ECG parameters including HR and HRV parameters. The pre-defined primary outcome was short-term unfavorable functional outcome after stroke indicated through modified Rankin Scale (mRS) score of > 2. RESULTS We included 625 stroke patients, 287 stroke patients remained after matching for age and National Institute of Health Stroke Scale (NIHSS; mean age 74.5 years, 45.6% female, 88.9% ischemic, median NIHSS 5). Both higher HR and nocturnal non-dipping of HR were associated with unfavorable functional outcome (p < 0.01). The examined HRV parameters were not associated with the outcome of interest. Nocturnal non-dipping of HR ranked highly in feature importance of various machine learning models. CONCLUSIONS Our data suggest that a lack of circadian HR modulation, specifically nocturnal non-dipping, is associated with short-term unfavorable functional outcome after stroke, and that including HR into machine learning-based prediction models may lead to improved stroke outcome prediction.
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Affiliation(s)
- Alexander Nelde
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
| | - Markus G Klammer
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
| | - Christian H Nolte
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Helena Stengl
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | | | - Regina von Rennenberg
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
- German Center for Neurodegenerative Diseases (DZNE), Partner Site Berlin, Berlin, Germany
| | - Andreas Meisel
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- NeuroCure Clinical Research Center, Berlin, Germany
| | - Franziska Scheibe
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Matthias Endres
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Center for Neurodegenerative Diseases (DZNE), Partner Site Berlin, Berlin, Germany
| | - Jan F Scheitz
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany
- Center for Stroke Research Berlin, Berlin, Germany
| | - Christian Meisel
- Department of Neurology with Experimental Neurology, Charité-Universitätsmedizin Berlin, Bonhoefferweg 3, 10117, Berlin, Germany.
- Center for Stroke Research Berlin, Berlin, Germany.
- Berlin Institute of Health, Berlin, Germany.
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, Berlin, Germany.
- Bernstein Center for Computational Neuroscience, Berlin, Germany.
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13
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Davidsen JM, Skals R, Dalgaard F, Tayal B, Torp-Pedersen C, Søgaard P, Lee CJY. Recurrent syncope in patients with a pacemaker and bradyarrhythmia. SCAND CARDIOVASC J 2023; 57:1-7. [DOI: 10.1080/14017431.2022.2139860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Regitze Skals
- Unit of Clinical Biostatistics Aalborg University Hospital, Aalborg, Denmark
| | - Frederik Dalgaard
- Department of Cardiology, Herlev & Gentofte Hospital, Hellerup, Denmark
| | - Bhupendar Tayal
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Christian Torp-Pedersen
- Department of Cardiology and Clinical Research, Nordsjaellands University Hospital, Hillerød, Denmark
| | - Peter Søgaard
- Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
| | - Christina Ji-Young Lee
- Department of Cardiology and Clinical Research, Nordsjaellands University Hospital, Hillerød, Denmark
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14
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Saengmanee T, Thiankhaw K, Tanprawate S, Soontornpun A, Wantaneeyawong C, Teekaput C, Sirimaharaj N, Nudsasarn A. A Simplified Risk Score to Predict In-Hospital Newly-Diagnosed Atrial Fibrillation in Acute Ischemic Stroke Patients. Int J Gen Med 2023; 16:1363-1373. [PMID: 37096200 PMCID: PMC10122483 DOI: 10.2147/ijgm.s406546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/11/2023] [Indexed: 04/26/2023] Open
Abstract
Purpose Atrial fibrillation (AF) is a significant cause of stroke, and newly diagnosed AF (NDAF) is typically detected in the early period of stroke onset. We aimed to identify the factors associated with in-hospital NDAF in acute ischemic stroke patients and developed a simplified clinical prediction model. Methods Patients with cryptogenic stroke aged 18 years or older who were admitted between January 2017 and December 2021 were recruited. NDAF was determined by inpatient cardiac telemetry. Univariable and multivariable regression analyses were used to evaluate the factors associated with in-hospital NDAF. The predictive model was developed using regression coefficients. Results The study enrolled 244 eligible participants, of which 52 NDAFs were documented (21.31%), and the median time to detection was two days (1-3.5). After multivariable regression analysis, parameters significantly associated with in-hospital NDAF were elderly (>75 years) (adjusted Odds ratio, 2.99; 95% confident interval, 1.51-5.91; P = 0.002), female sex (2.08; 1.04-4.14; P = 0.04), higher admission national institute of health stroke scale (1.04; 1.00-1.09; P = 0.05), and presence of hyperdense middle cerebral artery sign (2.33; 1.13-4.79; P = 0.02). The area under the receiver operating characteristic curve resulted in 0.74 (95% CI 0.65-0.80), and the cut-point of 2 showed 87% sensitivity and 42% specificity. Conclusion The validated and simplified risk scores for predicting in-hospital NDAF primarily rely on simplified parameters and high sensitivity. It might be used as a screening tool for in-hospital NDAF in stroke patients who initially presumed cryptogenic stroke.
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Affiliation(s)
- Thanachporn Saengmanee
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kitti Thiankhaw
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Correspondence: Kitti Thiankhaw, Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, 110, Inthawaroros Road, Sriphum, Chiang Mai, 50200, Thailand, Tel +66 5393 5899, Fax +66 5393 5481, Email ;
| | - Surat Tanprawate
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Atiwat Soontornpun
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chayasak Wantaneeyawong
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chutithep Teekaput
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nopdanai Sirimaharaj
- Division of Neurology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Angkana Nudsasarn
- The Northern Neuroscience Centre, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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15
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Ziaka M, Exadaktylos A. The Heart Is at Risk: Understanding Stroke-Heart-Brain Interactions with Focus on Neurogenic Stress Cardiomyopathy-A Review. J Stroke 2023; 25:39-54. [PMID: 36592971 PMCID: PMC9911836 DOI: 10.5853/jos.2022.02173] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 11/14/2022] [Indexed: 01/04/2023] Open
Abstract
In recent years, it has been convincingly demonstrated that acute brain injury may cause severe cardiac complications-such as neurogenic stress cardiomyopathy (NSC), a specific form of takotsubo cardiomyopathy. The pathophysiology of these brain-heart interactions is complex and involves sympathetic hyperactivity, activation of the hypothalamic-pituitary-adrenal axis, as well as immune and inflammatory pathways. There have been great strides in our understanding of the axis from the brain to the heart in patients with isolated acute brain injury and more specifically in patients with stroke. On the other hand, in patients with NSC, research has mainly focused on hemodynamic dysfunction due to arrhythmias, regional wall motion abnormality, or left ventricular hypokinesia that leads to impaired cerebral perfusion pressure. Comparatively little is known about the underlying secondary and delayed cerebral complications. The aim of the present review is to describe the stroke-heart-brain axis and highlight the main pathophysiological mechanisms leading to secondary and delayed cerebral injury in patients with concurrent hemorrhagic or ischemic stroke and NSC as well as to identify further areas of research that could potentially improve outcomes in this specific patient population.
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Affiliation(s)
- Mairi Ziaka
- Department of Internal Medicine, Thun General Hospital, Thun, Switzerland,Correspondence: Mairi Ziaka Department of Internal Medicine, Thun General Hospital, Krankenhausstrasse 12, 3600, Thun, Switzerland Tel: +0041636582967 E-mail:
| | - Aristomenis Exadaktylos
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, Bern, Switzerland
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16
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Schwamm LH, Kamel H, Granger CB, Piccini JP, Katz JM, Sethi PP, Sidorov EV, Kasner SE, Silverman SB, Merriam TT, Franco N, Ziegler PD, Bernstein RA, Abi-Samra F, Acosta I, Al Balushi A, Al-Awwad A, Alimohammad R, Alkahalifah M, Allred J, Alsorogi M, Arias V, Aroor S, Arora R, Asdaghi N, Asi K, Assar M, Badhwar N, Banchs J, Bansal S, Barrett C, Beaver B, Beldner S, Belt G, Bernabei M, Bernard M, Bhatt N, Black J, Bledsoe D, Bonaguidi H, Bonyak K, Boyd C, Cajavilca C, Caprio F, Carter J, Chancellor B, Chang C, Chaudhary G, Chaudhary S, Cheung P, Ching M, Chinitz L, Chiu D, Chokhawala H, Choudhuri I, Choudry S, Clayton S, Cross J, Cucchiara B, Culpepper A, Daniels J, Dash S, Del Brutto V, Deline C, Delpirou Nouh C, Deo R, Dhamoon M, Dillon G, Donsky A, Doshi A, Downey A, Dukkipati S, Epstein L, Etherton M, Fara M, Fayad PB, Felberg R, Flaster M, Frankel D, Furer S, Gadhia R, Gadient P, Garabelli P, Gibson D, Glotzer T, Goltz D, Gordon D, Graner S, Graybeal D, Grimes MR, Guerrero W, Hanna J, Hao Q, Hasabnis S, Hasan R, Heist EK, Horowitz D, Hourihane JM, Hussein H, Ishida K, Ismail H, Jadonath R, Jamal S, Jamnadas P, Jia J, Johnson M, Jung R, Kalafut M, Kalia J, Kandel A, Kasner S, Katz L, Katz J, Kaur G, Kearney M, Khatib S, Kim S, Kim C, Kipta J, Koch S, Koruth J, Kreger H, Krueger K, Kurian C, LaFranchise E, Lambrakos L, Langan MN, Lee R, Libman R, Lillemoe K, Logan W, Lord A, Lubitz S, Luciano J, Lynch J, Maccaro PC, Magadan A, Magun R, Malik M, Malik A, Manda S, Marulanda-Londono E, Matos Diaz I, Mattera B, McCall-Brown A, Mcclelland N, Meisel K, Memon Z, Mendelson S, Mendoza I, Merriam T, Messe S, Miles WM, Miller M, Mir O, Mitrani R, Morin D, Morris K, Moussavi M, Mowla A, Moye S, Mullen M, Mullins S, Neisen K, Nguyen C, Niazi I, Olson N, Olsovsky G, Ortiz G, Ostrander M, Pakala A, Parker B, Parker M, Passman R, Patel A, Patel A, Pickett RA(D, Polin G, Radoslovich G, Ramano J, Rami T, Ramirez D, Rasmussen J, Ray B, Reddy V, Reddy R, Reeves R, Regenhardt R, Rempe D, Rogers P, Rogers J, Rowe S, Rowley C, Ruff I, Sackett M, Sajjad R, Salem R, Saltzman M, Santangeli P, Saucedo S, Sawyer R, Schaller R, Seeger S, Sethi P, Shang T, Sharma J, Sharma R, Sheinart K, Shukla G, Shultz J, Sidorov E, Silverman S, Simonson J, Singh D, Skalabrin E, Sloane K, Smith M, Smith W, Soik D, Stavrakis S, Stein L, Steinberg JS, Sur N, Switzer D, Talpur N, Tansy A, Tempro K, Thavapalan V, Thomas A, Thomas K, Torres J, Torres L, Tuhrim S, Uddin P, Vidal G, Viswanathan A, Volpi J, Ward K, Weinberger J, Whang W, Wilder M, Willner J, Wright P, Yuan Q, Zhang C, Zhu D, Zide K, Zimmerman