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1.
Am J Case Rep ; 25: e944138, 2024 Aug 19.
Artículo en Inglés | MEDLINE | ID: mdl-39155486

RESUMEN

BACKGROUND Lyme carditis typically presents with atrio-ventricular block; however, other cardiac manifestations, including varying EKG changes, myopericarditis and new-onset heart failure, can occur. CASE REPORT We report a case of a 52-year-old woman with past medical history significant for hypertension, chronic obstructive pulmonary disease, and chronic back pain who presented with new-onset heart failure in the setting of Lyme carditis. She presented with exertional dyspnea requiring supplemental oxygen, subjective fever, chills, fatigue, and arthralgia of 2-week duration. Her vital signs were consistent with hypotension and persistent bradycardia. An EKG displayed T-wave flattening in the anterior pre-cordial leads. Further work-up was suggestive of bilateral pulmonary edema and interstitial infiltrates, which required antibiotics and diuretics. Echocardiography demonstrated new-onset mildly depressed LV systolic dysfunction. Interestingly, coronary CTA revealed coronary arteries with no evidence of stenosis or plaque. She was found to have positive Lyme IgM and lgG antibodies. A diagnosis of Lyme myocarditis was considered and her antibiotic course was extended following multidisciplinary consensus. CONCLUSIONS This case report seeks to create awareness of the varying and atypical presentations of Lyme carditis, including new-onset heart failure in a patient without prior history of ischemic heart disease and uncommon EKG changes.


Asunto(s)
Insuficiencia Cardíaca , Enfermedad de Lyme , Miocarditis , Humanos , Femenino , Persona de Mediana Edad , Enfermedad de Lyme/complicaciones , Enfermedad de Lyme/diagnóstico , Insuficiencia Cardíaca/etiología , Miocarditis/diagnóstico , Miocarditis/complicaciones , Electrocardiografía
2.
Ann Noninvasive Electrocardiol ; 29(5): e70002, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39126150

RESUMEN

This article describes the case of a 40-year-old individual who presented with fulminant myocarditis. Initial ECG displayed sinus tachycardia with a heart rate of 117 bpm, QS complexes in leads V1-V3, ST-segment depression in leads II, III, aVF, V5-V6, and ST-segment elevation >0.2 mV in leads V1 through V3. The initial clinical assessment suggested an acute anteroseptal myocardial infarction. However, subsequent diagnostic evaluation through coronary angiography disclosed that the coronary arteries were normal. Therefore, clinicians should carefully consider the differential diagnosis between these conditions, as their management strategies differ markedly. Two hours after admission, the patient unexpectedly developed syncope. The ECG findings were consistent with the typical characteristics of bidirectional ventricular tachycardia. Our report described the appearance and morphology as well as mechanism of bidirectional ventricular tachycardia in detail. Additionally, we delineate differential diagnoses for disease that can cause bidirectional ventricular tachycardia, such as aconite poisoning, digoxin overdose, immune checkpoint inhibitor (ICI), myocardial ischemia, and hereditary channelopathies, such as catecholaminergic polymorphic ventricular tachycardia (CPVT) and Andersen-Tawil syndrome. Therefore, clinicians should recognize this ECG finding immediately and initiate appropriate treatment promptly as these measures may be vital in saving the patient's life.


Asunto(s)
Electrocardiografía , Humanos , Electrocardiografía/métodos , Adulto , Diagnóstico Diferencial , Masculino , Taquicardia/diagnóstico , Taquicardia/fisiopatología , Miocarditis/diagnóstico , Miocarditis/fisiopatología , Miocarditis/complicaciones , Taquicardia Ventricular/diagnóstico , Taquicardia Ventricular/fisiopatología
3.
BMC Neurol ; 24(1): 274, 2024 Aug 06.
Artículo en Inglés | MEDLINE | ID: mdl-39107681

RESUMEN

BACKGROUND: Acute necrotizing encephalopathy (ANE) and myocarditis are both acute, life-threatening conditions that can be triggered by COVID-19. We report a case of sequential ANE and myocarditis following a COVID-19 infection. CASE PRESENTATION: A 27-year-old female patient was brought to the emergency department due to episodes of fever for two days and a 9-h altered state of consciousness. Her condition rapidly developed into stuporous and hemodynamic instability within serval hours. Veno-arterial extracorporeal membrane oxygenation (ECMO) was rapidly initiated with other supportive treatments. The following-up MRI showed bilateral, symmetrically distributed lesions in the brainstem, bilateral hippocampal regions, and bilateral basal ganglia, consistent with ANE. The diagnosis was confirmed through the detection of SARS-CoV-2 and the exclusion of other potential causes. After weeks of medical treatment, her condition stabilized, and she was transferred for further rehabilitation treatment. CONCLUSIONS: This case study indicates that COVID-19 may simultaneously and rapidly affect the central nervous system and cardiovascular system, leading to poor outcomes. Accurate diagnosis and timely invasive bridging therapy, when necessary, can be lifesaving. Further exploration of potential mechanisms underlying COVID-19 central nervous system (CNS) and cardiovascular system manifestations will be important.


