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Goldberg JF, Spinner JA, Soslow JH. Myocarditis in children 2024, new themes and continued questions. Curr Opin Cardiol 2024; 39:315-322. [PMID: 38661130 DOI: 10.1097/hco.0000000000001151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
PURPOSE OF REVIEW While pediatric myocarditis incidence has increased since the coronavirus disease 2019 (COVID-19) pandemic, there remain questions regarding diagnosis, risk stratification, and optimal therapy. This review highlights recent publications and continued unanswered questions related to myocarditis in children. RECENT FINDINGS Emergence from the COVID-19 era has allowed more accurate description of the incidence and prognosis of myocarditis adjacent to COVID-19 infection and vaccine administration as well that of multi-system inflammatory disease in children (MIS-C). As cardiac magnetic resonance technology has shown increased availability and evidence in pediatric myocarditis, it is important to understand conclusions from adult imaging studies and define the use of this imaging biomarker in children. Precision medicine has begun to allow real-time molecular evaluations to help diagnose and risk-stratify cardiovascular diseases, with emerging evidence of these modalities in myocarditis. SUMMARY Recent information regarding COVID-19 associated myocarditis, cardiac magnetic resonance, and molecular biomarkers may help clinicians caring for children with myocarditis and identify needs for future investigations.
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Silvetti MS, Colonna D, Gabbarini F, Porcedda G, Rimini A, D’Onofrio A, Leoni L. New Guidelines of Pediatric Cardiac Implantable Electronic Devices: What Is Changing in Clinical Practice? J Cardiovasc Dev Dis 2024; 11:99. [PMID: 38667717 PMCID: PMC11050217 DOI: 10.3390/jcdd11040099] [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: 02/09/2024] [Revised: 03/15/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Guidelines are important tools to guide the diagnosis and treatment of patients to improve the decision-making process of health professionals. They are periodically updated according to new evidence. Four new Guidelines in 2021, 2022 and 2023 referred to pediatric pacing and defibrillation. There are some relevant changes in permanent pacing. In patients with atrioventricular block, the heart rate limit in which pacemaker implantation is recommended was decreased to reduce too-early device implantation. However, it was underlined that the heart rate criterion is not absolute, as signs or symptoms of hemodynamically not tolerated bradycardia may even occur at higher rates. In sinus node dysfunction, symptomatic bradycardia is the most relevant recommendation for pacing. Physiological pacing is increasingly used and recommended when the amount of ventricular pacing is presumed to be high. New recommendations suggest that loop recorders may guide the management of inherited arrhythmia syndromes and may be useful for severe but not frequent palpitations. Regarding defibrillator implantation, the main changes are in primary prevention recommendations. In hypertrophic cardiomyopathy, pediatric risk calculators have been included in the Guidelines. In dilated cardiomyopathy, due to the rarity of sudden cardiac death in pediatric age, low ejection fraction criteria were demoted to class II. In long QT syndrome, new criteria included severely prolonged QTc with different limits according to genotype, and some specific mutations. In arrhythmogenic cardiomyopathy, hemodynamically tolerated ventricular tachycardia and arrhythmic syncope were downgraded to class II recommendation. In conclusion, these new Guidelines aim to assess all aspects of cardiac implantable electronic devices and improve treatment strategies.
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Affiliation(s)
- Massimo Stefano Silvetti
- Paediatric Cardiology and Cardiac Arrhythmia/Syncope Unit, Bambino Gesù Children’s Hospital IRCCS, European Reference Network for Rare and Low Prevalence Complex Disease of the Heart (ERN GUARD-Heart), 00100 Rome, Italy
| | - Diego Colonna
- Adult Congenital Heart Disease Unit, Monaldi Hospital, 80131 Naples, Italy;
| | - Fulvio Gabbarini
- Paediatric Cardiology and Adult Congenital Heart Disease Unit, Regina Margherita Hospital, 10126 Torino, Italy;
| | - Giulio Porcedda
- Paediatric Cardiology Unit, A. Meyer Children’s Hospital, 50139 Florence, Italy;
| | - Alessandro Rimini
- Paediatric Cardiology Unit, G. Gaslini Children’s Hospital IRCCS, 16147 Genoa, Italy;
| | - Antonio D’Onofrio
- Departmental Unit of Electrophysiology, Evaluation and Treatment of Arrhythmia, Monaldi Hospital, 80131 Naples, Italy;
| | - Loira Leoni
- Cardiology Unit, Department of Cardio-Thoracic-Vascular Science and Public Health, Padua University Hospital (ERN GUARD-Heart), 35121 Padua, Italy;
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3
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Ganea G, Cinteză EE, Filip C, Iancu MA, Balta MD, Vătășescu R, Vasile CM, Cîrstoveanu C, Bălgrădean M. Postoperative Cardiac Arrhythmias in Pediatric and Neonatal Patients with Congenital Heart Disease-A Narrative Review. Life (Basel) 2023; 13:2278. [PMID: 38137879 PMCID: PMC10744555 DOI: 10.3390/life13122278] [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: 10/06/2023] [Revised: 11/14/2023] [Accepted: 11/27/2023] [Indexed: 12/24/2023] Open
Abstract
Cardiac arrhythmias are a frequent complication in the evolution of patients with congenital heart disease. Corrective surgery for these malformations is an additional predisposition to the appearance of arrhythmias. Several factors related to the patient, as well as to the therapeutic management, are involved in the etiopathogenesis of cardiac arrhythmias occurring post-operatively. The risk of arrhythmias in the immediate postoperative period is correlated with the patient's young age and low weight at surgery. The change in heart geometry, hemodynamic stress, and post-surgical scars represent the main etiopathogenic factors that can contribute to the occurrence of cardiac arrhythmias in the population of patients with operated-on congenital heart malformations. Clinical manifestations differ depending on the duration of the arrhythmia, underlying structural defects, hemodynamic conditions, and comorbidities. The accurate diagnosis and the establishment of specific management options strongly influence the morbidity and mortality associated with arrhythmias. As such, identifying the risk factors for the occurrence of cardiac arrhythmias in the case of each patient is essential to establish a specific follow-up and management plan to improve the life expectancy and quality of life of children.
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Affiliation(s)
- Gabriela Ganea
- Department of Pediatrics, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (G.G.); (E.E.C.); (C.F.); (M.B.)
- “Marie Skolodowska Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
| | - Eliza Elena Cinteză
- Department of Pediatrics, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (G.G.); (E.E.C.); (C.F.); (M.B.)
- “Marie Skolodowska Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
| | - Cristina Filip
- Department of Pediatrics, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (G.G.); (E.E.C.); (C.F.); (M.B.)
- “Marie Skolodowska Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
| | - Mihaela Adela Iancu
- Department of Internal Medicine, Family Medicine and Labor Medicine, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- “Alessandrescu-Rusescu” National Institute for Mother and Child Health, 20382 Bucharest, Romania
| | - Mihaela Daniela Balta
- Department of Internal Medicine, Family Medicine and Labor Medicine, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- “Alessandrescu-Rusescu” National Institute for Mother and Child Health, 20382 Bucharest, Romania
| | - Radu Vătășescu
- Emergency Clinical Hospital, 014461 Bucharest, Romania
- Cardio-Thoracic Department, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Corina Maria Vasile
- Pediatric and Adult Congenital Cardiology Department, Centre Hospitalier Universitaire de Bordeaux, 33000 Bordeaux, France;
| | - Cătălin Cîrstoveanu
- Department of Neonatal Intensive Care, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Neonatal Intensive Care Unit, M.S. Curie Children’s Clinical Hospital, 041451 Bucharest, Romania
| | - Mihaela Bălgrădean
- Department of Pediatrics, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (G.G.); (E.E.C.); (C.F.); (M.B.)