J, Zweifler R. Predictors of Atrial Fibrillation in Patients With Stroke Attributed to Large- or Small-Vessel Disease: A Prespecified Secondary Analysis of the STROKE AF Randomized Clinical Trial. JAMA Neurol 2023; 80:99-103. [PMID: 36374508 PMCID: PMC9664367 DOI: 10.1001/jamaneurol.2022.4038] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Importance The Stroke of Known Cause and Underlying Atrial Fibrillation (STROKE AF) trial found that approximately 1 in 8 patients with recent ischemic stroke attributed to large- or small-vessel disease had poststroke atrial fibrillation (AF) detected by an insertable cardiac monitor (ICM) at 12 months. Identifying predictors of AF could be useful when considering an ICM in routine poststroke clinical care. Objective To determine the association between commonly assessed risk factors and poststroke detection of new AF in the STROKE AF cohort monitored by ICM. Design, Setting, and Participants This was a prespecified analysis of a randomized (1:1) clinical trial that enrolled patients between April 1, 2016, and July 12, 2019, with primary follow-up through 2020 and mean (SD) duration of 11.0 (3.0) months. Eligible patients were selected from 33 clinical research sites in the US. Patients had an index stroke attributed to large- or small-vessel disease and were 60 years or older or aged 50 to 59 years with at least 1 additional stroke risk factor. A total of 496 patients were enrolled, and 492 were randomly assigned to study groups (3 did not meet inclusion criteria, and 1 withdrew consent). Patients in the ICM group had the index stroke within 10 days before insertion. Data were analyzed from October 8, 2021, to January 28, 2022. Interventions ICM monitoring vs site-specific usual care (short-duration external cardiac monitoring). Main Outcomes and Measures The ICM device automatically detects AF episodes 2 or more minutes in length; episodes were adjudicated by an expert committee. Cox regression multivariable modeling included all parameters identified in the univariate analysis having P values <.10. AF detection rates were calculated using Kaplan-Meier survival estimates. Results The analysis included the 242 participants randomly assigned to the ICM group in the STROKE AF study. Among 242 patients monitored with ICM, 27 developed AF (mean [SD] age, 66.6 [9.3] years; 144 men [60.0%]; 96 [40.0%] women). Two patients had missing baseline data and exited the study early. Univariate predictors of AF detection included age (per 1-year increments: hazard ratio [HR], 1.05; 95% CI, 1.01-1.09; P = .02), CHA2DS2-VASc score (per point: HR, 1.54; 95% CI, 1.15-2.06; P = .004), chronic obstructive pulmonary disease (HR, 2.49; 95% CI, 0.86-7.20; P = .09), congestive heart failure (CHF; with preserved or reduced ejection fraction: HR, 6.64; 95% CI, 2.29-19.24; P < .001), left atrial enlargement (LAE; HR, 3.63; 95% CI, 1.55-8.47; P = .003), QRS duration (HR, 1.02; 95% CI, 1.00-1.04; P = .04), and kidney dysfunction (HR, 3.58; 95% CI, 1.35-9.46; P = .01). In multivariable modeling (n = 197), only CHF (HR, 5.06; 95% CI, 1.45-17.64; P = .05) and LAE (HR, 3.32; 1.34-8.19; P = .009) remained significant predictors of AF. At 12 months, patients with CHF and/or LAE (40 of 142 patients) had an AF detection rate of 23.4% vs 5.0% for patients with neither (HR, 5.1; 95% CI, 2.0-12.8; P < .001). Conclusions and Relevance Among patients with ischemic stroke attributed to large- or small-vessel disease, CHF and LAE were associated with a significantly increased risk of poststroke AF detection. These patients may benefit most from the use of ICMs as part of a secondary stroke prevention strategy. However, the study was not powered for clinical predictors of AF, and therefore, other clinical characteristics may not have reached statistical significance. Trial Registration ClinicalTrials.gov Identifier: NCT02700945.
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Affiliation(s)
- Lee H. Schwamm
- Department of Neurology, Massachusetts General Hospital, Boston
| | - Hooman Kamel
- Department of Neurology, Weill Cornell Medicine, New York, New York,Deputy Editor, JAMA Neurology
| | - Christopher B. Granger
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
| | - Jonathan P. Piccini
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
| | - Jeffrey M. Katz
- Department of Neurology and Radiology, North Shore University Hospital, Manhasset, New York
| | - Pramod P. Sethi
- Guilford Neurology Associates, Moses H. Cone Hospital, Greensboro, North Carolina
| | - Evgeny V. Sidorov
- Department of Neurology, The University of Oklahoma Health Sciences Center, Oklahoma City
| | - Scott E. Kasner
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | | | | | - Noreli Franco
- Clinical Department, Medtronic, Minneapolis, Minnesota
| | | | - Richard A. Bernstein
- Davee Department of Neurology, Feinberg School of Medicine of Northwestern University, Chicago, Illinois
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Sethuraman M, Hrishi AP, Prathapadas U, Ajayan N. Electrocardiographic changes in patients with raised intracranial pressure from supratentorial brain tumors. J Neurosci Rural Pract 2023; 14:55-61. [PMID: 36891090 PMCID: PMC9945380 DOI: 10.25259/jnrp-2022-2-23] [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: 09/16/2022] [Accepted: 09/20/2022] [Indexed: 11/11/2022] Open
Abstract
Objectives A wide variety of electrocardiographic (ECG) changes has been described in the context of neurological catastrophe. There has been diverse and plentiful literature emphasizing the cardiac changes in acute cerebrovascular events and traumatic brain injury. In stark contrast, there is scarce literature on the incidence of cardiac dysfunction caused by raised intracranial pressure (ICP) resulting from brain tumors. The study aimed to observe the ECG changes concurrent with intracranial hypertension resulting from supratentorial brain tumors. Materials and Methods This is a pre-specified subgroup analysis of a prospective and observational study on cardiac function in patients presenting for neurosurgery. Data of 100 consecutive patients of either sex between 18 and 60 years who presented with primary supratentorial brain tumors were analyzed. The patients were divided into two groups: Group 1 consisted of patients without clinical and radiological features of raised ICP and Group 2 consisted of patients with clinical and radiological features of raised ICP. A 12-lead ECG was obtained for every patient on the day before the neurosurgical procedure as part of the pre-anesthetic assessment. The cardiologist and the neuroanesthetist independently examined the ECG, and it was then classified and coded as per the standardized Minnesota code. Statistical analysis was performed with IBM SPSS (release 22.0; IBM Corp., Armonk, NY, USA). The normality of the distribution of continuous variables was tested using the Shapiro-Wilk test. Normally distributed variables were expressed as Mean ± SD. All nominal or categorical variables are described as frequencies and percentages. Categorical variables were compared using the Chi-square test or the Fisher's exact test. The normally distributed continuous variables were compared using Student's t-test. "P < 0.05" was considered statistically significant. Results About 6% in Group 1 and 32% in Group 2 had abnormal ECG. This was significantly different in Group 2 compared to Group 1 (P < 0.05). No patients in Group 1 had sinus bradycardia, whereas it was observed in 12% of the patients in Group 2 (P = 0.02). ST-segment depression was found in 12% of patients in Group 2, whereas none had it in Group 1 (P = 0.02). ST-segment elevation was noticed in 16 % in Group 2 and 2% in Group 1 (P = 0.01). T-wave abnormalities were found in 16% compared to 4% in Group 1 (P = 0.03). Conclusion In patients with supratentorial tumors, we observed that those with raised ICP had a higher incidence of ECG changes than those with normal ICP. In addition, repolarization abnormalities and arrhythmias were significantly higher in patients with raised ICP.
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Affiliation(s)
- Manikandan Sethuraman
- Division of Neuroanaesthesia, Department of Anaesthesia, Sree Chitra Tirunal Institute of Science and Technology, Trivandrum, Kerala, India
| | - Ajay Prasad Hrishi
- Division of Neuroanaesthesia, Department of Anaesthesia, Sree Chitra Tirunal Institute of Science and Technology, Trivandrum, Kerala, India
| | - Unnikrishnan Prathapadas
- Division of Neuroanaesthesia, Department of Anaesthesia, Sree Chitra Tirunal Institute of Science and Technology, Trivandrum, Kerala, India
| | - Neeraja Ajayan
- Department of Neurocritical Care, Cambridge University Hospitals, Addenbrookes Hospital, Cambridge, United Kingdom
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18
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Stengl H, Ganeshan R, Hellwig S, Klammer MG, von Rennenberg R, Böhme S, Audebert HJ, Nolte CH, Endres M, Scheitz JF. Frequency, associated variables, and outcomes of acute myocardial injury according to the fourth Universal Definition of Myocardial Infarction in patients with acute ischemic stroke. Eur Stroke J 2022; 7:413-420. [PMID: 36478763 PMCID: PMC9720848 DOI: 10.1177/23969873221120159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 07/30/2022] [Indexed: 10/19/2023] Open
Abstract
BACKGROUND Myocardial injury as indicated by elevation of cardiac troponin levels is common after acute ischemic stroke (AIS) and linked to poor outcomes. Previous studies rarely reported on serial hs-cTn measurements to distinguish whether myocardial injury is acute or chronic. Thus, little is known about frequency, associated variables, and outcome of acute myocardial injury in AIS. METHODS AND PATIENTS In this single-centered observational cohort study, from 01/2019 to 12/2020, consecutive patients with neuroimaging-confirmed AIS <48 h after symptom onset, and serial troponin measurements within the first 2 days after admission (Roche Elecsys®, hs-cardiac troponin T) were prospectively registered. Acute myocardial injury was defined according to the fourth Universal Definition of Myocardial Infarction (troponin above the upper reference limit and rise/fall>20%). Outcomes of interest were in-hospital mortality and unfavorable functional status at discharge (modified Rankin Scale >1). RESULTS Out of 1067 analyzed patients, 25.3% had acute myocardial injury, 40.4% had chronic myocardial injury and 34.3% had no myocardial injury. Older age, higher stroke severity, thrombolytic treatment, and impaired kidney function were independently associated with acute myocardial injury. In-hospital mortality was higher in patients with acute myocardial injury than in those without (13% vs 3%, adjusted OR, 2.9% [95% CI, 1.6-5.5]). Compared with no myocardial injury, both acute and chronic myocardial injury were associated with unfavorable functional status at discharge (adjusted OR, 1.6 [95% CI, 1.1-2.5] and OR, 1.7 [95% CI, 1.2-2.4], respectively). CONCLUSIONS A quarter of patients with AIS have evidence of acute myocardial injury according to the fourth Universal Definition of Myocardial Infarction. The strong association with in-hospital mortality highlights the need for clinical awareness and future studies on underlying mechanisms.
