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1.
BMJ Case Rep ; 17(3)2024 Mar 19.
Artigo em Inglês | MEDLINE | ID: mdl-38508607

RESUMO

Oesophageal carcinoma is a globally prevalent form of cancer. Patients with advanced disease often experience progressive dysphagia and weight loss as initial symptoms, but pericarditis is an uncommon presentation. This study describes a young man who presented with pericarditis and was diagnosed with oesophageal squamous cell carcinoma. The patient's diagnosis came after presenting with intermittent chest pain. His diagnostic tests included an ECG showing ST elevation, echocardiography showing pericardial effusion and elevated inflammatory markers. His imaging tests revealed a neoplastic lesion in the lower oesophagus with metastases. He was initially treated as a case of pericarditis, followed by palliative chemotherapy for his cancer. Pericarditis, as the initial presentation of oesophageal carcinoma, is rare. There have only been 19 cases reported and published in the literature. Treatment depends on the stage of the disease. This case emphasises the importance of considering malignancy in unusual presentations of pericarditis, especially in young patients.


Assuntos
Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Derrame Pericárdico , Pericardite , Masculino , Humanos , Eletrocardiografia , Pericardite/diagnóstico por imagem , Pericardite/etiologia , Derrame Pericárdico/diagnóstico por imagem , Derrame Pericárdico/etiologia , Neoplasias Esofágicas/diagnóstico , Neoplasias Esofágicas/diagnóstico por imagem
2.
Medicina (Kaunas) ; 60(2)2024 Jan 30.
Artigo em Inglês | MEDLINE | ID: mdl-38399529

RESUMO

Diseases of the pericardium encompass a spectrum of conditions, including acute and recurrent pericarditis, where inflammation plays a pivotal role in the pathogenesis and clinical manifestations. Anti-inflammatory therapy indeed forms the cornerstone of treating these conditions: NSAIDs, colchicine, and corticosteroids (as a second-line treatment) are recommended by current guidelines. However, these medications come with several contraindications and are not devoid of adverse effects. In recent years, there has been an increased focus on the role of the inflammasome and potential therapeutic targets. Recurrent pericarditis also shares numerous characteristics with other autoinflammatory diseases, in which interleukin-1 antagonists have already been employed with good efficacy and safety. The objective of this review is to summarize the available studies on the use of anti-IL-1 drugs both in acute and recurrent pericarditis.


Assuntos
Interleucina-1 , Pericardite , Humanos , Anti-Inflamatórios não Esteroides/uso terapêutico , Anti-Inflamatórios/uso terapêutico , Corticosteroides/uso terapêutico , Pericardite/tratamento farmacológico , Pericardite/etiologia , Recidiva
4.
JACC Clin Electrophysiol ; 10(2): 262-269, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38032577

RESUMO

BACKGROUND: Catheter ablation is a mainstay of atrial fibrillation (AF) treatment. Acute pericarditis after ablation is 1 of the frequently observed complications. There is a significant lack of data on the incidence and predictors of postablation pericarditis. OBJECTIVES: This study examines the incidence, characteristics, and predictors of pericarditis after AF ablation. METHODS: Patients undergoing AF ablation from January 1, 2016, to March 31, 2022, at Johns Hopkins were prospectively enrolled in an AF ablation registry. A clinical diagnosis of acute pericarditis was established in accordance with 2015 European Society of Cardiology guidelines by the presence of at least 2 of the following characteristics: pleuritic chest pain, friction rub, typical electrocardiographic changes, or pericardial effusion within 3 months after the ablation procedure. RESULTS: Of 1,540 patients who underwent AF ablation, 57 patients (3.7%) developed acute pericarditis. Baseline clinical characteristics including age, sex, and body mass index were comparable between the pericarditis and nonpericarditis groups. The median time to symptom onset was 1 day. Electrocardiographic changes were observed in 34 (59.6%) patients, pericardial effusion developed in 7 (12%) patients, and the mean duration of medical treatment was 7 days (25th-75th percentile: 3-14 days). Most pericarditis cases were treated medically with disease-specific nonsteroidal anti-inflammatory drugs (100%) and colchicine (81%). Effusion with tamponade necessitating pericardiocentesis was observed in 4 (7%) patients. Radiofrequency (RF) ablation was performed in 869 (58.6%) patients in the nonpericarditis group and 39 (68.4%) patients with pericarditis; cryoballoon ablation was performed in 486 (32.8%) patients in the nonpericarditis group and 11 (19.3%) patients with pericarditis. Multivariable logistic regression analysis identified RF ablation (OR: 2.09; 95% CI: 1.07-4.08; P = 0.03) as an independent predictor of acute pericarditis after AF ablation, whereas age per unit increase was associated with a decreased risk (OR: 0.97; 95% CI: 0.95-0.995; P = 0.02). CONCLUSIONS: The incidence of acute pericarditis after catheter ablation in our study population was 3.7%. RF ablation and younger age were independent risk factors for postablation acute pericarditis.