- “Marie Skolodowska Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
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Dobrev D, Heijman J, Hiram R, Li N, Nattel S. Inflammatory signalling in atrial cardiomyocytes: a novel unifying principle in atrial fibrillation pathophysiology. Nat Rev Cardiol 2023; 20:145-167. [PMID: 36109633 PMCID: PMC9477170 DOI: 10.1038/s41569-022-00759-w] [Citation(s) in RCA: 79] [Impact Index Per Article: 79.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/26/2022] [Indexed: 02/08/2023]
Abstract
Inflammation has been implicated in atrial fibrillation (AF), a very common and clinically significant cardiac rhythm disturbance, but its precise role remains poorly understood. Work performed over the past 5 years suggests that atrial cardiomyocytes have inflammatory signalling machinery - in particular, components of the NLRP3 (NACHT-, LRR- and pyrin domain-containing 3) inflammasome - that is activated in animal models and patients with AF. Furthermore, work in animal models suggests that NLRP3 inflammasome activation in atrial cardiomyocytes might be a sufficient and necessary condition for AF occurrence. In this Review, we evaluate the evidence for the role and pathophysiological significance of cardiomyocyte NLRP3 signalling in AF. We first summarize the evidence for a role of inflammation in AF and review the biochemical properties of the NLRP3 inflammasome, as defined primarily in studies of classic inflammation. We then briefly consider the broader evidence for a role of inflammatory signalling in heart disease, particularly conditions that predispose individuals to develop AF. We provide a detailed discussion of the available information about atrial cardiomyocyte NLRP3 inflammasome signalling in AF and related conditions and evaluate the possibility that similar signalling might be important in non-myocyte cardiac cells. We then review the evidence on the role of active resolution of inflammation and its potential importance in suppressing AF-related inflammatory signalling. Finally, we consider the therapeutic potential and broader implications of this new knowledge and highlight crucial questions to be addressed in future research.
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Affiliation(s)
- Dobromir Dobrev
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Duisburg, Germany
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada
- Department of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, TX, USA
| | - Jordi Heijman
- Department of Cardiology, Cardiovascular Research Institute Maastricht, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands
| | - Roddy Hiram
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada
| | - Na Li
- Department of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, TX, USA
- Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, TX, USA
- Cardiovascular Research Institute, Baylor College of Medicine, Houston, TX, USA
| | - Stanley Nattel
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Duisburg, Germany.
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada.
- IHU LIRYC and Fondation Bordeaux Université, Bordeaux, France.
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada.
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5
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Zeppenfeld K, Tfelt-Hansen J, de Riva M, Winkel BG, Behr ER, Blom NA, Charron P, Corrado D, Dagres N, de Chillou C, Eckardt L, Friede T, Haugaa KH, Hocini M, Lambiase PD, Marijon E, Merino JL, Peichl P, Priori SG, Reichlin T, Schulz-Menger J, Sticherling C, Tzeis S, Verstrael A, Volterrani M. 2022 ESC Guidelines for the management of patients with ventricular arrhythmias and the prevention of sudden cardiac death. Eur Heart J 2022; 43:3997-4126. [PMID: 36017572 DOI: 10.1093/eurheartj/ehac262] [Citation(s) in RCA: 890] [Impact Index Per Article: 445.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Dionne A, Friedman KG, Young CC, Newhams MM, Kucukak S, Jackson AM, Fitzgerald JC, Smallcomb LS, Heidemann S, McLaughlin GE, Irby K, Bradford TT, Horwitz SM, Loftis LL, Soma VL, Rowan CM, Kong M, Halasa NB, Tarquinio KM, Schwarz AJ, Hume JR, Gertz SJ, Clouser KN, Carroll CL, Wellnitz K, Cullimore ML, Doymaz S, Levy ER, Typpo KV, Lansell AN, Butler AD, Kuebler JD, Zambrano LD, Campbell AP, Patel MM, Randolph AG, Newburger JW. Tachyarrhythmias During Hospitalization for COVID-19 or Multisystem Inflammatory Syndrome in Children and Adolescents. J Am Heart Assoc 2022; 11:e025915. [PMID: 36250670 PMCID: PMC9673680 DOI: 10.1161/jaha.122.025915] [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: 02/25/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022]
Abstract
Background Cardiac complications related to COVID-19 in children and adolescents include ventricular dysfunction, myocarditis, coronary artery aneurysm, and bradyarrhythmias, but tachyarrhythmias are less understood. The goal of this study was to evaluate the frequency, characteristics, and outcomes of children and adolescents experiencing tachyarrhythmias while hospitalized for acute severe COVID-19 or multisystem inflammatory syndrome in children. Methods and Results This study involved a case series of 63 patients with tachyarrhythmias reported in a public health surveillance registry of patients aged <21 years hospitalized from March 15, 2020, to December 31, 2021, at 63 US hospitals. Patients with tachyarrhythmias were compared with patients with severe COVID-19-related complications without tachyarrhythmias. Tachyarrhythmias were reported in 22 of 1257 patients (1.8%) with acute COVID-19 and 41 of 2343 (1.7%) patients with multisystem inflammatory syndrome in children. They included supraventricular tachycardia in 28 (44%), accelerated junctional rhythm in 9 (14%), and ventricular tachycardia in 38 (60%); >1 type was reported in 12 (19%). Registry patients with versus without tachyarrhythmia were older (median age, 15.4 [range, 10.4-17.4] versus 10.0 [range, 5.4-14.8] years) and had higher illness severity on hospital admission. Intervention for treatment of tachyarrhythmia was required in 37 (59%) patients and included antiarrhythmic medication (n=31, 49%), electrical cardioversion (n=11, 17%), cardiopulmonary resuscitation (n=8, 13%), and extracorporeal membrane oxygenation (n=9, 14%). Patients with tachyarrhythmias had longer hospital length of stay than those who did not, and 9 (14%) versus 77 (2%) died. Conclusions Tachyarrhythmias were a rare complication of acute severe COVID-19 and multisystem inflammatory syndrome in children and adolescents and were associated with worse clinical outcomes, highlighting the importance of close monitoring, aggressive treatment, and postdischarge care.
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Affiliation(s)
- Audrey Dionne
- Department of CardiologyBoston Children’s HospitalDepartment of PediatricsHarvard Medical SchoolBostonMA
| | - Kevin G. Friedman
- Department of CardiologyBoston Children’s HospitalDepartment of PediatricsHarvard Medical SchoolBostonMA
| | - Cameron C. Young
- Department of Anesthesiology, Critical Care, and Pain MedicineBoston Children’s HospitalBostonMA
| | - Margaret M. Newhams
- Department of Anesthesiology, Critical Care, and Pain MedicineBoston Children’s HospitalBostonMA
| | - Suden Kucukak
- Department of Anesthesiology, Critical Care, and Pain MedicineBoston Children’s HospitalBostonMA
| | - Ashley M. Jackson
- COVID‐19 Response, Centers for Disease Control and PreventionAtlantaGA
| | - Julie C. Fitzgerald
- Division of Critical CareDepartment of Anesthesiology and Critical CareUniversity of Pennsylvania Perelman School of MedicinePhiladelphiaPA
| | - Laura S. Smallcomb
- Department of PediatricsMedical University of South CarolinaCharlestonSC
| | - Sabrina Heidemann
- Division of Pediatric Critical Care Medicine, Department of PediatricsCentral Michigan UniversityDetroitMI
| | - Gwenn E. McLaughlin
- Division of Pediatric Critical Care MedicineDepartment of PediatricsUniversity of Miami Miller School of MedicineMiamiFL
| | - Katherine Irby
- Section of Pediatric Critical CareDepartment of PediatricsArkansas Children’s HospitalLittle RockAR
| | - Tamara T. Bradford
- Division of Cardiology, Department of PediatricsLouisiana State University Health Sciences Center and Children’s Hospital of New OrleansNew OrleansLA
| | - Steven M. Horwitz
- Division of Pediatric Critical Care Medicine, Department of PediatricsRutgers Robert Wood Johnson Medical SchoolNew BrunswickNJ
| | - Laura L. Loftis