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Affiliation(s)
- Helena Stengl
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Ramanan Ganeshan
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Simon Hellwig
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Markus G Klammer
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- Excellence Cluster NeuroCure, Charité –
Universitätsmedizin Berlin, Berlin, Germany
| | - Regina von Rennenberg
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- German Center for Neurodegenerative
Diseases (DZNE), Partner Site, Berlin, Germany
| | - Sophie Böhme
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
| | - Heinrich J Audebert
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Christian H Nolte
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- German Center for Cardiovascular
Research (DZHK), Partner Site, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Matthias Endres
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- German Center for Cardiovascular
Research (DZHK), Partner Site, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
- German Center for Neurodegenerative
Diseases (DZNE), Partner Site, Berlin, Germany
- Excellence Cluster NeuroCure, Charité –
Universitätsmedizin Berlin, Berlin, Germany
| | - Jan F Scheitz
- Department of Neurology, Charité –
Universitätsmedizin Berlin, Berlin, Germany
- Center for Stroke Research Berlin
(CSB), Charité – Universitätsmedizin Berlin, Berlin, Germany
- German Center for Cardiovascular
Research (DZHK), Partner Site, Berlin, Germany
- Berlin Institute of Health (BIH) at
Charité – Universitätsmedizin Berlin, Berlin, Germany
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19
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Wang M, Peng Y. Advances in brain-heart syndrome: Attention to cardiac complications after ischemic stroke. Front Mol Neurosci 2022; 15:1053478. [PMID: 36504682 PMCID: PMC9729265 DOI: 10.3389/fnmol.2022.1053478] [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: 09/25/2022] [Accepted: 11/02/2022] [Indexed: 11/25/2022] Open
Abstract
Neurocardiology is an emerging field that studies the interaction between the brain and the heart, namely the effects of heart injury on the brain and the effects of brain damage on the heart. Acute ischemic stroke has long been known to induce heart damage. Most post-stroke deaths are attributed to nerve damage, and cardiac complications are the second leading cause of death after stroke. In clinical practice, the proper interpretation and optimal treatment for the patients with heart injury complicated by acute ischemic stroke, recently described as stroke-heart syndrome (SHS), are still unclear. Here, We describe a wide range of clinical features and potential mechanisms of cardiac complications after ischemic stroke. Autonomic dysfunction, microvascular dysfunction and coronary ischemia process are interdependent and play an important role in the process of cardiac complications caused by stroke. As a unique comprehensive view, SHS can provide theoretical basis for research and clinical diagnosis and treatment.
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Affiliation(s)
- Min Wang
- Department of Cardiothoracic Surgery, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Ya Peng
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China,*Correspondence: Ya Peng,
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20
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Zhang X, Zhao Y, Zhou Y, Lv J, Peng J, Zhu H, Liu R. Trends in research on sick sinus syndrome: A bibliometric analysis from 2000 to 2022. Front Cardiovasc Med 2022; 9:991503. [DOI: 10.3389/fcvm.2022.991503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/19/2022] [Indexed: 11/11/2022] Open
Abstract
Sick sinus syndrome (SSS) is a refractory arrhythmia disease caused by the pathological changes of sinoatrial node and its adjacent tissues. 2,251 publications related to SSS were retrieved from Web of Science database from 2000 to 2022 and analyzed by using VOS viewer and CiteSpace software. The results showed the United States dominated the field, followed by Japan, Germany, and China. SSS was closely related to risk factors such as atrial fibrillation and aging. Sick sinus syndrome, atrial fibrillation and sinus node dysfunction were the top three keywords that had the strongest correlation with the study. Pacemaker implantation, differentiation and mutation are research hotspots currently. Clinical studies on SSS found that sick sinus syndrome, atrial fibrillation, and pacemakers were the top three keywords that had the largest nodes and the highest frequency. In the field of basic applied research and basic research, atrial fibrillation and pacemaker cells were the focus of research. In conclusion, bibliometric analysis provided valuable information for the prevention, treatment and future research trends of SSS.
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21
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Klavansky D, Kellner C, Ghatan S, Nelson S. Preventing Poor Outcomes for Neurosurgical Patients. Semin Neurol 2022; 42:611-625. [PMID: 36427527 DOI: 10.1055/s-0042-1758704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Ensuring that patients with neurosurgical conditions have the best possible outcome requires early diagnosis, monitoring, and interventions to prevent complications and optimize care. Here, we review several neurosurgical conditions and the measures taken to prevent complications and optimize outcomes. We hope that the practical tips provided herein prove helpful in caring for neurosurgical patients.
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Affiliation(s)
- Dana Klavansky
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Christopher Kellner
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Saadi Ghatan
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Sarah Nelson
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, New York
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22
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Korkmaz Y, Hayıroğlu Mİ, Selçuk M, Çiçek V, Doğan S, Atmaca MM, Çınar T. Evaluation of cardiac-electrophysiological balance according to National Institutes of Health Stroke Scale score at admission and discharge in acute ischemic stroke patients: A pilot study. Rev Assoc Med Bras (1992) 2022; 68:1441-1446. [DOI: 10.1590/1806-9282.20220574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 07/08/2022] [Indexed: 11/22/2022] Open
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23
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Scheitz JF, Sposato LA, Schulz-Menger J, Nolte CH, Backs J, Endres M. Stroke-Heart Syndrome: Recent Advances and Challenges. J Am Heart Assoc 2022; 11:e026528. [PMID: 36056731 PMCID: PMC9496419 DOI: 10.1161/jaha.122.026528] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
After ischemic stroke, there is a significant burden of cardiovascular complications, both in the acute and chronic phase. Severe adverse cardiac events occur in 10% to 20% of patients within the first few days after stroke and comprise a continuum of cardiac changes ranging from acute myocardial injury and coronary syndromes to heart failure or arrhythmia. Recently, the term stroke–heart syndrome was introduced to provide an integrated conceptual framework that summarizes neurocardiogenic mechanisms that lead to these cardiac events after stroke. New findings from experimental and clinical studies have further refined our understanding of the clinical manifestations, pathophysiology, and potential long‐term consequences of the stroke–heart syndrome. Local cerebral and systemic mediators, which mainly involve autonomic dysfunction and increased inflammation, may lead to altered cardiomyocyte metabolism, dysregulation of (tissue‐resident) leukocyte populations, and (micro‐) vascular changes. However, at the individual patient level, it remains challenging to differentiate between comorbid cardiovascular conditions and stroke‐induced heart injury. Therefore, further research activities led by joint teams of basic and clinical researchers with backgrounds in both cardiology and neurology are needed to identify the most relevant therapeutic targets that can be tested in clinical trials.
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Affiliation(s)
- Jan F Scheitz
- Department of Neurology With Experimental Neurology Charité-Universitätsmedizin Berlin Berlin Germany.,Center for Stroke Research Berlin Charité-Universitätsmedizin Berlin Berlin Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin Berlin Germany.,Berlin Institute of Health (BIH) Berlin Germany.,World Stroke Organization Brain & Heart Task Force
| | - Luciano A Sposato
- World Stroke Organization Brain & Heart Task Force.,Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry Western University London Ontario Canada.,Heart & Brain Laboratory Western University London Ontario Canada
| | - Jeanette Schulz-Menger
- Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center, a Joint Cooperation Between the Charité-Universitätsmedizin Berlin, Department of Internal Medicine and Cardiology and the Max-Delbrueck Center for Molecular Medicine DZHK (German Centre for Cardiovascular Research), Partner Site Berlin Berlin Germany.,Department of Cardiology and Nephrology HELIOS Klinikum Berlin Buch Berlin Germany
| | - Christian H Nolte
- Department of Neurology With Experimental Neurology Charité-Universitätsmedizin Berlin Berlin Germany.,Center for Stroke Research Berlin Charité-Universitätsmedizin Berlin Berlin Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin Berlin Germany.,Berlin Institute of Health (BIH) Berlin Germany
| | - Johannes Backs
- Institute of Experimental Cardiology Heidelberg University Heidelberg Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Heidelberg/Mannheim Heidelberg Germany
| | - Matthias Endres
- Department of Neurology With Experimental Neurology Charité-Universitätsmedizin Berlin Berlin Germany.,Center for Stroke Research Berlin Charité-Universitätsmedizin Berlin Berlin Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin Berlin Germany.,Berlin Institute of Health (BIH) Berlin Germany.,DZNE (German Center for Neurodegenerative Disease), Partner Site Berlin Berlin Germany.,ExcellenceCluster NeuroCure Berlin Germany
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24
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Simats A, Liesz A. Systemic inflammation after stroke: implications for post-stroke comorbidities. EMBO Mol Med 2022; 14:e16269. [PMID: 35971650 PMCID: PMC9449596 DOI: 10.15252/emmm.202216269] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/27/2022] [Accepted: 07/01/2022] [Indexed: 12/21/2022] Open
Abstract
Immunological mechanisms have come into the focus of current translational stroke research, and the modulation of neuroinflammatory pathways has been identified as a promising therapeutic approach to protect the ischemic brain. However, stroke not only induces a local neuroinflammatory response but also has a profound impact on systemic immunity. In this review, we will summarize the consequences of ischemic stroke on systemic immunity at all stages of the disease, from onset to long‐term outcome, and discuss underlying mechanisms of systemic brain‐immune communication. Furthermore, since stroke commonly occurs in patients with multiple comorbidities, we will also overview the current understanding of the potential role of systemic immunity in common stroke‐related comorbidities, such as cardiac dysfunction, atherosclerosis, diabetes, and infections. Finally, we will highlight how targeting systemic immunity after stroke could improve long‐term outcomes and alleviate comorbidities of stroke patients.
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Affiliation(s)
- Alba Simats
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, Munich, Germany
| | - Arthur Liesz
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, Munich, Germany.,Munich Cluster of Systems Neurology (SyNergy), Munich, Germany
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25
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Wang J, Zhang J, Ye Y, Xu Q, Li Y, Feng S, Xiong X, Jian Z, Gu L. Peripheral Organ Injury After Stroke. Front Immunol 2022; 13:901209. [PMID: 35720359 PMCID: PMC9200619 DOI: 10.3389/fimmu.2022.901209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/21/2022] [Indexed: 01/08/2023] Open
Abstract
Stroke is a disease with high incidence, mortality and disability rates. It is also the main cause of adult disability in developed countries. Stroke is often caused by small emboli on the inner wall of the blood vessels supplying the brain, which can lead to arterial embolism, and can also be caused by cerebrovascular or thrombotic bleeding. With the exception of recombinant tissue plasminogen activator (rt-PA), which is a thrombolytic drug used to recanalize the occluded artery, most treatments have been demonstrated to be ineffective. Stroke can also induce peripheral organ damage. Most stroke patients have different degrees of injury to one or more organs, including the lung, heart, kidney, spleen, gastrointestinal tract and so on. In the acute phase of stroke, severe inflammation occurs in the brain, but there is strong immunosuppression in the peripheral organs, which greatly increases the risk of peripheral organ infection and aggravates organ damage. Nonneurological complications of stroke can affect treatment and prognosis, may cause serious short-term and long-term consequences and are associated with prolonged hospitalization and increased mortality. Many of these complications are preventable, and their adverse effects can be effectively mitigated by early detection and appropriate treatment with various medical measures. This article reviews the pathophysiological mechanism, clinical manifestations and treatment of peripheral organ injury after stroke.