Assuntos
Fibrilação Atrial , Ablação por Cateter , Criocirurgia , Derrame Pericárdico , Pericardite , Humanos , Fibrilação Atrial/epidemiologia , Fibrilação Atrial/cirurgia , Fibrilação Atrial/diagnóstico , Derrame Pericárdico/epidemiologia , Derrame Pericárdico/etiologia , Resultado do Tratamento , Criocirurgia/métodos , Ablação por Cateter/efeitos adversos , Ablação por Cateter/métodos , Pericardite/epidemiologia , Pericardite/etiologia , Pericardite/cirurgia
5.
Intern Med ; 63(5): 677-680, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-37468243

RESUMO

Esophageal cancer is a malignant disease with a poor prognosis and is one of the most common causes of cardiac metastasis. Malignant pericarditis may cause the repetitive accumulation of pericardial effusion, which can occasionally pose a clinical challenge. We herein report a case of malignant pericarditis in a patient with metastatic esophageal squamous cell carcinoma with cardiac tamponade, which was successfully managed with single pericardial drainage and systemic nivolumab monotherapy. This is the first case report to suggest that systemic therapy with nivolumab is a promising option for the management of malignant pericarditis.


Assuntos
Tamponamento Cardíaco , Neoplasias Esofágicas , Carcinoma de Células Escamosas do Esôfago , Pericardite , Neoplasias do Timo , Humanos , Carcinoma de Células Escamosas do Esôfago/complicações , Carcinoma de Células Escamosas do Esôfago/tratamento farmacológico , Neoplasias Esofágicas/complicações , Neoplasias Esofágicas/tratamento farmacológico , Nivolumabe/uso terapêutico , Pericardite/diagnóstico por imagem , Pericardite/tratamento farmacológico , Pericardite/etiologia , Tamponamento Cardíaco/tratamento farmacológico , Tamponamento Cardíaco/etiologia , Neoplasias do Timo/complicações
6.
Curr Probl Cardiol ; 49(1 Pt C): 102116, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37802168

RESUMO

Mpox, a novel epidemic disease, has broken out the period of coronavirus disease 2019 since May 2022, which was caused by the mpox virus. Up to 12 September 2023, there are more than 90,439 confirmed mpox cases in over 115 countries all over the world. Moreover, the outbreak of mpox in 2022 was verified to be Clade II rather than Clade I. Highlighting the significance of this finding, a growing body of literature suggests that mpox may lead to a series of cardiovascular complications, including myocarditis and pericarditis. It is indeed crucial to acquire more knowledge about mpox from a perspective from the clinical cardiologist. In this review, we would discuss the epidemiological characteristics and primary treatments of mpox to attempt to provide a framework for cardiovascular physicians.


Assuntos
COVID-19 , Doenças Cardiovasculares , Varíola dos Macacos , Miocardite , Pericardite , Humanos , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/etiologia , COVID-19/epidemiologia , Pericardite/epidemiologia , Pericardite/etiologia , Pericardite/terapia
7.
Ter Arkh ; 95(11): 965-969, 2023 Dec 22.
Artigo em Russo | MEDLINE | ID: mdl-38158953

RESUMO

A description of a COVID-19 patient with the development of exudative pericarditis complicated by cardiac tamponade is provid. A peculiarity of this case is the presence of an underlying disease in the patient (chronic lymphocytic leukemia), which was in remission for 1.5 years after chemotherapy. Another feature of the patient was the relatively small area of lung damage and the hemorrhagic nature of the pericardial effusion, which persisted for a long time. The insignificant activity of inflammatory markers was noteworthy. Possible mechanisms of development and features of the course of exudative pericarditis in the described patient, issues of diagnosis and treatment of this category of patients are discusse.