- Section of Critical Care MedicineDepartment of PediatricsTexas Children’s HospitalHoustonTX
| | - Vijaya L. Soma
- Division of Infectious Diseases, Department of PediatricsNew York University Grossman School of Medicine and Hassenfeld Children’s HospitalNew YorkNY
| | - Courtney M. Rowan
- Division of Pediatric Critical Care MedicineDepartment of PediatricsIndiana University School of MedicineRiley Hospital for ChildrenIndianapolisIN
| | - Michele Kong
- Division of Pediatric Critical Care MedicineDepartment of PediatricsUniversity of Alabama at BirminghamBirminghamAL
| | - Natasha B. Halasa
- Division of Pediatric Infectious DiseasesDepartment of PediatricsVanderbilt University Medical CenterNashvilleTN
| | - Keiko M. Tarquinio
- Division of Critical Care MedicineDepartment of PediatricsEmory University School of MedicineChildren’s Healthcare of AtlantaAtlantaGA
| | - Adam J. Schwarz
- Division of Critical Care MedicineCHOC Children’s HospitalOrangeCA
| | - Janet R. Hume
- Division of Pediatric Critical CareUniversity of Minnesota Masonic Children’s HospitalMinneapolisMN
| | - Shira J. Gertz
- Division of Pediatric Critical CareDepartment of PediatricsCooperman Barnabas Medical CenterLivingstonNJ
| | | | | | - Kari Wellnitz
- Division of Pediatric Critical CareStead Family Department of PediatricsUniversity of Iowa Carver College of MedicineIowa CityIA
| | - Melissa L. Cullimore
- Division of Pediatric Critical CareDepartment of Pediatrics, Children’s Hospital and Medical CenterOmahaNE
| | - Sule Doymaz
- Division of Pediatric Critical CareDepartment of PediatricsSUNY Downstate Health Sciences UniversityBrooklynNY
| | - Emily R. Levy
- Divisions of Pediatric Infectious Diseases and Pediatric Critical Care MedicineDepartment of Pediatric and Adolescent Medicine, Mayo ClinicRochesterMN
| | - Katri V. Typpo
- Division of Pediatric Critical CareDepartment of PediatricsUniversity of ArizonaTucsonAZ
| | - Amanda N. Lansell
- Division of Pediatric Hospital MedicineRainbow Babies and Children’s HospitalClevelandOH
| | - Andrew D. Butler
- Division of Pediatric Critical CareSt. Christopher’s Hospital for ChildrenPhiladelphiaPA
| | - Joseph D. Kuebler
- Division of Pediatric Critical CareDepartment of PediatricsGolisano Children’s HospitalUniversity of RochesterRochesterNY
| | - Laura D. Zambrano
- COVID‐19 Response, Centers for Disease Control and PreventionAtlantaGA
| | | | - Manish M. Patel
- COVID‐19 Response, Centers for Disease Control and PreventionAtlantaGA
| | - Adrienne G. Randolph
- Department of Anesthesiology, Critical Care, and Pain MedicineBoston Children’s HospitalBostonMA
- Departments of Anaesthesia and PediatricsHarvard Medical SchoolBostonMA
| | - Jane W. Newburger
- Department of CardiologyBoston Children’s HospitalDepartment of PediatricsHarvard Medical SchoolBostonMA
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Jayashree M, Patil M, Benakatti G, Rohit MK, Singhi S, Bansal A, Baranwal A, Nallasamy K, Angurana SK. Clinical Profile and Predictors of Outcome in Children with Acute Fulminant Myocarditis Receiving Intensive Care: A Single Center Experience. J Pediatr Intensive Care 2022; 11:215-220. [DOI: 10.1055/s-0040-1722339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 11/27/2020] [Indexed: 11/09/2022] Open
Abstract
AbstractAcute myocarditis in children is associated with high morbidity and mortality, with limited data on intravenous immunoglobulin (IVIG) treatment and outcome. Our goal was to describe clinical, treatment profile, and predictors of outcome in children with acute fulminant myocarditis (AFM) receiving intensive care. Case records of 120 children with clinical diagnosis of acute myocarditis from January 2008 to December 2018 were analyzed retrospectively. AFM was seen in 89 (74.2%) children of which nearly two-thirds (54 [60.7%]) were hypotensive at admission. The median (interquartile range [IQR]) ejection fraction on echocardiography was 25 (18.5–36%). Eighty-two children (68.3%) received IVIG. Intensive care needs were mechanical ventilation (n = 71; 59.2%) and inotrope support (n = 89; 74.2%); median inotrope score being 30 (IQR: 20–55). Twenty-one children died (17.5%). Fever (p = 0.004), arrhythmia (p = 0.03), shock (p = 0.015), higher inotrope score (p = 0.0001), need for ventilation (p = 0.025), acidosis (p = 0.013), AKI (p = 0.0001), transaminitis (p = 0.0001), and multiorgan dysfunction (p = 0.0001) were associated with mortality. The mortality was significantly less in IVIG treated group (12.1 vs. 28.9%; p = 0.02). On multiple logistic regression, MODS (p = 0.002) was independent predictor of mortality while IVIG treatment (p = 0.004) was favorably associated with survival. AFM complicated by multiorgan dysfunction carried a poor prognosis. IVIG was associated with survival benefit.
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Affiliation(s)
- Muralidharan Jayashree
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Manisha Patil
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Govindappa Benakatti
- Department of Pediatric Intensive Care, NMC Royal Hospital, Abu Dhabi, United Arab Emirates
| | - Manoj K. Rohit
- Department of Cardiology, Advanced Cardiac Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sunit Singhi
- Department of Pediatrics, Medanta, the Medicity, Gurugram, India
| | - Arun Bansal
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Arun Baranwal
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Karthi Nallasamy
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Suresh Kumar Angurana
- Division of Pediatric Emergency and Intensive Care, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Sozzi FB, Gherbesi E, Faggiano A, Gnan E, Maruccio A, Schiavone M, Iacuzio L, Carugo S. Viral Myocarditis: Classification, Diagnosis, and Clinical Implications. Front Cardiovasc Med 2022; 9:908663. [PMID: 35795363 PMCID: PMC9250986 DOI: 10.3389/fcvm.2022.908663] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Myocarditis is an inflammatory disease of the myocardium with focal or diffuse involvement. Viral infections are the most common cause of myocarditis, especially in Western countries. A recent viral illness with gastroenteric or upper respiratory symptoms often precedes myocarditis. The absence of specific pathognomonic features in conjunction with the wide spectrum of clinical manifestations that range from subclinical cases to sudden cardiac death (SCD) makes myocarditis diagnosis particularly challenging. Moreover, myocarditis might represent a cause of initially unexplained dilated cardiomyopathy (DCM) and heart failure (HF), especially among children and young adults. Cardiac magnetic resonance imaging (CMR) is crucial for myocarditis diagnosis, because of its ability to detect interstitial edema during acute inflammation. Assessment of subepicardial or mid-myocardial fibrosis by late gadolinium enhancement (LGE) is typical for myocarditis. Cardiac arrhythmias are frequent events that may arise especially in more severe myocarditis cases. The most common form of arrhythmia is atrial fibrillation, followed by ventricular tachycardia. Documented arrhythmias have been reported more commonly with HIV myocarditis than other more common infections such as Adenovirus, Parvovirus B19, human Herpes virus 6, and Enterovirus. The mechanisms of arrhythmogenesis in myocardial inflammation are not fully understood; in the acute phase, the spectrum of arrhythmogenesis ranges from a direct effect on cardiomyocytes that leads to electrical instability and ion channel impairment to ischemia from coronary macro- or microvascular disease. In chronic myocarditis, instead, myocardial replacement with fibrosis promotes scar-mediated re-entrant ventricular arrhythmias. Observational data suggested the important role of CMR, with LGE being the strongest independent predictor of SCD, cardiac, and all-cause mortality. In acute myocarditis, the most common localization of subepicardial LGE dwells in the lateral wall. Patients with myocarditis that develop HF and arrhythmias usually show a larger LGE distribution involving several myocardial segments. Moreover, a mid-layer LGE in the interventricular septum is more frequent in acute myocarditis than in acute coronary syndromes cases. The risk of SCD in patients with wide areas of LGE is significant, and a shared decision-making approach is warranted. Nevertheless, there is no formal consensus about the extension of LGE to justify implantable cardioverter defibrillator (ICD) implantation in primary prevention.