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Affiliation(s)
- Jin Wang
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jiehua Zhang
- Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yingze Ye
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qingxue Xu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yina Li
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shi Feng
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoxing Xiong
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.,Department of Anesthesia, Renmin Hospital of Wuhan University, Wuhan, China
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26
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Greenberg SM, Ziai WC, Cordonnier C, Dowlatshahi D, Francis B, Goldstein JN, Hemphill JC, Johnson R, Keigher KM, Mack WJ, Mocco J, Newton EJ, Ruff IM, Sansing LH, Schulman S, Selim MH, Sheth KN, Sprigg N, Sunnerhagen KS. 2022 Guideline for the Management of Patients With Spontaneous Intracerebral Hemorrhage: A Guideline From the American Heart Association/American Stroke Association. Stroke 2022; 53:e282-e361. [PMID: 35579034 DOI: 10.1161/str.0000000000000407] [Citation(s) in RCA: 305] [Impact Index Per Article: 152.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | - William J Mack
- AHA Stroke Council Scientific Statement Oversight Committee on Clinical Practice Guideline liaison
| | | | | | - Ilana M Ruff
- AHA Stroke Council Stroke Performance Measures Oversight Committee liaison
| | | | | | | | - Kevin N Sheth
- AHA Stroke Council Scientific Statement Oversight Committee on Clinical Practice Guideline liaison.,AAN representative
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27
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Sun Y, Miller MM, Yaghi S, Henninger N. Association of Atrial Fibrillation Detected after Stroke with Cardiac Dysfunction and Features of Neurogenic Cardiac Injury. J Stroke Cerebrovasc Dis 2022; 31:106445. [PMID: 35339858 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106445] [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: 01/31/2022] [Accepted: 03/07/2022] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVES Understanding the link between markers of cardiac injury and atrial fibrillation (AF) detected after stroke (AFDAS) may help refine stroke risk stratification and therapeutic approaches in AFDAS. MATERIALS AND METHODS We retrospectively analyzed 988 adult patients admitted for acute ischemic stroke and transient ischemic attack, who presented within 4.5 h from last known well. Pertinent clinical variables including features of neurogenic cardiac injury (so-called stroke heart syndrome [SHS]) as well as electrocardiographic and echocardiographic markers of cardiac dysfunction, and AF status (no AF n = 574; known AF n = 311; AFDAS; n = 103) were collected. Multivariable logistic regression was used to determine the independent associations of variables with AFDAS. RESULTS A total of 264 (26.7%) subjects fulfilled criteria for SHS. Of these, 174 of had SHS features other than AFDAS (non-AF SHS). Among 677 subjects without known AF, presence of non-AF SHS was associated with a 5-fold odds of AFDAS (OR 5.0, 95%-CI 3.1-8.0, p < 0.001). After adjustment, non-AF SHS (OR 3.2, 95%-CI 1.6-6.4, p = 0.001) and the left atrial volume index (OR 1.04, 95%-CI 1.01-1.08, p = 0.004) remained independently associated with AFDAS. CONCLUSIONS The presence of non-AF SHS features and the left atrial volume index were independently associated with AFDAS indicating diverse mechanisms relating to new onset AF. A better understanding of the links between these markers and AFDAS may help uncover potentially modifiable risk factors for AFDAS as well as aid treatment decisions in patients at risk for new onset AF and ischemic stroke.
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Affiliation(s)
- Yuyao Sun
- Department of Neurology, Duke University, Durham, NC, United States
| | - Małgorzata M Miller
- Division of Neurology, Neuroscience Institute, Spectrum Health, Grand Rapids, MI, United States
| | - Shadi Yaghi
- Department of Neurology, Brown University, Providence, RI, United States
| | - Nils Henninger
- Department of Neurology, University of Massachusetts Medical School, Worcester, MA, United States.
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28
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Swenson KE, Shaller BD, Duong K, Bedi H. Systemic arterial gas embolism (SAGE) as a complication of bronchoscopic lung biopsy: a case report and systematic literature review. J Thorac Dis 2022; 13:6439-6452. [PMID: 34992823 PMCID: PMC8662492 DOI: 10.21037/jtd-21-717] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 09/24/2021] [Indexed: 12/13/2022]
Abstract
Background Systemic arterial gas embolism (SAGE) is a rare yet serious and underrecognized complication of bronchoscopic procedures. A recent case of presumed SAGE after transbronchial needle aspiration prompted a systematic literature review of SAGE after biopsy procedures during flexible bronchoscopy. Methods We performed a systematic database search for case reports and case series pertaining to SAGE after bronchoscopic lung biopsy; reports or series involving only bronchoscopic laser therapy or argon plasma coagulation (APC) were excluded. Patient data were extracted directly from published reports. Results A total of 29 unique patient reports were assessed for patient demographics, specifics of the procedure, clinical manifestations, diagnostic findings, and clinical outcomes. Cases of SAGE occurred after multiple types of bronchoscopic biopsy and under both positive and negative pressure ventilation. The most common clinical findings were neurologic, followed by cardiac manifestations; temporal patterns included acute onset of cardiac or neurologic emergencies immediately after biopsy, or delayed awakening post-procedure. There was a high mortality rate among cases (28%), with residual neurologic deficits also common (24%). Discussion SAGE is an underrecognized but severe adverse effect of bronchoscopic lung biopsy, which often presents with acute coronary or cerebral ischemia or delayed awakening from sedation. It is important for all physicians who perform bronchoscopic biopsies to be aware of the clinical manifestations and therapeutic management of SAGE in order to mitigate morbidity and mortality among patients undergoing these procedures.
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Affiliation(s)
- Kai E Swenson
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA, USA.,Division of Pulmonary, Critical Care and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Brian D Shaller
- Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Kevin Duong
- Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Harmeet Bedi
- Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University School of Medicine, Stanford, CA, USA
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29
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Lip GYH, Lane DA, Lenarczyk R, Boriani G, Doehner W, Benjamin LA, Fisher M, Lowe D, Sacco RL, Schnabel R, Watkins C, Ntaios G, Potpara T. OUP accepted manuscript. Eur Heart J 2022; 43:2442-2460. [PMID: 35552401 PMCID: PMC9259378 DOI: 10.1093/eurheartj/ehac245] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/11/2022] [Accepted: 04/27/2022] [Indexed: 11/12/2022] Open
Abstract
The management of patients with stroke is often multidisciplinary, involving various specialties and healthcare professionals. Given the common shared risk factors for stroke and cardiovascular disease, input may also be required from the cardiovascular teams, as well as patient caregivers and next-of-kin. Ultimately, the patient is central to all this, requiring a coordinated and uniform approach to the priorities of post-stroke management, which can be consistently implemented by different multidisciplinary healthcare professionals, as part of the patient ‘journey’ or ‘patient pathway,’ supported by appropriate education and tele-medicine approaches. All these aspects would ultimately aid delivery of care and improve patient (and caregiver) engagement and empowerment. Given the need to address the multidisciplinary approach to holistic or integrated care of patients with heart disease and stroke, the European Society of Cardiology Council on Stroke convened a Task Force, with the remit to propose a consensus on Integrated care management for optimizing the management of stroke and associated heart disease. The present position paper summarizes the available evidence and proposes consensus statements that may help to define evidence gaps and simple practical approaches to assist in everyday clinical practice. A post-stroke ABC pathway is proposed, as a more holistic approach to integrated stroke care, would include three pillars of management:
A: Appropriate Antithrombotic therapy. B: Better functional and psychological status. C: Cardiovascular risk factors and Comorbidity optimization (including lifestyle changes).
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Affiliation(s)
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Radosław Lenarczyk
- Division of Medical Sciences in Zabrze, Department of Cardiology, Congenital Heart Diseases and Electrotherapy, The Medical University of Silesia, Silesian Center of Heart Diseases, Curie-Sklodowska Str 9, 41-800 Zabrze, Poland
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Wolfram Doehner
- BIH Center for Regenerative Therapies (BCRT) and Department of Internal Medicine and Cardiology (Virchow Klinikum), German Centre for Cardiovascular Research (DZHK) partner site Berlin and Center for Stroke Research Berlin, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Laura A Benjamin
- Laboratory of Molecular and Cell Biology, University College London National Hospital for Neurology and Neurosurgery, Queen Square, London
| | - Marc Fisher
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Deborah Lowe
- Wirral University Teaching Hospital NHS Foundation Trust, Wirral CH49 5PE, UK
| | - Ralph L Sacco
- UM Clinical & Translational Science Institute, University of Miami, Miller School of Medicine, Miami, FL, USA
| | - Renate Schnabel
- University Heart & Vascular Center Hamburg Eppendorf, German Center for Cardiovascular Research (DZHK) partner site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Caroline Watkins
- Faculty of Health and Care, University of Central Lancashire, Preston PR1 2HE, UK
| | - George Ntaios
- Department of Internal Medicine, School of Health Sciences, Faculty of Medicine, University of Thessaly, Larissa, Greece
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Marzolini S, Wu C, Hussein R, Xiong LY, Kangatharan S, Peni A, Cooper CR, Lau KS, Nzodjou Makhdoom G, Pakosh M, Zaban SA, Nguyen MM, Banihashemi MA, Swardfager W. Associations Between Time After Stroke and Exercise Training Outcomes: A Meta-Regression Analysis. J Am Heart Assoc 2021; 10:e022588. [PMID: 34913357 PMCID: PMC9075264 DOI: 10.1161/jaha.121.022588] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background Knowledge gaps exist regarding the effect of time elapsed after stroke on the effectiveness of exercise training interventions, offering incomplete guidance to clinicians. Methods and Results To determine the associations between time after stroke and 6-minute walk distance, 10-meter walk time, cardiorespiratory fitness and balance (Berg Balance Scale score [BBS]) in exercise training interventions, relevant studies in post-stroke populations were identified by systematic review. Time after stroke as continuous or dichotomized (≤3 months versus >3 months, and ≤6 months versus >6 months) variables and weighted mean differences in postintervention outcomes were examined in meta-regression analyses adjusted for study baseline mean values (pre-post comparisons) or baseline mean values and baseline control-intervention differences (controlled comparisons). Secondary models were adjusted additionally for mean age, sex, and aerobic exercise intensity, dose, and modality. We included 148 studies. Earlier exercise training initiation was associated with larger pre-post differences in mobility; studies initiated ≤3 months versus >3 months after stroke were associated with larger differences (weighted mean differences [95% confidence interval]) in 6-minute walk distance (36.3 meters; 95% CI, 14.2-58.5), comfortable 10-meter walk time (0.13 m/s; 95% CI, 0.06-0.19) and fast 10-meter walk time (0.16 m/s; 95% CI, 0.03-0.3), in fully adjusted models. Initiation ≤3 months versus >3 months was not associated with cardiorespiratory fitness but was associated with a higher but not clinically important Berg Balance Scale score difference (2.9 points; 95% CI, 0.41-5.5). In exercise training versus control studies, initiation ≤3 months was associated with a greater difference in only postintervention 6-minute walk distance (baseline-adjusted 27.3 meters; 95% CI, 6.1-48.5; fully adjusted, 24.9 meters; 95% CI, 0.82-49.1; a similar association was seen for ≤6 months versus >6 months after stroke (fully adjusted, 26.6 meters; 95% CI, 2.6-50.6). Conclusions There may be a clinically meaningful benefit to mobility outcomes when exercise is initiated within 3 months and up to 6 months after stroke.
