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Fulminant myocarditis with COVID-19 infection having normal C-reactive protein and serial magnetic resonance follow-up.

ABSTRACT: A 44-year-old woman who was quarantined for 5 days after the diagnosis of coronavirus disease of 2019 (COVID-19) was transferred to our hospital with the complaint of chest pain. The patient was unvaccinated. Electrocardiography revealed ST elevation in the lateral leads. Echocardiographic biventricular dysfunction with oedematous wall thickening was identified. Cardiac enzyme levels were elevated; however, C-reactive protein (CRP) levels, and the coronary angiogram were normal. The patient required mechanical circulatory support to stabilize haemodynamics and was treated with remdesivir, baricitinib, and intravenous methylprednisolone. She recovered after 13 days of mechanical support. Serial cardiac magnetic resonance imaging revealed acute myocardial oedema and subsequent fibrosis. An endomyocardial biopsy on admission showed mild interstitial inflammatory infiltrates with endomyocardial fibrous thickening and mild interstitial fibrosis of the myocardium. Normal CRP levels suggested minor involvement of interleukin (IL)-6, supporting the efficacy of baricitinib.

SUBMITTER: Usui E

PROVIDER: S-EPMC10053182 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Fulminant myocarditis with COVID-19 infection having normal C-reactive protein and serial magnetic resonance follow-up.

Usui Eisuke E Nagaoka Eiki E Ikeda Hiroshi H Ohmori Mari M Tao Susumu S Yonetsu Taishi T Maejima Yasuhiro Y Arai Hirokuni H Amemiya Kisaki K Ikeda Yoshihiko Y Sasano Tetsuo T

ESC heart failure 20221119 2

A 44-year-old woman who was quarantined for 5 days after the diagnosis of coronavirus disease of 2019 (COVID-19) was transferred to our hospital with the complaint of chest pain. The patient was unvaccinated. Electrocardiography revealed ST elevation in the lateral leads. Echocardiographic biventricular dysfunction with oedematous wall thickening was identified. Cardiac enzyme levels were elevated; however, C-reactive protein (CRP) levels, and the coronary angiogram were normal. The patient requ ...[more]

PMID: 36401586

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Project description:Myocarditis is a rare complication of the COVID-19 mRNA vaccine. We previously reported a case series of 15 adolescents with vaccine-associated myocarditis, 87% of whom had abnormalities on initial cardiac magnetic resonance (CMR), including late gadolinium enhancement (LGE) in 80%. We performed follow-up CMRs to determine the trajectory of myocardial recovery and better understand the natural history of vaccine-associated myocarditis. Case series of patients age < 19 years admitted to Boston Children's Hospital with acute vaccine-associated myocarditis following the BNT162b2 vaccine who had abnormal CMR at the time of initial presentation, and underwent follow-up testing. CMR assessment included left ventricular (LV) ejection fraction, T2-weighted myocardial imaging, LV global native T1, LV global T2, extracellular volume (ECV), and late gadolinium enhancement (LGE). Ten patients (9 male, median age 15 years) with vaccine-associated myocarditis underwent follow-up CMR at a median of 92 days (range 76-119) after hospital discharge. LGE was persistent in 80% of patients, though improved from prior in all cases. Two patients (20%) had abnormal LV global T1 at presentation, which normalized on follow-up. ECV decreased between acute presentation and follow-up in 6/10 patients; it remained elevated at follow-up in 1 patient and borderline in 3 patients.ConclusionCMR performed ~3 months after admission for COVID-19 vaccine-associated myocarditis showed improvement of LGE in all patients, but persistent in the majority. Follow-up CMR 6-12 months after acute episode should be considered to better understand the long-term cardiac risks.What is known• Myocarditis is a rare side effect of COVID-19 mRNA vaccine. •Late gadolinium enhancement is present on most cardiac magnetic resonance at the time of acute presentation.What is new•Late gadolinium enhancement improved on all repeat cardiac magnetic resonance at 3-month follow-up. •Most patients still had a small amount of late gadolinium enhancement, the clinical significance of which is yet to be determined.