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Affiliation(s)
- Fabiola B. Sozzi
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
| | - Elisa Gherbesi
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
| | - Andrea Faggiano
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
| | - Eleonora Gnan
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
| | - Alessio Maruccio
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
| | - Marco Schiavone
- Cardiology Unit, Luigi Sacco University Hospital, Milan, Italy
| | | | - Stefano Carugo
- Cardiology Unit, Internal Medicine Department, Fondazione Ospedale Maggiore Policlinico IRCCS Cà Granda, University of Milan, Milan, Italy
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9
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Are clinical features and cardiac biomarkers at admission related to severity in pediatric acute myocarditis?: Clinical features and cardiac biomarkers in pediatric acute myocarditis. Arch Pediatr 2022; 29:376-380. [PMID: 35637043 DOI: 10.1016/j.arcped.2022.03.008] [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: 04/24/2021] [Revised: 10/04/2021] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
Abstract
OBJECTIVES To evaluate the factors associated with intensive care requirement and mortality in pediatric myocarditis. METHODS Children aged 28 days to 18 years who were diagnosed with acute myocarditis in a pediatric emergency department between January 2010 and September 2020 were enrolled in the study retrospectively. Demographic and clinical features, cardiac biomarkers, and imaging findings were evaluated. Length of hospital stay, need for hospitalization in the pediatric intensive care unit (PICU), treatments, and survival outcomes were recorded. To define the severity of disease, three groups were created and the data were compared in terms of clinical, laboratory, and imaging findings. The patients treated in the pediatric ward were compared with those hospitalized in the PICU. Ventricular dysfunction was defined in patients with a left ventricular ejection fraction (LVEF) of <50% and these patients were compared with those who had an LVEF of >50%. Also, survivor and non-survivor patients were compared. RESULTS A total number of 62 patients with a median age of 8 years were included. Chest pain and tachycardia were the most common findings on physical examination. The mean LVEF was 59.3 ± 13.0% at admission. Of the patients, 17 were hospitalized in the PICU (27.4%). Chest pain was more common in patients hospitalized in the pediatric ward (p<0.001), and hypotension, vomiting, arrhythmia, were more common and LVEF was lower in patients in the PICU (p = 0.017, p = 0.008, p = 0.006, and p = 0.025, respectively). The children treated in the PICU were younger than those in the pediatric ward (p = 0.009). Troponin I levels were significantly higher in the pediatric ward (p = 0.035), and brain natriuretic peptide (BNP) levels were higher in patients in the PICU (p = 0.012). Death occurred in four patients. Hypotension and vomiting were significantly more common in non-survivors (p = 0.020 and 0.004, respectively). Inotropes and intravenous immunoglobulin (IVIG) were more commonly used in non-survivors (p = 0.001 and p = 0.015, respectively). BNP levels were higher in non-survivors (p = 0.008), and troponin I levels were not different between survivors and non-survivors (p = 0.260). CONCLUSION In pediatric acute myocarditis, lower LVEF, increased BNP, as well as the presence of hypotension and arrhythmia were found to be related to intensive care requirement. Hypotension and vomiting were found to be more common in non-survivors. Due to the possibility of rapidly worsening disease, physicians should be alert to the presence of these findings.
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Dionne A, Sperotto F, Chamberlain S, Baker AL, Powell AJ, Prakash A, Castellanos DA, Saleeb SF, de Ferranti SD, Newburger JW, Friedman KG. Association of Myocarditis With BNT162b2 Messenger RNA COVID-19 Vaccine in a Case Series of Children. JAMA Cardiol 2021; 6:1446-1450. [PMID: 34374740 DOI: 10.1001/jamacardio.2021.3471] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Importance The BNT162b2 (Pfizer-BioNTech) messenger RNA COVID-19 vaccine was authorized on May 10, 2021, for emergency use in children aged 12 years and older. Initial reports showed that the vaccine was well tolerated without serious adverse events; however, cases of myocarditis have been reported since approval. Objective To review results of comprehensive cardiac imaging in children with myocarditis after COVID-19 vaccine. Design, Setting, and Participants This study was a case series of children younger than 19 years hospitalized with myocarditis within 30 days of BNT162b2 messenger RNA COVID-19 vaccine. The setting was a single-center pediatric referral facility, and admissions occurred between May 1 and July 15, 2021. Main Outcomes and Measures All patients underwent cardiac evaluation including an electrocardiogram, echocardiogram, and cardiac magnetic resonance imaging. Results Fifteen patients (14 male patients [93%]; median age, 15 years [range, 12-18 years]) were hospitalized for management of myocarditis after receiving the BNT162b2 (Pfizer) vaccine. Symptoms started 1 to 6 days after receipt of the vaccine and included chest pain in 15 patients (100%), fever in 10 patients (67%), myalgia in 8 patients (53%), and headache in 6 patients (40%). Troponin levels were elevated in all patients at admission (median, 0.25 ng/mL [range, 0.08-3.15 ng/mL]) and peaked 0.1 to 2.3 days after admission. By echocardiographic examination, decreased left ventricular (LV) ejection fraction (EF) was present in 3 patients (20%), and abnormal global longitudinal or circumferential strain was present in 5 patients (33%). No patient had a pericardial effusion. Cardiac magnetic resonance imaging findings were consistent with myocarditis in 13 patients (87%) including late gadolinium enhancement in 12 patients (80%), regional hyperintensity on T2-weighted imaging in 2 patients (13%), elevated extracellular volume fraction in 3 patients (20%), and elevated LV global native T1 in 2 patients (20%). No patient required intensive care unit admission, and median hospital length of stay was 2 days (range 1-5). At follow-up 1 to 13 days after hospital discharge, 11 patients (73%) had resolution of symptoms. One patient (7%) had persistent borderline low LV systolic function on echocardiogram (EF 54%). Troponin levels remained mildly elevated in 3 patients (20%). One patient (7%) had nonsustained ventricular tachycardia on ambulatory monitor. Conclusions and Relevance In this small case series study, myocarditis was diagnosed in children after COVID-19 vaccination, most commonly in boys after the second dose. In this case series, in short-term follow-up, patients were mildly affected. The long-term risks associated with postvaccination myocarditis remain unknown. Larger studies with longer follow-up are needed to inform recommendations for COVID-19 vaccination in this population.
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Affiliation(s)
- Audrey Dionne
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Francesca Sperotto
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Stephanie Chamberlain
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Annette L Baker
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Andrew J Powell
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Ashwin Prakash
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Daniel A Castellanos
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Susan F Saleeb
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Sarah D de Ferranti
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Jane W Newburger
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Kevin G Friedman
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
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11
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Acute Late-Stage Myocarditis in the Crab-Eating Macaque Model of Hemorrhagic Smallpox. Viruses 2021; 13:v13081571. [PMID: 34452435 PMCID: PMC8402688 DOI: 10.3390/v13081571] [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: 07/11/2021] [Revised: 07/30/2021] [Accepted: 08/01/2021] [Indexed: 12/28/2022] Open
Abstract
Hemorrhagic smallpox, caused by variola virus (VARV), was a rare but nearly 100% lethal human disease manifestation. Hemorrhagic smallpox is frequently characterized by secondary bacterial infection, coagulopathy, and myocardial and subendocardial hemorrhages. Previous experiments have demonstrated that intravenous (IV) cowpox virus (CPXV) exposure of macaques mimics human hemorrhagic smallpox. The goal of this experiment was to further understand the onset, nature, and severity of cardiac pathology and how it may contribute to disease. The findings support an acute late-stage myocarditis with lymphohistiocytic infiltrates in the CPXV model of hemorrhagic smallpox.
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12
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Identification of prognostic factors for pediatric myocarditis with a random forests algorithm-assisted approach. Pediatr Res 2021; 90:427-430. [PMID: 33208880 DOI: 10.1038/s41390-020-01268-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 08/26/2020] [Accepted: 10/11/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Pediatric myocarditis is a rare disease with substantial mortality. Little is known regarding its prognostic factors. We hypothesize that certain comorbidities and procedural needs may increase risks of poor outcomes. This study aims to identify prognostic factors for pediatric myocarditis. METHODS The national Kids' Inpatient Database was used in the study. A random forests algorithm was implemented for mortality prediction based on comorbidities and procedures. Linear regression analysis was then performed to quantify their associations with mortality and length of stay. RESULTS The prevalence of pediatric myocarditis among all pediatric hospitalizations doubled from 2003 to 2016. The mortality rate peaked in 2006 (6.7%) and declined steadily thereafter, with a rate of 3.2% in 2016. Brain injury (including encephalopathy, cerebral edema, and intracranial hemorrhage), acute kidney injury, dysrhythmias, coagulopathy, sepsis, and ECMO use were all independent prognostic factors associated with increased mortality and prolonged hospital stay. CONCLUSION Prognostic factor identification may not be straightforward in rare diseases such as pediatric myocarditis due to small cohort size in each treating facility. Findings from this report provide insights into the prognostic factors for pediatric myocarditis, and may allow clinicians to be better prepared when informing patients and their families regarding disease outcomes. IMPACT The rate of hospitalization due to pediatric myocarditis was increasing but the mortality rate was declining over the past decade. End organ damage, including the brain and the kidney, was associated with mortality and prolonged hospital stay in pediatric myocarditis. Tachyarrhythmias and cardiac function compromise requiring ECMO were also associated with mortality and prolonged hospital stay. A data science approach combining machine learning algorithms and conventional regression modeling using a large dataset may facilitate risk factor identification and outcome correlation in rare diseases, as illustrated in this study.