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Affiliation(s)
- Susan Marzolini
- KITE Research Institute, Toronto Rehabilitation Institute ‐ University Health NetworkTorontoONCanada
- Healthy Living for Pandemic Event Protection (HL–PIVOT) NetworkTorontoONCanada
- Rehabilitation Sciences InstituteUniversity of TorontoONCanada
- Faculty of Kinesiology and Physical EducationUniversity of TorontoONCanada
| | - Che‐Yuan Wu
- Department of Pharmacology and ToxicologyUniversity of TorontoONCanada
- Hurvitz Brain Sciences ProgramSunnybrook Research InstituteTorontoONCanada
| | | | - Lisa Y. Xiong
- Department of Pharmacology and ToxicologyUniversity of TorontoONCanada
- Hurvitz Brain Sciences ProgramSunnybrook Research InstituteTorontoONCanada
| | - Suban Kangatharan
- KITE Research Institute, Toronto Rehabilitation Institute ‐ University Health NetworkTorontoONCanada
| | - Ardit Peni
- KITE Research Institute, Toronto Rehabilitation Institute ‐ University Health NetworkTorontoONCanada
| | | | - Kylie S.K. Lau
- Department of Human BiologyUniversity of TorontoONCanada
| | | | - Maureen Pakosh
- Library & Information ServicesUniversity Health NetworkToronto Rehabilitation InstituteTorontoONCanada
| | - Stephanie A. Zaban
- Faculty of Kinesiology and Physical EducationUniversity of TorontoONCanada
| | - Michelle M. Nguyen
- Department of Pharmacology and ToxicologyUniversity of TorontoONCanada
- Hurvitz Brain Sciences ProgramSunnybrook Research InstituteTorontoONCanada
| | - Mohammad Amin Banihashemi
- Hurvitz Brain Sciences ProgramSunnybrook Research InstituteTorontoONCanada
- Institute of Medical ScienceUniversity of TorontoTorontoONCanada
| | - Walter Swardfager
- KITE Research Institute, Toronto Rehabilitation Institute ‐ University Health NetworkTorontoONCanada
- Department of Pharmacology and ToxicologyUniversity of TorontoONCanada
- Hurvitz Brain Sciences ProgramSunnybrook Research InstituteTorontoONCanada
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Impact of Arrhythmia in Hospital Mortality in Acute Ischemic Stroke Patients: A Retrospective Cohort Study in Northern Mexico. J Stroke Cerebrovasc Dis 2021; 31:106259. [PMID: 34923436 DOI: 10.1016/j.jstrokecerebrovasdis.2021.106259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/25/2021] [Accepted: 11/28/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Atrial fibrillation has been associated with higher morbidity and mortality rates in acute ischemic stroke patients (AIS). However, there is scarce information regarding the clinical outcomes and strokes' characteristics among AIS patients with other type of arrhythmias. OBJECTIVE Our study aims to analyze the hospital mortality rate, stroke characteristics, and clinical and demographical data of patients with any post-stroke arrhythmia. METHODS Retrospective cohort study of AIS patients with 24h-Holter monitoring during hospital admission recruited between 2015-2020, outcomes were measured using the modified Rankin scale. RESULTS 597 patients (61.13±13.61 years; 352 men) were included. Arrhythmias were diagnosed in 33 (5.5%), with atrial fibrillation as the most common finding (82%). Age was related to a higher rate of arrhythmia (P = 0.014). A larger prevalence of cardioembolic strokes (69.7% vs 16.6%, P < 0.05) and AIS in the middle cerebral artery's vascular territory (78.8% vs 58.7%, P < 0.05) were found amongst patients with an arrhythmia. No significant association was found between NIHSS at admission with neither incidence of arrhythmia nor mortality. Within the arrhythmia group, three in-hospital deaths were reported: one AF, one ventricular arrhythmia and one second-degree atrioventricular block. In a logistic regression analysis, patients with any kind of arrhythmia had a higher mortality rate (9.1% vs 1.2%, P = 0.011; OR 6.766, 95% CI 1.552 - 29.500). CONCLUSION Arrhythmia detection after an AIS was associated with increased in-hospital mortality. Risk factors related to arrhythmia detection were a higher mean age, cardioembolic strokes and AIS affecting the middle cerebral artery.
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Cerebellar Stroke in a COVID-19 Infected Patient. a Case Report. ACTA ACUST UNITED AC 2021; 7:130-135. [PMID: 34722914 PMCID: PMC8519368 DOI: 10.2478/jccm-2021-0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 01/10/2021] [Indexed: 11/30/2022]
Abstract
Background Recent studies have reported that COVID-19 infected patients with stroke, who were often in the older age group, had a higher incidence of vascular risk factors, and more severe infection related respiratory symptoms. These observations provided little evidence to suggest that COVID-19 infection is a potential causative factor for stroke. This report describes a young patient with a cerebellar stroke secondary to COVID-19 infection. Case presentation A 45-year old male presented at a hospital, reporting a two-day history of headache, vertigo, persistent vomiting, and unsteady gait. Physical examination revealed gaze-evoked nystagmus on extraocular movement testing, left-sided dysmetria and dysdiadochokinesia. He was diagnosed with a left cerebellar stroke. An external ventricular drain was inserted, and sub-occipital craniectomy was performed to manage the effects of elevated intracranial pressure due to the extent of oedema secondary to the infarct. He also underwent screening for the COVID-19 infection, which was positive on SARS-COV-2 polymerase chain reaction testing of his endotracheal aspirate. Blood and cerebrospinal fluid samples were negative. After the surgery, the patient developed atrial fibrillation and had prolonged vomiting symptoms, but these resolved eventually with symptomatic treatment. He was started on aspirin and statin therapy, but anticoagulation was withheld due to bleeding concerns. The external ventricular drain was removed nine days after the surgery. He continued with active rehabilitation. Conclusions Young patients with COVID-19 infection may be more susceptible to stroke, even in the absence of risk factors. Standard treatment with aspirin and statins remains essential in the management of COVID-19 related stroke. Anticoagulation for secondary prevention in those with atrial fibrillation should not be routine and has to be carefully evaluated for its benefits compared to the potential harms of increased bleeding associated with COVID-19 infection.
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Ambawatte SB, Weerathunga DN, Dissanayake A, Somaratne SC, Athukorala K, Wijewickrama PSA. Ischemic Stroke Subtypes: Socio-demographic Factors, Risk Factors, and Outcomes in Southern Sri Lanka. Ethn Dis 2021; 31:509-518. [PMID: 34720554 DOI: 10.18865/ed.31.4.509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background Stroke is a heterogeneous, catastrophic disease. A comprehensive clinical analysis of ischemic stroke (IS) risk factors and outcomes is crucial for optimum management in resource-poor settings. Methods A prospective cross-sectional study of acute cerebrovascular disease (ACVD) involving 592 patients was conducted in a tertiary care center in Sri Lanka from November 2018 to May 2019. We aimed to describe the ACVD subtypes and the relationship of IS subtypes and subtype-categories (as defined by the Oxfordshire Community Stroke Project clinical classification) with risk factors, severity, and outcome. Results The majority (63.3%) had IS. Partial anterior circulation syndromes (PACS), total anterior circulation syndrome (TACS), posterior circulation syndromes (POCS), and lacunar syndromes (LACS) accounted for 102 (29.7%), 58 (16.9%), 88 (25.7%) and 95 (27.7%) of the cases, respectively. The most common PACS sub-category was higher-cerebral-dysfunction-with-homonymous-hemianopia (HCD+HH,39 cases;38.2%). Cerebellar-signs-without-long-tract-signs (CS-LTS) sub-category constituted the highest among POCS (47 cases; 53.4%). The leading sub-category within LACS was pure-motor (PM) strokes (43 cases; 45.3%).Patients aged ≥50 years (adjusted-OR [AOR]2.439; 95%CI,1.163-5.116;P=.018), IHD(AOR 2.520; 95%CI,1.347-4.713; P=.004) and BMI>23kg/m2(AOR 2.607; 95% CI,1.420-4.784; P=.002) were 2.5 times more likely to associate with TACS. Patients with a history of TIA (AOR 1.910; 95%CI,1.036-3.524; P=.038) and arrhythmias (AOR 5.933; 95%CI,3.294-10.684; P<.001) were 1.9 and 5.9 times more likely to be associated with POCS respectively. Those with hypertension were 2.3 times more likely to associate with LACS (AOR 2.233; 95%CI,1.270-3.926; P=.005).NIHSS(P<.001), mRS on admission (P=.001) and in 3 months (P<.001), deaths during hospital stay (P=.003) and within 28 days (P<.001) had a stronger relationship with individual stroke subtypes. Conclusion The comparative risk of different IS subtypes depends on different risk factors. The findings of this study demonstrate that sub-categories within each stroke subtype may behave independently with regard to risk factors and outcomes, thus warranting the need for individual assessment.
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Cui P, McCullough LD, Hao J. Brain to periphery in acute ischemic stroke: Mechanisms and clinical significance. Front Neuroendocrinol 2021; 63:100932. [PMID: 34273406 PMCID: PMC9850260 DOI: 10.1016/j.yfrne.2021.100932] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/27/2021] [Accepted: 07/12/2021] [Indexed: 01/21/2023]
Abstract
The social and public health burdens of ischemic stroke have been increasing worldwide. In addition to focal brain damage, acute ischemic stroke (AIS) provokes systemic abnormalities across peripheral organs. AIS profoundly alters the autonomic nervous system, hypothalamic-pituitary-adrenal axis, and immune system, which further yield deleterious organ-specific consequences. Poststroke systemic pathological alterations in turn considerably contribute to the progression of ischemic brain injury, which accounts for the substantial impact of systemic complications on stroke outcomes. This review provides a comprehensive and updated pathophysiological model elucidating the systemic effects of AIS. To address their clinical significance and inform stroke management, we also outline the resulting systemic complications at particular stages of AIS and highlight the mechanisms. Future therapeutic strategies should attempt to integrate the treatment of primary brain lesions with interventions for secondary systemic complications, and should be tailored to patient individualized characteristics to optimize stroke outcomes.
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Affiliation(s)
- Pan Cui
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Louise D McCullough
- Department of Neurology, University of Texas Health Science Centre, Houston, TX 77030, USA
| | - Junwei Hao
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
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35
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Kishore AK, Hossain MJ, Cameron A, Dawson J, Vail A, Smith CJ. Use of risk scores for predicting new atrial fibrillation after ischemic stroke or transient ischemic attack-A systematic review. Int J Stroke 2021; 17:608-617. [PMID: 34551649 DOI: 10.1177/17474930211045880] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Newly detected atrial fibrillation (NDAF) following an ischemic stroke or transient ischemic attack is often paroxysmal in nature. While challenging to detect, extended electrocardiographic (ECG) monitoring is often used to identify NDAF which has resource implications. Prognostic risk scores have been derived which may stratify the risk of NDAF and inform patient selection for ECG monitoring approaches after ischemic stroke/transient ischemic attack. AIM The overall aim was to identify risk scores that were derived and/or validated to predict NDAF after ischemic stroke/transient ischemic attack and evaluate their performance. SUMMARY OF REVIEW A systematic literature review was undertaken in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement, with application of the Quality Assessment of Diagnostic Accuracy-2 tool. Published studies, which derived and validated clinical risk scores in patients with ischemic stroke/transient ischemic attack, or externally validated an existing score to predict NDAF after ischemic stroke/transient ischemic attack, were considered and independently screened by two reviewers. Twenty-one studies involving 23 separate cohorts were analyzed from which 17 integer-based risk scores were identified. The overall frequency of NDAF was 9.7% (95% confidence intervals 8%-11.5%; I2 = 98%). The performance of the scores varied widely among derivation and validation cohorts (area under the receiver operating characteristic curve (AUC) 0.54-0.94); scores derived from stroke cohorts (12 scores) appeared to perform better (AUC 0.7-0.94) than those derived from non-stroke cohorts (five scores; AUC 0.53-0.79). The scores also varied considerably in their complexity, ascertainment, component variables, participant characteristics, outcome definition, and ease of application limiting their generalizability and utility. CONCLUSION Overall, the risk scores identified performed variably in their discriminative ability and the utility of these scores to predict NDAF in clinical practice remains uncertain. Further studies are required using larger prospective cohorts and randomized control trials to evaluate the usefulness of such scores for clinical decision making and preventative intervention.