Asunto(s)
COVID-19 , Leucoencefalitis Hemorrágica Aguda , Miocarditis , Humanos , Femenino , COVID-19/complicaciones , Adulto , Miocarditis/diagnóstico por imagen , Miocarditis/diagnóstico , Miocarditis/complicaciones , Leucoencefalitis Hemorrágica Aguda/diagnóstico , Leucoencefalitis Hemorrágica Aguda/diagnóstico por imagen , SARS-CoV-2 , Imagen por Resonancia Magnética , Oxigenación por Membrana Extracorpórea/métodos
4.
BMC Pediatr ; 24(1): 553, 2024 Aug 29.
Artículo en Inglés | MEDLINE | ID: mdl-39210278

RESUMEN

BACKGROUND: The study aimed to explore clinical indicators that can predict the prognosis of children with acute fulminant myocarditis (AFM) through a retrospective analysis. METHODS: A retrospective analysis was conducted on the clinical indices of 79 children diagnosed with AFM and hospitalized from March 2013 to March 2023. Relevant demographic and clinical data, including symptoms at admission, laboratory results, and outcomes were extracted to identify factors associated with in-hospital mortality. RESULTS: A total of 79 children with AFM were analyzed. The survival group (n = 61) had a longer median hospital stay and higher medical expenses compared to the death group (n = 18). Significant differences in the levels of left ventricular ejection fraction (LVEF)(P < 0.001), myoglobin (MYO)(P < 0.001), aspartate aminotransferase (AST)(P < 0.001), lactate dehydrogenase (LDH)(P = 0.004), B-type natriuretic peptide (BNP)(P = 0.005), arterial potential hydrogen (PH)(P < 0.001), bicarbonate (HCO3-)(P = 0.003), serum lactate (Lac)(P = 0.001), peripheral oxygen saturation (SpO2)(P = 0.008), and white blood cell count (WBC)(P = 0.007) were observed between the two groups. Additionally, there were significant differences in the incidences of multi-organ failure (P = 0.003) and respiratory failure (P = 0.001) between the two groups. CONCLUSIONS: Severe myocardial injury (AST > 194.00 U/L, LDH > 637.50 U/L, MYO > 265.75 µg/L, BNP > 1738.50 ng/L), acidosis (PH < 7.29, HCO3- <18.45 mmol/L, Lac > 12.30 mmol/L), hypoxia (SpO2 < 97.50%), inflammatory response (WBC > 9.69*109/L), left ventricular systolic dysfunction (LVEF < 28.25%), multi-organ failure, and respiratory failure are significantly associated with higher mortality rates. These factors can accurately identify AFM children at an increased risk of death.


Asunto(s)
Mortalidad Hospitalaria , Miocarditis , Humanos , Estudios Retrospectivos , Miocarditis/mortalidad , Miocarditis/complicaciones , Masculino , Femenino , Niño , Preescolar , Pronóstico , Lactante , Enfermedad Aguda , Tiempo de Internación/estadística & datos numéricos , Adolescente , Volumen Sistólico , Biomarcadores/sangre
5.
S D Med ; 77(7): 304-308, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-39013185

RESUMEN

Non-ischemic papillary muscle rupture (PMR) is rare. PMR caused by myocarditis in the presence of concurrent infective endocarditis (IE) and myocardial infarction (MI) has not been described. We report a 46-year-old male with recurrent MRSA bacteremia who presented in septic shock and suffered cardiac arrest. Echocardiography revealed acute mitral valve regurgitation resulting from posteromedial PMR. An intra-aortic balloon pump was implanted. Angiography revealed thrombotic occlusion of a small distal left circumflex artery. Emergent mitral valve replacement surgery was performed. MRSA myocarditis and IE were diagnosed by tissue cultures. Coexistence of myocarditis, IE, and MI poses a challenge in determining etiology.