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13
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Usefulness of Left Ventricular Myocardial Deformation in Children Hospitalized for Acute Myocarditis who Develop Arrhythmias. Am J Cardiol 2021; 152:113-119. [PMID: 34148631 PMCID: PMC10103582 DOI: 10.1016/j.amjcard.2021.04.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/12/2021] [Accepted: 04/16/2021] [Indexed: 11/24/2022]
Abstract
Cardiac arrhythmias occur in 3-40% of patients with acute myocarditis and cause significant morbidity and mortality. Myocardial injury also results in abnormal myocardial deformation. The relationship between left ventricular (LV) deformation, measured by two-dimensional speckle tracking echocardiography (2D-STE), and arrhythmia in pediatric myocarditis is unknown. We evaluated the association between 2D-STE and arrhythmias in children hospitalized with acute myocarditis. We reviewed patients ≤ 18 years hospitalized for acute myocarditis from 2008 to 2018. Arrhythmias were defined as 1) non-sustained or sustained ventricular tachycardia or ventricular fibrillation, 2) sustained supraventricular tachycardia (SVT), 3) high-grade or complete heart block, and 4) any arrhythmia treated with an antiarrhythmic medication. Systolic LV strain values (including LV global longitudinal strain (GLS), global circumferential strain (GCS), and six segments of LV regional long axis strain) were obtained from initial echocardiograms during hospitalization. Of 66 patients hospitalized, 23 (35%) had arrhythmias. SVT was the predominant arrhythmia (74%). Global and regional strain indices were reduced in the arrhythmia group: LV GLS [-8.9 (IQR -13.6, -6.1) vs. -13.7 (IQR -16.9, -9.7), p = 0.038]; basal inferior/septal [-10.7 (IQR -15.5, -7.8) vs. -16.4 (IQR -18, -11.8), p = 0.009]; basal anterior/lateral [-7.1 (IQR -12.8, -4.7) vs. -9.4 (IQR -16.7, -7.4), p = 0.025]; and mid inferior/septal segments [-9 (IQR -13, -7.7) vs. -14.1 (IQR -22.5, -10.7), p = 0.007]. After controlling for age, reductions in GLS and segmental strain in the two basal and two mid-segments were associated with increased arrhythmia occurrence (p <0.05). Our findings suggest that echocardiographic LV deformation by 2D-STE may be useful in identifying pediatric patients with acute myocarditis at risk for arrhythmias.
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14
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Regan W, O'Byrne L, Stewart K, Miller O, Pushparajah K, Theocharis P, Wong J, Rosenthal E. Electrocardiographic Changes in Children with Multisystem Inflammation Associated with COVID-19: Associated with Coronavirus Disease 2019. J Pediatr 2021; 234:27-32.e2. [PMID: 33358846 PMCID: PMC7836928 DOI: 10.1016/j.jpeds.2020.12.033] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To analyze findings and trends on serial electrocardiograms (ECGs) in multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease taken during the course of illness and at follow-up. STUDY DESIGN We included all children presenting with MIS-C at a single center with 3 or more ECGs taken during the course of their illness. We measured ECG intervals (PR, QRSd, and QTc) and amplitudes (R-, S-, and T-waves) on each ECG and documented any arrhythmias and ST-segment changes. RESULTS A majority of children (n = 42, 67%) showed ECG changes. The most common findings were low QRS amplitudes and transient T-wave inversion. ST changes were uncommon and included ST-segment elevation consistent with pericarditis in 1 child and acute coronary ischemia in 1 child. Arrhythmias were seen in 13 children (21%) but were benign with the exception of 1 child who was compromised by an atrial tachycardia requiring support with extracorporeal membrane oxygenation. No children were found to have high-grade atrioventricular block. CONCLUSIONS MIS-C is associated with electrocardiographic changes over the course of the illness, with low amplitude ECGs on presentation, followed by transient T-wave inversion, particularly in the precordial leads. There was a low prevalence of ST-segment changes and tachyarrhythmias.
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Affiliation(s)
- William Regan
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom.
| | - Laura O'Byrne
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom
| | - Kirsty Stewart
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom
| | - Owen Miller
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom; Department of Women and Children's Health, Faculty of Life Science and Medicine, King's College, London, United Kingdom
| | - Kuberan Pushparajah
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom; School of Biomedical Engineering and Imaging Sciences, King's College, London, United Kingdom
| | - Paraskevi Theocharis
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom
| | - James Wong
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom
| | - Eric Rosenthal
- Department of Pediatric Cardiology, Evelina London Children's Hospital, London, United Kingdom
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Ohki S, Hosokawa K, Tomioka S, Matsuoka M, Fushimi K, Matsuda S, Shime N. Pediatric Fulminant Myocarditis in Japan: A Retrospective Nationwide Database Study of Hospital Volume, Management Practices, and Mortality. Pediatr Crit Care Med 2021; 22:e391-e401. [PMID: 33729728 DOI: 10.1097/pcc.0000000000002692] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Pediatric fulminant myocarditis is a subset of pediatric acute myocarditis associated with critical illness. We aimed to compare mortality and other outcomes such as length of hospital stay between pediatric fulminant myocarditis and nonfulminant myocarditis. For the subgroup of patients with fulminant myocarditis, we also aimed to describe the current management practices and evaluate the impact of clinically relevant factors, including hospital case volume, on mortality. DESIGN Retrospective observational study using the Diagnosis Procedure Combination database from April 2012 to March 2018. SETTING Over 1,000 acute care hospitals in Japan. PATIENTS Patients with acute myocarditis less than 18 years old, including patients with fulminant myocarditis (i.e., those who received at least one of the following by day 7 of hospitalization: inotropes/vasopressors, mechanical circulatory support, or cardiopulmonary resuscitation). INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Multivariable logistic regression analysis was conducted to investigate the association between clinically relevant factors and in-hospital mortality of patients with fulminant myocarditis. Furthermore, post hoc propensity score analyses (propensity score-adjusted, propensity score-matched, and inverse probability of treatment-weighted analyses) were performed to confirm the effect of hospital case volume on in-hospital mortality. In total, 866 pediatric patients with acute myocarditis were included, and 382 (44.1%) were categorized as fulminant myocarditis. In-hospital mortality for those with fulminant myocarditis was 24.1%. fulminant myocarditis was associated with 41.3-fold greater odds of mortality than nonfulminant myocarditis (95% CI, 14.7-115.9; p < 0.001). In the subgroup of patients with fulminant myocarditis, a higher in-hospital mortality was significantly associated with younger age (≤ 5 yr; odds ratio, 3.41; 95% CI, 1.75-6.64) and the need for either mechanical ventilation (odds ratio, 2.39; 95% CI, 1.03-5.57), cardiopulmonary resuscitation (odds ratio, 10.63; 95% CI, 5.52-20.49), or renal replacement therapy (odds ratio, 2.53; 95% CI, 1.09-5.87) by day 7. A lower in-hospital mortality rate was significantly associated with treatment at hospitals in the highest pediatric fulminant myocarditis case volume tertile (≥ 6 cases in 6 yr; odds ratio, 0.30; 95% CI, 0.13-0.68) compared with treatment at hospitals in the lowest tertile (1-2 cases in 6 yr). Post hoc propensity score analyses consistently supported the primary results. CONCLUSIONS In-hospital mortality of pediatric fulminant myocarditis in Japan remains high. Treatment at hospitals in the highest pediatric fulminant myocarditis case volume tertile (≥ 6 cases in 6 yr) was associated with a 70% relative reduction in odds of in-hospital mortality compared with treatment at hospitals in the lowest tertile (1-2 cases in 6 yr). The reasons for such differences need further study.