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Affiliation(s)
- Amit K Kishore
- Greater Manchester Comprehensive Stroke Centre, Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance, Salford Royal Foundation Trust, Salford, UK.,Division of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Mohammad J Hossain
- School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Alan Cameron
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Jesse Dawson
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Andy Vail
- Centre for Biostatistics, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Craig J Smith
- Greater Manchester Comprehensive Stroke Centre, Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance, Salford Royal Foundation Trust, Salford, UK.,Division of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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Lin HB, Li FX, Zhang JY, You ZJ, Xu SY, Liang WB, Zhang HF. Cerebral-Cardiac Syndrome and Diabetes: Cardiac Damage After Ischemic Stroke in Diabetic State. Front Immunol 2021; 12:737170. [PMID: 34512671 PMCID: PMC8430028 DOI: 10.3389/fimmu.2021.737170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/06/2021] [Indexed: 12/24/2022] Open
Abstract
Cerebral-cardiac syndrome (CCS) refers to cardiac dysfunction following varying brain injuries. Ischemic stroke is strongly evidenced to induce CCS characterizing as arrhythmia, myocardial damage, and heart failure. CCS is attributed to be the second leading cause of death in the post-stroke stage; however, the responsible mechanisms are obscure. Studies indicated the possible mechanisms including insular cortex injury, autonomic imbalance, catecholamine surge, immune response, and systemic inflammation. Of note, the characteristics of the stroke population reveal a common comorbidity with diabetes. The close and causative correlation of diabetes and stroke directs the involvement of diabetes in CCS. Nevertheless, the role of diabetes and its corresponding molecular mechanisms in CCS have not been clarified. Here we conclude the features of CCS and the potential role of diabetes in CCS. Diabetes drives establish a “primed” inflammatory microenvironment and further induces severe systemic inflammation after stroke. The boosted inflammation is suspected to provoke cardiac pathological changes and hence exacerbate CCS. Importantly, as the key element of inflammation, NOD-like receptor pyrin domain containing 3 (NLRP3) inflammasome is indicated to play an important role in diabetes, stroke, and the sequential CCS. Overall, we characterize the corresponding role of diabetes in CCS and speculate a link of NLRP3 inflammasome between them.
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Affiliation(s)
- Hong-Bin Lin
- Department of Anesthesiology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Feng-Xian Li
- Department of Anesthesiology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Jin-Yu Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Zhi-Jian You
- Guangxi Health Commission Key Laboratory of Clinical Biotechnology, Liuzhou People's Hospital, Liuzhou, China
| | - Shi-Yuan Xu
- Department of Anesthesiology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Wen-Bin Liang
- University of Ottawa Heart Institute and Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Hong-Fei Zhang
- Department of Anesthesiology, Zhujiang Hospital of Southern Medical University, Guangzhou, China
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Scalco A, Moro N, Mongillo M, Zaglia T. Neurohumoral Cardiac Regulation: Optogenetics Gets Into the Groove. Front Physiol 2021; 12:726895. [PMID: 34531763 PMCID: PMC8438220 DOI: 10.3389/fphys.2021.726895] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/27/2021] [Indexed: 12/25/2022] Open
Abstract
The cardiac autonomic nervous system (ANS) is the main modulator of heart function, adapting contraction force, and rate to the continuous variations of intrinsic and extrinsic environmental conditions. While the parasympathetic branch dominates during rest-and-digest sympathetic neuron (SN) activation ensures the rapid, efficient, and repeatable increase of heart performance, e.g., during the "fight-or-flight response." Although the key role of the nervous system in cardiac homeostasis was evident to the eyes of physiologists and cardiologists, the degree of cardiac innervation, and the complexity of its circuits has remained underestimated for too long. In addition, the mechanisms allowing elevated efficiency and precision of neurogenic control of heart function have somehow lingered in the dark. This can be ascribed to the absence of methods adequate to study complex cardiac electric circuits in the unceasingly moving heart. An increasing number of studies adds to the scenario the evidence of an intracardiac neuron system, which, together with the autonomic components, define a little brain inside the heart, in fervent dialogue with the central nervous system (CNS). The advent of optogenetics, allowing control the activity of excitable cells with cell specificity, spatial selectivity, and temporal resolution, has allowed to shed light on basic neuro-cardiology. This review describes how optogenetics, which has extensively been used to interrogate the circuits of the CNS, has been applied to untangle the knots of heart innervation, unveiling the cellular mechanisms of neurogenic control of heart function, in physiology and pathology, as well as those participating to brain-heart communication, back and forth. We discuss existing literature, providing a comprehensive view of the advancement in the understanding of the mechanisms of neurogenic heart control. In addition, we weigh the limits and potential of optogenetics in basic and applied research in neuro-cardiology.
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Affiliation(s)
- Arianna Scalco
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Nicola Moro
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Marco Mongillo
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Tania Zaglia
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
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Sahin I, Karimov O, Atici A, Barman HA, Tugrul S, Ozcan S, Asoglu R, Celik D, Okuyan E, Kale N. Prognostic Significance of Fragmented QRS in Patients with Acute Ischemic Stroke. J Stroke Cerebrovasc Dis 2021; 30:105986. [PMID: 34271276 DOI: 10.1016/j.jstrokecerebrovasdis.2021.105986] [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: 04/18/2021] [Accepted: 06/27/2021] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVES There are studies in the literature showing the clinical importance of fragmented QRS (fQRS) in many systemic diseases. In this study, we aimed to investigate the frequency and prognostic value of fQRS on electrocardiogram (ECG) in patients with acute ischemic stroke. MATERIALS AND METHODS We prospectively enrolled 241 patients with acute ischemic stroke between January 2018 and January 2020. ST depression and elevation, QRS duration, PR interval, RR interval, QTc interval, QTc dispersion (QTcd), T negativity, Q wave, and fQRS were evaluated on ECG. Brain computed tomography (CT) and diffusion magnetic resonance imaging (MRI) images were obtained in the acute period and the National Institute of Health Stroke Scale (NIHSS) score was calculated for each patient. Patients were followed up for a period of two years. RESULTS The 241 patients comprised 121 (50.2%) men and 120 (49.8%) women with a mean age of 67.52 ± 13.00 years. In Cox regression analysis, age, NIHSS, QTcd, and fQRS were found to be independent predictors of mortality (age, hazard ratio [HR]: 1.063, p < 0.001; NIHSS, HR: 1.116, p = 0.006; QTcd, HR: 1.029, p = 0.042; fQRS, HR: 2.048, p = 0.037). Two-year mortality was higher in patients with fQRS than in patients without fQRS (31% vs. 9%, p = 0.001). CONCLUSIONS The fQRS is associated with poor prognosis in patients with acute ischemic stroke.
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Affiliation(s)
- Irfan Sahin
- Department of Cardiology, Bagcilar Training and Research Hospital, Istanbul, Turkey.
| | - Orkhan Karimov
- Department of Cardiology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Adem Atici
- Department of Cardiology, Istanbul Medeniyet University Goztepe Training and Research Hospital, Istanbul, Turkey
| | - Hasan Ali Barman
- Department of Cardiology, Istanbul University - Cerrahpasa, Institute of Cardiology, Istanbul,Turkey
| | - Sevil Tugrul
- Department of Cardiology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Sevgi Ozcan
- Department of Cardiology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Ramazan Asoglu
- Department of Cardiology, Adiyaman University Training and Research Hospital, Adiyaman, Turkey
| | - Didem Celik
- Department of Neurology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Ertugrul Okuyan
- Department of Cardiology, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Nilufer Kale
- Department of Neurology, Bagcilar Training and Research Hospital, Istanbul, Turkey
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Falsing MM, Brainin P, Andersen DM, Larroudé CE, Lindhardt TB, Ravnkilde K, Modin D, Karsum EH, Gislason G, Biering-Sørensen T. Sex differences in echocardiographic predictors of bradycardia detected by implantable loop recorder in patients with syncope and palpitations. Echocardiography 2021; 38:1186-1194. [PMID: 34037991 DOI: 10.1111/echo.15085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/21/2021] [Accepted: 05/03/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE Our aim was to investigate whether echocardiography may aid in identifying patients, specifically men, at risk of bradycardia as detected by implantable loop recorders (ILR) in patients evaluated for syncope and palpitations. METHODS We included ambulatory patients undergoing ILR implantation for syncope (84%), presyncope (9%), and palpitations (8%). Echocardiographic examination was performed prior to implantation (2.9 months [IQR 1.0-6.0 months]). Echocardiograms were analyzed for conventional and speckle tracking parameters. We examined time to first event of bradycardia, defined as (a) heart rate <30 beats/min and (b) ≥4 beats, including sinus arrest, asystole, sinoatrial block, and second- and third-degree atrioventricular nodal block. We applied Cox proportional hazards models. RESULTS A total of 285 patients we enrolled, and during a median time of 2.7 years [IQR 1.0, 3.3 years] of continuous heart rhythm monitoring, 84 (29%) had bradycardia detected by ILR. Patients with bradycardia were older (61 ± 19 years vs 55 ± 18 years, P = .01) and more frequently men (62% vs 44%, P = .01). Sex modified the association between echocardiographic parameters and bradycardia (P interaction <0.05 for all), such that left ventricular LV mass index (HR: 1.02 per 1g/m2 increase [1.01-1.04], P < .001), LV ejection fraction (HR: 1.04 per 1% decrease [1.01-1.08], P = .02), and global longitudinal strain (HR: 1.09 per 1% decrease [1.01-1.19], P = .03) were associated with bradycardia in men but not women (P > .05 for all in female). After adjusting for baseline clinical characteristics, medical therapy, and loop indication, the abovementioned parameters remained significantly associated with incident bradycardia in men. CONCLUSION Echocardiographic parameters of LV structure and function may potentially be more useful for predicting bradycardia in men than women, among patients undergoing ILR implantation for syncope, presyncope, and palpations.