Asunto(s)
Endocarditis Bacteriana , Staphylococcus aureus Resistente a Meticilina , Infarto del Miocardio , Miocarditis , Músculos Papilares , Infecciones Estafilocócicas , Humanos , Masculino , Persona de Mediana Edad , Staphylococcus aureus Resistente a Meticilina/aislamiento & purificación , Infecciones Estafilocócicas/complicaciones , Infecciones Estafilocócicas/diagnóstico , Miocarditis/diagnóstico , Miocarditis/complicaciones , Miocarditis/microbiología , Infarto del Miocardio/complicaciones , Infarto del Miocardio/diagnóstico , Infarto del Miocardio/etiología , Endocarditis Bacteriana/complicaciones , Endocarditis Bacteriana/diagnóstico , Endocarditis Bacteriana/microbiología , Tromboembolia/etiología , Ecocardiografía
6.
JACC Clin Electrophysiol ; 10(6): 1161-1174, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38661603

RESUMEN

BACKGROUND: Management of acute myocarditis (AM) patients experiencing ventricular arrhythmia (VA) during acute illness is controversial, especially regarding early implantable cardioverter-defibrillator (ICD) implantation. OBJECTIVES: The purpose of this study was to evaluate the prevalence of and find predictors for long-term sustained VA recurrence and overall mortality among AM patients with VA. METHODS: This was a multicenter retrospective analysis of AM patients (verified by cardiac magnetic resonance imaging or myocardial biopsy) with documented VA during the acute illness ("initial VA"). Patients with history of myocardial infarction, heart failure, or VA were excluded. The study endpoint was a composite of sustained VA and overall mortality during follow-up. RESULTS: The study included 69 AM patients with initial VA: sustained monomorphic ventricular tachycardia (MMVT) (n = 25), sustained polymorphic ventricular tachycardia (VT)/ventricular fibrillation (n = 13), and nonsustained VT (n = 31). Age was 44 ± 13 years, and 23 of 69 (33.3%) were women. During median follow-up of 5.5 years, 27 of 69 (39%) patients reached the composite endpoint including sustained VA (n = 24) and death (n = 11). Initial MMVT, predischarge left ventricular dysfunction (left ventricular ejection fraction <50%), and anteroseptal delayed enhancement on cardiac magnetic resonance imaging were significantly associated with the composite endpoint. On multivariable analysis, initial MMVT (HR: 5.17; 95% CI: 1.81-14.6; P = 0.001) and predischarge LV dysfunction (HR: 4.57; 95% CI: 1.83-11.5; P = 0.005) were independently associated with the composite endpoint. Using these 2 predictors, we could delineate subgroups with low (∼4%), medium (∼42%), and high (∼82%) 10-year incidence of composite endpoint. CONCLUSIONS: AM patients presenting with VA have high incidence of sustained VA recurrence and mortality posthospitalization. Initial MMVT and predischarge LV dysfunction are independently associated with VA recurrence and mortality. Implantable cardioverter-defibrillator implantation may be considered in such high-risk patients.


Asunto(s)
Miocarditis , Recurrencia , Taquicardia Ventricular , Humanos , Femenino , Masculino , Miocarditis/epidemiología , Miocarditis/complicaciones , Estudios Retrospectivos , Persona de Mediana Edad , Adulto , Taquicardia Ventricular/epidemiología , Taquicardia Ventricular/terapia , Incidencia , Desfibriladores Implantables , Enfermedad Aguda , Fibrilación Ventricular/epidemiología , Fibrilación Ventricular/terapia
8.
BMJ Case Rep ; 17(4)2024 Apr 09.
Artículo en Inglés | MEDLINE | ID: mdl-38594198

RESUMEN

A man in his 60s presented with a widespread erythematous rash and associated chills, paraesthesia and haematuria. He had recently commenced naproxen/esomeprazole. Blood tests showed hypereosinophilia (0.73×109/L) and moderate acute kidney injury. Histology revealed parakeratosis, mild spongiosis with eosinophils. He developed acute coronary syndrome with rapid atrial fibrillation. Coronary angiogram was non-obstructive. Cardiac MRI (CMR) revealed acute myocarditis secondary to Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS). Naproxen/esomeprazole was discontinued, and he was supported with oral corticosteroids. A repeat CMR 3 months later showed resolution of myocarditis. Naproxen/esomeprazole is not a common offending drug. DRESS is a rare drug-induced hypersensitivity reaction with a mortality rate of 10%. The objective of this case report is to highlight the significant but rare cardiac complications that can ensue from DRESS, which warrant prompt recognition and withdrawal of the causative drug.