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Affiliation(s)
- Shingo Ohki
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Koji Hosokawa
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Shinichi Tomioka
- Department of Public Health and Health Policy, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Masumi Matsuoka
- Department of Preventive Medicine and Community Health, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kiyohide Fushimi
- Department of Health Policy and Informatics, Tokyo Medical and Dental University Graduate School of Medicine, Tokyo, Japan
| | - Shinya Matsuda
- Department of Preventive Medicine and Community Health, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Nobuaki Shime
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Vasudeva R, Bhatt P, Lilje C, Desai P, Amponsah J, Umscheid J, Parmar N, Bhatt N, Adupa R, Pagad S, Agrawal P, Donda K, Dapaah-Siakwan F, Yagnik P. Trends in Acute Myocarditis Related Pediatric Hospitalizations in the United States, 2007-2016. Am J Cardiol 2021; 149:95-102. [PMID: 33757784 DOI: 10.1016/j.amjcard.2021.03.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/07/2021] [Accepted: 03/12/2021] [Indexed: 11/24/2022]
Abstract
There has been little exploration of acute myocarditis trends in children despite notable advancements in care over the past decade. We explored trends in pediatric hospitalizations for acute myocarditis from 2007 to 2016 in the United States (US). This was a retrospective, serial cross-sectional study of the National Inpatient Sample database from 2007 to 2016, identifying patients ≤18 years hospitalized with acute myocarditis. Patient demographics and incidence trends were examined. Other relevant clinical and resource utilization outcomes were also explored. Out of 60,390,000 weighted pediatric hospitalizations, 6371 were related to myocarditis. The incidence of myocarditis increased from 0.7 to 0.9 per 100,000 children (p <0.0001) over the study period. The mortality decreased from 7.5% to 6.1% (p = 0.02). A significant inflation-adjusted increase by $4,574 in the median hospitalization cost was noted (p = 0.02) while length of stay remained stable (median 6.1 days). Tachyarrhythmias were identified as the most common type of associated arrhythmia. The occurrence of congestive heart failure remained steady at 27%. In conclusion, in-hospital mortality associated with pediatric acute myocarditis has decreased in the United States over years 2007 to 2016 with a concurrent rise in incidence. Despite steady length of stay, hospitalization costs have increased. Future studies investigating long-term outcomes relating to acute myocarditis are warranted.
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Oulego-Erroz I, de Castro-Vecino P, Ocaña-Alcober C, Gutiérrez-Marqués S, Martínez-Badás JP, Centeno-Jiménez M. Bloqueo auriculoventricular completo asociado a infección por virus respiratorio sincitial: presentación de un caso y revisión de la literatura. An Pediatr (Barc) 2021. [DOI: 10.1016/j.anpedi.2020.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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18
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Oulego-Erroz I, de Castro-Vecino P, Ocaña-Alcober C, Gutiérrez-Marqués S, Martínez-Badás JP, Centeno-Jiménez M. Complete atrioventricular block associated with respiratory syncytial virus: Presentation of a case and a literature review. An Pediatr (Barc) 2021; 94:417-419. [PMID: 34090640 DOI: 10.1016/j.anpede.2020.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 06/03/2020] [Indexed: 11/27/2022] Open
Affiliation(s)
- Ignacio Oulego-Erroz
- Cardiología Pediátrica, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain; Unidad de Cuidados Intensivos Pediátricos, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain.
| | - Pilar de Castro-Vecino
- Cardiología Pediátrica, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain; Unidad de Cuidados Intensivos Pediátricos, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain
| | - Carlos Ocaña-Alcober
- Unidad de Cuidados Intensivos Pediátricos, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain
| | - Soraya Gutiérrez-Marqués
- Unidad de Cuidados Intensivos Pediátricos, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain
| | - Juan Pablo Martínez-Badás
- Unidad de Cuidados Intensivos Pediátricos, Servicio de Pediatría, Complejo Asistencial Universitario de León, León, Spain
| | - Miriam Centeno-Jiménez
- Unidad de Arritmias y Electrofisiología, Servicio de Cardiología Pediátrica, Hospital Infantil Universitario Gregorio Marañón, Madrid, Spain
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Chou FS, Ghimire LV. Machine Learning for Mortality Prediction in Pediatric Myocarditis. Front Pediatr 2021; 9:644922. [PMID: 33968849 PMCID: PMC8102689 DOI: 10.3389/fped.2021.644922] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/24/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Pediatric myocarditis is a rare disease. The etiologies are multiple. Mortality associated with the disease is 5-8%. Prognostic factors were identified with the use of national hospitalization databases. Applying these identified risk factors for mortality prediction has not been reported. Methods: We used the Kids' Inpatient Database for this project. We manually curated fourteen variables as predictors of mortality based on the current knowledge of the disease, and compared performance of mortality prediction between linear regression models and a machine learning (ML) model. For ML, the random forest algorithm was chosen because of the categorical nature of the variables. Based on variable importance scores, a reduced model was also developed for comparison. Results: We identified 4,144 patients from the database for randomization into the primary (for model development) and testing (for external validation) datasets. We found that the conventional logistic regression model had low sensitivity (~50%) despite high specificity (>95%) or overall accuracy. On the other hand, the ML model struck a good balance between sensitivity (89.9%) and specificity (85.8%). The reduced ML model with top five variables (mechanical ventilation, cardiac arrest, ECMO, acute kidney injury, ventricular fibrillation) were sufficient to approximate the prediction performance of the full model. Conclusions: The ML algorithm performs superiorly when compared to the linear regression model for mortality prediction in pediatric myocarditis in this retrospective dataset. Prospective studies are warranted to further validate the applicability of our model in clinical settings.
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Affiliation(s)
- Fu-Sheng Chou
- Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, United States
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Abstract
Atrial flutter (AFL) in children and adolescents beyond the neonatal period in the absence of any underlying myocardial disease ("lone AFL") is rare and data is limited. Our study aims to present clinical and electrophysiological data of presumed "lone AFL" in pediatric patients and discuss the role of endomyocardial biopsy (EMB) and further follow-up. Since July 2005, eight consecutive patients at a median age of 12.7 (range 10.4-16.7) years presenting with presumed "lone AFL" after negative non-invasive diagnostic work-up had electrophysiological study (EPS) and induction of cavotricuspid isthmus (CTI) conduction block by radiofrequency (RF) current application. In 6/8 patients EMB could be taken. Induction of CTI conduction block was achieved in all patients. Histopathological examination of EMB from the right ventricular septum exhibited myocarditis or cardiomyopathy in 4/6 patients, respectively. During follow-up, 4/8 patients had recurrent arrhythmia (AFL n = 2, wide QRS complex tachycardia n = 1, monomorphic premature ventricular contractions n = 1) after the ablation procedure. 3/4 patients with recurrent arrhythmia had pathological EMB results. The remaining patient with recurrent arrhythmia had a negative EMB but was diagnosed with Brugada syndrome during further follow-up. Taking together results of EMB and further clinical course, only 3/8 patients finally turned out to have true "lone AFL". Our study demonstrates that true "lone AFL" in children and adolescents is rare. EMB and clinical course revealed an underlying cardiac pathology in the majority of the individuals studied. EMB was very helpful in order to timely establish the diagnosis of myocarditis or cardiomyopathy.
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21
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Abstract
Myocarditis in the pediatric population can be a challenging diagnosis to make and often requires utilization of multiple diagnostic modalities. The cause is often due to a viral infection with activation of the innate and acquired immune response with either recovery or disease progression. Laboratory testing often includes inflammatory markers, cardiac troponin levels, and natriuretic peptides. Noninvasive testing should include electrocardiogram, echocardiogram, and possibly an MRI. Treatment of myocarditis remains controversial with most providers using immune modulators with intravenous immunoglobulin and corticosteroids.