Assuntos
COVID-19 , Tamponamento Cardíaco , Derrame Pericárdico , Pericardite , Humanos , COVID-19/complicações , COVID-19/diagnóstico , Pericardite/diagnóstico , Pericardite/etiologia , Pericardite/terapia , Derrame Pericárdico/diagnóstico , Derrame Pericárdico/etiologia , Derrame Pericárdico/terapia , Tamponamento Cardíaco/diagnóstico , Tamponamento Cardíaco/etiologia , Tamponamento Cardíaco/terapia
8.
Rev Med Inst Mex Seguro Soc ; 61(Suppl 2): S269-S274, 2023 Dec 18.
Artigo em Espanhol | MEDLINE | ID: mdl-38016123

RESUMO

Background: COVID-19 disease (coronavirus disease 2019) has multiple potentially fatal cardiovascular complications and pericarditis is one of them; however, if prompt treatment is given, fatal events associated to this complication decrease. Its frequency and presentation characteristics are unknown, which is why its early diagnosis is important. Objective: To know the frequency of pericarditis secondary to COVID-19 and its presentation characteristics. Material and methods: Cross-sectional study in patients with a diagnosis of pericarditis after COVID-19 disease (with a positive test). Symptoms, age, sex, comorbidities, and electrocardiogram (ECG) and transthoracic echocardiogram (TTE) results were obtained. Results: A total of 3364 patients positive for COVID-19 were registered, out of which 10 met criteria for pericarditis, which represented a frequency of 0.30%. The average age of the sample was 46.1 years and 60% predominated in the male gender with a 1.5:1 ratio. The most frequent clinical characteristics were the presence of retrosternal pain (90%), absence of comorbidity (50%), and absence of electrocardiographic changes (40%). Conclusions: Pericarditis has a low frequency in patients with COVID-19. The predominant clinical presentation is chest pain. Almost half will not have electrocardiographic changes, and half will not have comorbidities.


Introducción: la enfermedad COVID-19 (coronavirus disease 2019) tiene múltiples complicaciones cardiovasculares potencialmente mortales y la pericarditis es una de ellas; sin embargo, si se da un tratamiento oportuno disminuyen sus eventos fatales. Se desconoce su frecuencia y características de presentación, por lo que es importante su diagnóstico temprano. Objetivo: conocer la frecuencia de pericarditis secundaria a COVID-19 y sus características de presentación. Material y métodos: estudio transversal en pacientes con diagnóstico de pericarditis posterior a la enfermedad COVID-19 (con prueba positiva). Se obtuvo la sintomatología, edad, sexo, comorbilidades y resultados de electrocardiograma (ECG) y ecocardiograma transtorácico (ETT). Resultados: se registraron 3364 pacientes positivos a COVID-19, de los cuales 10 cumplieron con criterios para pericarditis, lo que representó una frecuencia del 0.30%. La edad promedio de la muestra fue de 46.1 años y predominó en el género masculino (60%) con una relación 1.5:1. Las características clínicas más frecuentes fueron la presencia de dolor retroesternal (90 %), ausencia de comorbilidad (50 %) y ausencia de cambios electrocardiográficos (40%). Conclusiones: la pericarditis tiene una frecuencia baja en pacientes con COVID-19. La presentación clínica predominante es el dolor retroesternal. Casi la mitad no tendrá cambios electrocardiográficos y la mitad no tendrá comorbilidades.


Assuntos
COVID-19 , Pericardite , Humanos , Masculino , Pessoa de Meia-Idade , SARS-CoV-2 , COVID-19/complicações , Estudos Transversais , Pericardite/diagnóstico , Pericardite/epidemiologia , Pericardite/etiologia , Eletrocardiografia
11.
Acta Microbiol Immunol Hung ; 70(2): 100-110, 2023 Jun 16.
Artigo em Inglês | MEDLINE | ID: mdl-37267081

RESUMO

Cardiovascular involvement has been described in acute and recovered COVID-19 patients. Here, we present a case of symptomatic pericarditis with persistent symptoms for at least six months after the acute infection and report 66 published cases of pericarditis in discharged COVID patients. Patient mean age ± SD was 49.7 ± 13.3 years, ranging from 15 to 75 years and 57.6% were female. A proportion of 89.4% patients reported at least one comorbidity, with autoimmune and allergic disorders, hypertension and dyslipidaemia, as the most frequent. Only 8.3% of patients experienced severe symptoms of acute COVID-19. The time between acute COVID and pericarditis symptoms varied from 14 to 255 days. Chest pain (90.9%), tachycardia (60.0%) and dyspnoea (38.2%) were the most frequent symptoms in post-acute pericarditis. A proportion of 45.5% and 87% of patients had an abnormal electrocardiogram and abnormal transthoracic ultrasound, respectively. Colchicine combined with non-steroidal anti-inflammatory drug (NSAID) or acetylsalicylic acid (aspirin) were prescribed to 39/54 (72%) patients. Of them, 12 were switched to corticosteroid therapy due to non-response to the first-line treatment. Only 6 patients had persisting symptoms and were considered as non-respondent to therapy.Our report highlights that pericarditis should be suspected in COVID-19 patients with persistent chest pain and dyspnoea when pulmonary function is normal. Treatment with non-steroidal anti-inflammatory and colchicine is usually effective but corticosteroids are sometimes required.