Asunto(s)
Síndrome de Hipersensibilidad a Medicamentos , Eosinofilia , Miocarditis , Humanos , Masculino , Síndrome de Hipersensibilidad a Medicamentos/diagnóstico , Eosinofilia/complicaciones , Esomeprazol/efectos adversos , Miocarditis/complicaciones , Naproxeno/efectos adversos , Persona de Mediana Edad
9.
BMJ Case Rep ; 17(4)2024 Apr 30.
Artículo en Inglés | MEDLINE | ID: mdl-38688571

RESUMEN

Rheumatic fever is a major cause of cardiovascular morbidity and mortality in low-income and middle-income countries, and it usually occurs at a young age. Adult-onset acute rheumatic fever is a rare condition and usually represents a recurrence of childhood-onset disease. We report a case of an elderly man presenting with rheumatic carditis and rheumatic chorea subsequently diagnosed with adult-onset rheumatic fever.


Asunto(s)
Corea , Fiebre Reumática , Cardiopatía Reumática , Humanos , Masculino , Corea/etiología , Corea/diagnóstico , Fiebre Reumática/complicaciones , Fiebre Reumática/diagnóstico , Cardiopatía Reumática/complicaciones , Miocarditis/diagnóstico , Miocarditis/complicaciones , Anciano , Diagnóstico Diferencial
10.
J Med Virol ; 96(4): e29612, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38639291

RESUMEN

To explore the association and impact between viral myocarditis and mortality in patients with severe fever with thrombocytopenia syndrome. A dynamic analysis was conducted between fatal group and nonfatal group regarding the daily epidemiology data, clinical symptoms, and electrocardiogram (ECG), echocardiogram, and laboratory findings. Outcomes of patients with and without viral myocarditis were compared. The association between viral myocarditis and mortality was analyzed. Among 183 severe fever with thrombocytopenia syndrome patients, 32 were in the fatal group and 151 in the nonfatal group; there were 26 (81.25%) with viral myocarditis in the fatal group, 66 (43.70%) with viral myocarditis in the nonfatal group (p < 0.001), 79.35% of patients had abnormal ECG results. The abnormal rate of ECG in the fatal group was 100%, and in the nonfatal group was 74.83%. Univariate analysis found that the number of risk factors gradually increased on Day 7 of the disease course and reached the peak on Day 10. Combined with the dynamic analysis of the disease course, alanine aminotransferase, aspartate aminotransferase, creatine kinase, creatine kinase fraction, lactate dehydrogenase, hydroxybutyrate dehydrogenase, neutrophil count, serum creatinine, Na, Ca, carbon dioxide combining power, amylase, lipase, activated partial thromboplastin time and thrombin time had statistically significant impact on prognosis. The incidence of fever with thrombocytopenia syndrome combined with viral myocarditis is high, especially in the fatal group of patients. Viral myocarditis is closely related to prognosis and is an early risk factor. The time point for changes in myocarditis is Day 7 of the course of the disease.


Asunto(s)
Miocarditis , Síndrome de Trombocitopenia Febril Grave , Virosis , Humanos , Miocarditis/complicaciones , Miocarditis/epidemiología , Prevalencia , Virosis/complicaciones , Virosis/epidemiología , Fiebre/epidemiología , Progresión de la Enfermedad
11.
Circ Heart Fail ; 17(4): e010840, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38572641

RESUMEN

BACKGROUND: The natural history of myocardial dysfunction in patients with fulminant myocarditis is poorly understood. This study aims to evaluate changes in cardiac function in patients with fulminant myocarditis using a nationwide registry in Japan. METHODS: This retrospective cohort study included patients with biopsy-proven fulminant myocarditis and available for left ventricular ejection fraction (LVEF). We described the LVEF on admission, at discharge, and 1 year after discharge. We divided patients into 2 groups based on LVEF at discharge (reduced ejection fraction of <50% or preserved ejection fraction of ≥50%) and analyzed changes in LVEF and prognosis according to groups. RESULTS: We included 214 patients (the median [first-third quartiles] age of the cohort was 48 [35-62] years, and 63 [38%] were female). Of 153 patients available for LVEF at 1 year, the median (first-third quartiles) LVEF increased from 33% (21-45%) on admission to 59% (49-64%) at discharge and further to 61% (55-66%) at 1 year. Of 153 patients, 45 (29%) and 22 (14%) had LVEF <50% at discharge and at 1 year, respectively. Comparisons between patients with LVEF <50% and those with LVEF ≥50% demonstrated that the former group had a higher adjusted probability of death or heart transplantation (hazard ratio, 8.19 [95% CI, 2.13-31.5]; P=0.002). CONCLUSIONS: Some patients with fulminant myocarditis had left ventricular dysfunction in the chronic phase. Patients with reduced left ventricular function at discharge had a worse prognosis than those with preserved left ventricular function. REGISTRATION: URL: https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000045352; Unique identifier: UMIN000039763.