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22
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Kim J, Cho MJ. Acute Myocarditis in Children: a 10-year Nationwide Study (2007-2016) based on the Health Insurance Review and Assessment Service Database in Korea. Korean Circ J 2020; 50:1013-1022. [PMID: 32812406 PMCID: PMC7596206 DOI: 10.4070/kcj.2020.0108] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 06/17/2020] [Accepted: 07/14/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND OBJECTIVES We performed a nationwide study to assess the incidence, treatment patterns, and outcomes of acute myocarditis in Korean children. METHODS The nationwide incidence, treatment patterns, and outcomes of acute myocarditis in Korean children were assessed using data between 2007 and 2016 from the Health Insurance Review and Assessment database. RESULTS We investigated 1,627 children during the study period. The overall incidence of acute myocarditis was 1.4 per 100,000 children in 2007 and 2.1 per 100,000 children in 2016, which indicates a significant increase in the trend over time. A bimodal age distribution was observed with a larger peak in infancy and a smaller peak in the mid-teenage years. No sex difference was observed in the incidence rate of acute myocarditis in children aged ≤5 years (373 boys vs. 366 girls); however, the incidence rate of acute myocarditis in adolescents aged ≥13 years showed significant male preponderance (482 boys vs. 152 girls). Acute fulminant myocarditis occurred in 371 children (22.8%) who needed extracorporeal membrane oxygenation and/or mechanical ventilator support. Of the 371 children with acute fulminant myocarditis, 258 (69.5%) survived. The survival rate of children with acute fulminant myocarditis remained nearly identical over the 10-year study period. CONCLUSIONS This was the first nationwide epidemiological study to investigate acute myocarditis in Korean children. In our view, this study would help clinicians in decision-making and planning for optimal management of acute myocarditis in children.
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Affiliation(s)
- Jinmi Kim
- Biomedical Research Institute of Pusan National University Hospital, Busan, Korea
| | - Min Jung Cho
- Department of Pediatrics, Gyeongsang National University Changwon Hospital, Changwon, Korea.
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Abstract
AIMS We aim to assess the diagnostic role of QRS fragmentation in children with suspected acute myocarditis. BACKGROUND Diagnosis of myocarditis in the paediatric population is challenging. Clinical suspicion, electrocardiogram, and laboratory tests are the main diagnostic features at presentation. However, electrocardiogram in patients with myocarditis is usually considered aspecific. We have previously described QRS fragmentation in adult patients with acute myocarditis. METHODS Patients aged less than 18 years, admitted between 2003 and 2019, and discharged with a diagnosis of acute myocarditis were included. Standard electrocardiogram, laboratory, and echocardiographic findings at admission and follow-up were reviewed. QRS fragmentation was defined by the presence of multiphasic R' spikes. Cardiac magnetic resonance and biopsy were performed in selected patients. RESULTS Twenty-one patients were analysed, 16 males (76%), median age 9.5 (2.5-16) years. At presentation, 12 patients (57%) displayed QRS fragmentation. Median ejection fraction was 40% (27-60). Nine patients (43%) underwent cardiac magnetic resonance and displayed late gadolinium enhancement. One patient underwent biopsy that showed borderline findings. Electrocardiogram leads showing QRS fragmentation correlated with distribution of late gadolinium enhancement. Median follow-up was 600 (190-2343) days. All patients were alive at last follow-up. Six patients (33%) patients displayed persistence of QRS fragmentation. Median ejection fraction was 60% (60-65%). In three patients (14%), ejection fraction remained depressed, two of which showed persistence of QRS fragmentation. CONCLUSION In this cohort of children with suspected myocarditis, QRS fragmentation was confirmed as a new additional diagnostic finding to look for at admission and during follow-up.
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Myocarditis in the Athlete: Arrhythmogenic Substrates, Clinical Manifestations, Management, and Eligibility Decisions. J Cardiovasc Transl Res 2020; 13:284-295. [PMID: 32270467 DOI: 10.1007/s12265-020-09996-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 03/24/2020] [Indexed: 12/26/2022]
Abstract
Myocarditis is as an important cause of sudden cardiac death (SCD) among athletes. The incidence of SCD ascribed to myocarditis did not change after the introduction of pre-participation screening in Italy, due to the transient nature of the disease and problems in the differential diagnosis with the athlete's heart. The arrhythmic burden and the underlying mechanisms differ between the acute and chronic setting, depending on the relative impact of acute inflammation versus post-inflammatory myocardial fibrosis. In the acute phase, ventricular arrhythmias vary from isolated ventricular ectopic beats to complex tachycardias that can lead to SCD. Atrioventricular blocks are typical of specific forms of myocarditis, and supraventricular arrhythmias may be observed in case of atrial inflammation. Athletes with acute myocarditis should be temporarily restricted from physical exercise, until complete recovery. However, ventricular tachycardia may also occur in the chronic phase in the context of post-inflammatory myocardial scar.
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Cartoski MJ, Nikolov PP, Prakosa A, Boyle PM, Spevak PJ, Trayanova NA. Computational Identification of Ventricular Arrhythmia Risk in Pediatric Myocarditis. Pediatr Cardiol 2019; 40:857-864. [PMID: 30840104 PMCID: PMC6451890 DOI: 10.1007/s00246-019-02082-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 02/27/2019] [Indexed: 12/11/2022]
Abstract
Children with myocarditis have increased risk of ventricular tachycardia (VT) due to myocardial inflammation and remodeling. There is currently no accepted method for VT risk stratification in this population. We hypothesized that personalized models developed from cardiac late gadolinium enhancement magnetic resonance imaging (LGE-MRI) could determine VT risk in patients with myocarditis using a previously-validated protocol. Personalized three-dimensional computational cardiac models were reconstructed from LGE-MRI scans of 12 patients diagnosed with myocarditis. Four patients with clinical VT and eight patients without VT were included in this retrospective analysis. In each model, we incorporated a personalized spatial distribution of fibrosis and myocardial fiber orientations. Then, VT inducibility was assessed in each model by pacing rapidly from 26 sites distributed throughout both ventricles. Sustained reentrant VT was induced from multiple pacing sites in all patients with clinical VT. In the eight patients without clinical VT, we were unable to induce sustained reentry in our simulations using rapid ventricular pacing. Application of our non-invasive approach in children with myocarditis has the potential to correctly identify those at risk for developing VT.
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Affiliation(s)
- Mark J Cartoski
- Divison of Pediatric Cardiology, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Plamen P Nikolov
- Institute for Computational Medicine and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Adityo Prakosa
- Institute for Computational Medicine and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Patrick M Boyle
- Institute for Computational Medicine and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Philip J Spevak
- Divison of Pediatric Cardiology, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Natalia A Trayanova
- Institute for Computational Medicine and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Cardiac Arrest in the Pediatric Cardiac ICU: Is Medical Congenital Heart Disease a Predictor of Survival? Pediatr Crit Care Med 2019; 20:233-242. [PMID: 30785870 DOI: 10.1097/pcc.0000000000001810] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Children with medical cardiac disease experience poorer survival to hospital discharge after cardiopulmonary arrest compared with children with surgical cardiac disease. Limited literature exists describing epidemiology and factors associated with mortality in this heterogeneous population. We aim to evaluate the clinical characteristics and outcomes after cardiopulmonary arrest in medical cardiac patients. DESIGN We performed a retrospective review of pediatric cardiac patients who underwent cardiopulmonary resuscitation in a tertiary care cardiac ICU. Surgical cardiac patients underwent cardiac surgery immediately prior to ICU admission. Nonsurgical cardiac patients were divided into two groups based on the presence of congenital heart disease: congenital heart disease medical or noncongenital heart disease medical. Clinical and outcome variables were collected. Primary outcome was survival to hospital discharge. SETTINGS Texas Children's Hospital cardiac ICU. PATIENTS Patients admitted to Texas Children's Hospital cardiac ICU between January 2011 and December 2016. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Of 150 cardiopulmonary arrest events reviewed, 90 index events were included (46 surgical, 26 congenital heart disease medical, and 18 noncongenital heart disease medical). There was no difference in primary outcome among the three groups. The absence of an epinephrine infusion precardiopulmonary arrest was associated with increased odds of survival in the congenital heart disease medical group (p = 0.03). Noncongenital heart disease medical patients experienced pulseless ventricular tachycardia/ventricular fibrillation more frequently than congenital heart disease medical patients (p = 0.02). Congenital heart disease medical patients had trends toward longer cardiac arrest durations, higher prevalence of neurologic sequelae postcardiopulmonary arrest, and higher mortality when extracorporeal support at cardiopulmonary resuscitation was employed. CONCLUSIONS Although trends in first documented rhythm, neurologic sequelae, and inotropic support prior to cardiopulmonary arrest were noted between groups, no significant differences in survival after cardiac arrest were seen. Larger scale studies are needed to better describe factors associated with cardiopulmonary arrest as well as survival in heterogeneous medical cardiac populations.