Assuntos
COVID-19 , Pericardite , Humanos , Feminino , Masculino , COVID-19/complicações , Anti-Inflamatórios não Esteroides/uso terapêutico , Pericardite/diagnóstico , Pericardite/tratamento farmacológico , Pericardite/etiologia , Aspirina/uso terapêutico , Colchicina/uso terapêutico , Dor no Peito/complicações , Dor no Peito/tratamento farmacológico
12.
Europace ; 25(6)2023 06 02.
Artigo em Inglês | MEDLINE | ID: mdl-37306316

RESUMO

AIMS: To investigate the association of iatrogenic cardiac tamponades as a complication of invasive electrophysiology procedures (EPs) and mortality as well as serious cardiovascular events in a nationwide patient cohort during long-term follow-up. METHODS: From the Swedish Catheter Ablation Registry between 2005 and 2019, a total of 58 770 invasive EPs in 44 497 patients were analysed. From this, all patients with periprocedural cardiac tamponades related to invasive EPs were identified (n = 200; tamponade group) and matched (1:2 ratio) to a control group (n = 400). Over a follow-up of 5 years, the composite primary endpoint-death from any cause, acute myocardial infarction, transitory ischaemic attack (TIA)/stroke, and hospitalization for heart failure-revealed no statistically significant association with cardiac tamponade [hazard ratio (HR) 1.22 (95% CI, 0.79-1.88)]. All single components of the primary endpoint as well as cardiovascular death revealed no statistically significant association with cardiac tamponade. Cardiac tamponade was associated with a significantly higher risk with hospitalization for pericarditis [HR 20.67 (95% CI, 6.32-67.60)]. CONCLUSION: In this nationwide cohort of patients undergoing invasive EPs, iatrogenic cardiac tamponade was associated with an increased risk of hospitalization for pericarditis during the first months after the index procedure. In the long-term, however, cardiac tamponade revealed no significant association with mortality or other serious cardiovascular events.


Assuntos
Tamponamento Cardíaco , Pericardite , Humanos , Tamponamento Cardíaco/epidemiologia , Tamponamento Cardíaco/etiologia , Pericardite/diagnóstico , Pericardite/epidemiologia , Pericardite/etiologia , Eletrofisiologia Cardíaca , Hospitalização , Doença Iatrogênica
13.
Future Cardiol ; 19(4): 197-202, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37313836

RESUMO

We present a case of a 54-year-old gentleman with a history of hypertension and chronic HIV who presented with fever and epigastric pain, found to have elevated troponin-I levels and diffuse ST-segement elevations on ECG without clinical evidence of ischemia concerning for myopericarditis. Initial laboratory findings also included thrombocytopenia and elevated aminotransferases as well as computed tomography imaging revealing splenic infarcts. Given plausible exposure to ticks, this led to the eventual diagnosis of anaplasmosis confirmed on PCR assay. Cardiac MRI images confirmed myocardial involvement, which resolved with antibiotic treatment. While rare, cardiac involvement is possible sequelae of anaplasmosis infection as illustrated by this case.


Assuntos
Anaplasmose , Miocardite , Pericardite , Masculino , Animais , Humanos , Pessoa de Meia-Idade , Anaplasmose/complicações , Anaplasmose/diagnóstico , Pericardite/diagnóstico , Pericardite/etiologia , Pericardite/terapia , Miocardite/diagnóstico , Miocardite/etiologia , Miocardite/terapia , Troponina I
14.
Emerg Med Pract ; 25(7): 1-24, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37352407

RESUMO

Pericarditis and myocarditis represent a challenging set of diseases to diagnose and treat. These diseases typically present with chest pain and dyspnea in previously healthy young people, often in the weeks following a viral illness, including COVID-19. Nonetheless, the etiologies can be very diverse, including infectious, noninfectious, drug-induced, and autoimmune causes. This review focuses on the evaluation, diagnosis, and management of emergency department patients presenting with pericarditis and myocarditis and summarizes current guidelines and best-practice medical management strategies in order to avoid potential life-threatening cardiac complications.