Asunto(s)
Insuficiencia Cardíaca , Miocarditis , Disfunción Ventricular Izquierda , Humanos , Femenino , Adulto , Persona de Mediana Edad , Masculino , Miocarditis/complicaciones , Miocarditis/diagnóstico , Función Ventricular Izquierda , Volumen Sistólico , Estudios Retrospectivos , Pronóstico
13.
BMC Infect Dis ; 24(1): 382, 2024 Apr 08.
Artículo en Inglés | MEDLINE | ID: mdl-38589812

RESUMEN

BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a severe disorder characterized by excessive activation of the immune system, leading to hypercytokinemia and damage to multiple organs. We report a rare case of HLH with myopericarditis caused by Campylobacter infection. CASE PRESENTATION: A 28-year-old male patient with a history of hypertension without medicine control presented at the hospital after a four-day fever, decreasing urine amount, rashes on his trunk and limbs, and other symptoms. He was admitted with a provisional diagnosis of atypical infection and allergic skin rash related to diclofenac. However, his condition deteriorated, and he developed shock, tachycardia, chest distress, and bilateral pleural effusion after admission. Further investigations revealed cardiogenic shock related to myopericarditis, and he was transferred to the ICU. In addition, a stool PCR panel subsequently revealed a positive result for Campylobacter. On day 6, he was diagnosed with HLH. Under Clarithromycin and dexamethasone infusion, leukocytosis, anemia and thrombocytopenia with cardiogenic shock status improved. Then, he was later discharged in stable condition. CONCLUSIONS: HLH and myopericarditis caused by Campylobacter are very rare. Early detection of Campylobacter-induced HLH and multiple organ failure, as well as prompt use of antibiotics and immunosuppressants, can be helpful for prognosis.


Asunto(s)
Anemia , Campylobacter , Linfohistiocitosis Hemofagocítica , Miocarditis , Trombocitopenia , Masculino , Humanos , Adulto , Linfohistiocitosis Hemofagocítica/diagnóstico , Linfohistiocitosis Hemofagocítica/tratamiento farmacológico , Linfohistiocitosis Hemofagocítica/etiología , Choque Cardiogénico/etiología , Choque Cardiogénico/complicaciones , Anemia/complicaciones , Trombocitopenia/complicaciones , Miocarditis/diagnóstico , Miocarditis/complicaciones
14.
Int J Cardiovasc Imaging ; 40(4): 907-920, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38427272

RESUMEN

According to updated Lake-Louise Criteria, impaired regional myocardial function serves as a supportive criterion in diagnosing myocarditis. This study aimed to assess visual regional wall motional abnormalities (RWMA) and novel quantitative regional longitudinal peak strain (RLS) for risk stratification in the clinical setting of myocarditis. In patients undergoing CMR and meeting clinical criteria for suspected myocarditis global longitudinal strain (GLS), late gadolinium enhancement (LGE), RWMA and RLS were assessed in the anterior, septal, inferior, and lateral regions and correlated to the occurrence of major adverse cardiac events (MACE), including heart failure hospitalization, sustained ventricular tachycardia, recurrent myocarditis, and all-cause death. In 690 consecutive patients (age: 48.0 ± 16.0 years; 37.7% female) with suspected myocarditis impaired RLS was correlated with RWMA and LV-GLS but not with the presence of LGE. At median follow up of 3.8 years, MACE occurred in 116 (16.8%) patients. Both, RWMA and RLS in anterior-, septal-, inferior-, and lateral- locations were univariately associated with outcomes (all p < 0.001), but not after adjusting for clinical characteristics and LV-GLS. In the subgroup of patients with normal LV function, RWMA were not predictive of outcomes, whereas septal RLS had incremental and independent prognostic value over clinical characteristics (HRadjusted = 1.132, 95% CI 1.020-1.256; p = 0.020). RWMA and RLS can be used to assess regional impairment of myocardial function in myocarditis but are of limited prognostic value in the overall population. However, in the subgroup of patients with normal LV function, septal RLS represents a distinctive marker of regional LV dysfunction, offering potential for risk-stratification.