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Contemporary Postnatal Incidence of Acquiring Acute Myocarditis by Age 15 Years and the Outcomes From a Nationwide Birth Cohort. Pediatr Crit Care Med 2017; 18:1153-1158. [PMID: 29068909 DOI: 10.1097/pcc.0000000000001363] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Acute myocarditis can be lethal, but the incidence remains unclear because of its wide manifestation spectrum. We investigated the postnatal incidence of acute myocarditis and risk factors for morbidity and mortality. DESIGN Retrospective derived birth cohort study. SETTING Taiwan National Health Insurance Database for the period 2000-2014. PATIENTS Children born between 2000 and 2009 with complete postnatal medical care data for at least 5 years. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS From among 2,150,590 live births, we identified 965 patients (54.8% male) admitted with the diagnosis of acute myocarditis, accounting for an overall incidence of 0.45/1,000. The cumulative incidence rates were 0.19/1,000, 0.38/1,000, 0.42/1,000, and 0.48/1,000 by ages 1, 5, 10, and 15 years, respectively. Male predominance was noted in infants and school age children (age group 6-14 yr). Arrhythmias, including tachyarrhythmia (4.8%) and bradyarrhythmia (1.1%), occurred in 56 patients. Extracorporeal membrane oxygenation support was provided to 62 patients (6.4%) and additional left ventricular assist devices in six of them. The mortality at discharge was 6.3%. The presence of ventricular tachyarrhythmia, bradyarrhythmia, and an onset at school age (6-14 yr) were associated with increased odds for the need for extracorporeal membrane oxygenation, which was the only predictor for mortality at discharge (hazard ratio, 7.85; 95% CI, 3.74-9.29). In patients who survived the acute myocarditis, late mortality was relatively low (36/904 = 4.0%). The overall survival of children with acute myocarditis were 90.9%, 90.3%, and 89.8% by the intervals of 1, 5, and 10 years after the myocarditis, respectively. CONCLUSIONS This birth cohort study determined the cumulative incidence of acute myocarditis for neonates by 15 years old to be one in 2,105. In an era of extracorporeal membrane oxygenation, the need of extracorporeal membrane oxygenation may reflect the severity of acute myocarditis and predict its outcome.
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Massin M, Crochelet AS, Jacquemart C. Acute Myocarditis With Very High Troponin but No Ventricular Dysfunction. Clin Pediatr (Phila) 2017; 56:582-583. [PMID: 27356633 DOI: 10.1177/0009922816656626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Martial Massin
- 1 Queen Fabiola Children's University Hospital, Free University of Brussels ULB, Brussels, Belgium
| | - Anne-Sophie Crochelet
- 1 Queen Fabiola Children's University Hospital, Free University of Brussels ULB, Brussels, Belgium
| | - Caroline Jacquemart
- 1 Queen Fabiola Children's University Hospital, Free University of Brussels ULB, Brussels, Belgium
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Nagiub M, Carter K, Shepard R. Systematic review of risk stratification of pediatric ventricular arrhythmia in structurally normal and abnormal hearts. PROGRESS IN PEDIATRIC CARDIOLOGY 2017. [DOI: 10.1016/j.ppedcard.2017.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Fujita S, Futatani T, Kubo T, Itamochi M, Yachi Y, Iwasaki H, Shimao A, Ina S, Higashiyama H, Igarashi N, Hatasaki K. Virus myocarditis in a 1-month-old boy presenting as two types of paroxysmal supraventricular tachycardia. Pediatr Int 2017; 59:627-632. [PMID: 28402006 DOI: 10.1111/ped.13261] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Revised: 01/05/2017] [Accepted: 02/09/2017] [Indexed: 11/29/2022]
Abstract
Herein we describe the case of a 1-month-old boy with acute viral myocarditis, who presented with two kinds of paroxysmal supraventricular tachycardia, and who was cured after medical treatment. He was brought to the emergency room with poor feeding due to fever. On the third day of hospitalization, a narrow QRS tachycardia (180-200 beats/min) was detected. Echocardiography showed a high echoic area at the atrial septum around the atrioventricular node. The patient was clinically diagnosed with acute myocarditis. The narrow QRS tachycardia was diagnosed as incessant junctional ectopic tachycardia. The patient was treated with propranolol and landiolol. The frequency of the tachycardia decreased, but a different narrow QRS tachycardia was detected on the 15th day of hospitalization on electrocardiogram (220 beats/min), which was ascribed to atrioventricular nodal re-entrant tachycardia. Atenolol was effective for the tachycardia. At 2 years follow up, cardiac function was normal and tachycardia had not recurred.
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Affiliation(s)
- Shuhei Fujita
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Takeshi Futatani
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Tatsuya Kubo
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Masae Itamochi
- Department of Virology, Toyama Institute of Health, Toyama, Japan
| | - Yusuke Yachi
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Hidenori Iwasaki
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Ayako Shimao
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Shihomi Ina
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | | | - Noboru Igarashi
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
| | - Kiyoshi Hatasaki
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Japan
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Left ventricular end-diastolic dimension as a predictive factor of outcomes in children with acute myocarditis. Cardiol Young 2017; 27:443-451. [PMID: 27225897 DOI: 10.1017/s1047951116000706] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
In this study, we sought predictors of mortality in children with acute myocarditis and of incomplete recovery in the survivor group. We classified our patients into three groups according to their outcomes at last follow-up: full recovery was classified as group I, incomplete recovery was classified as group II, and death was classified as group III. In total, 55 patients were enrolled in the study: 33 patients in group I, 11 patients in group II, and 11 patients in group III. The initial left ventricular fractional shortening - left ventricular fractional shortening - was significantly lower in group III (p=0.001), and the left ventricular end-diastolic dimension z score was higher in groups II and III compared with group I (p=0.000). A multivariate analysis showed that the left ventricular end-diastolic dimension z score (odds ratio (OR), 1.251; 95% confidence interval (CI), 1.004-1.559), extracorporeal membrane oxygenation (OR, 9.842; 95% CI, 1.044-92.764), and epinephrine infusion (OR, 18.552; 95% CI, 1.759-195.705) were significant predictors of mortality. The left ventricular end-diastolic dimension z score was the only factor that predicted incomplete recovery in the survivor group (OR, 1.360; 95% CI, 1.066-1.734; p=0.013). The receiver operating characteristic curve of the left ventricular end-diastolic dimension z score at admission showed a cut-off level of 3.01 for predicting mortality (95% CI, 0.714-0.948). In conclusion, a high left ventricular end-diastolic dimension z score on admission was a significant predictor of worse outcomes, both regarding mortality and incomplete recovery.
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Stone E, Glines M. When the Symptoms Don't Make Sense: Two Cases of Myocarditis From a Pediatric Emergency Department. J Emerg Nurs 2017; 43:180-181. [PMID: 28372773 DOI: 10.1016/j.jen.2016.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Abstract
OBJECTIVES Here, we characterize the frequency, mechanisms, clinical impact, and potential treatment options for several arrhythmias commonly encountered in pediatric cardiac critical care. DATA SOURCE MEDLINE and PubMed. CONCLUSIONS Arrhythmias among children in the cardiac critical care setting are common and clinically important, associated independently with prolonged mechanical ventilation, critical care unit stay, and an increase in mortality. The precise characterization of an arrhythmia may provide clues as to an underlying mechanism as well as serve to guide treatment. Arrhythmia therapy, pharmacologic or otherwise, is directed toward addressing the underlying mechanism, and as such may be applicable to the treatment of more than one specific rhythm disturbance. Decisions concerning therapy must call into consideration an arrhythmia's underlying etiology, mechanism, and associated hemodynamic embarrassment, along with the potential for adverse effects of treatment.
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