Assuntos
COVID-19 , Miocardite , Pericardite , Humanos , Adolescente , Miocardite/diagnóstico , Miocardite/terapia , Miocardite/etiologia , COVID-19/terapia , Pericardite/diagnóstico , Pericardite/terapia , Pericardite/etiologia , Serviço Hospitalar de Emergência , Diagnóstico Diferencial , Teste para COVID-19
15.
BMJ Open ; 13(6): e065687, 2023 06 20.
Artigo em Inglês | MEDLINE | ID: mdl-37339840

RESUMO

OBJECTIVE: To summarise the available evidence on the risk of myocarditis and/or pericarditis following mRNA COVID-19 vaccination, compared with the risk among unvaccinated individuals in the absence of COVID-19 infection. DESIGN: Systematic review and meta-analysis. DATA SOURCES: Electronic databases (Medline, Embase, Web of Science and WHO Global Literature on Coronavirus Disease), preprint repositories (medRxiv and bioRxiv), reference lists and grey literature were searched from 1 December 2020 until 31 October 2022. STUDY SELECTION: Epidemiological studies of individuals of any age who received at least one dose of an mRNA COVID-19 vaccine, reported a risk of myo/pericarditis and compared the risk of myo/pericarditis to individuals who did not receive any dose of an mRNA COVID-19 vaccine. DATA EXTRACTION AND SYNTHESIS: Two reviewers independently conducted screening and data extraction. The rate of myo/pericarditis among vaccinated and unvaccinated groups was recorded, and the rate ratios were calculated. Additionally, the total number of individuals, case ascertainment criteria, percentage of males and history of SARS-CoV-2 infection were extracted for each study. Meta-analysis was done using a random-effects model. RESULTS: Seven studies met the inclusion criteria, of which six were included in the quantitative synthesis. Our meta-analysis indicates that within 30-day follow-up period, vaccinated individuals were twice as likely to develop myo/pericarditis in the absence of SARS-CoV-2 infection compared to unvaccinated individuals, with a rate ratio of 2.05 (95% CI 1.49-2.82). CONCLUSION: Although the absolute number of observed myo/pericarditis cases remains quite low, a higher risk was detected in those who received mRNA COVID-19 vaccinations compared with unvaccinated individuals in the absence of SARS-CoV-2 infection. Given the effectiveness of mRNA COVID-19 vaccines in preventing severe illnesses, hospitalisations and deaths, future research should focus on accurately determining the rates of myo/pericarditis linked to mRNA COVID-19 vaccines, understanding the biological mechanisms behind these rare cardiac events and identifying those most at risk.


Assuntos
Vacinas contra COVID-19 , COVID-19 , Miocardite , Pericardite , Humanos , Masculino , COVID-19/epidemiologia , COVID-19/prevenção & controle , Vacinas contra COVID-19/efeitos adversos , Miocardite/epidemiologia , Miocardite/etiologia , Pericardite/epidemiologia , Pericardite/etiologia , RNA Mensageiro , SARS-CoV-2/genética , Vacinação
16.
BMJ Case Rep ; 16(6)2023 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-37263680

RESUMO

Vaccination against mRNA SARS-CoV-2 has been administered on a very large scale and various side effects have been described. The increased risk of myopericarditis is known, and only a few cases of shoulder capsulitis have been reported after vaccination. These two pathologies have never been reported in the same patient after vaccination. Our article presents the history of a man in his 40s who presented with myopericarditis a few days after vaccination against SARS-CoV-2 with mRNA(Messenger RNA) Moderna® vaccine and who at the same time developed shoulder capsulitis. His cardiovascular symptoms resolved rapidly, and his shoulder symptoms improved/resolved within 1 year. This case should make physicians aware of the possibility of several concomitant side effects following vaccination against SARS-CoV-2.


Assuntos
Bursite , COVID-19 , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Miocardite , Pericardite , Masculino , Humanos , SARS-CoV-2 , Ombro , Pericardite/etiologia , Miocardite/diagnóstico , Miocardite/etiologia , Vacinação/efeitos adversos , RNA Mensageiro
17.
Can J Cardiol ; 39(8): 1078-1089, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37270165

RESUMO

The pericardium plays several homeostatic roles to support and maintain everyday cardiac function. Recent advances in techniques and experimental models have allowed for further exploration into the cellular contents of the pericardium itself. Of particular interest are the various immune cell populations present in the space within the pericardial fluid and fat. In contrast to immune cells of the comparable pleura, peritoneum and heart, pericardial immune cells appear to be distinct in their function and phenotype. Specifically, recent work has suggested these cells play critical roles in an array of pathophysiological conditions including myocardial infarction, pericarditis, and post-cardiac surgery complications. In this review, we spotlight the pericardial immune cells currently identified in mice and humans, the pathophysiological role of these cells, and the clinical significance of the immunocardiology axis in cardiovascular health.