Asunto(s)
Imagen por Resonancia Cinemagnética , Miocarditis , Valor Predictivo de las Pruebas , Función Ventricular Izquierda , Humanos , Femenino , Masculino , Persona de Mediana Edad , Miocarditis/fisiopatología , Miocarditis/diagnóstico por imagen , Miocarditis/mortalidad , Miocarditis/complicaciones , Adulto , Pronóstico , Factores de Riesgo , Medición de Riesgo , Factores de Tiempo , Estudios Retrospectivos , Medios de Contraste , Contracción Miocárdica , Recurrencia , Anciano , Insuficiencia Cardíaca/fisiopatología , Insuficiencia Cardíaca/diagnóstico por imagen , Insuficiencia Cardíaca/mortalidad , Reproducibilidad de los Resultados
15.
J Cardiol ; 84(3): 151-154, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-38552838

RESUMEN

Historically, patients with myocarditis were considered for implantable cardioverter defibrillator (ICD) utilization only in the chronic phase of the disease following the development of persistent cardiomyopathy refractory to medical therapy or occurrence of a major ventricular arrhythmic event. However, recent literature has indicated that ventricular arrhythmias are frequently reported even in the acute phase of the disease, challenging the long-standing perception that this disease process was largely reversible. Given this changing environment of information, the latest US and European guidelines were recently updated in 2022 to now consider ICD implantation during the acute phase which has significantly increased the number of individuals eligible for these devices. Additionally, several studies with small subgroups of patients have demonstrated a possible benefit of wearable cardioverter defibrillators (WCDs) in this patient demographic. Assuming that larger studies confirm their utility, it is possible that WCDs can assist in detection of ventricular arrhythmias and selection of high-risk candidates for ICD implantation, while providing temporary protection for a small percentage of patients before the development of a major arrhythmic event. This review ultimately serves as a comprehensive review of the most recent guidelines for defibrillator use in acute and chronic myocarditis. OPINION STATEMENT: The latest US and European guidelines support ICD use for myocarditis patients following the development of persistent cardiomyopathy refractory to medical therapy or occurrence of a major ventricular arrhythmic event. Previously, patients in the acute phase were excluded from ICD utilization even after experiencing malignant ventricular tachycardia or ventricular fibrillation due to the long-standing perception that this disease process was largely reversible. However, recent literature has indicated that ventricular arrhythmias are frequently reported even in the acute phase of the disease. Additionally, we found that the myocardial damage that is inflicted persists many years after the initial episode. Given this changing environment of information, guidelines were recently updated in 2022 to now consider ICD implantation during the acute phase which has significantly increased the number of individuals eligible for these devices. We support possible ICD utilization for secondary prevention during the acute phase of myocarditis given the elevated risk of arrhythmia recurrence and the fact that any ventricular arrhythmia can induce sudden cardiac death. Future prospective studies are needed to assess which patients may benefit most from early ICD implantation. WCDs have improved survival in patient populations at high-risk for sudden cardiac death who are not candidates for ICD implantation. After analyzing several recent studies with small subgroups of patients, WCDs appear to demonstrate similar efficacy for myocarditis patients as well. Assuming that larger studies confirm their utility, we believe that WCDs can assist in detection of ventricular arrhythmias and selection of high-risk candidates for ICD implantation. Furthermore, WCDs have the additional benefit of acting as primary prevention by providing temporary protection for a small percentage of myocarditis patients before they develop a major arrhythmic event.


Asunto(s)
Desfibriladores Implantables , Miocarditis , Humanos , Miocarditis/terapia , Miocarditis/complicaciones , Taquicardia Ventricular/terapia , Taquicardia Ventricular/etiología , Arritmias Cardíacas/terapia , Arritmias Cardíacas/etiología , Muerte Súbita Cardíaca/prevención & control , Muerte Súbita Cardíaca/etiología , Desfibriladores , Guías de Práctica Clínica como Asunto
16.
J Am Heart Assoc ; 13(6): e032047, 2024 Mar 19.
Artículo en Inglés | MEDLINE | ID: mdl-38456399