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Affiliation(s)
- Mathilde Musoni Falsing
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Philip Brainin
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark.,Department of Cardiology, Federal University of Acre, Acre, Brazil
| | - Ditte Madsen Andersen
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Ellen Larroudé
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Tommi Bo Lindhardt
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Kirstine Ravnkilde
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Daniel Modin
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Emil Høegholm Karsum
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Gunnar Gislason
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Tor Biering-Sørensen
- Cardiovascular Non-Invasive Imaging Research Laboratory, Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
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Targeting the Autonomic Nervous System for Risk Stratification, Outcome Prediction and Neuromodulation in Ischemic Stroke. Int J Mol Sci 2021; 22:ijms22052357. [PMID: 33652990 PMCID: PMC7956667 DOI: 10.3390/ijms22052357] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/22/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Ischemic stroke is a worldwide major cause of mortality and disability and has high costs in terms of health-related quality of life and expectancy as well as of social healthcare resources. In recent years, starting from the bidirectional relationship between autonomic nervous system (ANS) dysfunction and acute ischemic stroke (AIS), researchers have identified prognostic factors for risk stratification, prognosis of mid-term outcomes and response to recanalization therapy. In particular, the evaluation of the ANS function through the analysis of heart rate variability (HRV) appears to be a promising non-invasive and reliable tool for the management of patients with AIS. Furthermore, preclinical molecular studies on the pathophysiological mechanisms underlying the onset and progression of stroke damage have shown an extensive overlap with the activity of the vagus nerve. Evidence from the application of vagus nerve stimulation (VNS) on animal models of AIS and on patients with chronic ischemic stroke has highlighted the surprising therapeutic possibilities of neuromodulation. Preclinical molecular studies highlighted that the neuroprotective action of VNS results from anti-inflammatory, antioxidant and antiapoptotic mechanisms mediated by α7 nicotinic acetylcholine receptor. Given the proven safety of non-invasive VNS in the subacute phase, the ease of its use and its possible beneficial effect in hemorrhagic stroke as well, human studies with transcutaneous VNS should be less challenging than protocols that involve invasive VNS and could be the proof of concept that neuromodulation represents the very first therapeutic approach in the ultra-early management of stroke.
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Hemodynamics in acute stroke: Cerebral and cardiac complications. HANDBOOK OF CLINICAL NEUROLOGY 2021; 177:295-317. [PMID: 33632449 DOI: 10.1016/b978-0-12-819814-8.00015-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Hemodynamics is the study of blood flow, where parameters have been defined to quantify blood flow and the relationship with systemic circulatory changes. Understanding these perfusion parameters, the relationship between different blood flow variables and the implications for ischemic injury are outlined in the ensuing discussion. This chapter focuses on the hemodynamic changes that occur in ischemic stroke, and their contribution to ischemic stroke pathophysiology. We discuss the interaction between cardiovascular response and hemodynamic changes in stroke. Studying hemodynamic changes has a key role in stroke prevention, therapeutic implications and prognostic importance in acute ischemic stroke: preexisting hemodynamic and autoregulatory impairments predict the occurrence of stroke. Hemodynamic failure predisposes to the formation of thromboemboli and accelerates infarction due to impairing compensatory mechanisms. In ischemic stroke involving occlusion of a large vessel, persistent collateral circulation leads to preservation of ischemic penumbra and therefore justifying endovascular thrombectomy. Following thrombectomy, impaired autoregulation may lead to reperfusion injury and hemorrhage.
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Hassett CE, Cho SM, Suarez JI. Tachyarrhythmias and neurologic complications. HANDBOOK OF CLINICAL NEUROLOGY 2021; 177:151-162. [PMID: 33632434 DOI: 10.1016/b978-0-12-819814-8.00004-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Tachyarrhythmias are abnormal heart rhythms with a ventricular rate of 100 or more beats per minute. These rhythms are classified as either narrow or wide-complex tachycardia with further subdivision into regular or irregular rhythm. Patients are frequently symptomatic presenting with palpitations, diaphoresis, dyspnea, chest pain, dizziness, and syncope. Sudden cardiac death may occur with certain arrhythmias. Recognizing tachyarrhythmia and understanding its management is important as a wide spectrum of neurologic complications have been associated with such arrhythmias. The purpose of this chapter is to provide a comprehensive overview on the neurologic complications of tachyarrhythmias, neurologic adverse events of antiarrhythmic interventions, and neurologic conditions that can precipitate tachyarrhythmia.
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Affiliation(s)
- Catherine E Hassett
- Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Sung-Min Cho
- Neurosciences Critical Care, Departments of Anesthesiology and Critical Care Medicine, Neurology, and Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Jose I Suarez
- Neurosciences Critical Care, Departments of Anesthesiology and Critical Care Medicine, Neurology, and Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States.
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Neurological update: use of cardiac troponin in patients with stroke. J Neurol 2020; 268:2284-2292. [PMID: 33372247 PMCID: PMC8179917 DOI: 10.1007/s00415-020-10349-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 12/04/2020] [Indexed: 02/07/2023]
Abstract
Cardiac troponin is a specific and sensitive biomarker to identify and quantify myocardial injury. Myocardial injury is frequently detected after acute ischemic stroke and strongly associated with unfavorable outcomes. Concomitant acute coronary syndrome is only one of several possible differential diagnoses that may cause elevation of cardiac troponin after stroke. As a result, there are uncertainties regarding the correct interpretation and optimal management of stroke patients with myocardial injury in clinical practice. Elevation of cardiac troponin may occur as part of a 'Stroke-Heart Syndrome'. The term 'Stroke-Heart Syndrome' subsumes a clinical spectrum of cardiac complications after stroke including cardiac injury, dysfunction, and arrhythmia which may relate to disturbances of autonomic function and the brain-heart axis. In this review, we provide an up-to-date overview about prognostic implications, mechanisms, and management of elevated cardiac troponin levels in patients with acute ischemic stroke.
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Lee KJ, Kim SE, Kim JY, Kang J, Kim BJ, Han MK, Choi KH, Kim JT, Shin DI, Cha JK, Kim DH, Kim DE, Ryu WS, Park JM, Kang K, Kim JG, Lee SJ, Oh MS, Yu KH, Lee BC, Park HK, Hong KS, Cho YJ, Choi JC, Sohn SI, Hong JH, Park MS, Park TH, Park SS, Lee KB, Kwon JH, Kim WJ, Lee J, Lee JS, Lee J, Gorelick PB, Bae HJ. Five-Year Risk of Acute Myocardial Infarction After Acute Ischemic Stroke in Korea. J Am Heart Assoc 2020; 10:e018807. [PMID: 33372531 PMCID: PMC7955456 DOI: 10.1161/jaha.120.018807] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background The long‐term incidence of acute myocardial infarction (AMI) in patients with acute ischemic stroke (AIS) has not been well defined in large cohort studies of various race‐ethnic groups. Methods and Results A prospective cohort of patients with AIS who were registered in a multicenter nationwide stroke registry (CRCS‐K [Clinical Research Collaboration for Stroke in Korea] registry) was followed up for the occurrence of AMI through a linkage with the National Health Insurance Service claims database. The 5‐year cumulative incidence and annual risk were estimated according to predefined demographic subgroups, stroke subtypes, a history of coronary heart disease (CHD), and known risk factors of CHD. A total of 11 720 patients with AIS were studied. The 5‐year cumulative incidence of AMI was 2.0%. The annual risk was highest in the first year after the index event (1.1%), followed by a much lower annual risk in the second to fifth years (between 0.16% and 0.27%). Among subgroups, annual risk in the first year was highest in those with a history of CHD (4.1%) compared with those without a history of CHD (0.8%). The small‐vessel occlusion subtype had a much lower incidence (0.8%) compared with large‐vessel occlusion (2.2%) or cardioembolism (2.4%) subtypes. In the multivariable analysis, history of CHD (hazard ratio, 2.84; 95% CI, 2.01–3.93) was the strongest independent predictor of AMI after AIS. Conclusions The incidence of AMI after AIS in South Korea was relatively low and unexpectedly highest during the first year after stroke. CHD was the most substantial risk factor for AMI after stroke and conferred an approximate 5‐fold greater risk.
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Ding R, Zhu D, Ma Y, Shi X, He P. Comparison of health service use and costs in stroke with and without comorbidities: a cross-sectional analysis using China urban medical claims data. BMJ Open 2020; 10:e037032. [PMID: 33303430 PMCID: PMC7733184 DOI: 10.1136/bmjopen-2020-037032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 11/08/2020] [Accepted: 11/17/2020] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES Stroke is the leading cause of death and disability in China, but there is scare of evidence on whether and to what extent comorbidity affects the stroke-related costs in health system. We examined the association between comorbidity and stroke-related health service utilisation and costs in urban China. SETTINGS The data used in this study were extracted by a 5% random sampling from claims data of China Urban Employees' Basic Medical Insurance and Urban Residents' Basic Medical Insurance from 2013 to 2016, which covered more than 93% of residents in urban China. The data included 89 cities and contained beneficiaries' demographic information, medical diagnoses and expenditures of outpatient and inpatients services. PARTICIPANTS 382 906 patients with stroke were identified as the study population in this study. PRIMARY AND SECONDARY OUTCOME MEASURES The information on health service utilisation and cost was extracted based on the condition that stroke was claimed as the index disease. RESULTS Among 382 906 patients with stroke, 41.0% had a comorbidity. The estimated number of annual outpatient visits among patients with 0, 1, 2 and 3 or more comorbidities were 1.97, 2.30, 2.34 and 2.37, respectively. The annual outpatient expenditure increased from 762.4 (95% CI 746.9 to 777.8) RMB among patients without any comorbidities to 1156.4 (1132.7 to 1180.2) RMB among patients with three or more comorbidities. The increased utilisation and costs among patients with comorbidity were also observed for inpatient services. Stroke-related services utilisation and costs were significantly increased among patients who comorbid conditions like hypertension or chronic pulmonary diseases. CONCLUSION Comorbidity among patients with stroke was associated with increased healthcare utilisation and cost. It poses an extra substantial healthcare burden in China. Our study provides information for both clinical management and health service planning and financing for patients with stroke.
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Affiliation(s)
- Ruoxi Ding
- China Center for Health Development Studies, Peking University, Beijing, China
| | - Dawei Zhu
- China Center for Health Development Studies, Peking University, Beijing, China
| | - Yong Ma
- China Health Insurance Research Association, Beijing, China
| | - Xuefeng Shi
- School of Management, Beijing University of Chinese Medicine, Beijing, China
| | - Ping He
- China Center for Health Development Studies, Peking University, Beijing, China
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Lian H, Xu X, Shen X, Chen J, Mao D, Zhao Y, Yao M. Early prediction of cerebral-cardiac syndrome after ischemic stroke: the PANSCAN scale. BMC Neurol 2020; 20:272. [PMID: 32641003 PMCID: PMC7341669 DOI: 10.1186/s12883-020-01833-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 06/18/2020] [Indexed: 01/05/2023] Open
Abstract
Background Cerebral-cardiac syndrome, newly developed cardiac damage manifestations subsequent to cerebral injuries, is a common complication of stroke and leads to increased morbidity and mortality. The current study is aimed to develop a risk prediction scale to stratify high-risk population of CCS among ischemic stroke patients. Methods The study included 410 cases from four tertiary medical centers from June 2018 to April 2019. The risk prediction model was established via logistic regression from the derivation cohort including 250 cases admitted between June 2018 and December 2018. Another 160 cases admitted from January 2019 to April 2019 were included as the validation cohort for external validation. The performance of the model was determined by the area under curve of the receiver operating characteristic curve. A rating scale was developed based on the magnitude of the logistic regression coefficient. Results The prevalence of CCS was 55.2% in our study. The predictive model derived from the derivation cohort showed good calibration by Hosmer-Lemeshow test (P = 0.492), and showed sensitivity of 0.935, specificity of 0.720, and Youden index of 0.655. The C-statistic for derivation and validation cohort were 0.888 and 0.813, respectively. Our PANSCAN score (0 to 10 points) was then established, which consists of the following independent risk factors: PT(12 s–14 s = 0; otherwise = 1), APTT(30s–45s = 0, otherwise = 1), Neutrophils(50–70% = 0; otherwise = 1), Sex(female = 1), Carotid artery stenosis(normal or mild = 0; moderate to severe = 2), Age(≥65 years = 1), NIHSS score(1 to 4 = 2; ≥5 = 3). Patients scored 3 or more points were stratified as high risk. Conclusion The risk prediction model showed satisfactory prediction effects. The PANSCAN scale provides convenient reference for preventative treatment and early management for high-risk patients. Trial registration The study was retrospectively registered in Chinese Trial Registry. The date of registration is April 17, 2019. Trial registration number: ChiCTR1900022587.