Assuntos
Infarto do Miocárdio , Derrame Pericárdico , Pericardite , Humanos , Camundongos , Animais , Pericárdio , Pericardite/etiologia , Infarto do Miocárdio/complicações , Derrame Pericárdico/etiologia
19.
Cardiol Young ; 33(11): 2379-2383, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37154289

RESUMO

Multiple studies have reported myocarditis and pericarditis after the Pfizer-BioNTech coronavirus disease 2019 messenger ribonucleic acid vaccine. We describe male adolescent triplets who presented with myopericarditis within one week following vaccine administration.


Assuntos
Vacinas contra COVID-19 , COVID-19 , Miocardite , Pericardite , Adolescente , Humanos , Masculino , COVID-19/prevenção & controle , Vacinas contra COVID-19/efeitos adversos , Miocardite/diagnóstico , Miocardite/etiologia , Pericardite/diagnóstico , Pericardite/etiologia , Vacinação/efeitos adversos
20.
PLoS One ; 18(5): e0283988, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37155666

RESUMO

OBJECTIVES: (1) Characterize the initial clinical characteristics and long-term outcomes of smallpox vaccine-associated hypersensitivity myocarditis and pericarditis (MP) in United States service members. (2) Describe the process of case identification and adjudication using the 2003 CDC nationally defined myocarditis/pericarditis epidemiologic case definitions to include consideration of case-specific diversity and evolving evidence. BACKGROUND: Between 2002 and 2016, 2.546 million service members received a smallpox Vaccinia vaccine. Acute MP is associated with vaccinia, but the long-term outcomes have not been studied. METHODS: Records of vaccinia-associated MP reported to the Vaccine Adverse Event Reporting System by vaccination date were adjudicated using the 2003 MP epidemiologic case definitions for inclusion in a retrospective observational cohort study. Descriptive statistics of clinical characteristics, presentation, cardiac complications, and time course of clinical and cardiac recovery were calculated with comparisons by gender, diagnosis and time to recovery. RESULTS: Out of over 5000 adverse event reports, 348 MP cases who survived the acute illness, including 276 myocarditis (99.6% probable/confirmed) and 72 pericarditis (29.2% probable/confirmed), were adjudicated for inclusion in the long-term follow-up. Demographics included a median age of 24 years (IQR 21,30) and male predominance (96%). Compared to background military population, the myocarditis and pericarditis cohort had a higher percentage of white males by 8.2% (95% CI: 5.6, 10.0) and age <40 years by 4.2% (95% CI: 1.7,5.8). Long-term follow-up documented full recovery in 267/306 (87.3%) with 74.9% recovered in less than a year (median ~3 months). Among patients with myocarditis, the percentage who had a delayed time to recovery at time of last follow-up was 12.8% (95% CI: 2.1,24.7) higher in those with an acute left ventricular ejection fraction (EF) of ≤50% and 13.5% (95% CI: 2.4,25.7) higher in those with hypokinesis. Patient complications included 6 ventricular arrhythmias (2 received implanted defibrillators) and 14 with atrial arrhythmias (2 received radiofrequency ablation). Three of 6 patients (50%) diagnosed with cardiomyopathy had clinical recovery at their last follow-up date. CONCLUSIONS: Hypersensitivity myocarditis/pericarditis following the smallpox vaccine is associated with full clinical and functional ventricular recovery in over 87% of cases (74.9% <1 year). A minority of MP cases experienced prolonged or incomplete recovery beyond 1 year.


Assuntos
Serviços de Saúde Militar , Miocardite , Pericardite , Vacina Antivariólica , Varíola , Vaccinia , Humanos , Masculino , Estados Unidos , Adulto , Feminino , Vacina Antivariólica/efeitos adversos , Miocardite/epidemiologia , Miocardite/etiologia , Miocardite/diagnóstico , Vaccinia/prevenção & controle , Estudos Retrospectivos , Volume Sistólico , Função Ventricular Esquerda , Vacinação , Pericardite/epidemiologia , Pericardite/etiologia , Pericardite/diagnóstico , Varíola/prevenção & controle , Vírus Vaccinia
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