RESUMEN

BACKGROUND: Current guidelines recommend placing an implantable cardiac defibrillator for patients with cardiac sarcoidosis and a severely impaired left ventricular ejection fraction (LVEF) of ≤35%. In this study, we determined the association between mild or moderate LVEF impairment and fatal ventricular arrhythmic event (FVAE). METHODS AND RESULTS: We retrospectively analyzed 401 patients with cardiac sarcoidosis without sustained ventricular arrhythmia at diagnosis. The primary end point was an FVAE, defined as the combined endpoint of documented ventricular tachycardia or ventricular fibrillation and sudden cardiac death. Two cutoff points for LVEF were used: a sex-specific lower threshold of normal range of LVEF (52% for men and 54% for women) and an LVEF of 35%, which is used in the current guidelines. During a median follow-up of 3.2 years, 58 FVAEs were observed, and the 5- and 10-year estimated incidences of FVAEs were 16.8% and 23.0%, respectively. All patients were classified into 3 groups according to LVEF: impaired LVEF group, mild to moderate impairment of LVEF group, and maintained LVEF group. Multivariable competing risk analysis showed that both the impaired LVEF group (hazard ratio [HR], 3.24 [95% CI, 1.49-7.04]) and the mild to moderate impairment of LVEF group (HR, 2.16 [95% CI, 1.04-4.46]) were associated with a higher incidence of FVAEs than the maintained LVEF group after adjustment for covariates. CONCLUSIONS: Patients with cardiac sarcoidosis are at a high risk of FVAEs, regardless of documented ventricular arrhythmia at the time of diagnosis. In patients with cardiac sarcoidosis, mild to moderate impairment of LVEF is associated with FVAEs.


Asunto(s)
Desfibriladores Implantables , Miocarditis , Sarcoidosis , Masculino , Humanos , Femenino , Función Ventricular Izquierda , Volumen Sistólico , Estudios Retrospectivos , Sarcoidosis/complicaciones , Sarcoidosis/diagnóstico , Arritmias Cardíacas/etiología , Arritmias Cardíacas/complicaciones , Desfibriladores Implantables/efectos adversos , Muerte Súbita Cardíaca/epidemiología , Muerte Súbita Cardíaca/etiología , Miocarditis/complicaciones
17.
Am J Case Rep ; 25: e942381, 2024 Mar 03.
Artículo en Inglés | MEDLINE | ID: mdl-38431769

RESUMEN

BACKGROUND Idiopathic giant cell myocarditis (IGCM) is an uncommon and frequently fatal type of myocarditis. It primarily affects young individuals and has the potential to result in heart failure and life-threatening arrhythmias. IGCM seems to be dependent on activation of CD4-positive T lymphocytes and can show improvement with treatment aimed at reducing T-cell function. We present a case of a 65-year-old patient who presented with features of acute heart failure refractory to guideline-directed medical therapy (GDMT), due to IGCM. A review of the natural history and treatment of IGCM is also presented. CASE REPORT A 65-year-old woman with multiple comorbidities was admitted to our hospital for ventricular tachycardia in the setting of progressive non-ischemic heart failure, unresponsive to GDMT. This led to further investigation, including an endomyocardial biopsy, which revealed inflammatory infiltration, with multinucleated giant cells and lymphocytes in the absence of granuloma formation, prompting a diagnosis of IGCM. An implantable cardioverter-defibrillator (ICD) was placed for secondary prevention of sudden cardiac death and the patient was initiated on combined immunosuppressive therapy. Owing to numerous comorbidities, she was determined to be unsuitable for a heart transplant. Unfortunately, she eventually died from complications secondary to the disease. CONCLUSIONS IGCM remains a challenging clinical diagnosis with a poor long-term outcome without heart transplantation. This case highlights the importance of considering atypical causes of heart failure in patients who do not respond to conventional therapies. Early recognition and appropriate management, involving medical and interventional approaches, are crucial in improving outcomes for patients with IGCM.


Asunto(s)
Insuficiencia Cardíaca , Trasplante de Corazón , Miocarditis , Femenino , Humanos , Anciano , Miocarditis/diagnóstico , Miocarditis/terapia , Miocarditis/complicaciones , Insuficiencia Cardíaca/diagnóstico , Insuficiencia Cardíaca/etiología , Insuficiencia Cardíaca/terapia , Trasplante de Corazón/efectos adversos , Arritmias Cardíacas/etiología , Células Gigantes/patología
18.
Lancet Glob Health ; 12(3): e500-e508, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38365420