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Affiliation(s)
- Haijuan Lian
- Hangzhou Medical College, Hangzhou, 310053, China.,The Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China.,Medicine & Nursing Science School, Huzhou University, 1 Xueshi Road, Huzhou, 313000, China
| | - Xiaomeng Xu
- Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin Second Road, Shanghai, 200025, China
| | - Xuhui Shen
- Medicine & Nursing Science School, Huzhou University, 1 Xueshi Road, Huzhou, 313000, China
| | - Jinhua Chen
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China
| | - Dandan Mao
- Medicine & Nursing Science School, Huzhou University, 1 Xueshi Road, Huzhou, 313000, China
| | - Yan Zhao
- Medicine & Nursing Science School, Huzhou University, 1 Xueshi Road, Huzhou, 313000, China
| | - Meiqi Yao
- The Second Affiliated Hospital, School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009, China.
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Battaglini D, Robba C, Lopes da Silva A, Dos Santos Samary C, Leme Silva P, Dal Pizzol F, Pelosi P, Rocco PRM. Brain-heart interaction after acute ischemic stroke. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2020; 24:163. [PMID: 32317013 PMCID: PMC7175494 DOI: 10.1186/s13054-020-02885-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/13/2020] [Indexed: 02/07/2023]
Abstract
Early detection of cardiovascular dysfunctions directly caused by acute ischemic stroke (AIS) has become paramount. Researchers now generally agree on the existence of a bidirectional interaction between the brain and the heart. In support of this theory, AIS patients are extremely vulnerable to severe cardiac complications. Sympathetic hyperactivity, hypothalamic-pituitary-adrenal axis, the immune and inflammatory responses, and gut dysbiosis have been identified as the main pathological mechanisms involved in brain-heart axis dysregulation after AIS. Moreover, evidence has confirmed that the main causes of mortality after AIS include heart attack, congestive heart failure, hemodynamic instability, left ventricular systolic dysfunction, diastolic dysfunction, arrhythmias, electrocardiographic anomalies, and cardiac arrest, all of which are more or less associated with poor outcomes and death. Therefore, intensive care unit admission with continuous hemodynamic monitoring has been proposed as the standard of care for AIS patients at high risk for developing cardiovascular complications. Recent trials have also investigated possible therapies to prevent secondary cardiovascular accidents after AIS. Labetalol, nicardipine, and nitroprusside have been recommended for the control of hypertension during AIS, while beta blockers have been suggested both for preventing chronic remodeling and for treating arrhythmias. Additionally, electrolytic imbalances should be considered, and abnormal rhythms must be treated. Nevertheless, therapeutic targets remain challenging, and further investigations might be essential to complete this complex multi-disciplinary puzzle. This review aims to highlight the pathophysiological mechanisms implicated in the interaction between the brain and the heart and their clinical consequences in AIS patients, as well as to provide specific recommendations for cardiovascular management after AIS.
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Affiliation(s)
- Denise Battaglini
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Chiara Robba
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy
| | - Adriana Lopes da Silva
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cynthia Dos Santos Samary
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,Department of Physiotherapy, Faculty of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Pedro Leme Silva
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Felipe Dal Pizzol
- Unidade Acadêmica de Ciências da Saude, Universidade do Extremo Sul Catarinense (UNESC), Criciúma, Santa Catarina, Brazil
| | - Paolo Pelosi
- Anesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Patricia Rieken Macedo Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. .,Rio de Janeiro Network on Neuroinflammation, Carlos Chagas Filho Foundation for Supporting Research in the State of Rio de Janeiro (FAPERJ), Rio de Janeiro, Brazil.
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Sposato LA, Lam M, Allen B, Richard L, Shariff SZ, Saposnik G. First-ever ischemic stroke and increased risk of incident heart disease in older adults. Neurology 2020; 94:e1559-e1570. [DOI: 10.1212/wnl.0000000000009234] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 11/15/2019] [Indexed: 12/28/2022] Open
Abstract
ObjectivePoststroke cardiac complications are common. It is unknown whether the reason is shared risk factors and preexisting heart disease or stroke-associated myocardial and coronary injury. We tested the hypothesis that first-ever ischemic stroke is associated with increased risk of incident cardiovascular complications in patients without known preexisting cardiac comorbid conditions.MethodsThis population-based cohort study included residents in Ontario between 2002 and 2012 who were ≥66 years of age without known cardiovascular disease. We compared the incident risk of major adverse cardiovascular events (MACE), defined as myocardial infarction, unstable angina, congestive heart failure, coronary artery disease, coronary artery revascularization, or cardiovascular death, at 1 year in patients with first-ever ischemic stroke vs propensity-matched individuals without stroke (4:1 matching using 31 variables). To estimate cause-specific hazard ratios (HRs), we used Cox regression models adjusted for variables with weighted standardized differences >0.10 or known to influence the risk of MACE.ResultsWe included 21,931 patients with first-ever ischemic stroke and 71,696 propensity-matched individuals, well balanced on all variables used for propensity matching. First-ever ischemic stroke was associated with increased unadjusted incident MACE risk (HR 4.5, 95% confidence interval [CI] 4.3–4.8). MACE adjusted risk was highest in the first 30 days (HR 25.0, 95% CI 20.5–30.5) and declined both at 31 to 90 days (HR 4.8, 95% CI 4.1–5.7) and at 91 to 365 days (HR 2.2, 95% CI 2.0–2.4).ConclusionsIn this large population-based study, ischemic stroke was independently associated with increased risk of incident MACE. Whether this association is explained by stroke-associated cardiac injury, preexisting subclinical cardiovascular comorbid conditions, or both remains unknown.
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Strano S, Toni D, Ammirati F, Sanna T, Tomaino M, Brignole M, Mazza A, Nguyen BL, Di Bonaventura C, Ricci RP, Boriani G. Neuro-arrhythmology: a challenging field of action and research: a review from the Task Force of Neuro-arrhythmology of Italian Association of Arrhythmias and Cardiac Pacing. J Cardiovasc Med (Hagerstown) 2020; 20:731-744. [PMID: 31567632 DOI: 10.2459/jcm.0000000000000866] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
: There is a growing interest in the study of the mechanisms of heart and brain interactions with the aim to improve the management of high-impact cardiac rhythm disorders, first of all atrial fibrillation. However, there are several topics to which the scientific interests of cardiologists and neurologists converge constituting the basis for enhancing the development of neuro-arrhythmology. This multidisciplinary field should cover a wide spectrum of diseases, even beyond the classical framework corresponding to stroke and atrial fibrillation and include the complex issues of seizures as well as loss of consciousness and syncope. The implications of a more focused interaction between neurologists and cardiologists in the field of neuro-arrhythmology should include in perspective the institution of research networks specifically devoted to investigate 'from bench to bedside' the complex pathophysiological links of the abovementioned diseases, with involvement of scientists in the field of biochemistry, genetics, molecular medicine, physiology, pathology and bioengineering. An investment in the field could have important implications in the perspectives of a more personalized approach to patients and diseases, in the context of 'precision'medicine. Large datasets and electronic medical records, with the approach typical of 'big data' could enhance the possibility of new findings with potentially important clinical implications. Finally, the interaction between neurologists and cardiologists involved in arrythmia management should have some organizational implications, with new models of healthcare delivery based on multidisciplinary assistance, similarly to that applied in the case of syncope units.
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Affiliation(s)
| | - Danilo Toni
- Emergency Department Stroke Unit, Department of Human Neurosciences, Sapienza University of Rome
| | | | - Tommaso Sanna
- Fondazione Policlinico A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Institute of Cardiology, Rome
| | - Marco Tomaino
- Department of Cardiology, Ospedale di Bolzano, Bolzano
| | - Michele Brignole
- Department of Cardiology, Arrhythmologic Centre, Ospedali del Tigullio, Lavagna
| | - Andrea Mazza
- Cardiology Division, Santa Maria della Stella Hospital, Orvieto
| | | | | | | | - Giuseppe Boriani
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena University Hospital, Modena, Italy
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Khan A, Abedi V, Ishaq F, Sadighi A, Adibuzzaman M, Matsumura M, Holland N, Zand R. Fast-Track Long Term Continuous Heart Monitoring in a Stroke Clinic: A Feasibility Study. Front Neurol 2020; 10:1400. [PMID: 32038464 PMCID: PMC6985090 DOI: 10.3389/fneur.2019.01400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
Background: Paroxysmal atrial fibrillation (PAF) or flutter is prevalent among patients with cryptogenic stroke. The goal of this study was to investigate the feasibility of incorporating a fast-track, long term continuous heart monitoring (LTCM) program within a stroke clinic. Method: We designed and implemented a fast-track LTCM program in our stroke clinics. The instrument that we used for the study was the ZioXT® device from IRhythm™ Technologies. To implement the program, all clinic support staff received training on the skin preparation and proper placement of the device. We prospectively followed every patient who had a request from one of our inpatient or outpatient stroke or neurology providers to receive LTCM. We recorded patients' demographics, the LTCM indication, as well as related quality measures including same-visit placement, wearing time, analyzable time, LTCM application to the preliminary finding time, as well as patients' out of pocket cost. Results: Out of 501 patients included in the study, 467 (93.2%) patients (mean age 65.9 ± 13; men: 48%) received LTCM; and 92.5% of the patients had the diagnosis of stroke or TIA. 93.7% of patients received their LTCM during the same outpatient visit in the stroke clinic. The mean wearing time for LTCM was 12.1 days (out of 14 days). The average analyzable time among our patients was 95.0%. Eighteen (3.9%, 95%CI: 2.4-6.0) patients had at least one episode of PAF that was sustained for more than 30 s. The rate of PAF was 5.9% (95% CI: 3.5-9.2) among patients with the diagnosis of stroke. Out of 467 patients, 392 (84%) had an out-of-pocket cost of < $100. Conclusion: It is feasible to implement a fast-track cardiac monitoring as part of a stroke clinic with proper training of stroke providers, clinic staff, and support from a cardiology team.
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Affiliation(s)
- Ayesha Khan
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States
| | - Vida Abedi
- Department of Molecular and Functional Genomics, Weis Center for Research, Geisinger Health System, Danville, PA, United States
| | - Farhan Ishaq
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States
| | - Alireza Sadighi
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States
| | - Mohammad Adibuzzaman
- Regenstrief Center for Healthcare Engineering, Purdue University, West Lafayette, IN, United States
| | - Martin Matsumura
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States.,Geisinger Health System, Pearsall Heart Hospital, Wilkes Barre, PA, United States
| | - Neil Holland
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States
| | - Ramin Zand
- Geisinger Neuroscience Institute, Geisinger Health System, Danville, PA, United States
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