Project description:BackgroundMass COVID-19 vaccination campaigns have helped impede the COVID-19 pandemic. In rare cases, some vaccines have led to vaccine associated myocarditis in a specific subset of the population, usually young males. Cardiac magnetic resonance (CMR) can reliably diagnose vaccine associated myocarditis, but follow-up data of CMR proven acute myocarditis is scarce.Materials and methodsNine patients with acute vaccine associated myocarditis underwent baseline and follow-up CMR examinations and were compared to baseline parameters at initial presentation and to a group of 20 healthy controls. CMR protocol included functional assessment, T1 and T2 mapping, T2 signal intensity ratio, strain feature tracking, and late gadolinium enhancement (LGE).ResultsMyocarditis patients (n = 9, aged 24 ± 6 years, 8 males) underwent CMR follow-up after an average of 5.8 ± 4.3 months. All patients showed a complete resolution of visual myocardial edema while also demonstrating a reduction in overall LGE extent from baseline to follow-up (4.2 ± 2.1 vs. 0.9 ± 0.8%, p < 0.001), although visual LGE was still noted in all patients. Left ventricular ejection fraction was normal at baseline and at follow-up (58 ± 6 vs. 62 ± 4%, p = 0.10) as well as compared to a healthy control group (60 ± 4%, p = 0.24). T1 (1024 ± 77 vs. 971 ± 34 ms, p = 0.05) and T2 relaxations times (57 ± 6 vs. 51 ± 3 ms, p = 0.03) normalized at follow-up. Most patients reported a resolution of clinical symptoms, while two (22%) reported new onset of exertional dyspnea.ConclusionPatients with COVID-19 vaccine associated acute myocarditis showed a complete, uncomplicated resolution of myocardial inflammation on follow-up CMR, which was associated with a near complete resolution of symptoms. Minor, residual myocardial scarring was present on follow-up LGE imaging. The long-term implications of the remaining myocardial scar-tissue after vaccine associated myocarditis remain unknown warranting further studies.

Project description:BackgroundThe pattern of myocardial injury and dysfunction development during follow-up is unclear in patients with myocarditis. This study aims to explore the developmental pattern of myocardial injury and cardiac dysfunction during the follow-up of myocarditis by cardiac magnetic resonance (CMR) and differences in short-term follow-up CMR performance between patients with coronavirus disease 2019 (COVID-19)-associated myocarditis (CAM) and non-COVID-19-associated myocarditis (NCAM).MethodsData of patients with clinically diagnosed myocarditis who underwent follow-up CMR were retrospectively collected. Patients were divided into the NCAM follow-up and CAM follow-up groups. A portion of patients with normal CMR and volunteers was categorized as control. Qualitative and quantitative assessments of CMR images were used to analyze cardiac structure, function and myocardial damage; compare the differences between the groups; and reveal the developmental pattern in the consecutive follow-up for patients with myocarditis.ResultsThis study included 75 patients with NCAM, 25 patients with CAM and 75 cases as control group. Compared with the control group, there was an increase in left ventricular volume, right ventricular volume, extracellular volume in the NCAM follow-up (the last time) group, left ventricular volume, right ventricular ejection fraction, global radial strain (GRS), global circumferential strain, global longitudinal strain (GLS), post-contrast T1 value were decreased. The area under the curve of the GLS was the best (0.836) in discriminating between the two groups, with 78.7% sensitivity and 84.0% specificity. The discriminatory efficacy of the combined right ventricular ejection fraction, GRS, and GLS multiparameter showed the best area under the curve at 0.847, with 80.0% sensitivity and 85.3% specificity. Between the CMR parameter of short- (3 months), medium-, and long-term follow-up (>6 months) for patients with NCAM, a decrease in native T1 (1,256.50±18.63 vs. 1,248.30±17.87 ms, P=0.007) and T2 (49.00±1.34 vs. 47.50±0.97 ms, P=0.015) values was noted in the short-term follow-up group. The short-term follow-up group showed increased ventricular volume, decreased ejection fraction, and impaired myocardial strain in CAM and NCAM compared with the control group. The CAM short-term follow-up group showed an increased T2 value (52.56±3.64 vs. 49.08±3.84 ms, P=0.008) compared with the NCAM short-term follow-up group, and the T2 value was identified with an area under the curve of 0.772, 76% sensitivity, and 83% specificity for the discrimination.ConclusionsThis study revealed that myocarditis led to myocardial damage, cardiac remodeling, and dysfunction during follow-up. An improvement in myocardial edema in the medium- and long-term follow-up groups was observed. In the short-term follow-up, CAM showed more severe myocardial edema. These findings may contribute to the clinical assessment and management of post-myocarditis status.

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Fulminant myocarditis with COVID-19 infection having normal C-reactive protein and serial magnetic resonance follow-up.

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Fulminant myocarditis with COVID-19 infection having normal C-reactive protein and serial magnetic resonance follow-up.

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