RESUMEN

BACKGROUND: Rheumatic heart disease is the largest contributor to cardiac-related mortality in children worldwide. Outcomes in endemic settings after its antecedent illness, acute rheumatic fever, are not well understood. We aimed to describe 3-5 year mortality, acute rheumatic fever recurrence, changes in carditis, and correlates of mortality after acute rheumatic fever. METHODS: We conducted a prospective cohort study of Ugandan patients aged 4-23 years who were diagnosed with definite acute rheumatic fever using the modified 2015 Jones criteria from July 1, 2017, to March 31, 2020, enrolled at three rheumatic heart disease registry sites in Uganda (in Mbarara, Mulago, or Lira), and followed up for at least 1 year after diagnosis. Patients with congenital heart disease were excluded. Patients underwent annual review, most recently in August, 2022. We calculated rates of mortality and acute rheumatic fever recurrence, tabulated changes in carditis, performed Kaplan-Meier survival analyses, and used Cox regression models to identify correlates of mortality. FINDINGS: Data were collected between Sept 1 and Sept 30, 2022. Of 182 patients diagnosed with definite acute rheumatic fever, 156 patients were included in the analysis. Of these 156 patients (77 [49%] male and 79 (51%) female; data on ethnicity not collected), 25 (16%) died, 21 (13%) had a cardiac-related death, and 17 (11%) had recurrent acute rheumatic fever over a median of 4·3 (IQR 3·0-4·8) years. 16 (24%) of the 25 deaths occurred within 1 year. Among 131 (84%) of 156 survivors, one had carditis progression by echo. Moderate-to-severe carditis (hazard ratio 12·7 [95% CI 3·9-40·9]) and prolonged PR interval (hazard ratio 4·4 [95% CI 1·7-11·2]) at acute rheumatic fever diagnosis were associated with increased cardiac-related mortality. INTERPRETATION: These are the first contemporary data from sub-Saharan Africa on medium-term acute rheumatic fever outcomes. Mortality rates exceeded those reported elsewhere. Most decedents already had chronic carditis at initial acute rheumatic fever diagnosis, suggesting previous undiagnosed episodes that had already compounded into rheumatic heart disease. Our data highlight the large burden of undetected acute rheumatic fever in these settings and the need for improved awareness of and diagnostics for acute rheumatic fever to allow earlier detection. FUNDING: Strauss Award at Cincinnati Children's Hospital, American Heart Association, and Wellcome Trust.


Asunto(s)
Miocarditis , Fiebre Reumática , Cardiopatía Reumática , Niño , Humanos , Masculino , Femenino , Fiebre Reumática/epidemiología , Cardiopatía Reumática/epidemiología , Cardiopatía Reumática/complicaciones , Uganda/epidemiología , Miocarditis/complicaciones , Miocarditis/epidemiología , Estudios Prospectivos
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Eur Heart J Acute Cardiovasc Care ; 13(5): 401-410, 2024 May 28.
Artículo en Inglés | MEDLINE | ID: mdl-38366232

RESUMEN

AIMS: While prognosis of acute myocarditis with uncomplicated presentation is perceived as benign, data on long-term outcomes are scarce. We evaluated rates of myocarditis-associated cardiovascular events after a first-time hospitalization with uncomplicated acute myocarditis in patients without known heart disease. METHODS AND RESULTS: In this retrospective nationwide population-based cohort study from 2013 to 2020, hospitalized patients with uncomplicated acute myocarditis but without known heart disease were 1:1 propensity score-matched with surgical controls hospitalized for laparoscopic appendectomy. As assessed in time-to-event analyses, the primary outcome was a composite of rehospitalization for myocarditis, pericardial disease, heart failure and its complications, arrhythmias, implantation of cardiac devices, and heart transplant. After matching, we identified 1439 patients with uncomplicated acute myocarditis (median age of 35 years, 74.0% male) and 1439 surgical controls (median age of 36 years, 74.4% male). Over a median follow-up of 39 months, compared with surgical controls, the hazard ratio for the primary composite outcome was 42.3 [95% confidence interval (CI) 17.4-102.8], corresponding to an incidence rate of 43.7 vs. 0.9 per 1000 patient-years (py) and an incidence rate difference of 42.7 (95% CI 36.7-48.8) per 1000 py. CONCLUSION: Patients hospitalized with uncomplicated acute myocarditis and no known prior heart disease were associated with substantial risk for cardiovascular events over a follow-up of up to 8 years. This calls for a more efficient therapeutic management of this population of patients.


Asunto(s)
Miocarditis , Humanos , Miocarditis/epidemiología , Miocarditis/complicaciones , Masculino , Femenino , Adulto , Estudios Retrospectivos , Incidencia , Estudios de Seguimiento , Pronóstico , Enfermedad Aguda , Factores de Tiempo , Persona de Mediana Edad , Puntaje de Propensión , Hospitalización/estadística & datos numéricos , Factores de Riesgo
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